Security-Cleared Systems Administrator (Windows/Linux)

Anduril Industries, Inc.; Costa Mesa (CA); On-site; USD 117,000 - 154,000; Full time

Job summary

Anduril Industries is seeking a Systems Administrator to independently support Windows and Linux systems within secure enterprise environments. This role will diagnose and resolve hardware, OS, authentication, and network issues, and manage enterprise authentication and permissions.

You will collaborate with Cybersecurity and Engineering teams, maintain SOPs, and follow change-management processes. Based in Costa Mesa, CA, you’ll contribute to secure, resilient IT operations supporting defense

Qualifications

• Active TS/SCI clearance required.
• Security+ or DoD 8140/8570-aligned certification required.
• Experience with Windows system administration and troubleshooting.
• Experience with Linux administration and command-line tools.
• Experience with Active Directory or centralized identity services.
• Understanding of TCP/IP, DNS, DHCP, and network troubleshooting.
• Familiarity with PowerShell or Bash scripting.
• Ability to work independently within security requirements and SOPs.
• Strong documentation and communication skills.

Responsibilities

• Administer, configure, troubleshoot, and maintain Windows and Linux workstations and systems.
• Diagnose and resolve hardware, OS, application, authentication, and network issues.
• Manage user, group, permissions, and enterprise authentication using approved processes.
• Support domain-connected Windows and Linux systems, including domain membership and authentication.
• Provision workstations, deploy systems, patch, upgrade, and install approved software.
• Troubleshoot network issues and escalate when needed.
• Use logs and scripting to investigate and resolve issues.
• Support virtualization environments and VMs.
• Create and improve SOPs and technical documentation.
• Evaluate security impact before changes and follow change-management processes.
• Collaborate with Cybersecurity and Engineers to resolve complex issues.
• Provide guidance to Junior Systems Administrators.

Skills

Active TS/SCI clearance

Security+ or DoD 8140/8570-aligned

Windows administration

Linux administration

Active Directory

TCP/IP network troubleshooting

PowerShell or Bash scripting

Documentation & communication

Independent work

Tools

VMware

Hyper-V

Job description

Anduril Industries is seeking a Systems Administrator to independently support Windows and Linux systems within secure enterprise environments. This role will diagnose and resolve hardware, OS, authentication, and network issues, and manage enterprise authentication and permissions.

You will collaborate with Cybersecurity and Engineering teams, maintain SOPs, and follow change-management processes. Based in Costa Mesa, CA, you’ll contribute to secure, resilient IT operations supporting defense