CUB003 Senior DevOps Engineer

Senior DevOps Engineer

Location: Ashburn (full-time onsite)

Clearance: DoD Secret

Company Details:

Job Summary:
We are seeking a Senior DevOps Engineer to drive the hands-on development and sustainment of a Kubernetes platform built around RKE2, expand that platform to support Red Hat OpenShift, and support internal developer teams through shared CI/CD infrastructure. This role supports customer-site deployments in restricted environments and focuses on platform engineering, CI/CD enablement, and operational execution. The role will implement platform designs and deployment patterns defined by the Lead Architect while maintaining platform and CI/CD capabilities.

Essential Job Duties and Responsibilities:

• Extend and adapt platform capabilities to support and integrate with Red Hat OpenShift
• Lead development of platform capabilities using industry best practices and standards
• Develop platform tooling and services to support repeatable, automated deployments
• Support installation, configuration, upgrades, and patching of platform components on customer-managed clusters
• Implement Kubernetes and OpenShift security controls aligned with DoD STIGs, RMF, and NIST 800-53
• Troubleshoot and resolve platform-level issues across development, test, and deployed environments
• Design and maintain GitLab CI pipelines and shared pipeline templates
• Maintain CI/CD runners, build environments, and supporting tooling
• Assist developers with pipeline design, troubleshooting, and optimization
• Support platform deployments at customer sites, including pre-deployment validation and post-deployment stabilization
• Participate in incident response and root cause analysis related to platform or CI/CD services
• Demonstrates deep technical ownership across Kubernetes platform and CI/CD infrastructure
• Serves as a primary technical reference for RKE2, OpenShift, and GitLab CI/CD
• Balances platform development with developer support responsibilities
• Ensures solutions are robust, supportable, and aligned with architectural intent
• Mentors engineers through design reviews, implementation guidance, and troubleshooting

Minimum Job Requirements

• Active Secret Clearance
• Four-year college degree in computer science, electronic engineering or other related technical discipline, plus a minimum of five years of related experience or a master's degree with three years of related experience.
• Experience to include software development/engineering, developing state-of-the-art computer software, exercising creativity in technical direction and successful strategy development.
• Strong hands-on experience with Rancher RKE2.
• Experience creating Helm charts and configuration artifacts for repeatable installs.
• Strong scripting and automation skills (Python, Bash, Go, or similar).
• Experience with observability tooling (Prometheus, Grafana, EFK/ELK, OpenSearch).
• Experience working in classified, air-gapped, or otherwise restricted environments.
• Experience with configuration management tools (Ansible, Salt, or similar).
• Ability to use PC software such as word processing, database, spreadsheet and flowchart, and Computer Aided Software Engineering (CASE) tools.
• Must be available for domestic and possible international travel.

Preferred Qualifications

• Experience with GitLab CI/CD, including pipeline authoring and runner management.
• Hands-on experience with Red Hat OpenShift platform.
• Experience operating Kubernetes-based systems in disconnected or limited-connectivity environments.
• Software development experience, including integrating with Kubernetes.
• Experience using dependency management tools (Renovate).
• Experience deploying and managing VM-based infrastructure using Terraform / Tofu.
• Familiarity with GitOps-style configuration management.
• Knowledge of DoD compliance frameworks (RMF, STIGs, NIST 800-53).
• Kubernetes, OpenShift, or GitLab certifications.