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Job Description
O'Fallon, IL
Remote Status: On-Site
Job Id:
557
# of Openings:
1
Don’t meet every single requirement? We’re dedicated to building an uncommon, inclusive, and authentic workplace, so if you’re excited about this role but your experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or national origin.
Pay Range: $115,000 - $135,000 per year
At UNCOMN, we don’t just fix issues; we deliver secure solutions that power essential operations in both the public and private sectors. Our team tackles tough challenges—whether it’s improving organizational systems, streamlining logistics, or making sense of complex data—all with one goal: helping our clients succeed so they can continue serving others.
We’ve built a culture rooted in our Core Values, where innovation thrives, work-life balance is respected, and career growth is always encouraged. We're also proud to be recognized as a ‘Top Workplace,’ and that’s not just us talking; it’s our employees. Now, we’re looking for another Uncommon Genius to join our dynamic team. If you love solving puzzles, building new things, fixing what’s broken, or pushing the boundaries of creativity, we encourage you to explore the details of this position below!
We’ve built a culture rooted in our Core Values, where innovation thrives, work-life balance is respected, and career growth is always encouraged. We're also proud to be recognized as a ‘Top Workplace,’ and that’s not just us talking; it’s our employees. Now, we’re looking for another Uncommon Genius to join our dynamic team. If you love solving puzzles, building new things, fixing what’s broken, or pushing the boundaries of creativity, we encourage you to explore the details of this position below!
UNCOMN is seeking a Senior Systems Engineer to:
- Support system architecture design, requirements development, integration planning, and configuration management activities.
- Provide engineering expertise for mission systems across the full lifecycle from concept development through deployment, operations, and sustainment.
- Develop and maintain system architecture artifacts using Systems Modeling Language (SysML).
- Collaborate with customer and contractor teams to ensure interoperability, scalability, and mission alignment across systems and interfaces.
- Conduct analysis of system performance, dependencies, and risks; provide clear, actionable recommendations for optimization.
- Evaluate and recommend tools, techniques, and processes to improve system modeling.
- Serve as a professional, credible, and approachable technical representative in client-facing environments.
- Communicate complex technical concepts clearly and confidently to both technical and non-technical stakeholders.
- Influence architectural and engineering decisions through collaboration, trust-building, and well-reasoned analysis rather than positional authority.
- Support alignment across multiple teams, helping reduce friction and improve shared understanding during transformation initiatives.
This position description outlines the core duties for this role, but it is not all-inclusive. Responsibilities may shift based on contract requirements, mission needs, or organizational objectives.
Requirements
- 10+ years of combined education and professional experience in related field.
- Must be eligible to obtain a Secret clearance, granted by the U.S. Government, which requires U.S. citizenship. The government also uses 13 adjudicative guidelines to determine an individual's eligibility.
- Strong understanding of systems engineering principles.
- Demonstrated experience working in a DoD or Intelligence Community (IC) environment.
- Experience with Model-Based Systems Engineering (MBSE) tools and methodologies, preferably Sparx EA and/or Cameo EA, particularly for architecture modeling, traceability, and requirements integration.
- Excellent written and verbal communication skills, with the ability to engage effectively with senior government stakeholders.
- Must be comfortable working onsite with the potential to travel (estimated) once per month.
Preferred
- Active DoD (top) secret clearance.
- Experience leading or supporting architecture transformation efforts, including migration from DoDAF to UAF.
- INCOSE Systems Engineering Professional (SEP) certification.
- OMG Certified Systems Modeling Language Professional (OCSMP) certification.
- Proficiency with Atlassian tools (JIRA, Confluence) and collaboration platforms.
- Knowledge of cloud-based architectures (AWS, C2S) and DevSecOps environments.
- Familiarity with Agile and SAFe methodologies in systems or software-intensive programs.
Why UNCOMN?
- Instant Flexible PTO: Enjoy flexible paid time off starting your very first day with us!
- Generous Holidays: Benefit from 7 paid holidays and up to 3 floating holidays annually.
- Immediate Health Coverage: Get access to comprehensive health benefits from day one.
- 401K Safe Harbor Match: Secure your future with our top-tier 401K matching program.
- Performance Bonus: Stand out and you could earn an annual performance bonus.
- Growth Opportunities: Advance your career with our training and education assistance programs.
- Free Employee Assistance Program (EAP): Access complimentary support services for you and your family.
Note: Benefits apply to full-time employees only.
Don’t meet every single requirement? We’re dedicated to building an uncommon, inclusive, and authentic workplace, so if you’re excited about this role but your experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or national origin.
Pay Range: $115,000 - $135,000 per year
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