> Markdown version of [/jobs/ext/4620274-software-engineer-senior](https://www.wearedevelopers.com/jobs/ext/4620274-software-engineer-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer, Senior - **Company:** Navstar Inc. - **Location:** Fort Meade, MD, United States - **Experience:** Expert - **Salary:** $230,000.0 - $275,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Automation of Tests, Boolean Algebra, C++ (Programming Language), Software Debugging, Java Platform Enterprise Edition (J2EE), Python (Programming Language), Microsoft Visual Studio, Release Management, Software Engineering, TypeScript, Rust (Programming Language), Gitlab, Information Technology, Software Version Control - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25196_c15e0aaa915ec3c15c900494ec8eee30 ## About the Role * To be eligible for this position you must hold an active TS/SCI clearance with Polygraph. * Perform end-to-end (concept to reality) capability development, taking research-based approaches - often software prototypes and algorithms - to create tools for cryptanalytic engineering and analysis. * Savvy with enterprise Java application development in order to take existing tool base, understand the tool's functionality from documentation and research, examine new parameters needed, and lead overall development. Will perform software & architecture review, transition and release planning, maintenance, automated testing, debugging, user support, version control, and new feature development. * Bachelor's degree plus 11-years of relevant experience or equivalent. Proficiency with JAVA, Python, Rust, C++, TypeScript, VisualStudio, Gitlab., * Graph representation and transformation to alt graph structures, digital logic emulation; re-architecture to object-oriented techniques, file parsing and generation with optimization framework. ## Description Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as a prime and sub-contractor on mission-focused IT programs. Our employees are integral players in support of mission-critical programs focused on our National Security., Seeking a motivated tool developer to work closely with mission stakeholders, researchers and end users to develop innovative tools - from research concept to deployment - for daily use that will improve cryptanalytic engineering and analysis.