Principal Software Engineer with Security Clearance

Principal Software Engineer $95,000 - $115,000 | Huntsville, AL | U.S. Citizenship Required Active Secret Clearance (TS Preferred) Develop, test, and deliver advanced software solutions for missile defense and mission-critical systemscontribute to secure, resilient, and scalable applications that directly support U.S. warfighter readiness. A Day in the Life What Youll Do Design, develop, and maintain software solutions in C++ and Java Write and optimize scripts in Python or other scripting languages to support automation and testing Contribute to automated testing strategies to ensure robust and reliable software performance Collaborate in Agile development teams to deliver high-quality code aligned with evolving mission needs Support integration of software with hardware systems, ensuring seamless interoperability Apply version control, build tools, and collaborative development practices to sustain code integrity Required Qualifications Bachelors degree in STEM and 5 years of related experience, OR Masters degree in STEM and 3 years Active DoD Secret clearance (in-scope, required at start) Proficiency in C++ and Java software development Proficiency in Object Oriented Programming Experience with Python or other scripting languages Hands-on experience with automated testing tools and processes Preferred Qualifications Familiarity with Agile software development practices Experience with low-level software-to-hardware interfaces Knowledge of CMake build systems Experience using gRPC for remote procedure calls CompTIA Security certification Active DoD Top Secret clearance Who is Caribou Thunder? Caribou Thunder is a premier Woman-Owned Small Business (WOSB) defense contractor supporting mission-critical programs across the Department of Defense and Intelligence Community. With presence in over a dozen states and OCONUS, we specialize in mission operations support, software engineering, systems integration, and cybersecurity. Why Caribou Thunder? Tactical Impact Build software that powers missile defense and mission-critical systems Elite Teams Collaborate with engineers and developers solving the toughest national security challenges Mission Readiness Deliver resilient, secure, and scalable code that ensures operational success Purpose-Driven Work Your software directly supports U.S. defense and warfighter confidencebfb3568a-762b-4989-884b-a9682aa104ca