Job Description
STR is looking for a GNC Algorithms expert to be part of a multidisciplinary team of researchers and engineers dedicated to developing cutting-edge technologies with significant and immediate impact on our national security. We believe that each employee has a unique set of skills experiences and perspectives that are essential to providing our customers with innovative solutions to difficult national security challenges. Our culture takes pride in developing impactful technologies through collaborative teamwork while maintaining the highest standards of craftsmanship and quality.
We are looking for a GNC Engineer with versatile skills in aerospace guidance navigation and control systems technology. Areas of particular interest includes advanced filtering and estimation techniques flight control system design and/or aerospace systems modeling. A successful candidate will join a team of algorithm and software developers in a fast-paced and results-driven prototyping environment.
We encourage applicants who are proficient at programming in at least one high-level programming language (e.g. C/C++ Python and/or MATLAB) for building models and algorithmic technologies in support of system analysis and development. In our view the development of these models and technologies is benefited by sound understanding and hands-on experience with implementing guidance and control systems hardware.
What you will do:
- Developing advanced control system algorithms for aerospace applications
- Developing algorithms for sensor and system research and threat analysis
- Developing and analyzing aerospace GNC systems including both hardware and software
- Implementing models and algorithms in in Python C/C++ and/or MATLAB
- Working in small teams of highly skilled developers in the above areas
- Participating in laboratory and field tests to collect and analyze experimental data to support the verification validation and improvement of technical solutions
- Communicating technical ideas and implementations through reports and presentations
Who you are:
- This position requires an Active Top Secret security clearance for which U.S. citizenship is needed by U.S. Government.
- M.S. in Aerospace Mechanical or Electrical Engineering Physics Mathematics Computer Science or related field or B.S. + 3 years equivalent experience
- Proficiency in C/C++ Python and/or MATLAB
- Experience in implementing aerospace control algorithms filters and models
- Experience developing and giving technical presentations
Nice to Have:
- Familiarity with software build and scripting tools CI/CD development practices
- Understanding of orbital and flight dynamics and modeling of such systems
- Experience with Kalman filtering and related techniques
- Experience using collaborative source code management tools (Git Subversion)
- Experience building operating and analyzing GNSS systems
- Experience in implementing guidance navigation and control systems hardware and sensors
Pay Information
Full-Time Salary Range: $112000 - $154000
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
- M.S. in Aerospace Mechanical or Electrical Engineering Physics Mathematics Computer Science or related field or B.S. + 3 years equivalent experience
- Proficiency in C/C++ Python and/or MATLAB
- Experience in implementing aerospace control algorithms filters and models
- Experience developing and giving technical presentations
- Active Top Secret security clearance
What the Team is Saying
STR Compensation & Benefits Highlights
- Healthcare Strength—Health coverage is described as “great” across medical dental and vision for employees and families. Feedback suggests core healthcare is a defining strength of the package.
- Retirement Support—Retirement support features a “generous 401k matching” alongside long‑term savings elements. Feedback suggests these offerings bolster financial security beyond base pay.
- Flexible Benefits—Flexible schedules and “meeting‑free Fridays” are emphasized to support balance. Feedback suggests day‑to‑day flexibility is a tangible part of the total rewards.
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.
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Employees engage in a combination of remote and on-site work.
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Date Posted
05/20/2026
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