Senior Systems Administrator, Classified IT

We are looking for 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. Assistance should generally be limited to unfamiliar technologies high-risk changes architecture decisions or issues requiring specialized engineering expertise.

• Independently administer and troubleshoot Windows Server/desktop and Linux systems Active Directory enterprise authentication permissions services applications and domain-connected systems.
• Administer and troubleshoot enterprise Windows services including Group Policy (GPO) WSUS/patch management DNS DHCP file services certificates/PKI dependencies and related system components.
• Create modify test validate and troubleshoot GPOs including inheritance precedence OU targeting security filtering gpresult and Resultant Set of Policy (RSoP).
• Administer WSUS or equivalent patching solutions including synchronization targeting approvals deployment status failed updates reporting and patch-compliance remediation.
• Interpret DISA STIG requirements; use applicable STIG tools/checklists; implement and validate remediations including GPO-based security configurations; document findings; and troubleshoot operational impacts.
• Independently administer and troubleshoot existing VMware Hyper-V or similar virtualization environments and virtual machines.
• Troubleshoot complex issues across operating systems identity applications virtualization storage certificates and network dependencies using logs and diagnostic tooling.
• Use PowerShell Bash and other scripting/automation methods for administration bulk changes data collection troubleshooting and repeatable tasks.
• Research and resolve unfamiliar issues using vendor documentation technical references logs DISA guidance and available tooling before requiring escalation.
• Plan and lead system changes maintenance upgrades and migrations with implementation validation rollback documentation and change-control considerations.
• Serve as an escalation point and mentor for Junior Systems Administrators and Systems Administrators; provide peer review and technical guidance.
• Identify recurring problems technical debt security/configuration gaps and process deficiencies and lead practical improvements within established architecture.

• Active TS/SCI security clearance.
• Active CompTIA Security certification or higher DoD 8140/8570-aligned certification.
• Strong hands-on Windows and Linux systems administration experience with demonstrated ability to work independently.
• Hands-on experience with Active Directory GPO administration/troubleshooting enterprise patch management/WSUS and domain-connected systems.
• Experience interpreting and remediating DISA STIG findings within secure or regulated environments.
• Working knowledge of VMware Hyper-V or comparable virtualization technologies.
• Strong understanding of TCP/IP DNS DHCP IP addressing subnetting and network troubleshooting.
• Experience with PowerShell Bash or similar administrative scripting.
• Demonstrated ability to independently research and resolve complex technical problems lead technical work mentor others and produce effective documentation.

• Advanced Microsoft Linux VMware networking or cybersecurity certifications.
• Experience supporting engineering manufacturing or specialized technical applications.
• Experience leading infrastructure upgrades migrations maintenance events or cross-functional technical efforts.

A successful Senior Systems Administrator can be given an existing environment or system and independently run secure maintain and troubleshoot it. They do not need every answer memorized but are expected to research unfamiliar problems and drive them to resolution with limited assistance. Systems Engineering engagement is primarily required when work crosses into new architecture major redesign specialized engineering or high-risk technical decisions.

The salary range for this role is an estimate based on a wide range of compensation factors inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience education and/or training critical skills and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Andurils total compensation package. Additionally Anduril offers top-tier benefits for full-time employees including:

At Anduril we invest in our people. Our comprehensive competitive benefits package (available at little to no cost to employees) ensures youre supported in health recovery and whatever comes next.For more information Explore Our Benefits.

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