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 and willingness to obtain a Top Secret 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
• Proficiencyin C/C++ andenthusiasm for picking upadditionallanguages as needed
• Hands‑on experience with static analysis tools and techniques
• Strong grasp 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, calling conventions), and compiler technologies (e.g., GCC, LLVM)
• Experience with scripting automation tools (e.g. bash, make)and build systems (e.g., LLVM+Clang, GNU Make, CMake, pip, Gradle)

Nice to haves:

• Active Secret orTop Secretsecurity clearance
• Exposure to modern CI/CD and DevOps Tools (e.g., Github Actions, GitlabCI, Jenkins)
• Experience with dynamic analysis tools (e.g., PIN, DynamoRio, AFL++), including development of fuzzing tools
• Proficiency in Rust
• Experience with containerization (e.g., Docker, Podman)

Pay Information

Full‑Time Salary Range:
$134,000 - $184,000

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 View email address on click.appcast.io 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.