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STR

Principal Model-Based Systems Engineer

STR · Dayton, OH

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 using MBSE approaches to support DoD Digital Engineering goals. Responsibilities include mentoring junior staff, guiding teams in SysML modeling with Cameo, and collaborating with domain experts and software development teams. The role requires a strong background in Systems Engineering and experience with software-intensive systems.

Our read on this posting3.0out of 5
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 ability to obtain Top Secret (TS) 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

  • Salary range is based on external market data and may vary based on candidate's experience and skills.
  • Position requires U.S. citizenship due to security clearance requirements.
  • The role involves working in a challenging environment that pushes technological boundaries.

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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