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# Windows & Linux System Administrator

- **Company:** Zachary Piper
- **Location:** San Diego, CA, United States
- **Experience:** Experienced
- **Salary:** $110,000.0 - $115,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Bash Shell, Cyber Security, Databases, Linux, Microsoft Security Essentials, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Software Vulnerability Management, SC Clearance, Patch Management
- **Published:** August 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9103650/windows-linux-system-administrator

## About the Role

* Active Secret Clearance .
 * One DoD 8570/8140 IAT Level II certification, including:
 + Security+ CE
 + GIAC Security Essentials Certification (GSEC)
 + Security Certified Network Professional (SCNP)
 + System Security Certified Practitioner (SSCP)
 * 3+ years of experience administering Windows systems.
 * 3+ years of experience administering RHEL systems.
 * Experience developing and using PowerShell and Bash scripts.
 * Experience with the IAVM process, including STIG implementation and patch management.
 * Strong troubleshooting and system administration skills.

Desired Qualifications

 * Additional Windows and RHEL enterprise administration experience.
 * Experience developing and maintaining Ansible automation playbooks.
 * Experience supporting endpoint security technologies.
 * Familiarity with DoD cybersecurity compliance requirements and secure enclave environments.

## Description

Zachary Piper Solutions is seeking a Windows & Linux System Administrator to support the Research, Development, Test, and Evaluation (RDT&E) network and secure enclaves supporting NIWC Pacific in San Diego, California . This onsite position is responsible for maintaining and securing existing infrastructure while supporting the design, engineering, and deployment of new capabilities within a mission-critical environment., As a Windows & Linux System Administrator, you will play a key role in administering and securing Windows and Red Hat Enterprise Linux systems, implementing automation, ensuring compliance with DoD security requirements, and supporting infrastructure modernization efforts., * Administer and maintain Windows 11 and Red Hat Enterprise Linux (RHEL) systems.

 * Develop, maintain, and utilize PowerShell and Bash scripts to automate system administration tasks.
 * Provide technical engineering support and participate in infrastructure design reviews for existing and future environments.
 * Harden operating systems and servers in accordance with DISA STIGs , CTOs, and other DoD cybersecurity guidance.
 * Implement automation solutions using Ansible playbooks .
 * Support vulnerability remediation efforts, including patching and compliance activities.
 * Maintain and update asset tracking databases.
 * Collaborate with team members to develop and improve standard operating procedures (SOPs).
 * Assist with obtaining vendor quotes and procuring infrastructure assets.
 * Coordinate shipment and delivery of equipment to remote teams and locations.
 * Support the security and operational readiness of mission-critical environments.


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