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Windows Linux Administrator Jobs in California (NOW HIRING)

Position: Linux Admin with support work and license management Location: Cupertino, CA (Fully ... Strong knowledge with the Operating systems Windows, Linux and Mac OS. * Experience with Networking ...

Partner closely with senior systems engineers (Linux, Windows, Infrastructure) to operationalize ... Mentor junior administrators, building their technical depth and operational maturity, while ...

Job Overview Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. Support 24x7 operations and collaborate with cross‑team stakeholders.

Sr Linux Administrator

Long Beach, CA · On-site

$103K - $155K/yr

Partner closely with senior systems engineers (Linux, Windows, Infrastructure) to operationalize ... Mentor junior administrators, building their technical depth and operational maturity, while ...

Sr Linux Administrator

Long Beach, CA · On-site

$103K - $155K/yr

Partner closely with senior systems engineers (Linux, Windows, Infrastructure) to operationalize ... Mentor junior administrators, building their technical depth and operational maturity, while ...

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Windows Linux Administrator information

Infographic showing various Windows Linux Administrator job openings in California as of August 2026, with employment types broken down into 1% As Needed, 72% Full Time, 18% Part Time, and 9% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Windows/Linux Administrator

San Diego, CA • On-site

Zachary Piper Solutions
IT Services • 51 - 200 employees

$115K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 9 days ago


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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