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Windows/Linux Administrator with Security Clearance

Zachary Piper Solutions, LLCSan Diego, CA🇺🇸United StatesPosted 25 Aug 2026

Quick Overview

Salary
$115k/yr
Seniority
Mid Senior
Work mode
On Site
Location
San Diego, CA, United States
Posted
Yesterday

Job Description

Zachary Piper Solutions is seeking a Windows & Linux System Administrator to support a company focused on Research, Development, Test, and Evaluation (RDT&E) network operations and secure defense technology environments supporting mission-critical government programs. This position is 100% onsite in San Diego, CA. The Windows & Linux System Administrator will maintain, secure, and enhance enterprise infrastructure across classified environments while supporting ongoing modernization efforts. Responsibilities for the Windows & Linux System Administrator include:

  • Administer and maintain Windows 11 and Red Hat Enterprise Linux (RHEL) systems within secure environments.
  • Develop, execute, and maintain PowerShell and Bash scripts to automate system administration tasks.
  • Perform infrastructure engineering reviews and provide recommendations for existing and future systems.
  • Harden servers in accordance with DISA STIGs, IAVM requirements, and cybersecurity compliance standards.
  • Support Ansible automation initiatives, asset management, procurement activities, shipping logistics, and development of SOPs.
Required Qualifications for the Windows & Linux System Administrator include:
  • 3+ years of experience administering Windows systems.
  • 3+ years of experience administering Red Hat Enterprise Linux (RHEL) systems.
  • Experience developing and utilizing PowerShell and Bash scripting solutions.
  • Experience supporting the IAVM process, including STIG implementation, patch management, and security compliance.
  • Experience with Ansible automation and endpoint security preferred.
  • DoD 8570 IAT Level II Certification (Security+ CE, GSEC, SCNP, or SSCP).
  • Active Secret Security Clearance.
Compensation for the Windows & Linux System Administrator include: Salary: $115,000 depending on experience Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Sick Leave as required by law #LI-JM1 #LI-Onsite Keywords Windows System Administrator, Linux System Administrator, RHEL Administrator, Red Hat Enterprise Linux, Windows 11 Administration, PowerShell Scripting, Bash Scripting, Ansible Automation, Ansible Playbooks, System Administration, Infrastructure Engineering

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