Senior Simulation-based Systems Test Engineer

systemstechnologyresearch

Woburn, MA · Woburn · United States

Posted Aug 11, 2026

Full-time
Space Sensing Applications (SSA)

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Job description

About the Team

The Sensors Division develops advanced solutions in radar, space-based sensing, electronic warfare, and underwater acoustics. Within the Space Missions and Sensing (SMS) Sector, we focus on advancing space sensing, space control, and counter-sensing technologies for critical national security missions.

The Role:

In this position, you will design, implement, and operate integrated simulation testbeds for advanced space and defense systems. Your work will include analyzing integrated system performance, developing and executing test plans, and defining system evaluation criteria. You'll collaborate with customers to address key technical challenges and work closely with both research and software teams to integrate simulation and analysis tools.

What you will do:

Design and apply cutting-edge models and simulation frameworks to support test and evaluation of algorithms, command & control systems, and deployed software solutions
Collaborate with diverse teams and technical leadership to understand system level requirements and broad objectives; summarize progress, report on findings and provide assessments.
Support business development initiatives and proposal writing efforts, playing a key role in shaping the proposed technology solutions

Who You Are:

This position requires the ability to obtain a secret security clearance, for which U.S. citizenship is needed by U.S. Government
BS + 5 years' experience, MS + 3 years, PhD + 2 years, or equivalent experience in Electrical Engineering, Applied Mathematics, Physics, or related technical discipline
Experience with space defense programs and modeling, sensor systems, platforms, and ground systems
Experience in at least two of the following topics:

RF/radar signal processing, optimization, waveform design, electronic warfare, machine learning, adaptive signal processing, AI/ML approaches to optimization, model & simulation, systems engineering, test engineering, radar modelling, optics modelling, orbital mechanics, space systems (propulsion, thermal, communications, GNC)

Experience providing technical briefs to subcontractors, senior level executives, and customers
Proficiency in one or more scientific or mathematical programming languages, such as MATLAB, Python, and C/C++
Experienced researcher and team member who is excited to work with mission partners to leverage cutting-edge technology and research for immediate impact
Excellent communicator and briefer, who is comfortable communicating with both technical and non-technical audiences
Strong mathematical, troubleshooting, written, and verbal communication skills

Even Better:

Active Secret or TS/SCI Clearance
Experience with industry standard simulation tools such as AFSIM
Demonstrated leadership of complex research, development, and engineering efforts  
Advanced degree in Electrical Engineering, Applied Mathematics, Physics, or a related technical discipline
Ability to apply novel, innovative and interdisciplinary approaches to challenging engineering problems

Join us and be part of a team that's making an impact at the forefront of technology and innovation.

Pay Information
Full-Time Salary Range: $139,000 - $170,000

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.