Job Description
About the Team:
STR’s Space Missions and Sensing (SMS) Sector’s mission is to develop and apply innovative technology to space-based sensing space control and counter-sensing. Within the SMS Sector the Space and Counter Space (SCS) team is at the forefront in electronic warfare technologies. Our team strives to bring critical and transformational capabilities to the warfighter through creative ideas and techniques. To realize the value the team develops both engineering and operational prototypes to demonstrate capabilities in real world environments.
STR takes pride in our ability to address warfighter operational needs. Our core team includes principal investigators program managers signal processors SW developers FPGA expertise RF and Electromagnetic engineers and mechanical design experts. Our facilities support on site build and test (benchtop anechoic chamber and over the air). We collaborate with a dynamic group of research engineers across STR academic researchers and industry partners to develop practical and effective solutions to RF sensing and counter-sensing challenges.
The work program is growing with strong demand signal from our sponsors. We are seeking mechanical engineering design development and integration support for advanced and operational prototype systems. If you're seeking an opportunity to apply your deep technical knowledge and creativity to make a lasting impact in national security we invite you to join us.
The Role:
As a Senior Mechanical Design Engineer you will have the opportunity to work with a team to design build integrate and test sensing and counter sensing systems for radar electronic warfare sonar and other applications. Systems predominantly field deployable prototypes with the objective of transitioning to low-volume product systems.
Who you are:
- Proficient in Computer-Aided Design (CAD) tools like SolidWorks enabling precise design and visualization of mechanical components
- Knowledgeable in FEA techniques to simulate physical phenomena and predict how products will react to real-world forces
- Proficient in planning executing and monitoring and reporting project progress. Strong record keeping skills that trace design evolution
- Experience in rapid prototype development to test and validate designs before full-scale production
- Strong ability to work collaboratively within multidisciplinary teams collaborating with the team to quantify goals system performance objectives metrics dependencies and risks to guide our work
- Understanding of industry regulations and standards ensures that designs comply with safety and environmental guidelines
- Familiar with development of performance trade studies and analyses of proposed hardware architectures. Systems predominantly field deployable prototypes with the objective of transitioning to low-volume product systems
- Ability to convey complex technical information clearly and effectively to diverse audiences including for customer review.
- This position requires the ability to obtain a Top Secret (TS) security clearance for which U.S. citizenship is required by U.S. Government
- BS in Mechanical Engineering Applied Mathematics Physics or a related technical discipline with 5 years of experience or MS with 3 years of experience
- Strong Mathematical troubleshooting written and verbal communication skills
Even Better:
- Active Secret or TS/SCI Clearance
- Advanced degree in Mechanical Engineering Applied Mathematics Physics or a related technical discipline
- Prior design experiences in: Electronics packaging for harsh environments rapid prototyping antenna and RF system design field testing.
- Background in designing for manufacturability producibility and cost constraints
Pay Information
Full-Time Salary Range: $135000 - $165000
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
- BS in Mechanical Engineering Applied Mathematics Physics or a related technical discipline with 5 years of experience or MS with 3 years of experience
- Proficient in Computer-Aided Design (CAD) tools like SolidWorks
- Knowledgeable in FEA techniques
- Strong ability to work collaboratively within multidisciplinary teams
- Ability to convey complex technical information clearly
What the Team is Saying



STR Compensation & Benefits Highlights
- Healthcare Strength—Health coverage spans medical dental vision mental-health transgender-inclusive care FSA and pet insurance and is presented as a defining strength.
- Retirement Support—A 401(k) with company matching alongside life and disability coverage signals strong long-term financial support.
- Flexible Benefits—Flexible schedules a remote work program and home-office stipends are featured complemented by wellness commuter and on-site convenience perks.
STR Insights
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.
Gallery
STR Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Similar Jobs
STR
Section Manager - Hardware Engineering
Explore More
Date Posted
06/02/2026
Views
0
Similar Jobs
Software Engineer II of Marketplace Middleware Engineering -
Views in the last 30 days - 0
View Details