Software Test Engineer II

Back Software Test Engineer II Engineering Huntsville , Alabama Direct Hire Mar 10, 2026 Software Test Engineer II Early-Mid Level | $50,000 - $75,000 | Huntsville, AL | Active Secret Clearance Required Test and validate the software that evaluates missile defense threats—ensuring Ground Fire Control systems operate with precision to protect the United States. A Day in the Life - What you'll do

• Design and execute software test procedures supporting the Ground Weapons System (GWS) and Ground Fire Control (GFC) mission software.
• Validate new and existing software capabilities, including mathematics and physics-based algorithms used in missile defense operations.
• Develop and maintain test plans, test cases, and test procedures to verify system requirements and mission performance.
• Perform integration and verification testing across a large-scale codebase (~1.5 million lines) supporting missile defense threat evaluation systems.
• Analyze software behavior and test results to identify defects and support root cause investigations.
• Collaborate with software engineers, system engineers, and mission stakeholders to verify new capabilities and resolve issues.
• Support execution of mission software testing in secure development environments.
• Travel up to 10% to support program needs, testing activities, and mission operations. Required Qualifications
• Bachelor's degree in a STEM (Science, Technology, Engineering, or Mathematics) discipline from an accredited university.
• 2 years of related software testing or engineering experience with a Bachelor's degree
• 0-2 years of related experience with a Master's degree
• Working knowledge of system design, requirements development, use cases, and test planning
• Experience developing test plans, procedures, and executing software test events
• Recent experience with software testing or system integration
• Experience with object-oriented programming languages
• Knowledge of Python and automation scripting
• Strong communication skills for technical collaboration and reporting
• Ability to think critically and translate complex concepts into test documentation and presentations
• Ability to work independently and within collaborative engineering teams
• Ability to support an in-person / closed-area development environment
• Ability to travel up to 10% to support mission needs
• Active in-scope DoD Secret security clearance required at time of application Preferred Qualifications
• Experience supporting the Missile Defense Agency Ground-Based Midcourse Defense (GMD) program
• Experience with configuration management tools such as Git, GitLab, or Bitbucket
• Understanding of containerized environments and orchestration tools such as Podman, Docker, or Kubernetes
• Experience with Eggplant test automation tools
• Experience performing root cause analysis and analyzing large system log files Who is Caribou Thunder?

Caribou Thunder is a HUBZone-certified small business providing advanced technical and engineering services to the U.S. Department of War and its mission partners. 35+ states and 20+ countries. We've delivered trusted solutions for over two decades — strengthening national readiness across missions on land, undersea, in the air, and throughout LEO, MEO, GEO, and deep space. Why Caribou Thunder?

TEAM THUNDER

— Mission Focused. Delivery Proven. Ready to Serve. Employee Advocacy Mission Proven Global Reach Skilled Teams Modern Tools Empowering Culture Our engineers and innovators ensure capability from sea floor to space frontier — delivering on time, maintaining compliance, and performing with precision in high-consequence environments. We specialize in Engineering Services, Cybersecurity, Software Development, Modeling & Simulation, Digital Engineering, and Artificial Intelligence — disciplines powering the nation's most complex technical missions. Employee Advocacy + Benefits Our people are the heart of Caribou Thunder. We invest in their growth, flexibility, and well-being — knowing their success drives ours.

Benefits include:

Premium Health, Dental & Vision Insurance 401(k) with 6% Company Match Flexible PTO & Work Schedule Education & Certification Reimbursement Support for Military Leave Work-Life Balance & Traditional Family Values Your future, your flexibility, your well-being — we invest in you. Apply and let's connect. Apply Now Share This Post