Sr. System Administrator/DevOps - Linux Kubernetes

Annapolis Junction, United States | Posted on 10/08/2026

CDIT Solutionsis seeking a Senior System Administrator / DevOps Engineer with deep Linux andKubernetes experience to support a high-visibility IC-wide mission environment.The role is part of a software development and engineering effort focused onproductizing an operational system for broader deployment.

The successfulcandidate will own day-to-day administration of CentOS/RHEL andKubernetes-based environments, apply container fundamentals and DevOpspractices, and contribute to a team supporting the full daily service window.

KeyResponsibilities

• Administer and maintain Linux systems (CentOS/RHEL) ina production mission environment.
• Operate and support Kubernetes-based environments,including tooling and container fundamentals.
• Apply DevOps and automation practices to streamlinedeployment, configuration, and operations.
• Partner with cross-functional engineering teams onprovisioning, scaling, availability, and resiliency.
• Support security compliance activities and participatein troubleshooting across the stack.
• Participate in the team's rotating coverage model tomaintain 6:00 AM – 6:00 PM availability.

RequiredQualifications

• Active DoD TS/SCI clearance with Full Scope Polygraph(FSP).
• Minimum 10 years of experience as a Linux SystemAdministrator / Engineer.
• Demonstrated Kubernetes (K8s) experience, includingtooling and container fundamentals.
• Proficiency with BASH scripting.

PreferredQualifications

• Experience with High Side / Classified networkingenvironments.
• Automation and configuration management tooling:Python, Ansible, Salt.
• Agile and DevOps methodologies.
• Key management and encryption technologies.
• Supporting experience in storage, networking, securitycompliance, authentication, and physical server administration.
• Currently holds or recently held SYS3 PRIVAC level(candidates not currently at SYS3 will need to put in for it).