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STR

Senior Model-Based Systems Engineer

STR · Woburn, MA

Posted 20 days ago · $138,000-190,000

or apply directly on STR's site. We never take the application ourselves.

Is this posting real?

This role has been open
20 days
STR's roles stay open a median of 45 days
Reposted
No
Salary listed
Yes
99% of STR's roles list one
Ghost-job risk at STR
high
100 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
2026-09-17

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

As a Senior Model-Based Systems Engineer at STR, you will work on architecting systems and applying Model-Based Systems Engineering (MBSE) principles across various DoD mission areas. Your day-to-day tasks will involve analyzing and defining requirements, developing documentation, and collaborating with software development teams to implement advanced software systems. You will also utilize SysML in Cameo to support the integration of software-intensive systems and contribute to agile approaches in system development.

Our read on this posting3.6out of 5
benefits
1/5
freshness
4/5
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 Top Secret Clearance with SCI eligibility
  • BS, MS or PhD in Systems Engineering, Computer Science, Aerospace Engineering, Electrical Engineering, or a related technical field
  • Minimum of 5 years work experience as a Systems Engineer or related field
  • Minimum of 3 years experience architecting systems using system modeling tools (SysML in Cameo)
  • Experience implementing open architectures and integrating with large scale software-intensive systems
  • Strong ability to derive requirements from existing software and capture new customer requirements

Nice to have

  • Domain expertise or familiarity with sea, air, and space platforms, mission planning, and C2 systems
  • Experience porting models/designs from SparxEA to Cameo
  • Experience in Java, Python, or object-oriented programming languages
  • Agile software development experience and/or certification
  • 5+ years of experience in architecting systems using system modeling tools (SysML in Cameo)

What you get

  • Full-Time Salary Range: $138,000-190,000
  • Flexible, hybrid work environment allowing up to 25% remote work

Worth weighing

  • Salary range is based on external market data and may vary based on individual qualifications
  • The role involves working with complex software systems which may require a steep learning curve
  • Position requires a high level of security clearance, limiting eligibility to U.S. citizens

Summarised from STR's posting. Read the full original.

Listed by STR on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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