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Senior IT Security Engineer, Space

Costa Mesa, CA (OC-00)💼 Full-time💰 $166,000–$166,000🗓 2026-09-23 → 2026-09-26

Core

Architect, build, and own classified infrastructure from scratch for a defense technology team, establishing hardened baselines, compliance, and automation for server, networking, and enterprise services.

Role type

Senior IC infrastructure security engineer (classified environments)

Builds

Classified server environments, virtual platforms, networking, and enterprise services for defense mission support

Domain

Defense technology / Classified IT infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Windows Server administration, Linux (RHEL) hardening, STIG compliance (SCAP/SCC), VMware vSphere architecture, Active Directory, DNS, DHCP, enterprise patch management, automation scripting (PowerShell, Bash, Python), Ansible

Preferred skills

VMware vSAN/Horizon/VDI architecture, CAD/CAM/CAE software familiarity, ATO lifecycle leadership, team mentoring, Security+/RHCSA/RHCE/VCP/CISSP certifications

Technologies

VMware vSphere, vSAN, Horizon/VDI, SCAP, SCC, Ansible, PowerShell, Bash, Python, Windows Server, RHEL, Active Directory, DNS, DHCP, WSUS

Responsibilities

Design and build classified infrastructure from scratch; Define and implement STIG compliance strategies; Architect and deploy virtual infrastructure; Build out enterprise services; Develop automation frameworks; Establish monitoring and incident response processes; Lead vulnerability remediation efforts; Design backup and disaster recovery strategies; Guide environments through the ATO process

Seniority

Senior, hands-on IC

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