Company Summary

Company Overviews

In October 2021, OneZero Solutions, LCC (OneZero), a leading federal cybersecurity and IT solutions provider, announced its acquisition of Right-Sized Solutions Inc. (RSSi), a Herndon-based Full-Stack Data Analytics firm. This strategic move significantly bolsters OneZero's presence and broadens its capabilities within the software development and data analytics sectors. The acquisition has empowered OneZero to offer an expanded array of services and mission support to our valued customers across the Federal Government.
OneZero management practices adhere to the PMI Program Management Body of Knowledge (PMBOK) and hold certification under ISO 9001:2015. Our IT practices are rooted in ITIL and Agile development, and they are certified under ISO 20000:2011. All our services are designed with security in mind and hold certification under ISO 27001:2013. Our services are readily accessible through various channels, including our commercial schedule, GSA schedules 70 (IT) and 00CORP (Professional Services), as well as other Prime and Subcontract vehicles. As an Economically Disadvantaged Woman-owned (EDWOSB) and 8(a) certified Small business, we are deeply committed to our employees, partners, and customers.
Our unwavering dedication is to provide high-quality services with speed and precision, acting as responsible stewards of client resources. Through our people-first approach and methodology, we create customer-centric environments leveraging technologies to increase productivity throughout the workforce.

Rating Reviews

Rating is calculated based on 10 reviews and is evolving.

Featured Reviews

Data Scientist
4.0
1 September 2026
Good Growth in Data Analytics Consulting
Pros: I've really appreciated the opportunities for career growth here. They invest in training and allow you to take on challenging projects that stretch your skills. The collaborative spirit among the data science teams is also a big plus; people are always willing to help out. The work flexibility is decent, allowing for a good work-life balance overall.
Cons: Sometimes communication on project scope can be a bit unclear at the outset, leading to minor adjustments later. While leadership is generally supportive, more structured mentorship programs could enhance the junior developer experience. Finding clear paths for advancement beyond senior roles could also be improved.
Advice to Management: Continue investing in professional development and clarify project scopes early. Consider formalizing mentorship for junior roles to boost retention and growth.
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DHS Sr. Operational Technology (OT) Security Engineer
4.0
31 July 2026
Solid Federal Contractor for OT Security Work
Pros: I really valued the opportunity to work on critical infrastructure projects as a DHS Sr. Operational Technology (OT) Security Engineer. The work within the federal contracting space provides a good sense of job security and stability, which is a huge plus in the cybersecurity industry. My team at OneZero Solutions was excellent, always collaborating effectively, and the leadership was generally supportive. Being based in Washington, DC, also opened doors to many professional development
Cons: While the work is impactful, sometimes the project-driven nature common in federal IT services can lead to occasional spikes in workload during specific deadlines. Communication about broader career progression opportunities for an OT Security Engineer beyond the current contract could be clearer at times. The approval processes for new tools or strategies, while necessary for government standards, occasionally felt a bit slow.
Advice to Management: Consider streamlining some internal approval processes to enhance project agility. Also, providing more explicit pathways and communication for career growth within the company for specialized roles like OT Security Engineer would be beneficial for employee retention and long-term planning.
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Senior Analyst
3.9
6 September 2026
Good place for IT pros, especially in government contracting
Pros: The team culture here is genuinely supportive. People are always willing to help each other out, which makes tackling complex IT projects for government clients a lot smoother. I appreciate the hybrid work model, which offers good flexibility. The company is involved in important work, providing a sense of purpose. There are opportunities to gain exposure to different technologies.
Cons: Sometimes communication from upper leadership can be a bit unclear, leading to occasional confusion on project priorities. The pace can be demanding during critical phases, impacting work-life balance temporarily. There's room for more structured career pathing discussions.
Advice to Management: Consider more proactive communication regarding strategic direction and project roadmaps. Enhancing transparency will further boost team morale and alignment, especially for remote and hybrid employees.
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Common Questions About RSSi / OneZero Solutions

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