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Senior Systems Administrator

Costa Mesa, CA (OC-00)💼 Full-time💰 $146,000–$146,000🗓 2026-07-14 → 2026-07-31

Core

Provide Tier 1-3 IT support and maintain air-gapped classified systems for defense and Intelligence Community customers.

Role type

Senior Systems Administrator (Classified IT)

Builds

Air-gapped classified IT environments for national security operations

Domain

Defense / Intelligence Community / Classified Systems

Deliverable

infrastructure

Required skills

Air-gapped system management, Windows/Linux administration, physical hardware troubleshooting, security hardening (DISA STIG), virtualization (VMware), containerization (Podman)

Preferred skills

Ansible automation, scripting languages, networking concepts

Technologies

Windows, Linux, VMware, Podman, DISA STIG

Responsibilities

Provide 1st, 2nd, and 3rd tier IT support on classified systems; Install, operate, maintain, and troubleshoot air-gapped classified IT systems; Perform security hardening using DISA STIGs; Write instructional documentation for technical concepts

Seniority

Senior, hands-on IC

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