CareerPlan

IT Systems Administrator – Millennium Space Systems

USA - El Segundo, CAFull-time2026-10-16 → 2026-11-10
On-siteNo visa sponsorshipCitizens onlySecurity clearance required

Core

Maintain, configure, update, and integrate secure enterprise and air-gapped systems with complex operating systems, software applications, and hardware for national security space missions.

Role type

Senior IT Systems Administrator (Infrastructure & Security)

Builds

Secure, compliant, and stable IT infrastructure supporting satellite launch and mission operations

Domain

Defense & Aerospace / Cybersecurity

Deliverable

infrastructure

Required skills

Windows Server administration, VMware vSphere, Red Hat Linux administration, security compliance (DoD STIGs), Active Directory, network security (firewalls/switches), backup and recovery, technical documentation

Preferred skills

5+ years complex infrastructure experience, Windows/Linux integration, Microsoft application troubleshooting, DNS/Group Policies, VEEAM or Power Protect Data Manager

Responsibilities

Provide Tier II and below support, manage system installation/configuration/upgrades, maintain operational documentation, monitor systems to prevent downtime, escalate tickets and resolve issues

Seniority

Senior, hands-on IC