comptia-linux jobs in San Diego

The Software Infrastructure Engineer designs, deploys, and maintains containerized and virtualized infrastructure supporting complex software workloads in DoD and enterprise environments. Responsibilities include managing Kubernetes, Docker, and OpenShift platforms; administering Linux systems and hypervisors; developing automation and configuration management solutions using Python, Bash, Ansible, and Terraform; integrating infrastructure with network dependencies; and troubleshooting across hardware, storage, containers, and hosted services.…See more The role requires 3–5 years of progressive infrastructure or DevOps experience, Security+ certification, and an active DoD Secret clearance.

Epsilon C5I seeks a Cybersecurity Engineering SME with 5+ years of DoD cybersecurity experience to plan, implement, and monitor cyber defense measures for command and control systems. The role requires assessing vulnerabilities, implementing security controls, responding to breaches, and ensuring compliance with cybersecurity policy and Assessment and Authorization requirements.…See more A Bachelor's degree in Cybersecurity, Computer Science, or related field is required, along with DoD IAT Level II certification and an active TS/SCI clearance.

Software engineer supporting mission-critical DoD systems in secure, containerized environments. Responsibilities include Linux (Red Hat) system administration, container orchestration (Docker, Kubernetes, OpenShift), AWS infrastructure management, PKI administration, and infrastructure automation using Ansible and scripting.…See more The role requires 8+ years in DoD systems engineering, active TS/SCI clearance, DoD 8570 IAT Level II certification, and willingness to travel for shipboard deployments (~10% annually). May lead small teams and mentor junior engineers.