Total 208 Others job vacancies

Job Responsibilities

• Responsible for daily food production operation in central kitchen, including ingredient processing, cooking assembly line, portioning and packaging according to standard recipes and SOP.
• Monitor and operate food production equipment, ensure normal running, perform simple adjustment and daily cleaning and maintenance.
• Conduct basic quality check of raw materials and finished products, ensure food safety and hygiene standards are strictly followed.
• Maintain production area cleanliness, comply with HACCP, hygiene and safety regulations.
• Assist production supervisor to record production data, inventory check and ensure production efficiency.
• Follow production schedule, ensure on-time completion of daily production target.

Job Requirements

• Possess relevant experience in food production / central kitchen / food manufacturing.
• Previous experience as Food Processing Worker / Production Operator is acceptable.
• Able to work in shift, early morning or overtime as required by production needs.
• Meticulous, responsible and able to work in a fast-paced production environment.

• German MNC
• Salary: Up to $3,000 Basic + OT allowances + Variable Bonuses
• 5-day week Monday to Friday, office hours 9 am to 6pm
• Working location: Loyang

Responsibilities:

• Manufacturing of chemical products in accordance with the weekly production schedule

• Ensuring availability of all raw materials and packing materials before commencement of weekly production

• Ensuring all raw materials are correctly identified and accounted for

• Maintain housekeeping in the production and area in accordance with the ISO, EHS for Safety and other Governance requirement.

Requirement:

• At least N/O level

• Nitec in Chemical process or equivalent will have advantage

• Required to Wear Personal Protective Equipment as per company policy

• Experience with Chemical production will have advantage

All Successful candidates can expect a very competitive remuneration package and a comprehensive range of benefits.

Kindly email your resume in a detailed Word format to

roy.yeo@peopleprofilers.com

People Profilers Pte Ltd

20 Cecil Street, #08-09 PLUS Building Singapore 049705

EA License Number: 02C4944

Registration Number: R1217882

Posting Personnel: Yeo Yi Rong

Tel:  65 6950 9757

Job Summary

We are seeking a skilled Welder to perform high-quality welding works on metal components, ensuring structural integrity and compliance with specifications. The role involves working with various materials and welding techniques in a workshop environment.

Key Responsibilities

• Perform welding using MIG, TIG, and/or ARC welding method
• Assist in cutting, drilling, bending, and assembling metal component
• Operate fabrication machinery (e.g., cutting machines, press brake, grinders)
• Read and interpret technical drawings and fabrication plans
• Prepare materials by cutting, grinding, and cleaning surfaces before welding
• Ensure welds meet quality and safety standards
• Inspect finished welds for defects and carry out necessary corrections
• Maintain welding equipment and tools in good working condition
• Follow workplace safety procedures and use proper PPE at all times
• Support fabrication and assembly work when required

Requirements

• Proven experience as a welder in metal fabrication or construction industry
• Ability to read engineering drawings
• Familiar with different metals (mild steel, stainless steel, aluminium)
• Knowledge of welding safety standards and practices
• Physically fit and able to work in a workshop environment

A Food Production technician is responsible for preparing and processing foods, ensuring that production meets quality standards and is delivered in a timely manner. Duties include operating small kitchen equitments like Mixer Grinder, Deep Frier, Buy Electric Cookers, packing and monitoring product quality.

A food production technician is need to prepare and package foods according to the company's standards. Food production workers may also be responsible for maintaining a safe and hygienic working environment, following food safety regulations and ensuring products meet food safety requirements.

Duties and Responsibilities

• Assist with the preparation of food items

• Ensure the kitchen and production area are kept clean and tidy

• Check ingredients and food products for quality

• Package food items ready for sale

• Follow food safety regulations and health codes

• Preparing ingredients for the shift; washing vegetables, chopping, seasoning meat, etc.

• Preparing deep fryer, utensils, and grill for shift

• Roti prate flour mixing

• Ready to cook Goring items (nasi,ikanpils,mee,kwithya,noodles)

• preparation of south indian & north indian curies

• Cooking order according to food health and safety standards

• Delivering food order to wait staff in a timely manner

• Storing all food properly

• Sanitizing and cleaning work stations and utensils

• Reordering stock and food supplies

• Monitoring other cooks and team members

Requirements and Qualifications

• Ready to work any shift

• Able to work in a fast-paced environment

• Able to multitask, prioritize, and manage time efficiently

• Physical endurance to stand for an entire shift

• Self-motivated and self-directed

• Works well as part of a team and on individual tasks

• Able to quickly memorize complex or multiple orders

• Degree or Diploma or minimum three years relevant work experience

• Able to work early mornings, nights, and weekends

JOB DESCRIPTION

Install air-conditioning systems.

Perform troubleshooting and repair of air conditioning units.

Carry on-site preventive servicing and maintenance of air conditioning systems.

Clean, check and repair air conditioning units, including warranty servicing.

Diagnose faulty air-conditioning systems and equipment to identify root causes and replace defective components.

Improve air quality and system efficiency by cleaning cooling coils (Chemical Wash / Steam Cleaning).

Ensure drainpipes are free from dust and dirt and functioning properly.

Perform repair work promptly and efficiently.

Submit daily service and maintenance reports.

Ensure all work complies with appliance standards and Workplace Safety & Health regulations.

Perform other ad-hoc duties as assigned by the supervisor.

REQUIREMENTS

Attend training when required.

Min 1 year experience.

Must be willing to perform manual work.

Job Role:

· Assist in daily operations

· Ensure that the kitchen is properly maintained and clean

· Oversee food preparations, presentation and storage to ensure food health and safety complacency.

· Ensure efficient use of resources and minimization of wastage.

· Any other ad-hoc jobs as assigned

Job Requirement

· Preferably with 2 – 3 years of relevant experience in the Food & Beverage industry.

· Good team player and strong customer service skills.

· Keen to learn and grow in the food & beverage industry

A Food Production technician is responsible for preparing and processing foods, ensuring that production meets quality standards and is delivered in a timely manner. Duties include operating small kitchen equitments like Mixer Grinder, Deep Frier, Buy Electric Cookers, packing and monitoring product quality.

A food production technician is need to prepare and package foods according to the company's standards. Food production workers may also be responsible for maintaining a safe and hygienic working environment, following food safety regulations and ensuring products meet food safety requirements.

Duties and Responsibilities

• Assist with the preparation of food items

• Ensure the kitchen and production area are kept clean and tidy

• Check ingredients and food products for quality

• Package food items ready for sale

• Follow food safety regulations and health codes

• Preparing ingredients for the shift; washing vegetables, chopping, seasoning meat, etc.

• Preparing deep fryer, utensils, and grill for shift

• Roti prate flour mixing

• Ready to cook Goring items (nasi,ikanpils,mee,kwithya,noodles)

• preparation of south indian & north indian curies

• Cooking order according to food health and safety standards

• Delivering food order to wait staff in a timely manner

• Storing all food properly

• Sanitizing and cleaning work stations and utensils

• Reordering stock and food supplies

• Monitoring other cooks and team members

Requirements and Qualifications

• Ready to work any shift

• Able to work in a fast-paced environment

• Able to multitask, prioritize, and manage time efficiently

• Physical endurance to stand for an entire shift

• Self-motivated and self-directed

• Works well as part of a team and on individual tasks

• Able to quickly memorize complex or multiple orders

• Degree or Diploma or minimum three years relevant work experience

• Able to work early mornings, nights, and weekends

Our esteemed client in the M&E Engineering industry is seeking a BIM Modeller (Mechanical – ACMV) to join their dynamic team:

• Employment Type: 3 years contract
• Position: BIM Modeller
• Location: Islandwide (depends on project’s location)
• Working Hours: 5 days (Mon to Thu, 8.30am to 6pm; Fri, 8.30 - 5.30pm)
• Salary Package: Up to $4,700 + Bonus
  

Job Responsibilities:

• Develop detailed M&E shop drawings from as-built references and ensure timely submission.
• Ensure all drawings meet project specifications and technical standards for quality compliance.
• Collaborate with project teams to accurately update and revise drawings to support coordination and progress.
• Assist in preparing and organizing documentation for records and digital model submissions to improve project tracking.
• Support the Project Manager with project completion tasks and ad-hoc assignments asrequired.

Job Requirements:

• At least NITEC in Mechanical or Electrical Engineering, with minimum 3 years of related experience.
• Proficiency in CAD and BIM software for producing and modifying technical drawings.
• Able to work in different site locations and adapt to dynamic project environments.

Ready to apply? Here’s how: 

• Click the APPLY button, or 
• Email your resume (in MS Word or PDF format) to adelin@intuitrecruitment.com. Include the job title in your email subject line for prompt processing. 

Only shortlisted candidates will be notified. 

By submitting your application, you consent to the collection and use of your personal dataunder Personal Data Protection Act (PDPA). 

Adelin Chong | EA Personnel Reg No.: R1875641 

Intuit Recruitment Pte Ltd | EA License No.: 25C2793 

Responsibilities:

·To assist the team in do inspection

·Checking, servicing, supervision and commissioning of various systems onboard the vessel

·Other tasks assigned by Supervisor

Requirements:

·At least 2 years of relevant working experience

·Possess a Diploma/advanced/higher/graduate in Engineering electrical/electronic), Engineering mechanical or equivalent

Roles & Responsibilities:

1. Installs, maintains, and repairs pipes and fixtures associated with water distribution and sanitation systems according to safety standards and building codes.

2. Inspects drainage and other plumbing systems for compliance with local regulations.

3. Inspects and conducts water tank maintenance work in compliance with PUB requirements.

4. Collaborates with contractors, other workers to ensure the smooth completion of work.

5. Leads and directs high-pressure construction projects, ensuring uncompromising quality and meeting stringent deadlines.

6. Adapts to sun exposure or hazardous environments.

7. Is hands-on and does not mind getting their hands dirty.

8. Must be able to work day or night shifts if required.

9. Must be able to work on weekends or public holidays if needed.

10. Exhibits unwavering flexibility, working extended hours, weekends, and frequently traveling between sites.

Requirements:

1. 6 years of hands-on experience with at least 4 years in relevant work.

2. Deep knowledge of plumbing and sanitary works.

3. Knowledge of cutting-edge equipment, safety protocols, and industry best practices.

4. Proven ability to thrive under extreme pressure and maintain composure in challenging situations.

5. Excellent communication and conflict resolution skills for effective team management.

6. Physical stamina to perform demanding on-site duties.

7. Must be able to travel to sites using public transport if company transport is not provided.

8. Willingness to travel extensively and work in varied environmental conditions.

Responsibilities:

• Include onsite maintenance, installation, servicing, troubleshooting.

• Repair of DC charger and battery systems, along with reporting duties.

Requirements:

• NITEC/Higher NITEC in Electrical Engineering or equivalent.

• Preferably with a valid Class 3 driving licence.

• Must be willing to work outdoors.

• Open to candidates without experience (training provided).

     Technical component to install, repair and service the different makes of air conditioners in Construction heavy machinery and Trucks etc.

     Adhere to all the procedures and protocols prescribed by the manufacturers to install, to service and repair the AC and general maintenance.

     Ensure the air conditioners are kept clean that facilitates free and unobstructed air flow and transmission of heat.

     Service the compressor and evaporator to maintain its efficiency levels.

     Use the testing apparatus to evaluate the wiring, electric circuits and components for resistant, continuity and optimum performance.

     Make adjustments to the control system to balance the heat, absorption, ventilation parameters.

     Change the filters, replace the batteries, alternators, oil the moving parts and tighten the wiring as part of the general servicing duties.

     Skilled at determining the errors and finding most feasible option to troubleshoot. Ability to read and comprehend technical specifications and manuals.

     Technical component to install, repair and service the different makes of air conditioners in construction heavy Machinery and Trucks etc.

     Adhere to all the procedures and protocols prescribed by the manufacturers to install, to service and repair the AC and general maintenance.

     Ensure the air conditioners are kept clean that facilitates free and unobstructed air flow and transmission of heat.

     Service the compressor and evaporator to maintain its efficiency levels.

     Use the testing apparatus to evaluate the wiring, electric circuits and components for resistant, continuity and optimum performance.

     Make adjustments to the control system to balance the heat, absorption, ventilation parameters.

     Change the filters, replace the batteries, alternators, oil the moving parts and tighten the wiring as part of the general servicing duties.

     Skilled at determining the errors and finding most feasible option to troubleshoot. Ability to read and comprehend technical specifications and manuals.

• Remuneration package: Up to $3,000 Basic + Shift Allowance + AWS + Excellent Variable Bonus

• Working location: Orchard Office Building

• Renowned Organization

Responsibilities

• Carry out general building repairs, including electrical, plumbing, and painting works, with the ability to read and interpret technical drawings such as electrical, plumbing, and site plans.

• Perform daily safety inspections to identify electrical hazards, water ponding, and coordinate with security personnel to ensure a safe environment.

• Support both preventive and ad-hoc maintenance activities to ensure facilities remain in optimal condition.

• Monitor Mechanical & Electrical (M&E) systems, maintain accurate records of readings, and track equipment performance.

• Assist in supervising external contractors during maintenance and servicing works, reporting any issues or irregularities to the site manager.
  

Requirement

• At least 2 years of relevant experience in M&E Maintenance of buildings

• Ok to do staggered working hours
  

We regret that only shortlisted candidates will be notified

Kindly email your resume in a detailed Word format to

roy.yeo@peopleprofilers.com

We regret that only shortlisted candidates will be notified

People Profilers Pte Ltd

50 Raffles Place, #19-12, Singapore Land Tower, Singapore 048623

EA License Number: 02C4944

Registration Number: R1217882

Posting Personnel: Yeo Yi Rong

Tel: 6950 9757

Responsibilities:

• Conduct on-site assessments to determine the best location for installation based on plumbing, electrical, and space requirements.
• Communicate effectively with customers to explain the installation process, answer questions, and address concerns.
• Install home appliances according to manufacturer specifications and industry standards, including filtration units.
• Connect home appliance to existing plumbing lines, faucets, and electrical outlets as needed.
• Test installed systems to ensure proper functioning.
• Provide demonstrations to customers on how to use and maintain their systems effectively.
• Troubleshoot and resolve any issues or malfunctions with installed systems in a timely manner.
• Maintain accurate records of installations, including parts used, labor hours, and customer information.
• Coordinate with sales and customer service teams to schedule installations and ensure customer satisfaction.
  
  Requirements:
• Outstanding customer service and communication skills.
• Ability to work independently with minimal supervision and as part of a team.
• Valid driver's license and clean driving record.
• Willingness to work flexible hours, including evenings and weekends, to accommodate customer schedules.

To check and ensure all raw materials labelled and coded to ensure no misprocess during batching activities. • Operated Heavy machines to manufacture parts to specific blueprints specs , Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction. • Modify cutting programs to account for problems encountered during operation and save modified programs. • Calculate machine speed and feed ratios an

Responsibilities:

• To assist in preparation of BIM model and content for BIM coordination meetings
• Adhere to BIM execution plan and project workflow criteria under the direction of Architect in-charge
• Support project team and efficiency in workflow to achieve BIM deliverables as per requirements timely
• Leveraging BIM software and tools as a methodology to coordinate design documentation
• Assist in updating BIM standard and template for project
• Familiar with BIM submission, regulations and guidelines

Requirements:

• Specialist Diploma in BIM/VDC preferred
• Minimum 2 years relevant working experience in building contruction (Architecture), Singapore
• Knowledge of authorities' requirements and overall project process
• 5 days work week, Mondays to Fridays
• Location: Bugis, Singapore

Interested and suitable candidate kindly click quick apply. Resume will be routed to Jasmine Chin Yan Min. We regret that only suitable candidate will be notified.

GEMS Recruit/EA License: 23C1459

EA Personnel No: R1442379 (Jasmine Chin Yan Min)

A Food Production technician is responsible for preparing and processing foods, ensuring that production meets quality standards and is delivered in a timely manner. Duties include operating small kitchen equitments like Mixer Grinder, Deep Frier, Buy Electric Cookers, packing and monitoring product quality.

A food production technician is need to prepare and package foods according to the company's standards. Food production workers may also be responsible for maintaining a safe and hygienic working environment, following food safety regulations and ensuring products meet food safety requirements.

Duties and Responsibilities

• Assist with the preparation of food items

• Ensure the kitchen and production area are kept clean and tidy

• Check ingredients and food products for quality

• Package food items ready for sale

• Follow food safety regulations and health codes

• Preparing ingredients for the shift; washing vegetables, chopping, seasoning meat, etc.

• Preparing deep fryer, utensils, and grill for shift

• Roti prate flour mixing

• Ready to cook Goring items (nasi,ikanpils,mee,kwithya,noodles)

• preparation of south indian & north indian curies

• Cooking order according to food health and safety standards

• Delivering food order to wait staff in a timely manner

• Storing all food properly

• Sanitizing and cleaning work stations and utensils

• Reordering stock and food supplies

• Monitoring other cooks and team members

Requirements and Qualifications

• Ready to work any shift

• Able to work in a fast-paced environment

• Able to multitask, prioritize, and manage time efficiently

• Physical endurance to stand for an entire shift

• Self-motivated and self-directed

• Works well as part of a team and on individual tasks

• Able to quickly memorize complex or multiple orders

• Degree or Diploma or minimum three years relevant work experience

• Able to work early mornings, nights, and weekends

Responsibilities:

• To assist in preparation of BIM model and content for BIM coordination meetings
• Adhere to BIM execution plan and project workflow criteria under the direction of Architect in-charge
• Support project team and efficiency in workflow to achieve BIM deliverables as per requirements timely
• Leveraging BIM software and tools as a methodology to coordinate design documentation
• Assist in updating BIM standard and template for project
• Familiar with BIM submission, regulations and guidelines

Requirements:

• Specialist Diploma in BIM/VDC preferred
• Minimum 2 years relevant working experience in building contruction (Architecture), Singapore
• Knowledge of authorities' requirements and overall project process
• 5 days work week, Mondays to Fridays
• Location: Bugis, Singapore

Interested and suitable candidate kindly click quick apply. Resume will be routed to Jasmine Chin Yan Min. We regret that only suitable candidate will be notified.

GEMS Recruit/EA License: 23C1459

EA Personnel No: R1442379 (Jasmine Chin Yan Min)

Job Description:

We are seeking an experienced and detail-oriented Project Engineer to join our AV team. The ideal candidate will have a strong background in project management and technical expertise in audio-visual systems, ensuring successful project delivery from conception through completion.

Key Responsibilities:

• Oversee and manage AV projects from initial planning through to execution and delivery, ensuring adherence to budget, schedule, and quality standards.
• Collaborate with stakeholders, including clients and contractors, to define project requirements and deliverables.
• Conduct site surveys and assessments to develop accurate project scopes and implementation plans.
• Design and configure AV systems, including audio, video, and control systems, tailored to client specifications.
• Coordinate with internal teams and subcontractors to ensure seamless integration of AV systems into existing infrastructure.
• Monitor project progress and provide regular updates to stakeholders, addressing any issues or delays proactively.
• Ensure compliance with industry standards, safety regulations, and company policies throughout all phases of the project.
• Provide technical support and training to clients after project completion to ensure satisfaction and usability of AV systems.
• Perform preventive maintenance

Qualifications:

• Bachelor’s degree in Electrical Engineering, Electronics, AV Technology, or a related field.
• Proven experience in project engineering/management, specifically within the AV industry.
• Strong technical knowledge of audio-visual systems , installation, and troubleshooting.
• Proficient in project management tools.
• Excellent organizational skills, with the ability to manage multiple projects and priorities simultaneously.
• Strong communication and interpersonal skills for effective client and team collaboration.
• Good soldering skill on audio & video connectivity

What We Offer:

• Competitive salary and comprehensive benefits package.
• Opportunities for advancement and professional development.
• A collaborative work environment with a dynamic team.

Role:
Licensed Electrical Worker (LEW) (Technician Level)

• Monday to Friday
• 8.30am - 5.30pm (Overtime / standby may be required when necessary)
• $ 4,000 - $ 7,000 
• Paya Lebar

Job Description

• Carry out routine maintenance, inspection and testing of LT electrical installations
• Assist LEW / Professional Engineer in switching operations of electrical panels
• Perform troubleshooting and rectification of electrical faults
• Conduct site inspections in compliance with EMA regulations and safety standards
• Attend to emergency breakdown calls and standby duties when required
• Prepare basic service reports, checklists and maintenance records
• Supervise and coordinate with subcontractors for maintenance works
• Ensure all work activities comply with workplace safety requirements
   

Requirements

• Diploma or Degree in Electrical Engineering or a related field
• Class 3 driving license preferred
• Basic knowledge of electrical systems and safety practices
• Training provided / With 1 - 3 years of relevant experiences
• Experienced in electrical design works (SLD, system study, Etap study, electrical protection system)

✅ Wee Yuan Huan

✅ Reg No: R21100383

✅ The Supreme HR Advisory Pte Ltd

✅ EA No: 14C7279

Job Description & Requirements

Key Responsibilities:

• Undertake preventive and corrective maintenance, including basic troubleshooting.
• Supervise contractor works and report job progress.
• Prepare and submit maintenance reports, checklists, and work reports.
• Monitor workplace safety of contractors.
• Lead a team, coordinate daily activities, schedule deployments, ensuring smooth execution of tasks.
• Surveying buildings and repair mechanical systems
• Performing maintenance of electrical systems
• Inspecting,analyzing and troubleshooting systems and equipment.
• Sourcing replacement parts.
• Repairing or replacing faulty equipment.
• Fabricating any components required.
• Maintain heating and plumbing systems to ensure functionality.

We are seeking a dedicated and experienced Printing Press Operator/technician to join our dynamic production team. The ideal candidate will be responsible for operating and maintaining our printing presses, ensuring the highest quality output, and meeting tight deadlines. If you have a keen eye for detail and a passion for producing exceptional print work, we want to hear from you.

Key Responsibilities:

· Set up, operate, and maintain [e.g., offset, digital, flexographic] printing presses.

· Perform routine maintenance and basic troubleshooting to minimize downtime.

· Conduct quality control checks throughout the printing process to ensure consistency and color accuracy.

· Interpret job orders and work closely with the pre-press team to ensure specifications are met.

· Manage ink, paper, and other material inventory for assigned presses.

· Adhere to all company safety protocols and maintain a clean and organized work environment.

· Meet production schedules and efficiency standards.

Required Qualifications & Skills:

· High school diploma or equivalent.

· Proven experience (2+ years) as a Printing Press Operator.

· Strong understanding of color theory, registration, and print quality standards.

· Mechanical aptitude and the ability to troubleshoot technical issues.

· Ability to lift up to 50 lbs and stand for extended periods.

· Strong attention to detail and a commitment to producing high-quality work.

· Excellent time management skills and the ability to work in a fast-paced environment.

Preferred Qualifications:

· Vocational training or certification in Printing Technology.

· Experience with [mention specific press brands or types, e.g., Heidelberg, Komori].

· Knowledge of Pantone Matching System (PMS).

4 off days monthly, rest days depend on schedule. able to work long hours and late in evenings and weekends

Competitive salary 3k and above

Positive and nurturing working environment

Work location: islandwide

Duration: permanent

Requirements

Qualifications - diploma or high school diploma

Work experience- at least one year working experience in related fields

Job type- full time

Required languages: English and able to communicate with mandarin speaking customers

If you have an interest in applying for this role, please WhatsApp me at 98198786 to apply. Only shortlisted candidates will be notified. Priority will be given to Singaporeans

Young hon Lim/ manager

Render private limited

EA licence no 15c7827

EA reg no R1550906

> Perform cabling & installation works, setup and operation of audio and video systems.

> Trouble shoot equipment and system faults.

> Able to read and understand the below documents:

> Single line diagram for audio, video and control systems.

> Rack elevation diagrams.

> Responsible for testing and labeling of various types of cables / products before,

during and after installation and rack assembly and equipment installation.

> Clear understanding of both written and spoken English.

> Ability to understand one line drawings and schematics.

> Possess a firm knowledge of installation tools and have the ability to use them.

> Able to drill, perform cable termination works.

> Equipment rack installation.

Job Summary

You will maintain and support underwater remotely operated vehicles (ROVs) and related systems, assist in R&D activities, and perform system operations to ensure reliable underwater service delivery.

Responsibilities

• Perform preventive maintenance on underwater systems to ensure operational reliability
• Set up, troubleshoot, repair, and construct hydraulic, mechanical, and electrical components for underwater ROVs and ancillary systems
• Support research and development activities by fabricating, building, and upgrading new and existing ROVs
• Record and manage data accurately during operational jobs to support analysis and reporting
• Conduct system launch and recovery operations safely and efficiently
• Assist with ROV operations following approved procedures and policies to maintain safety and performance standards
• Execute hands-on maintenance and repairs on electrical, mechanical, and electronic systems of ROVs and related equipment
• Work outdoors or on-board ships, maintaining physical fitness to meet job demands and adapt to irregular shift hours as required by operational schedules