STR
Senior Software Engineer
$134K–$184K
Arlington, VA +3 · Senior · Full-time · Posted Nov 6, 2025
- Location
- Arlington, VA
Arlington, Virginia, United States
Melbourne, Florida, United States
Woburn, Massachusetts, United States - Experience
- 5+ years of relevant experience; the posting also states a bachelor's or higher degree with at least 5 years of relevant experience or equivalent expertise gained through prior roles.
- Education
- Bachelor's (or higher) degree in Computer Science, Electrical & Computer Engineering, Applied Mathematics, or a related field, or equivalent expertise gained through prior roles.
- Visa sponsorship
- U.S. citizenship is required to obtain a Top Secret (TS) security clearance.
About the job
Leads the design, implementation, and testing of software for real-time data communications and networking, from research prototypes through deployed systems.
What you'll do
- Develop, test, and improve software and operational prototypes for networking and communications systems.
- Own significant project features, guide technical and architectural discussions, and mentor junior engineers.
- Build reliable customer-facing operational systems and improve performance, quality, and maintainability.
What they ask for
- 5+ years of experience in relevant software engineering roles.
- Proficiency in Python, C, C++, or similar interpreted or low-level programming languages.
- Experience with open architectures and rapid prototyping; strong knowledge of software testing and development lifecycles.
- Hands-on GNU/Linux software development and deep understanding of networking principles, including the 5-layer OSI networking stack.
Nice to have
- Active Top Secret (TS) Security Clearance.
- Advanced experience in Python, MATLAB, and/or other high-level programming languages.
Pay
$134,000 - $184,000 USD base salary
Tools
Python, C, C++, GNU/Linux, MATLAB
Model-written summary · the original posting is authoritative