Principal Model-Based Systems Engineer
STR · Arlington, VA
Posted about 3 months ago · $206,000 - $284,000
or apply directly on STR's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 81 days STR's roles stay open a median of 81 days
- Reposted
- No
- Salary listed
- Yes 99% of STR's roles list one
- Ghost-job risk at STR
- high 135 stale, 0 reposted of 139 open
- Hiring momentum
- 215 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-23
Measured from postings appearing on and disappearing from STR's own greenhouse board since 2026-08-03. Full hiring picture for STR.
About this role
The Principal Model-Based Systems Engineer will lead development programs through the Systems Engineering process using MBSE approaches to support DoD Digital Engineering goals. Responsibilities include mentoring junior staff, guiding teams in the use of SysML and Cameo, and collaborating with domain experts and software development teams. The role focuses on implementing rigorous MBSE practices and improving the integration of model-based requirements management with software development.
- benefits
- 1/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 5/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of STR as an employer.
What you need
- Active DoD Secret Clearance with the ability to obtain a Top Secret Security Clearance
- BS, MS or PhD in Systems Engineering, Aerospace Engineering, or related technical field
- Technical Project Lead experience
- Minimum of 10 years work experience as a Systems Engineer or related field
- Minimum of 5 years experience working with SysML models in Cameo (or similar tool)
- Experience working with software-intensive systems and open architecture
Nice to have
- Active Top Secret Security Clearance
- 10+ years’ experience in architecting systems using system modeling tools
- Domain expertise in one or more of the following areas: Radar, Electronic Warfare, Acoustic, Antenna Apertures, Sensor Resource Management, Sea/Air/Space, Large-Scale Platform Test Systems, Cyber Physical Systems, Open System Architectures (UCI, OMS, COARPS)
- Proficiency in Java, C/C++ or Python
- Agile software development experience
What you get
- Full-Time Salary Range: $206,000 - $284,000
Worth weighing
- No specific mention of remote work options
- Salary range is based on external market data and may vary based on individual factors
- Position requires U.S. citizenship due to security clearance requirements
Summarised from STR's posting. Read the full original.
Listed by STR on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.
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