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Model-Based Systems Engineer

Remote Posted Jul 16, 2026 0 views

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Job description

STRJobs
Model-Based Systems Engineer

Model-Based Systems Engineer

Posted 9 Minutes Ago
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Woburn MA USA
In-Office
111K-152K Annually
Junior
Machine Learning • Security • Software • Analytics • Defense
STR Harnesses the power of technology to solve the nation's hardest problems.
The Role
Lead systems engineering efforts using Model-Based Systems Engineering (MBSE) and SysML in Cameo to ensure architectural integrity and requirements traceability. Integrate models with software teams and DoD simulation tools (e.g. AFSIM) mentor junior engineers implement automation/customization in Cameo and support digital engineering goals across the systems engineering lifecycle.
Summary Generated by Built In

STR is hiring a Model-Based Systems Engineer in our Woburn MA; Dayton OH; & Arlington VA offices to work across a broad portfolio of DoD mission areas. Hybrid positions can at times be available depending on the program requirements. The Systems Engineer should have experience architecting systems working across the Systems Engineering Lifecycle and in Digital Engineering/Model-Based Systems Engineering (MBSE) achieving architectural integrity and traceability through requirements analysis system and software development and production system deployment.

This position offers the opportunity to work with leading domain experts in sensors development and cyber security and will incorporate MBSE tools and techniques. The ideal candidate will be well-versed in Systems Engineering techniques Modeling and Simulation and Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization.

In addition to modeling in SysML the Systems Engineer will be responsible for implementing customization and automation techniques offered by Cameo to enable multi-disciplinary programs to comply with DoD Digital Engineering goals. Proficiency in one or more high-level language (C/C++ Java Python) is highly desired. Experience connecting SysML models with DoD simulation frameworks such as AFSIM is ideal.

The Systems Engineer should have experience implementing a rigorous MBSE approach to develop DoD systems. New programs at STR will be looking to adopt agile approaches that incorporate model-based requirements management and traceability with software development. This position is well suited for a Systems Engineer with a software development background who is interested in improving the state of the practice and demonstrating the advantages that MBSE can offer.

What you will do:

  • Leading development programs through the Systems Engineering process using MBSE approaches that support DoD Digital Engineering goals
  • Implementing rigorous MBSE approaches using SysML in Cameo (MagicDraw)
  • Providing mentorship and training of Systems Engineers on the use of MBSE
  • Working closely with domain experts and software development teams to realize program designs and digital engineering goals
  • Implementing traceability between MBSE model content and domain-specific analysis tools and simulation

Who you are:

  • This position requires an Active DoD Secret Clearance with the ability to obtain a Top Secret (TS) Security Clearance for which U.S. citizenship is needed by U.S. Government
  • BS MS or PhD in Systems Engineering Aerospace Engineering or related technical field
  • Minimum of 2 years experience working with SysML models in Cameo (or similar tool)
  • Experience working with software-intensive systems and open architecture

Nice to haves:

  • Active Top Secret Security Clearance
  • 5+ years’ experience in architecting systems using system modeling tools
  • Technical Project Lead experience
  • Domain expertise in one or more of the following areas is desirable; 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
  • Familiarity with specific government open architectures (e.g. Open Mission Systems)
  • Experience with the Advanced Framework for Simulation Integration and Modeling (AFSIM)

Pay Information
Full-Time Salary Range: $111000 - $152000

The salary range listed is based on external market data. Offers are based on factors such as but not limited to the candidate’s experience education training key skills/critical skills security clearances and prevailing market and business conditions.


STR is a growing technology company with locations near Boston MA Arlington VA near Dayton OH Melbourne FL and Carlsbad CA. We specialize in advanced research and development for defense intelligence and national security in: cyber; next generation sensors radar sonar communications and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people culture and attitude along with their unique set of skills experiences and perspectives put us on a trajectory to change the world. We can't do it alone though - we need fellow trailblazers. If you are one join our team and help to keep our society safe! Visit us at www.str.us for more info.


STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race color religion sex (including gender identity sexual orientation and pregnancy) marital status national origin age veteran status disability genetic information or any other characteristic protected by federal state or local laws.

If you need a reasonable accommodation for any portion of the employment process email us at [email protected] and provide your contact info.

Pursuant to applicable federal law and regulations positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.

Skills Required

  • Active DoD Secret Clearance with ability to obtain Top Secret
  • U.S. citizenship (needed to obtain Top Secret clearance)
  • BS MS or PhD in Systems Engineering Aerospace Engineering or related technical field
  • Experience architecting systems and working across the Systems Engineering lifecycle with MBSE
  • Minimum of 2 years experience working with SysML models in Cameo or similar tool
  • Experience working with software-intensive systems and open architecture
  • Proficiency in one or more high-level languages (C C++ Java Python)
  • Experience connecting SysML models with DoD simulation frameworks such as AFSIM
  • Agile software development experience

What the Team is Saying

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STR Compensation & Benefits Highlights

  • Retirement SupportA 401(k) with company matching is included signaling employer‑backed long‑term savings.
  • Equity Value & AccessibilityAn option to opt into company equity after four quarters is available indicating accessible ownership opportunities tied to tenure.
  • Flexible BenefitsFlexible schedules a remote work program and home‑office stipends or supplied equipment indicate adaptability in work setup.

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The Company
HQ: Woburn MA
800 Employees
Year Founded: 2010

What We Do

STR makes the world a safer place by developing technology and applying it to solve emerging national security challenges.

Why Work With Us

We believe in a people-first culture. Yes we are scientists engineers and researchers but first we are people. Our environment is designed to foster innovation by encouraging our employees to work collaboratively on things they are passionate about. We also really like to have fun. We believe that working hard and playing hard go hand in hand.

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STR Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: Not Specified
HQWoburn MA
Arlington VA
Dayton OH
San Diego CA
Melbourne FL
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