Modeling and Simulation Test Engineer Security Clearance

Position: Modeling and Simulation Test Engineer 2 with Security Clearance
Modeling and Simulation Test Engineer 2 2+ Years | $80,000 - $103,000 | Colorado Springs, CO (Schriever SFB
- Onsite) | Secret Clearance Required Test the systems that prepare warfighters for real-world threats-ensuring mission-critical simulation software performs when it matters most. A Day in the Life
- What you'll do
* Design, develop, and execute test plans, test cases, and scripts to validate modeling & simulation software across performance, functionality, and integration
* Perform system integration, regression, performance, and end-to-end testing while analyzing results and documenting findings
* Collaborate with software engineers, systems engineers, and product owners in Agile teams to ensure quality delivery and alignment with mission requirements
* Support simulation architecture development, research missile defense systems, and contribute to continuous improvement of testing strategies and tools

Required Qualifications
* Bachelor's degree in STEM (Science, Technology, Engineering, Mathematics) with 2+ years of experience, or Master's degree with 0-2 years of experience
* Active DoD Secret clearance required to start
* Willingness to travel up to 10%
* Experience developing and executing test plans, test cases, test scripts, and test reports
* Experience verifying and validating system/software requirements with traceability
* Proficiency in at least one programming or scripting language (e.g., Python, Java, JavaScript)
* Familiarity with Agile development methodologies
* Understanding of software development practices and Linux environments
* Strong analytical, troubleshooting, and problem-solving skills
* Ability to work independently and collaboratively in a fast-paced environment
* Strong written, verbal, and interpersonal communication skills

Preferred Qualifications
* Experience with Systems Engineering V-lifecycle (requirements, verification, validation)
* Experience with requirements traceability matrices and aligning test artifacts to system-level objectives
* Familiarity with Bash, Git, Docker or Podman
* Experience testing REST APIs and working with SQL databases
* Experience with Agile frameworks (Scrum, Kanban, SAFe)
* Experience with modeling & simulation (M&S) systems or discrete event simulation platforms
* Knowledge of missile defense, command and control, or simulation development domains
* Experience with Atlassian tools (JIRA, Confluence)
* Familiarity with cybersecurity concepts
* Experience with Dev Ops tools (Jenkins, Git Hub, Bitbucket, Sonar Qube)
* Familiarity with tools/technologies such as CAMEO, C#/.NET, Curl, automated API testing
* Understanding of microservices architecture
* Experience integrating testing into CI/CD pipelines
* Familiarity with API protocols and tools (JSON, REST, gRPC, Postman, Swagger/OpenAPI)
* Understanding of HTTP/HTTPS protocols and authentication mechanisms (OAuth, JWT) 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.