Anduril
Senior Systems Administrator
$147K–$196K
Costa Mesa, California, United States · Senior · Full-time · Posted Oct 23, 2026
About the job
Independently administer, secure, and troubleshoot Windows and Linux systems in classified environments, while leading operational work and mentoring other administrators.
What you'll do
- Administer Windows, Linux, identity, enterprise services, patching, virtualization, and domain-connected systems; troubleshoot complex cross-system issues.
- Implement and validate DISA STIG remediations; use scripting to automate administration and recurring tasks.
- Lead system changes and improvements, document work, and serve as an escalation point and mentor.
What they ask for
- Active TS/SCI security clearance.
- Active CompTIA Security+ certification or higher DoD 8140/8570-aligned certification.
- Hands-on Windows and Linux administration, including Active Directory, GPO, WSUS or enterprise patch management, and DISA STIG remediation.
- Working knowledge of VMware, Hyper-V, or comparable virtualization; TCP/IP, DNS, DHCP, and administrative scripting.
Nice to have
- Advanced Microsoft, Linux, VMware, networking, or cybersecurity certifications.
- Experience supporting specialized technical applications or leading infrastructure upgrades, migrations, maintenance, or cross-functional technical efforts.
Pay
$147,000 — $196,000 USD (base salary)
Tools
Windows Server, Linux, Active Directory, Group Policy (GPO), WSUS, DISA STIG, VMware, PowerShell
Model-written summary · the original posting is authoritative