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Sr. Principal Software Engineer

Caribou Thunder

$120,000 - $140,000
Sep 10, 2025
Huntsville, AL, US
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Advance the development of complex defense software systems—design, build, and integrate resilient code that ensures mission-critical systems deliver reliable performance for the warfighter.

Requirements

  • Proficiency in C++ and Java development
  • Experience with Python or other scripting languages
  • Experience designing and executing automated testing frameworks
  • Familiarity with Agile software development practices
  • Experience with low-level software-to-hardware interfaces
  • Knowledge of CMake build systems
  • Experience with gRPC frameworks

Responsibilities

  • Design, develop, and sustain software applications in C++ and Java
  • Write and maintain scripts in Python or other scripting languages to support automation and testing workflows
  • Develop and execute automated testing frameworks to validate software reliability and performance
  • Contribute to Agile development cycles, collaborating with engineers and mission experts to meet evolving requirements
  • Integrate software with hardware systems, ensuring compatibility and mission readiness
  • Support continuous integration, configuration management, and build processes for large-scale systems

Other

  • U.S. Citizenship Required – Active Secret Clearance (TS Preferred)
  • Bachelor’s degree in STEM and 9+ years of related experience, OR Master’s degree and 7+ years, OR PhD and 4+ years
  • Active DoD Secret clearance (in-scope, required at start)
  • CompTIA Security+ certification
  • Active DoD Top Secret clearance