Principal DevSecOps / Platform

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Containerization Software, GitLab CI/CD, Kubernetes Orchestration, Software Delivery Certifications: None Experience: 8 + years of related experience US Citizenship Required: Yes Job Description: Principal DevSecOps / Platform Engineer We are seeking a developer-focused DevSecOps engineer to join a high-performing team building and operating software factories, security automation platforms, and AI-enabled development environments for Department of Defense and Federal customers. This role emphasizes hands-on software development within a DevSecOps context - you will write production code, build tooling, and develop applications, not just configure pipelines. The team supports multiple concurrent internal R 3+ years of hands on experience with Kubernetes Experience using AI-powered development tools (code assistants, LLM-based tooling, AI-augmented workflows) in daily engineering work — and enthusiasm for pushing their adoption forward Hands-on experience with CI/CD pipeline development — GitLab CI strongly preferred; Jenkins, GitHub Actions, or similar accepted Experience integrating security scanning tools into automated pipelines (SAST, DAST, SCA, container image scanning) Proficiency with Infrastructure as Code (Terraform and/or Ansible) Experience with containerization (Docker, Helm, OCI artifacts) and container registry management Strong Linux systems skills — administration, shell scripting, troubleshooting Solid understanding of Git-based workflows, branching strategies, and GitOps deployment patterns Experience working in or deploying to classified or air-gapped environments Ability to work across multiple concurrent projects with shifting priorities Strong written and verbal communication skills Security clearance level : Secret Clearance required to start Location : Remote with travel up to 10% Citizenship: US Citizenship PREFERRED QUALIFICATIONS Experience with Platform One / Big Bang, Iron Bank baselines, or DoD-hardened Kubernetes distributions Familiarity with DoD security and authorization frameworks (NIST 1000-53 RMF, cATO, software factory authorization patterns) Knowledge of software supply chain security practices — artifact signing, attestation, and SBOM generation (e.g., Sigstore/Cosign, Syft, in-toto) Experience deploying or operating AI/ML infrastructure or AI development platforms in enterprise or air-gapped environments (model serving, GPU scheduling on K8s, enterprise code-assistant rollout) Experience supporting growth activities — contributing to proposals, RFI responses, or technical briefings, and engaging customers as a technical SME GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. ● Growth: AI-powered career tool that identifies career steps and learning opportunities ● Support: An internal mobility team focused on helping you achieve your career goals ● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off ● Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation. The likely salary range for this position is $113,900 - $154,100. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: Less than 10% T elecommuting Options: Remote Work Location: Any Location / Remote Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee’s date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as short and long-term