Senior Systems Administrator - Secure, Automated IT Infra

Anduril Industries; Costa Mesa (CA); On-site; USD 147,000 - 196,000; Full time

Benefits offered by this job

Comprehensive benefits

Job summary

Anduril Industries is seeking a Senior Systems Administrator to independently administer, troubleshoot, maintain, and secure enterprise Windows and Linux systems in classified environments.

Senior Systems Administrators are expected to perform nearly all routine and advanced administration with little to no assistance, serve as a technical escalation point, mentor other administrators, and lead operational work.

Qualifications

• Active TS/SCI clearance required.
• CompTIA Security+ or higher aligned with DoD 8140/8570.
• Strong Windows and Linux administration—independent work capability.
• Experience with AD, GPO, WSUS, and domain-connected systems.
• Experience remediating DISA STIG findings in secure environments.
• VMware/Hyper-V virtualization experience.
• Knowledge of TCP/IP, DNS, DHCP, IP addressing, subnetting.
• Scripting with PowerShell or Bash; automation experience.
• Ability to research, lead work, mentor others, and document findings.

Responsibilities

• Administer Windows Server/Desktop and Linux systems with minimal assistance.
• Manage AD, GPO, DNS, DHCP, file services, and PKI dependencies.
• Create, test, and troubleshoot GPOs including RSoP and inheritance.
• Manage WSUS or patching solutions, approvals, and compliance reporting.
• Interpret DISA STIG requirements and implement remediations.
• Administer VMware, Hyper‑V, or similar virtualization environments.
• Troubleshoot complex cross-system issues using logs and tools.
• Use PowerShell, Bash, and other scripting for automation.
• Plan system changes, maintenance, migrations with change control.
• Serve as escalation point and mentor for junior admins; document work.

Skills

Windows administration

Linux administration

Active Directory

GPO administration

Patch management

DISA STIG remediation

VMware/Hyper-V

TCP/IP networking

Scripting: PowerShell/Bash

Independent problem solving

Documentation

Job description

Anduril Industries is seeking a Senior Systems Administrator to independently administer, troubleshoot, maintain, and secure enterprise Windows and Linux systems in classified environments.

Senior Systems Administrators are expected to perform nearly all routine and advanced administration with little to no assistance, serve as a technical escalation point, mentor other administrators, and lead operational work.