CareerPlan

Systems Administrator

Costa Mesa, CA (OC-00)Full-time$117k–$154k2026-10-31 → 2026-11-10
Security clearance required

Core

Independently support and administer Windows and Linux systems within secure enterprise environments, handling day-to-day operations, advanced troubleshooting, and configuration management.

Role type

Senior Systems Administrator (Secure Enterprise)

Builds

Maintains secure system operations and supports engineering/technical teams

Domain

Defense technology / Secure computing

Deliverable

infrastructure

Required skills

Windows system administration, Linux administration, Active Directory, TCP/IP networking, PowerShell, Bash scripting, security clearance management, change management, technical documentation

Preferred skills

VMware/Hyper-V virtualization, DoD/government environment experience, additional security certifications

Responsibilities

Administer and troubleshoot Windows/Linux workstations and systems, diagnose hardware and network connectivity issues, manage user/group permissions and authentication, support system provisioning and patching, maintain SOPs and technical documentation, partner with cybersecurity teams, provide guidance to junior administrators

Seniority

Senior, hands-on IC