Principal Software Engineer with Security Clearance

Principal Software Engineer Mid–Senior Level | $110,000–$134,000 | Bellevue, NE | Active Secret Clearance Required (Ability to obtain TS/SCI) Design mission-critical software solutions from the ground up—join Caribou Thunder as a Principal Software Engineer and lead secure innovation across defense programs. A Day in the Life – What You’ll Do • Design, develop, and maintain secure, scalable software systems across the full development lifecycle • Work independently and collaboratively in Agile teams to deliver software on schedule • Apply DevSecOps and Infrastructure as Code (IaC) principles to automate and streamline environments • Solve complex challenges with creative, innovative solutions in secure system architectures • Collaborate with engineers and stakeholders to plan, develop, and optimize software systems • Demonstrate progress regularly to customers and internal leadership to ensure mission alignment Required Qualifications One of the following education experience combinations: • High school diploma 9 years software development experience • Bachelor’s degree in STEM 5 years software development experience • Master’s degree in STEM 3 years software development experience Must Also Have: • Strong interpersonal and communication skills for technical collaboration • Experience with Infrastructure as Code (IaC) and DevSecOps methodologies • Prior success in Agile software development environments • Ability to prioritize and adapt in a fast-paced mission environment • U.S. Citizenship with ability to obtain DoD Secret clearance • Ability to work on-site in Bellevue, NE Preferred Qualifications Infrastructure as Code (IaC): • Container Platforms: RKE2, AWS, OpenShift • Automation Tools: Ansible, Helm • Virtualization: VMware, Proxmox DevSecOps Expertise: • CI/CD pipeline design and implementation • Security hardening and compliance automation • Infrastructure-as-Code for deployment and sustainment • Dev-Prod Parity enablement Data Architecture & Streaming: • Experience with Data Mesh or Data Fabric platforms • Design of domain-oriented data architectures • Tooling for data governance and automation Software Development Proficiency: • Microservices in containerized environments • Object-oriented programming and full stack architectures • Web development frameworks and secure coding practices Tools & Platforms: • Configuration Management: Git, Bitbucket, Mercurial, Ansible Galaxy • Collaboration Suites: Atlassian, GitLab 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 a presence in over a dozen states and OCONUS, we specialize in software engineering, cybersecurity, systems integration, and satellite communications. Why Caribou Thunder? • Mission Impact: Build the backbone of secure software systems used in national defense • Cutting-Edge Work: Apply DevSecOps, containerization, and automation at scale • Growth Opportunities: Contribute as a technical leader with room to influence architecture and process • Security-Cleared Innovation: Work in high-trust, classified environments on programs that matter

Location: Bellevue, Nebraska, US

Posted Date: 8/22/2025