Required Qualifications & Experience

Education & Certifications

· Diploma or bachelor’s degree in Information Technology, Computer Engineering, or a related field.

· Relevant certifications, such as:

o Cisco CCNA / CCNP

o Fortinet NSE 4 or equivalent

o AWS Solutions Architect – Associate

Technical Experience

· 4–5 years of hands-on experience in network implementation, operations, and support within

enterprise environments.

· Strong experience with enterprise networking technologies, including:

o Switching, routing, firewalls, and VPNs (Cisco, Fortinet, Palo Alto, AWS, Azure)

o IP networking fundamentals, routing protocols (BGP, OSPF), QoS, and Ethernet

· Experience using network monitoring and management tools (e.g. PRTG, SolarWinds).

· Good understanding of structured cabling, Wi-Fi technologies, NAC, and network security controls.

· Proven troubleshooting capability in complex, multi-site or hybrid cloud network environments.

Soft Skills & Attributes

· Strong analytical and problem-solving skills.

· Customer-oriented mindset with the ability to manage multiple tasks in a fast-paced environment.

· Clear communication and e0ective technical documentation skills.

· High attention to detail with strong organizational abilities.

· Ability to work independently and collaboratively within cross-functional and project teams.

Working Conditions

· May require after-o0ice-hours work during scheduled maintenance or critical network activities.

· Exposure to enterprise-scale, multi-site, and cloud-integrated network environments.

Key Responsibilities

1. Network Implementation & Operations

· Implement, configure, operate, and maintain network infrastructure (physical and virtual), including

LAN, WAN, Wi-Fi, cloud networking, and structured cabling.

· Participate in the network design phase by reviewing designs, validating assumptions, highlighting

operational risks, and ensuring designs are implementable and supportable.

· Configure, troubleshoot, and support network equipment such as switches, routers, firewalls, and

wireless access points.

· Perform technical site surveys, Wi-Fi passive site surveys, and site preparation activities as input to

design and implementation.

· Monitor network performance, capacity, and availability; proactively identify and resolve incidents

to ensure stable operations.

· Support scheduled maintenance, including after-hours maintenance windows when required.

· Attend remote sites for fault isolation, troubleshooting, and service provisioning activities

· Liaise with vendors & internal stakeholder on Network Cabling works (eg Laying of New LAN

cables during O0ice Renovation.)

2. Network Monitoring, Optimization & Resilience

· Operate and maintain network monitoring platforms such as PRTG and SolarWinds.

· Analyze performance metrics, bandwidth utilization, and fault data to support continuous

optimization and service improvement.

· Implement and support disaster recovery and backup solutions for network infrastructure in line

with approved architecture.

· Manage cabling assets and maintain accurate and up-to-date physical and logical network

diagrams.

3. Cloud Networking & Connectivity

· Implement and support cloud networking components and connectivity in AWS or other Cloud

Connectivity environments based on approved designs.

· Ensure secure and reliable connectivity between on-premises environments, cloud platforms, and

external service providers.

· Provide implementation and operational feedback to improve cloud network designs for

performance, scalability, and cost e0iciency.

4. Security, Risk & Compliance

· Implement and operate network security controls including firewall policies, VPNs, NAC, and Wi-Fi

security configurations.

· Ensure network implementations comply with internal standards, security policies, and industry

best practices.

· Support audits by providing evidence, addressing findings, and implementing corrective actions.

· Perform vulnerability assessment, remediation, and security hardening activities across

enterprise network and security infrastructure environments

5. Documentation & Change Management

· Develop, maintain, and update network documentation, including:

o As-built network documentation and diagrams

o Implementation and configuration guides

o Operational runbooks and support procedures

o Preventive maintenance documentation

· Ensure all network changes follow established change management and approval processes.

· Documenting network configurations and maintaining up-to-date records

· Maintaining IT Asset Inventory

6. Project & Stakeholder Collaboration

· Work closely with Project Managers and solution teams to deliver network components of projects

according to agreed scope, timelines, and quality standards.

· Participate in project design discussions to provide implementation, operational, and

maintainability input.

· Collaborate with cross-functional teams to resolve complex network issues and support service

delivery.

· Provide technical support and guidance to internal users and stakeholders on network-related

matters.

· Flexible to travel within Singapore and work in construction-site environments during the

implementation and initial setup of network infrastructure

7. Vendor & Service Provider Management

· Coordinate with vendors and service providers during implementation, troubleshooting, and

service delivery activities.

· Support vendor performance monitoring and resolution of network service issues.

· Assist in technical evaluation and validation of vendor solutions against approved designs and

standards.

8. Datacenter management

· Manage Data Centre physical security, access control, and operational activities.

· Provide 24x7 standby support and travel as required to support Data Centre operations,

maintenance, and project activities.

· Provide 1st Level investigation into hardware or connectivity issues.

· Manage and organize physical cabling within the data center, including fiber optics, network cables,

and power cables

☑ Good Bonuses

☑ Near MRT

☑ Family Friendly Environment

Job Description:

• Design, implement, and support enterprise network infrastructure.
• Deliver network solutions and infrastructure projects.
• Monitor, troubleshoot, and optimize network performance and security.
• Manage technology lifecycle, documentation, and operational support.

Requirements:

• At least a Diploma with at least 4 years of network engineering experience.
• Strong knowledge of routing, switching, security, and network protocols.
• Hands-on experience with Cisco, Check Point, Palo Alto, and Fortinet technologies.
• CCNP and firewall certifications preferred, with strong troubleshooting skills.

Loh Puay Hwee David

EA License | 24C2215

EA Registration Number | R1766892

The Security / Network Engineer is responsible for supporting migration teams by implementing secure network connectivity, firewall configurations, and security controls required for migration between on-premise and Azure environments. This role ensures compliance with enterprise security standards while enabling seamless and secure workload migration.

In addition, the role operates within a managed services environment, ensuring infrastructure and network services remain secure, available, and performant through proactive monitoring, troubleshooting, and incident resolution.

Key Responsibilities:

Network & Security Implementation

· Implement firewall rule changes to support migration activities and ongoing operations.

· Configure and manage network security devices (e.g., Fortigate, Palo Alto).

· Support hybrid connectivity setup including VPN and ExpressRoute configurations.

· Implement network segmentation and micro-segmentation strategies.

· Enforce enterprise security policies and compliance requirements across environments.

· Support secure connectivity between on-premise and Azure environments.

Azure Networking & Cloud Security

· Configure and manage Azure networking components (VNets, NSGs, route tables, load balancers).

· Implement and maintain secure access controls and network security principles in cloud environments.

· Support design and implementation of secure hybrid architectures.

· Assist in implementing security controls for cloud-based workloads.

Technical Support & Incident Management

· Resolve incidents and service requests within agreed SLA timelines under general supervision.

· Monitor network and security systems proactively to detect and mitigate issues.

· Investigate, analyse, and troubleshoot network and security-related incidents.

· Maintain accurate and timely updates in ticketing systems with resolution details.

· Escalate complex issues to senior engineers or Technical Leads where required.

Service Delivery & Process Compliance

· Ensure adherence to ITIL processes including Incident, Problem, and Change Management.

· Support, track, and document change implementation activities.

· Participate in security audits, compliance checks, and risk assessments.

· Contribute to continuous improvement of security and network operations.

Collaboration & Knowledge Sharing

· Work closely with migration teams, cloud engineers, and security architects.

· Communicate effectively with stakeholders to support secure migration delivery.

· Share knowledge and document solutions for recurring issues.

· Support junior engineers and contribute to team capability development.

Required Skills & Qualifications

· 3–5 years of experience in networking and security engineering.

· Hands-on experience with:

- Firewall administration (Fortigate, Palo Alto preferred)

- Azure networking (VNets, NSGs, routing)

- VPN and ExpressRoute connectivity

- Network security principles and segmentation

· Security policy implementation and compliance

· Strong understanding of hybrid cloud networking architectures.

· Experience supporting enterprise infrastructure and migration projects.

Key Competencies

· Strong troubleshooting and analytical skills in network and security domains.

· Ability to work in high-pressure, mission-critical environments.

· Good communication and stakeholder engagement skills.

· Attention to detail and strong documentation practices.

· Customer-focused mindset with commitment to service excellence.

Qualifications & Certifications

· Bachelor’s degree in IT, Computer Science, or related field (or equivalent experience).

· Preferred certifications:

- CCNA / CCNP (Networking)

- Palo Alto, Fortinet, or other firewall certifications

- Microsoft Certified: Azure Network Engineer Associate

- Security certifications (e.g., CISSP, Security+) are advantageous

· Experience with Zero Trust architectures.

· Exposure to cloud security tools (Defender for Cloud, Sentinel).

Key Responsibilities

 Deliver support and deployment activities for the customer’s Cloud environment.

 Troubleshooting issues on cloud-scale or backbone networks.

 Deliver support for software defined networking services such as SDN, Azure Front Door (AFD), distributed denial of service (DDoS), domain name service (DNS) Express Route, etc.

 Standby on-call duties for out-of-hours support

Technical Skill Sets:

Programming languages: Kusto, Java, Python, Perl.

Operating System: Linux OS

Virtual Networking: SDN, VNET, DNS, ExpressRoute, Traffic Manager, Load

balancer

Machine Readable Formats: JSON and XML

Certifications: CCNP/JNCIP (Plus)

Network Automation & Security: Working Experience

Job summary:

We are seeking a Customer Support Engineer to join some of the industry's brightest minds in developing and deploying today's most advanced Internet technologies.In this role, you will gain insight on the detailed functionality of Cisco products and partner with all distributed elements of the service chain. The ideal candidate demonstrates an aptitude and appetite for learning new technologies, evidenced by the ability to expand upon core knowledge. This is a great opportunity for someone with patience and an empathetic view of the customer to hone their skills and advance their career providing value to customers while working with an industry leader in networking technology.

Responsibilities:

• Leads design workshops.
• Documents or reviews network requirements and High Level Design.
• Documents or reviews Low Level Design.
• Generates standard project documentation including detailed test plan for complex networks.
• Generate, build and execute technical and complex test plans and topology in CPOC environments
• Generates network configurations from Low Level Design for complex networks.
• Reviews Implementation Plans.
• Plans and executes complex Network Upgrade and Network Migration activity.
• Executes all phases of project delivery including network staging, implementation and handover.
• Carries out Knowledge transfer activities

Required:

• Bachelor’s degree in Computer Science or a related field from an accredited University.
• Understanding of Security and Data Center architectures, including virtualization, experience in planning, design & implementation of Data Center infrastructure and security technologies
• Hands on experience with Nexus Product Family & Cisco ACI, VXLAN, EVPN, SDWAN technologies, as well as with Catalyst series switches etc.
• Deep knowledge In Routing & in technologies such as STP, HSRP/VRRP, OSPF, IS-IS, BGP, MPLS, high availability, network/device security, QoS, IP SLA, network management.
• At least, 10 years Network engineering experience that includes deployment and migration
• CCNP equivalent certification or higher would be an advantage
• Strong Python/Java/JavaScript programming skills in Linux would be an advantage

The Managed Services Cross Technology Engineer (L3/L4) – Network / Security is an advanced, architect-level role across multiple technology domains (Cloud, Security, Networking, Applications, Collaboration). The primary objective is to design, implement, and maintain an enterprise network defensive architecture to protect data and infrastructure from sophisticated threats. This role acts as the highest-tier escalation point (4th-line support) to resolve complex operational incidents, ensure contracted client outcomes, and meet Service Level Agreements (SLAs).

Key Responsibilities

1. Strategy & Architecture

• Security Roadmap: Define, architect, and champion the overall network security posture across on-premise, cloud, and hybrid environments (including Zero Trust and SASE models).

• Infrastructure Design: Deploy and manage core components like Next-Gen Firewalls (NGFW), IDS/IPS, WAF, Load Balancers, VPNs, and Network Access Control (NAC) systems.

• Cloud & Segmentation: Design secure cloud networking patterns (e.g., AWS VPCs, Azure VNets) and enforce micro-segmentation.

• Policy & Governance: Establish and enforce comprehensive network security policies, standards, and baselines.

2. Incident Management & Operations

• L4 Escalation Support: Act as the final technical tier for complex incidents that lower-level teams (L1–L3) cannot resolve, performing deep root-cause analysis.

• Ticket & SLA Ownership: Systematically troubleshoot, log, track, and update tickets with resolution details within agreed timelines.

• Proactive Monitoring: Diagnose and investigate potential system issues and errors before or when they occur to minimize client impact.

• Emergency & Change Management: Serve as an emergency contact for critical, business-impacting outages and oversee strict change management protocols.

3. Optimization, Projects & Mentorship

• Automation: Collaborate with automation teams to script and automate routine operational tasks for effort optimization.

• Knowledge Sharing & Mentorship: Create high-quality technical documentation (HLD/LLD) and coach/push knowledge down to junior engineering teams.

• Disaster Recovery: Develop, implement, and test network security components within Disaster Recovery (DR) and Business Continuity plans.

• Project Delivery: Manage, implement, and execute technical projects according to client timelines.

• Quality Audits: Perform process and service experience quality audits.

Key Competencies & Attributes

• Strong client-centric focus with a passion for exceeding expectations under pressurized environments.

• Excellent change management, active listening, and cross-cultural communication skills.

• Ability to plan effectively amid changing circumstances and work extended hours when necessary.

Technical Skills & Certifications

• Education: Bachelor’s degree in IT/Computing or equivalent work experience.

• Preferred Certifications: CCIE, CCNP Security, CISSP, PCNSE, or vendor-specific firewalls (Fortinet, Check Point, Cisco).

• Core Technology Stack Required:

  • Firewalls/Security: Cisco ISE, Fortinet (FortiGate, FortiManager), Check Point, CyberArk.

  • Application Delivery/Vulnerability: F5 (LTM, WAF), RSA, Tenable, Trend Micro.

  • Monitoring & Tooling: Solarwinds, Splunk Enterprise, OPSWAT.

  • Network Diagnostics & Automation: Advanced packet analysis (Wireshark/tcpdump) and basic automation scripting (Python/Ansible).

Job Description

Job Summary

Support the implementation, maintenance, and monitoring of network infrastructure to ensure stable and secure operations. Assist senior engineers in troubleshooting, optimization, and security tasks.

Responsibilities

• Assist in configuring and maintaining network devices such as routers, switches, firewalls, and wireless access points
• Monitor network performance and report issues or anomalies
• Support troubleshooting of network connectivity and performance problems
• Help maintain and update network documentation, diagrams, and configurations
• Assist in implementing basic network security measures (e.g., firewall rules, access controls)
• Perform routine checks, upgrades, and maintenance tasks on network systems
• Support incident response efforts by collecting logs and helping with initial analysis
• Work with senior engineers to implement network improvements and upgrades
• Assist in configuring load balancers and managing traffic flow under guidance
• Follow established procedures and best practices for network operations
• Collaborate with IT teams to resolve user and system network-related issues

Preferred Competencies and Qualifications

• Diploma or Bachelor’s degree in Computer Science, IT, or related field (or currently pursuing)
• 0–2 years of networking experience (internship or project experience is acceptable)
• Basic understanding of networking concepts (TCP/IP, DNS, DHCP, routing, switching)
• Familiarity with Cisco or similar networking technologies is a plus
• Basic knowledge of network security concepts (firewalls, VPNs)
• Willingness to learn SDN, SD-WAN, and cloud networking
• Good problem-solving and communication skills
• Ability to work in a team environment
• Entry-level certifications such as CCNA are a plus

Job Purpose

Intercontinental Exchange, Inc. (ICE) offers a unique opportunity to work on cutting-edge technology and complex business challenges in the financial sector. The Senior Network Engineer role within the ICE Network Engineering team provides technical leadership across network design, validation, deployment, maintenance, and operational support.

The successful candidate will help advance one of the world’s largest global financial networks, supporting a broad portfolio of mission-critical services. This role requires the ability to thrive in a dynamic, team-based global environment, demonstrating strong problem-solving, sound decision-making, and a high degree of professionalism.

Responsibilities

• Design, configure, and implement complex Juniper- and Arista-based data centre and WAN solutions that support real-time market data and multicast services, with an emphasis on ultra-low latency, resilience, and reliability.
• Collaborate with cross-functional teams to gather business and technical requirements and translate them into scalable, effective network designs.
• Support and maintain a range of multi-vendor production network environments that are critical to business operations.
• Develop and maintain high-quality network documentation, including diagrams, configurations, standards, and operating procedures.
• Provide expert-level troubleshooting and escalation support for network incidents and outages, restoring service quickly and minimizing operational impact.
• Stay current with industry trends, emerging technologies, and best practices related to WAN, data centre, and low-latency network engineering.
• Understand and follow ICE operational policies and procedures and actively promote adherence to them across day-to-day engineering activities.
• Provide the technical expertise required to ensure network changes are planned, validated, and executed safely, effectively, and efficiently.
• Work closely with vendors, service providers, and internal technology teams to deliver seamless, high-performance network solutions.

Knowledge and Experience

• Bachelor’s degree in computer science, Information Technology, or a related field.
• Must hold a current Juniper and/or Cisco professional-level certification.
• 7+ years of networking experience, including at least 5 years designing, configuring, and implementing complex Juniper-based global MPLS WAN networks.
• In-depth knowledge of WAN protocols and technologies, including BGP, IS-IS, OSPF, MPLS, VPLS, VPNs, and QoS.
• Extensive knowledge of two or more network operating systems or platforms, including Junos, IOS/NX-OS, EOS, or F5 LTM/GTM.
• Extensive knowledge of Check Point FW-1, Palo Alto, or similar stateful packet inspection firewalls.
• Deep understanding of TCP/IP, NAT, route maps, access control lists, and routing policies.
• Extensive hands-on experience with Juniper networking products, including Junos OS, MX Series routers, EX/QFX Series switches, and SRX Series firewalls.
• Extensive knowledge of multicast network design and troubleshooting, including IGMP and PIM protocols.
• Demonstrated ability to distinguish between critical business-impacting incidents and minor issues, and to resolve or escalate them appropriately.
• Understanding of low-latency network design principles, clock synchronization, and Precision Time Protocol (PTP) implementations.
• Strong knowledge of Python and experience using it for network automation and operational efficiency.
• Strong knowledge of modern configuration management and automation tools, including Ansible, Jinja, and JSON.
• Experience with network monitoring and management tools, together with strong packet capture and analysis skills.
• Thorough understanding of Linux shell commands and experience with network automation tools and frameworks.
• Ability to adapt to a fast-paced, evolving global environment while staying current with advancements in networking technology.

Personal Attributes

• Strong verbal and written communication skills, with a customer-focused approach.
• Self-motivated, with the ability to work independently and take ownership of outcomes.
• Able to manage multiple priorities and work effectively across concurrent projects.
• Professional, collaborative, and service-oriented in approach.

Schedule

• This role is office-based, with attendance required five days per week.
• Some weekend and after-hours work will be required to support operational and change activities

[Order Number: 1093349]

Responsibilities:

• Manage post-sales activities for cybersecurity or network performance monitoring products.
• Implement large-scale projects locally and regionally.
• Provide on-site implementation services, including testing, deployment, and documentation.
• Offer technical support to ensure customer satisfaction.
• Analyze and clarify customer queries through troubleshooting and researching existing knowledgebase articles/known issues.
• Be on routine standby to support 24×7 maintenance support calls.
• Communicate issues clearly and concisely.
• Demonstrate excellent written and verbal communication skills.
• Perform any other ad-hoc tasks as assigned.

Requirements:

• 1 year of relevant experience in the IT industry providing network support and administration.
• Knowledge and experience in networking, such as routing and switching technology.
• Possess CCNA or CCSA certification.
• Willingness to work hard and eagerness to learn about new technologies.

To Apply, please kindly email your updated resume to

cv_gary@goodjobcreations.com.sg

Please kindly refer to the Privacy Policy of Good Job Creations for your reference:

https://goodjobcreations.com.sg/en/privacy-policy/

We regret that only shortlisted candidates will be notified. However, rest assured that all applications will be updated to our resume bank for future opportunities.

EA Personnel Name: Gary Ho Cheng Xuan

EA Personnel Reg. No.: R1549767

EA License No.: 07C5771

Responsibilities

• Oversee the organization’s IT infrastructure, ensuring optimal performance, security, and reliability of servers, network and security systems, as well as cloud services.
• Design, implement, and maintain the IT infrastructure of the organization.
• Maintain Windows servers, virtualization platforms, and storage solutions.
• Manage Active Directory, DNS, DHCP, and Group Policy.
• Ensure high availability and disaster recovery with backups and replication.
• Monitor system performance, troubleshoot issues, and apply patches and updates.
• Implement network design, configure, and maintain LAN, WLAN, and VPN infrastructure, managing firewalls, switches, and routers.
• Implement and monitor network security policies, intrusion detection, and access control.
• Optimize network performance, troubleshoot connectivity issues, and ensure redundancy.
• Implement cybersecurity best practices, monitor threats, and manage endpoint protection and vulnerability assessments.
• Ensure compliance with regulations.
• Conduct security audits and enforce policies on user access, encryption, and authentication.
• Create and maintain network documentation, including network diagrams, configurations, and procedures.
• Carry out any other tasks assigned by the management

Requirement

• Min Degree in Information Technology or relevant
• Min 5 years of experience in providing Network, System and Cybersecurity operational support.
• Experience with servers, network and security devices, firewall, switches, routers, load balancers and wireless solutions.
• Certifications in CCNA/ CCNP/ CCIE/ Microsoft certified Azure Solutions Architect and/or Windows Server Administrator, CISSP, CISM and CompTIA Security will be required

To submit your application, please apply online to apply@rn-care.com or call +(65) 6513 5697 for private and confidential discussion.

Your interest will be treated with the strictest of confidence. We regret that only shortlisted candidates will be notified or contacted.

RN Care Pte. Ltd
EA License No: 17C8900

YOUR NEW JOB

As a Network Service Engineer, you'll support a large-scale government network environment, ensuring the availability, performance, security, and compliance of critical infrastructure. You'll be involved in network operations, incident resolution, security management, patching, and infrastructure lifecycle activities.
This is a 12-month contract role (renewable), supporting a new long-term government project . Work will be onsite, Mon – Fri office hours.

WHAT YOU’LL BE DOING

• Monitor and maintain network infrastructure to ensure high availability and performance
• Troubleshoot and resolve network incidents, outages, and performance issues
• Perform root cause analysis and support SLA-driven incident management
• Manage routers, switches, firewalls, and load balancers across the environment
• Support firewall policy reviews, security monitoring, and compliance activities
• Execute patching, vulnerability remediation, and lifecycle upgrades
• Support change management, release activities, and rollback planning
• Maintain network documentation, SOPs, CMDB records, and operational reports
• Perform capacity monitoring, trend analysis, and infrastructure health checks
• Participate in standby support and after-hours maintenance when required

WHAT IS NEEDED FROM YOU

• 2–6 years of experience in network engineering, network operations, or infrastructure support
• Hands-on experience with Cisco networking technologies
• Experience supporting enterprise routers, switches, and firewalls
• Familiarity with ITIL processes, incident management, and change management
• Experience with network monitoring, troubleshooting, and operational support
• Eligibility for government security clearance
• Open to occasional overtime

WHAT WILL MAKE YOU STAND OUT

• Experience with Palo Alto, Check Point, or F5 technologies
• Exposure to government, public sector, or highly regulated environments
• Network certifications such as CCNA, CCNP, PCNSE, or equivalent
• Experience supporting large-scale managed services environments
• Familiarity with vulnerability management and security compliance frameworks

about the job. An exceptional opportunity now exists for a technical professional to spearhead the architecture and evolution of advanced enterprise network solutions.

• Oversee the core architectural design, creation, and deployment of SD-WAN network infrastructure.
• Conduct comprehensive marketplace scans and technical evaluations of emerging technologies through proof-of-concept testing.
• Manage the complete solution lifecycle, including software upgrades, platform enhancements, and technical feature developments.
• Coordinate cross-functional project scopes and technical planning alongside product, pre-sales, and support teams.
• Provide high-level engineering escalation guidance to effectively resolve complex platform and software implementation issues.

skills and experience required.

• Degree in Computer Science, or equivalent
• Professional network certification is preferred
• Strong fundamental knowledge of core networking protocols, system virtualization, and modern cloud architecture.

To apply online please use the apply function, alternatively you may contact Chloe Chen at chloe.chen(@)randstad.com.sg. (EA: 94C3609 /R1768253)

ST Engineering is a global technology, defence and engineering group with offices across Asia, Europe, the Middle East and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Join our Cyber Team

We are an industry leader in cybersecurity with over two decades of experience, we deliver a holistic suite of trusted cybersecurity solutions to empower cyber resilience for government and ministries, critical infrastructure, and commercial enterprises. Backed by our indigenous capabilities and deep domain expertise, we offer robust cyber-secure products and services in cryptography, cybersecurity engineering, digital authentication, SCADA protection, audit and compliance. We specialise in the design and build of security operations centres for cybersecurity professionals and provide managed security services to strengthen the cybersecurity posture of our government and enterprise customers.

Responsibilities

•Design and implement CDS components enforcing strict data flow control and security policies across classified/unclassified domains.

• Develop secure communication features across OSI Layers 2–7, including packet filtering, protocol validation, and deep content inspection.

•Architect and maintain secure messaging systems with emphasis on integrity, confidentiality, and controlled data release.

•Deploy and harden CDS services using Docker and Kubernetes/Docker Swarm, with RBAC and secure container lifecycle management.

•Achieve low-latency, high-throughput data transfer while maintaining compliance with security frameworks (e.g., Common Criteria, NIST).

•Implement secure coding practices, encryption (TLS/mTLS), and audit mechanisms aligned with cybersecurity standards.

•Lead technical discussions and drive architectural decisions in collaboration with security architects, compliance teams, and government stakeholders to meet accreditation requirements.

Requirements

•8+ years in software engineering, with 2–3+ years in secure networked systems or CDS environments.

•A self-driven engineer who is comfortable taking ownership and providing technical guidance to the team.

•Proficiency in C/C++, Go, or Rust for performance-critical components.

•Proficiency in one or more of: Java (Spring/Spring Boot), C#/.NET, Node.js (TypeScript), or Python for application-layer work.

•Experience in Linux systems programming and network/socket programming.

•Security-first mindset with attention to detail and ability to operate in regulated, compliance-driven environments.

Good to Have

•Hands-on experience with Kubernetes and Docker in high-availability, security-hardened deployments.

•Familiarity with message-oriented middleware (e.g., RabbitMQ, Kafka, Redis) including encryption, authentication, and sanitization for cross-domain compliance.

•Working knowledge of OSI Layers 2–7, TLS/mTLS, IPsec, DPI, VLANs, firewall rules, and zero-trust network principles.

Find out more: https://www.stengg.com/cybersecurity

ST Engineering believes in fostering a culture where team members are encouraged to overcome challenges, explore new ideas, and work together to succeed. We value individuals who are determined to push beyond the boundaries, and have a thirst for knowledge, continuous learning, and self-improvement

Job Description

Decarb Engineering & Construction Pte Ltd is a Singapore-based M&E EPC contractor specialising in Fire Protection, ACMV, and ELV systems, holding bizSAFE Star and ISO 9001/14001/45001 certifications. We are seeking a Network Engineer to design, configure, and commission the IP networks underpinning our security and fire alarm system installations across commercial, industrial, and institutional projects.

Roles & Responsibilities

• Design, configure, and commission IP networks for ELV systems — IP CCTV/surveillance, access control, and networked fire alarm systems.
• Set up and manage network switches, VLANs, IP addressing schemes, and PoE infrastructure for security and life-safety devices.
• Configure and integrate addressable fire alarm panels (e.g. EST3/EST4, Notifier, Simplex) into networked architectures.
• Implement system integration via Modbus TCP, BACnet/IP, ONVIF, and related protocols, including BMS integration.
• Conduct on-site testing, commissioning, and fault diagnosis of networked security and fire alarm systems.
• Prepare network architecture drawings, IP schedules, method statements, and as-built documentation.
• Liaise with consultants, main contractors, system vendors, and authorities (SCDF) to ensure compliance and smooth handover.
• Provide post-handover troubleshooting, support, and maintenance for networked ELV systems.
• Ensure all works comply with relevant Singapore codes (SS 645 / CP 10, SS CP 52) and WSH requirements.

Requirements

• Diploma or Degree in Electrical/Electronic Engineering, Computer/Network Engineering, Infocomm, or related discipline.
• 2–5 years' experience in ELV, security, or fire alarm systems, preferably within the M&E or building/construction industry.
• Solid IP networking fundamentals — TCP/IP, subnetting, VLANs, managed switches, PoE.
• Hands-on experience with IP CCTV, access control, and/or networked fire alarm systems.
• Familiarity with integration protocols (Modbus TCP, BACnet/IP, ONVIF) and BMS integration — an advantage.
• Knowledge of Singapore fire alarm and ELV codes (SS 645 / CP 10, SCDF requirements) preferred.
• CCNA/CCNP or equivalent networking certification advantageous.
• Strong fault-diagnosis and troubleshooting skills; able to work across multiple site locations.
• Valid Class 3 driving licence a plus.
• Good communication skills and ability to work within multi-disciplinary project teams.

You will be a key technical reference for the design,implementation, and day‑to‑day operations of our global network and securityinfrastructures, supporting a highly distributed, international environment.

Role Synopsis and profile

As a Network & Security Expert within the Corporate IT Infrastructures team, you will:

Design & operate network infrastructure

• Design, implement, and operate LAN/WAN architectures
• Manage and optimize cloud connectivity (interconnection with public clouds)
• Act as Routing (BGP) expert, ensuring performance, resilience, and scalability
• Contribute to the design, rollout, and tuning of SD‑WAN solutions
• Lead regional network projects and collaborate with international IT teams

Design & operate security infrastructure

• Operate and improve firewalling solutions in line with IT security policies
• Manage and secure IPSec / SSL VPN for remote sites and users
• Contribute to SASE architecture design, deployment, and operations

Operations & Performance

• Operate network, security, and related system components on a daily basis
• Monitor infrastructure health and performance (capacity, latency, availability)
• Proactively identify bottlenecks and implement optimizations and improvements
• Ensure a high level of availability and service continuity for critical services

Incident & Problem Management

• Acknowledge, qualify, and categorize incidents and service requests
  
• Troubleshoot complex network and security issues (L2–L4+)
  
• Coordinate escalation to internal and external experts/vendors when necessary
  
• Contribute to root‑cause analysis and long‑term corrective actions

Support & Collaboration

• Provide Level 3 expertise and support to local IT teams worldwide
  
• Advise users and managers on new products, solutions, and best practices
  
• Train IT staff and key users on network and security solutions
  
• Work closely with cross‑functional project teams (infrastructure, applications, security, etc.)

Documentation & Governance

• Produce and maintain up‑to‑date technical documentation (diagrams, procedures, standards)
  
• Contribute to the definition and application of IT policies and standards
  
• Provide regular reporting to Infrastructure Managers (status, risks, improvements)

Requirements:

• 15 years of experience in network and security engineering/operations in large complex environments (multisite, international, hybrid cloud).
• Degree in computer Science or equivalent, industry certifications desirable
• Strong expertise in routing protocols, especially BGP
• Solid experience with SD WAN solutions with various manufacturer standards, Paloalto, Cisco, Velo Cloud etc.
• Good knowledge of cloud connectivity (interconnection with major cloud providers)
• Strong understanding of LAN/WAN architectures, VLANs, QoS, redundancy, and high availability
• Hands on experience with firewalls (design, policies, troubleshooting)
• Proficiency in VPN technologies: IPSec and SSL
• Knowledge and practice of SASE concepts and solutions
• Good understanding of security best practices in network design and operations

The Network Operations Engineer III is a senior-level role that focuses on the operation, maintenance, and troubleshooting of both optical and IP networks. This position demands a high degree of independence, accuracy, and attention to detail. The engineer will address a wide range of complex network issues, working on diverse problems with minimal supervision.

This role requires a deep understanding of optical and IP networking, hardware technologies, and network management tools.

Scope: 

• Resolve a wide range of network issues creatively and effectively.

• Monitor the performance and health of optical and IP networks using advanced network management tools.

• Tackle diverse and complex problems, applying sound judgment and innovative solutions.

• Operate with minimal guidance on daily tasks, requiring only general instructions for new assignments.

• Troubleshoot and resolve network issues to ensure minimal downtime and service disruptions.

Roles and Responsibilities:

Network Management:

• Manage and optimize hardware technologies to maintain network performance and capacity.

• Engage in day-to-day troubleshooting, working with multiple vendor equipment, and resolving various software and hardware issues.

Issue Resolution:

• Address network traffic issues and respond to queries raised by XFNs and partners.

• Collaborate with XFNs and vendors to resolve network-related problems promptly and effectively.

• Conduct root cause analysis for network outages, providing detailed reports and solutions.

Cross-functional Collaboration:

• Work closely with service providers, colocation facilities, and XFNs globally, ensuring seamless network operations.

• Support network infrastructure projects and collaborate with cross-functional teams on new network initiatives.

Additional Duties:

• Take on other duties as required, contributing to the overall success and reliability of the network infrastructure.

Required Qualifications/Skills:

• Bachelor’s degree with 5 to 8 years of related experience and/or training; or an equivalent combination of education and experience.

• Proven experience in optical networking (DWDM, CWDM) and IP networking (IPv4/IPv6, MPLS, BGP, OSPF).

• Strong judgment in selecting appropriate methods and techniques for obtaining network solutions.

• Comprehensive understanding of fiber-optic technology, including cable types,connector types, optic types, patch panels, and optical transport technologies.

• Experience in preparing root cause analysis reports for network and server outages.

• Strong communication skills, capable of effectively working with global service providers, colocation facilities, and ISPs.

Preferred Qualifications: 

• Experience working in a multi-vendor network environment.

• Relevant network certifications such as CCNA, CCNP, JNCIA, JNCIP, OCA, orequivalent.

Job Description

1. Perform day-to-day operations and maintenance of the bank’s enterprise network and voice infrastructure, including data center networks, office and branch networks, WAN / Internet connectivity, and Cisco Unified Communications Manager (CUCM)‐based unified communications systems.
2. Monitor network and voice system availability, performance, capacity, and call quality; promptly respond to incidents, service degradation, and potential risks.
3. Participate in the design, review, implementation, and ongoing maintenance of the bank’s internal network architecture, in close collaboration with head office or supervising management entities, ensuring alignment with group standards, security requirements, and regulatory guidelines.
4. Participate in network and voice-related changes, upgrades, cutovers, patches, and maintenance activities, strictly following the bank’s change management, approval, and rollback procedures.
5. Troubleshoot network and voice issues, conduct root cause analysis (RCA), and drive corrective and preventive actions to improve overall service stability.
6. Work closely with application, system, security, and operations teams to support system onboarding, expansion, and network/voice requirement assessments.
7. Coordinate with external service providers, including telecom carriers, network and voice vendors, and maintenance service providers, to resolve faults and ensure service quality.
8. Maintain accurate and up-to-date documentation, including network and voice diagrams, IP addressing plans, configuration backups, SOPs, and contingency procedures.
9. Support internal audits, regulatory inspections, and compliance reviews by providing operational records, change evidence, and technical documentation related to network and voice systems.
10. Participate in standardization, optimization, and automation initiatives for network and voice operations to enhance efficiency and reliability.
11. Participate in on-call rotation and provide 7×24 production support as required.

Job Requirements

1. Bachelor’s degree or above in Computer Science, Network Engineering, Telecommunications, or a related discipline.
2. Minimum 3 years of experience in enterprise network administration or network engineering, preferably within a banking, financial services, or large-scale enterprise environment.
3. Strong sense of ownership, risk awareness, and the ability to operate in a highly regulated production environment.
4. Solid understanding of enterprise network fundamentals, including TCP/IP, routing and switching, VLAN, STP and EIGRP.
5. Hands-on experience with network devices such as routers, switches, firewalls, VPNs, and load balancers.
6. Working knowledge of enterprise voice technologies, including Cisco Unified Communications Manager (CUCM), VoIP/SIP concepts, call routing, and QoS.
7. Proven ability to troubleshoot complex network and voice issues involving connectivity, performance, routing, security policies, and call quality.
8. Familiarity with network and voice monitoring/management tools and the ability to analyze logs and alerts.
9. Basic scripting or automation skills (e.g. Shell, Python) to improve operational efficiency will be an advantage.

Key Qualifications / Requirements: Requirements:

- Bachelor's degree in computer science, Information Technology, or a

related field.

- Proven experience as a Network Engineer, preferably in projectoriented

environments within the hospitality or integrated resort industry.

- Strong knowledge of network protocols, technologies, and architectures

(TCP/IP, VLANs, routing protocols, VPN, wireless, etc.).

- Experience with network infrastructure design and implementation,

including LAN/WAN, data centers, and cloud networks.

- Proficiency in configuring and managing network devices from leading

vendors (e.g., Cisco, Check Point, F5).

- Demonstrated experience configuring wireless controllers and

enterprise APs from scratch rather than only inheriting existing

environments.

- Strong hands-on troubleshooting background with production incidents

involving controllers, APs, and client devices.

- Direct Ekahau experience for both design and validation surveys.

- Familiarity with network security principles, including firewalls, IDS,

NAC.

Job Summary

This role is crucial for ensuring the reliable operation, maintenance, and deployment of all local IT systems, minimizing downtime, and providing excellent technical support to local staff. The ideal candidate is a hands-on problem-solver with strong technical acumen and excellent customer service skills.

Key Responsibilities

1. Technical Support and Incident Resolution:

• Provide L2 and L3 technical support for all field-related incidents and service requests, including troubleshooting hardware, software, network connectivity, and specialized site equipment (e.g., POS systems, local servers, IP cameras).

• Perform timely diagnosis, repair, and replacement of failed IT equipment, managing local spare parts inventory and logistics.

• Document all support activities, resolutions, and technical findings accurately in the IT Service Management (ITSM) system.

• Act as the technical point of contact during major site-specific incidents, ensuring effective communication and quick resolution.

2. Infrastructure Maintenance and Deployment:

• Perform regular preventative maintenance on local network closets, servers, and endpoint hardware, ensuring systems are patched, secured, and running optimally.

• Execute standardized equipment deployments for new site openings, technology refreshes, and site closure/decommissioning projects, adhering strictly to central IT standards.

• Manage local user accounts, access controls, and security policies as mandated by the central IT Security team.

• Collaborate with centralized Infrastructure and Networking teams on remote diagnostics, troubleshooting, and scheduled upgrades.

3. Asset Management and Documentation:

• Maintain accurate inventory records of all IT assets at assigned field locations, tracking asset lifecycle from deployment to disposal.

• Create and update technical documentation, knowledge base articles, and site-specific runbooks to empower local staff and improve First Call Resolution (FCR) rates.

• Ensure local compliance with corporate IT policies, licensing requirements, and physical security standards for IT equipment.

Qualifications

Technical Skills

• 3+ years of hands-on experience in IT Support, Field Service Engineering, or Systems Administration supporting a multi-site environment.

• Strong proficiency in troubleshooting PC/laptop hardware, operating systems (Windows 10/11), and common enterprise applications.

• Solid working knowledge of network fundamentals (TCP/IP, DNS, DHCP, basic routing, and switching) and remote access technologies (VPN).

• Experience with managing and troubleshooting specialized field equipment (e.g., Point-of-Sale/POS systems, local printers, industrial scanners).

• Experience with Active Directory and basic server maintenance/virtualization (VMware/Hyper-V).

• Relevant certifications such as CompTIA A+, Network+, or Microsoft Certified: Modern Desktop Administrator are highly desirable.

Professional Skills

• Excellent customer service, communication, and interpersonal skills, with the ability to clearly explain technical issues to non-technical users.

• Proven ability to work independently, prioritize tasks, and manage time effectively in a dynamic environment.

• Willingness to travel to assigned sites as required for installations, break-fix, and maintenance.

Role: IT Project Manager Network

JD:
1. Degree in Computer Engineering, Information Systems, Computer Science or equivalent.

2. Minimum 5 years of working experience involving LAN/WAN, Wireless, Firewall, IPS, MPLS, IPv6, routing protocols, VPN and related network technologies.

3. Experience in the planning and management of network cabling projects and installation of wireless Access Points.

4. Should hold relevant industry certifications such as CCNP and PMP

5. Provide the number of Cloud network Infra projects handled.

6. Desirable to have experience in Public Cloud platforms, especially AWS.

7. Good knowledge of network products / solutions available in the industry, preferably with hands-on experience.

8. Good command of English and communication skills (writing and speaking).

9. Strong interpersonal skills and team-work qualities.

Key Requirements:

• IT Network Project Manager (Senior Consultant level)

• Experience managing Network Infrastructure projects across On-Premises and Cloud environments

• Strong knowledge of LAN/WAN, Wireless, Firewall, IPS, MPLS, IPv6, Routing Protocols and VPN technologies

• Experience in network cabling projects and wireless access point deployments

• Public Cloud experience (AWS preferred)

• PMP certification preferred

• CCNP certification preferred

• Government sector experience preferred but not mandatory

• Candidate must be able to clear minimum Cat 2 Security Clearance

RESPONSIBILITIES

1)     Administrative Functions

·       Support the Service Manager in preparation of weekly and monthly service reports.

·       Process meter billing and ensure accurate updates in the CRM system.

·       Collaborate with the Customer Service Team to ensure smooth and efficient daily service operations when required.

·       Maintain proper documentation and service records for audit and tracking purposes.

2)     Technical Functions

·       Assist in the installation, setup, and configuration of copiers/ multifunction printers(MFPs) and smart office solutions.

·       Attend to on-site service calls and urgent breakdowns, ensuring timely resolution.

·       Support engineers in troubleshooting hardware issues (machines, networking, peripherals) and software-related problems (drivers, system integration, workflow solutions).

·       Assist in deploying and troubleshooting smart enterprise solutions such as document management systems, print management software, and workflow automation tools.

REQUIREMENTS

·       Diploma in Engineering, IT, Electronics, or related discipline.

·       Experience in copier/ MFP servicing, print solutions, or office automation systems.

·       Sound knowledge of network setup (IP configuration, drivers installation).

·       Proficient in MSOffice (Excel, Power point), MCSE, HTML

·       Good communication and interpersonal skills.

·       Able to work independently and as part of a team.

·       Willing to travel for on-site servicing across Singapore.

Pleasesubmit resumes to jason.chow@oaktree.com.sg with the following details in MSWord format:

·      Position applying for

·      Current remuneration

·      Expected remuneration

·      Notice period

Jason Chow Yew Fai

EA License No :       06C4642

EA Reg No :           R25158800

We regret that only shortlisted candidates will be notified.

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.​

Why Join ByteDance

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.​

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.​

Diversity & Inclusion​

ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.​

Job highlights

Positive team atmosphere, Career growth opportunity

Responsibilities

1.Design and develop high-quality, scalable, and maintainable backend systems and architectures;
2.Write clean, efficient, and well-documented code; review and debug code to maintain overall system quality;
3.Identify, prioritize, and execute tasks throughout the software development life cycle, ensuring timely and high-quality delivery;
4.Collaborate closely with cross-functional teams to analyze and break down complex business requirements into clear, actionable tasks;
5.Continuously research, evaluate, and adopt emerging technologies to enhance system performance and maintain technical excellence.

Qualifications

Minimum Qualification(s)1. Bachelor's degree in Computer Science, related technical discipline, or equivalent practical experience;
2. Software development experience in one or more general purpose programming languages, such as Java/Go/C++/C#/Python;
3.Proven experience in backend development and distributed systems architecture;
4. Solid understanding of relational databases and backend infrastructure;
5.Strong analytical thinking and exceptional attention to details;
6. Excellent communication skills, with the ability to clearly explain complex ideas and collaborate effectively with both technical and non-technical teams.

Preferred Qualification(s)1. Minimum 5 years relevant work experience from a large-scale internet business;2. Experience in payment systems or financial transaction processing is a plus.

The required managed services include, but are not limited to:

• Network Operations & Monitoring
  Continuous monitoring, proactive health checks, alerting, and backup verification.
• Incident & Problem Management
  End-to-end incident handling, root cause analysis (RCA), and timely resolution aligned with SLA commitments.
• Infrastructure Management & Lifecycle
  Management of network devices including routers, switches, firewalls, and load balancers, as well as upgrades and lifecycle activities.
• Security Management
  Firewall policy management, log monitoring, compliance checks (e.g., CIS benchmarks), and threat escalation.
• Patch & Vulnerability Management
  Vulnerability scanning, patch deployment, prioritization, and compliance reporting.
• Asset & Configuration Management
  CMDB updates, asset reconciliation, and configuration tracking.
• Change & Release Management
  Execution of changes in accordance with ITIL processes, including risk assessment and rollback planning.
• Capacity & Performance Management
  Monitoring, trend analysis, and capacity planning recommendations.
• Documentation & Reporting
  Maintenance of network documentation, SOPs, and delivery of operational and monthly performance reports.

Technology Environment

The environment includes (but is not limited to):

• Cisco (routers, switches, load balancing technologies)
• Palo Alto firewalls
• Check Point firewalls
• F5 Load Balancers

Deliverables

• Daily operational monitoring and reporting
• Monthly service reports covering SLA performance, incidents, patch compliance, security posture,asset reconciliation, and capacity planning

We are looking for a n IT infrastructure / support engineer with strong Windows-Linux systems knowledge, CCNP-level networking skills, and experience in server operations, virtualization, and enterprise IT support.

As this role will work closely with counterparts in China, fluency in Mandarin is required.

Responsibilities:

• Provide desktop IT support for company employees, including system installation, troubleshooting software and hardware issues, configuring office peripherals, and managing user accounts and access permissions.
• Operate and maintain Windows/Linux physical and virtual servers, including deployment, routine inspections, patch updates, data backup, and emergency incident handling.
• Troubleshootnetwork issues and perform basic configuration of routing and switching devices;requires NP-level networking knowledge.
• ManageIT assets and maintain operation logs and incident reports; implement standardizedIT operations procedures.
• SupportR&D teams in building development environments; familiar with mainstream virtualizationsetup, daily maintenance, and troubleshooting.
• Coordinate with internal teams and local vendors to ensure stable operation of IT systems.

Requirements:

• Bachelor's degree or above in Information Technology, Computer Science, or related fields.
• Solid hands-on experience in desktop support and server operations.
• Knowledgeof NP/CCNP-level networking, familiar with VLANs, routing & switching, and basicfirewall operations.
• Proficientin Windows and Linux systems; understanding of mainstream virtualization technologies.
• Experiencein cluster maintenance is an advantage.
• Goodcommunication skills, strong service mindset, and ability to independentlyhandle various IT issues

Network Engineer (CISCO)

Our Esteemed and Reputable Client is looking for a Network Engineer.

Requirements:

• Proficient in handling Network Infrastructure.
• Good in Network LAN, WAN administration and configuration.
• Proficient in LAN/WAN Systems, Routers, Switches, Firewalls, Servers and Enterprise Network Management.
• Experience in System and Network configuration and troubleshooting.
• Good in System,Windows, Server Configuration and Administration.
• Possess CISCO Certification (CCNA).
• Good in liaising with Stakeholders, Clients and Business Users.
• Min. 2 years of Network management (CISCO) experience.
• Min. Diploma/ Degree in any related discipline.
• Strong communication and persuasion skills
• Only Singaporeans.

We respect your privacy and all communication will be treated with confidentiality

If you have meet the job requirements that we are looking for or wish to find out more on this role, please contact us or apply in-confidence to us with you updated MS Word Resume to : jeline@starcareerconsulting.com

Yong Jeline (Reg. No. R1101621)

STAR CAREER CONSULTING PTE LTD (EA License: 20C0353)