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Senior Linux System Administrator Jobs in California

Linux Admin, vsphere, support, VMWare Duration: 16 months Contract Type: W2 only. No vendors ... Mid to Sr. level switching L2 / L3 expertise. * Mid to Sr. level scripting. * Experience can range ...

Netpace Inc is a company seeking a Linux Systems Administrator to manage their production ... The role involves running microservices on bare metal, setting up new datacenters, ensuring system ...

Showing results 21-40

Senior Linux System Administrator information

See California salary details

$21.7K

$125.6K

$176.2K

How much do senior linux system administrator jobs pay per year?

As of Sep 9, 2026, the average yearly pay for senior linux system administrator in California is $125,562.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,600.00 and $148,000.00 per year, depending on experience, location, and employer.

What is a senior Linux system administrator?

A Senior Linux System Administrator is responsible for managing, configuring, and maintaining Linux-based systems and servers. They handle system performance tuning, security hardening, troubleshooting, and automation through scripting and configuration management tools. Additionally, they oversee backups, software updates, and infrastructure reliability. This role often involves mentoring junior administrators and collaborating with development and IT teams to support business operations.

What are the typical daily responsibilities of a senior Linux system administrator?

Senior Linux System Administrators are responsible for managing, maintaining, and optimizing Linux-based servers and infrastructure. Their daily tasks often include monitoring system performance, managing user permissions, applying security patches, automating processes through scripting, and troubleshooting technical issues. They regularly collaborate with developer, security, and operations teams to support new deployments and ensure system reliability. Additionally, they may mentor junior administrators and contribute to designing infrastructure improvements, making this a dynamic and influential role within IT operations.

What are the key skills and qualifications needed to thrive as a senior Linux system administrator?

To thrive as a Senior Linux System Administrator, you need deep expertise in Linux/UNIX system administration, scripting, networking, and troubleshooting, typically backed by several years of industry experience and a relevant degree or certifications like RHCE or CompTIA Linux+. Proficiency with tools such as Ansible, Puppet, Docker, and monitoring platforms, as well as experience with cloud environments, is highly valued. Strong problem-solving abilities, communication skills, and the capacity to mentor junior team members are crucial soft skills. These abilities are essential for ensuring reliable system uptime, seamless team collaboration, and effective response to complex IT challenges.

What are the most commonly searched types of Linux System Administrator jobs in California?

The most popular types of Linux System Administrator jobs in California are:

What are popular job titles related to Senior Linux System Administrator jobs in California?

For Senior Linux System Administrator jobs in California, the most frequently searched job titles are:

What job categories do people searching Senior Linux System Administrator jobs in California look for?

The top searched job categories for Senior Linux System Administrator jobs in California are:

What cities in California are hiring for Senior Linux System Administrator jobs?

Cities in California with the most Senior Linux System Administrator job openings:

What are popular job titles related to Senior Linux System Administrator jobs in CA?

For Senior Linux System Administrator jobs in CA, the most frequently searched job titles are:

Infographic showing various Senior Linux System Administrator job openings in California as of September 2026, with employment types broken down into 1% As Needed, 67% Full Time, 30% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $125,562 per year, or $60.4 per hour.

Windows & Linux System Administrator with Security Clearance

San Diego, CA โ€ข On-site

Zachary Piper Solutions, LLC
IT Servicesย โ€ขย 51 - 200 employees

$115K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 21 days ago


Job 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. Key Responsibilities * 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. Requirements * 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. Compensation: * Salary Range: $115,000 depending on experience * Full Benefits Include:
* Medical Insurance * Dental Insurance * Vision Insurance * 401(k) * Paid Time Off (PTO) * Sick Leave (where required by law) This job opens for applications on 9/1/2026. Applications for this position will be accepted for at least 30 days from the posting date. #LI-CB1 #LI-ONSITE Keywords: Windows Administration, Linux Administration, RHEL, Red Hat Enterprise Linux, Windows 11, PowerShell, Bash Scripting, Ansible, Automation, System Administration, IAVM, STIG, DISA Compliance, Endpoint Security, Patch Management, Secure Enclaves, Infrastructure Engineering, DoD Cybersecurity, Asset Management, Server Hardening, Secret Clearance, NIWC Pacific, RDT&E, Network Security, Vulnerability Management, Systems Engineering, Navy, NIWC