DevOps Engineer

About the role

Sealing Technologies, a Parsons company, is seeking a DevOps Engineer to join a growing Software Development project team. This position involves developing and maintaining automation and deployment infrastructure for a suite of applications supporting Defensive Cyber Operations (DCO). The suite operates on custom server hardware and is designed to function in fully offline, disconnected environments.

Responsibilities

• Develop and maintain Ansible playbooks and roles to automate the deployment and configuration of Kubernetes clusters, containerized workloads, and KubeVirt VMs on custom server hardware.
• Containerize applications and manage container image builds, versioning, and distribution in offline environments.
• Build and maintain CI/CD pipelines using GitLab CI and/or GitHub Actions to support iterative software delivery across multiple products.
• Work closely with systems engineers to understand hardware and environmental constraints and translate them into repeatable, automated deployment processes.
• Troubleshoot deployment, networking, storage, and configuration issues across the full application stack in air-gapped environments.
• Assist with the integration of application data streams into big data platforms, supporting pipeline tooling such as Apache NiFi or similar ETL frameworks.
• Contribute to system hardening and STIG compliance activities as part of deployment and configuration workflows.
• Write and maintain clear technical documentation including deployment guides, runbooks, and architecture notes.

Qualifications

• U.S. Citizenship.
• Active SECRET security clearance.
• 6+ years of professional experience in DevOps, systems engineering, or a closely related field.
• Strong hands-on experience with Kubernetes, including cluster setup, workload deployment, networking, and day-to-day troubleshooting.
• Solid Linux system administration skills, including networking, storage, and service management across multiple distributions.
• Demonstrated experience writing and maintaining Ansible playbooks and roles for infrastructure automation and application deployment.
• Experience building and managing CI/CD pipelines with GitLab CI and/or GitHub Actions.
• Hands-on experience containerizing applications using Docker or similar tooling.
• Ability to work effectively in offline or air-gapped environments without access to public registries or cloud services.
• Strong written communication skills and experience producing clear technical documentation.

Benefits

Sealing Technologies offers competitive compensation packages, health, dental, and vision insurance, retirement contributions, continuing education budgets, tuition reimbursement, flexible schedules, and generous vacation policies. Additional perks include complimentary snacks, drinks & monthly catered lunches, company retreats and gatherings, flexible work arrangements, pet-friendly offices, and quarterly merit bonuses for qualified employees.