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87 Str Principal Systems Architect Jobs Hiring Near You

STR

Principal Model-Based Systems Engineer

Dayton, OH · On-site

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other ... STR's Systems Development Division in adopting processes and tools to achieve architectural ...

STR

Principal Model-Based Systems Engineer

Dayton, OH · On-site

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other ... STR's Systems Development Division in adopting processes and tools to achieve architectural ...

STR

Principal Model-Based Systems Engineer

Dayton, OH

$206K - $284K/yr

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other ... STR's Systems Development Division in adopting processes and tools to achieve architectural ...

STR

Principal Radar Systems Engineer

Dayton, OH

STR is focused on delivering National Defense capabilities by driving mission-focused strategies to ... Experience working with software-intensive systems and open architecture. * Familiarity with ...

STR

Principal Radar Systems Engineer

Dayton, OH · On-site

STR is focused on delivering National Defense capabilities by driving mission-focused strategies to ... Experience working with software-intensive systems and open architecture. * Familiarity with ...

STR

Principal Radar Systems Engineer

Dayton, OH

STR is focused on delivering National Defense capabilities by driving mission-focused strategies to ... system to architect solutions, be directly involved with implementing the solutions (hands-on ...

STR

Principal Product Lead (TL2)

Dayton, OH · On-site

$206K - $275K/yr

STR's Analytics and C2 Division researches and develops novel technologies to solve challenging ... Support product architecture and design reviews as part of an agile development process. This ...

STR

Principal Product Lead (TL2)

Dayton, OH · On-site

$206K - $275K/yr

STR's Analytics and C2 Division researches and develops novel technologies to solve challenging ... Support product architecture and design reviews as part of an agile development process. This ...

STR

Principal Product Lead (TL2)

Dayton, OH · On-site

$206K - $275K/yr

STR's Analytics and C2 Division researches and develops novel technologies to solve challenging ... Support product architecture and design reviews as part of an agile development process. This ...

STR

Lead Model-Based Systems Engineer

Dayton, OH · On-site

$157K - $224K/yr

The candidate will support STR's Systems Development Division to achieve architectural integrity and traceability from requirements analysis through system and software development and production ...

STR

Lead Model-Based Systems Engineer

Dayton, OH · On-site +1

$157K - $224K/yr

The candidate will support STR's Systems Development Division to achieve architectural integrity and traceability from requirements analysis through system and software development and production ...

STR

Lead Model-Based Systems Engineer

Dayton, OH · On-site +1

$157K - $224K/yr

The candidate will support STR's Systems Development Division to achieve architectural integrity and traceability from requirements analysis through system and software development and production ...

STR

Principal Signal Processing Researcher

Dayton, OH · On-site

$206K - $284K/yr

The Sensors Division at STR focuses on technology development for advanced sensor systems and ... As a Principal Signal Processing Researcher, you will create and lead technical teams that develop ...

STR

Principal Signal Processing Researcher

Dayton, OH · On-site

$206K - $284K/yr

The Sensors Division at STR focuses on technology development for advanced sensor systems and ... As a Principal Signal Processing Researcher, you will create and lead technical teams that develop ...

STR

Principal Signal Processing Researcher

Dayton, OH · On-site

$206K - $284K/yr

The Sensors Division at STR focuses on technology development for advanced sensor systems and ... As a Principal Signal Processing Researcher, you will create and lead technical teams that develop ...

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Infographic showing various Principal Systems Architect job openings at Str in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Principal Model-Based Systems Engineer

STR

Dayton, OH • On-site

$206K - $284K/yr

Full-time

Re-posted 15 days ago

Job description

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations: Dayton, OH & Arlington, VA) to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience leading teams, architecting systems, working across the Systems Engineering Lifecycle, and have experience in Digital Engineering/MBSE. The candidate will support STR's Systems Development Division in adopting processes and tools to achieve architectural integrity and traceability from requirements analysis through system and software development through production system deployment.
This position offers the opportunity to work with leading domain experts in sensors development and cyber security to incorporate MBSE tools and techniques. The ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, 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 and guiding teams in the 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.
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
  • Leading teams and 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

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
  • 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 haves:
  • 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 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)

Pay Information
Full-Time Salary Range: $206,000 - $284,000
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 appassist@str.us 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.

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