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Unix Systems Administrator Jobs in California (NOW HIRING)

Saalex

Senior Systems Administrator

Camarillo, CA · On-site

$150K - $175K/yr

Saalex is seeking a Senior System Administrator in Camarillo/Naval Air Station Point Mugu, CA . The ... Lead administration, maintenance, and sustainment of Windows and UNIX/Linux systems supporting ...

Evidation

Systems Administrator

San Mateo, CA · On-site

We need best-in-class Systems Administrators to help us build new products and scale our existing ... Knowledge of the fundamentals of Unix administration (Linux-specific preferred). Candidate should ...

Evidation

Systems Administrator

San Mateo, CA · On-site

We need best-in-class Systems Administrators to help us build new products and scale our existing ... Knowledge of the fundamentals of Unix administration (Linux-specific preferred). Candidate should ...

Collabera

UNIX Engineer

San Francisco, CA · On-site

Having a UNIX systems administration background will be a major plus however it's very important to note that this is primarily an engineering role, not a sys admin one. Responsibilities: Typical ...

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Unix Systems Administrator information

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How much do unix systems administrator jobs pay per hour?

As of Aug 9, 2026, the average hourly pay for unix systems administrator in California is $52.95, according to ZipRecruiter salary data. Most workers in this role earn between $40.82 and $60.48 per hour, depending on experience, location, and employer.

What are some common challenges faced by unix systems administrators, and how can they be addressed?

Unix Systems Administrators often encounter challenges such as managing complex server environments, ensuring system security, and maintaining high uptime. Troubleshooting issues quickly, especially during outages or performance drops, can be demanding. Staying up-to-date with evolving technologies and scripting for automation are key to overcoming these challenges. Building strong documentation practices and collaborating closely with network, security, and development teams also help maintain smooth operations and facilitate efficient problem-solving.

What is the difference between Unix Systems Administrator vs Linux Systems Administrator?

AspectUnix Systems AdministratorLinux Systems Administrator
CertificationsUnix certifications (e.g., UNIX System Administration)Linux certifications (e.g., RHCSA, RHCE)
Work EnvironmentProprietary Unix systems (AIX, Solaris, HP-UX)Open-source Linux distributions (Ubuntu, CentOS, Red Hat)
Employer UsageFinancial, government, and large enterprises with legacy systemsTech companies, startups, and organizations adopting open-source solutions
Common Search/ComparisonYesYes

While both roles involve managing and maintaining server systems, Unix Systems Administrators typically work with proprietary Unix platforms, whereas Linux Systems Administrators focus on open-source Linux environments. The core skills and certifications overlap, but the specific operating systems and tools differ based on the organization's infrastructure.

What are the key skills and qualifications needed to thrive as a unix systems administrator, and why are they important?

To thrive as a Unix Systems Administrator, you need a strong understanding of Unix/Linux operating systems, shell scripting, system security, and often a degree in computer science or a related field. Familiarity with tools like Bash, Perl, Ansible, and system monitoring solutions, as well as certifications such as CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA), is highly beneficial. Problem-solving ability, attention to detail, and effective communication are vital soft skills for proactively managing systems and collaborating with IT teams. These skills ensure reliable, secure, and efficient operation of critical IT infrastructure, minimizing downtime and supporting organizational goals.

What is a unix systems administrator?

Unix Systems Administrators are IT professionals responsible for installing, configuring, maintaining, and supporting Unix-based servers and systems. Their duties include monitoring system performance, ensuring security, performing backups, applying patches, and troubleshooting issues. They play a critical role in ensuring the reliability and efficiency of a company’s IT infrastructure by managing user accounts, setting permissions, and maintaining system documentation. Unix Systems Administrators often work closely with other IT staff to support organizational needs and optimize system resources.
What are the most commonly searched types of Unix Systems Administrator jobs in California? The most popular types of Unix Systems Administrator jobs in California are:
What are popular job titles related to Unix Systems Administrator jobs in California? For Unix Systems Administrator jobs in California, the most frequently searched job titles are:
What job categories do people searching Unix Systems Administrator jobs in California look for? The top searched job categories for Unix Systems Administrator jobs in California are:
Unix Systems Administrator jobs near you
Infographic showing various Unix Systems Administrator job openings in California as of August 2026, with employment types broken down into 76% Full Time, 18% Part Time, 2% Temporary, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $110,141 per year, or $53 per hour.

Senior Systems Administrator

Saalex

Camarillo, CA • On-site

$150K - $175K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago

Job description

Saalex is seeking a Senior System Administrator in Camarillo/Naval Air Station Point Mugu, CA. The selected candidate will serve as a senior technical resource responsible for systems administration, cybersecurity compliance, RMF support, vulnerability management, configuration management, and enterprise infrastructure support across multiple mission-critical systems. This position requires extensive experience supporting secure DoD environments and the ability to lead technical efforts across diverse operating environments.

Position Type: Full-Time

Salary: $150k - $175k annually (depending on experience)

Work Location: Onsite - NAS Point Mugu, CA

Essential Functions:

  • Lead administration, maintenance, and sustainment of Windows and UNIX/Linux systems supporting mission operations.
  • Serve as a senior technical advisor for RMF, cybersecurity compliance, and system authorization efforts.
  • Lead preparation, maintenance, and submission of accreditation packages and RMF documentation.
  • Implement and oversee security controls, STIG compliance, vulnerability remediation, and continuous monitoring activities.
  • Review, analyze, and remediate ACAS findings, audit logs, and cybersecurity vulnerabilities.
  • Lead patch management efforts, security updates, and operating system lifecycle activities.
  • Manage system resources including availability, capacity, performance, and disaster recovery readiness.
  • Support planning, installation, testing, and deployment of new hardware, software, and operating system upgrades.
  • Lead development of system documentation, SOPs, architecture diagrams, inventories, and configuration baselines.
  • Serve as a voting member and technical contributor to Configuration Control Boards (CCBs) and change management activities.
  • Review and approve technical changes to ensure compliance with system security and configuration management requirements.
  • Coordinate with Information Assurance personnel, engineers, system owners, and government customers.
  • Provide technical leadership, mentoring, and guidance to junior administrators and technical staff.
  • Support cybersecurity inspections, audits, security assessments, and compliance reviews.
  • Participate in enterprise IA initiatives supporting department-wide cybersecurity requirements.
  • Provide training and knowledge transfer to technical teams and end users as required.
  • Other duties as assigned or required.

Requirements

Required:

  • Minimum of 10 years of systems administration experience supporting complex Windows and/or UNIX/Linux environments.
  • CompTIA Security+ or equivalent DoD-approved Information Assurance certification required.
  • Experience implementing and maintaining cybersecurity controls, system hardening, patch management, STIG compliance, and vulnerability remediation.
  • Experience supporting RMF, ATO, continuous monitoring, and enterprise cybersecurity requirements.
  • Experience with Configuration Control Boards (CCBs), change management processes, and configuration management documentation.
  • Strong troubleshooting, analytical, organizational, and communication skills.
  • Demonstrated ability to lead technical efforts and mentor junior personnel.

Desired:

  • Experience supporting RMF, ATO, and DoD cybersecurity compliance activities.
  • Experience with ACAS, eMASS, SCCM, Tenable, or similar cybersecurity tools.
  • Experience supporting Navy, NAVAIR, or other DoD environments.
  • Microsoft, Red Hat, Linux+, RHCSA/RHCE, or similar systems administration certifications.

Education:

High School Diploma or GED required. Additional technical education or cybersecurity-related coursework preferred.

Security Clearance:

Active Top Secret clearance required with the ability to obtain Special Access Program (SAP) access. Requirements to obtain a clearance include US Citizenship, security investigation, etc.

Benefits

  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Resources
  • Stock Option Plan

Apply