Senior Cyber Software Engineer

STR is hiring a Senior Cyber Software Engineer who has a passion for developing tools and techniques to enhance the security and resiliency of national defense software systems.

What you'll do:

• Apply software engineering principles to develop robust and resilient software solutions for critical national security missions


• Develop static analysis tools to identify and mitigate vulnerabilities in software systems


• Implement and refine fuzzing techniques to discover potential security weaknesses


• Conduct thorough security assessments to ensure the integrity and security of operational (or soon-to-be operational) software systems

Who you are:

• This position requires 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 Computer Science, or related field with 5+ years of relevant professional experience


• Strong background in C/C++ and ability to rapidly pick up other languages


• Experience with static analysis tools and techniques


• Solid understanding of software engineering principles and practices


• Ability to develop engineering solutions to first-of-its-kind problems


• Familiarity with assembly language, operating systems internals (memory/process/thread management), threading, compiler technologies (e.g., GCC, LLVM) 


• Experience with software scripting and build automation tools (e.g. bash, make)


• Experience with build tools and dependency management (e.g., LLVM+Clang, GNU Make/CMake/pip/Gradle/Cargo)


• General understanding of reverse engineering fundamentals: memory layout, calling conventions, etc.

Nice to haves:

• Containerization experience (e.g., Docker/Podman)


• Proficient in Rust


• CI/CD DevOps Tool experience (e.g., Github Actions / GitlabCI / Jenkins)


• Experience with dynamic analysis tools (e.g., PIN / DynamoRio / AFL++) to include development of fuzzing tools

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 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.