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Unix System Administrator Jobs in California (NOW HIRING)

Saalex

Journeyman Systems Administrator

Camarillo, CA · On-site

$125K - $150K/yr

Administer and maintain Windows and UNIX/Linux servers and supporting infrastructure. * Support RMF documentation activities and system authorization efforts. * Assist with development, maintenance ...

Saalex

Journeyman Systems Administrator

Camarillo, CA

$125K - $150K/yr

Administer and maintain Windows and UNIX/Linux servers and supporting infrastructure. * Support RMF documentation activities and system authorization efforts. * Assist with development, maintenance ...

Saalex

Journeyman Systems Administrator

Camarillo, CA · On-site

$125 - $150/hr

Administer and maintain Windows and UNIX/Linux servers and supporting infrastructure. * Support RMF documentation activities and system authorization efforts. * Assist with development, maintenance ...

Saalex

Journeyman Systems Administrator

Camarillo, CA · On-site

$125K - $150K/yr

Administer and maintain Windows and UNIX/Linux servers and supporting infrastructure. * Support RMF documentation activities and system authorization efforts. * Assist with development, maintenance ...

Jobsbridge

Middleware Administrator

Palo Alto, CA · On-site

$61.75 - $81/hr

Experience with Unix system administration and TCP/IP networking. ? Experience using Java, J2EE, XML, SQL and Shell/perl Scripting in a UNIX environment. ? Strong analytical & troubleshooting skills.

Collabera

UNIX Engineer

San Francisco, CA

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 ...

Saalex Corp.

Senior Systems Administrator

Camarillo, CA · On-site

$150 - $175/hr

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 ...

Saalex

Senior Systems Administrator

Camarillo, CA · On-site

$150 - $175/hr

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 ...

Gateway Seminary

Network Systems Administrator

Ontario, CA · On-site

$80 - $100/hr

Serve as the lead system administrator for Gateway's core identity, directory, and communication ... Knowledge and experience with PC hardware and software technology, Windows and UNIX operating ...

New

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 ...

Saalex

Senior Systems Administrator

Camarillo, CA

$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 ...

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 ...

Keylent Inc

IT Infrastructure UNIX Engineer

Sunnyvale, CA · On-site

$125K - $164K/yr

Required : • Minimum bachelor's in a computer science/engineering degree or equivalent combination of education and experience. • 6+ years' experience as a UNIX/Linux system administrator across ...

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All JobsUnix System Administrator JobsUnix System Administrator Jobs in California

Unix System Administrator information

See California salary details

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How much do unix system administrator jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for unix system 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 is a Unix system administrator?

A UNIX system administrator performs a variety of duties related to the management of a UNIX system. In this career, your primary responsibilities involve overseeing a work environment with a multi-user UNIX operating system. You help install all new hardware and software on the system and train employees on how to use the system and the applications. You perform system management tasks, such as storing and protecting user data and maintaining security. You also develop user manuals and technical guides for the company.

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

To thrive as a Unix System Administrator, you need a solid understanding of Unix/Linux operating systems, scripting languages (like Bash or Python), and networking fundamentals, typically supported by a degree in computer science or related certifications such as CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA). Familiarity with server management tools, configuration management systems (like Ansible or Puppet), and monitoring solutions is also crucial. Strong problem-solving skills, attention to detail, and effective communication help you collaborate with IT teams and resolve issues efficiently. These technical and interpersonal skills ensure reliable system performance, security, and seamless support for organizational IT infrastructure.

What are some common challenges a Unix system administrator faces when managing large-scale server environments?

Unix System Administrators often encounter challenges related to maintaining uptime, ensuring security, and efficiently handling system updates across multiple servers. Coordinating scheduled maintenance windows without disrupting critical services, troubleshooting hardware or software failures quickly, and scaling systems to accommodate growth all require strong organizational and technical skills. Additionally, admins must stay current with the latest security patches and best practices, often collaborating closely with network engineers, developers, and security teams to keep systems running smoothly.

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

AspectUnix System AdministratorLinux Administrator
CertificationsUnix certifications (e.g., UNIX Certified Administrator)Linux certifications (e.g., RHCSA, LPIC)
Work EnvironmentUnix-based servers, enterprise environmentsLinux servers, data centers, cloud platforms
Industry UsageFinancial, telecommunications, large enterprisesWeb hosting, cloud services, startups

Both roles involve managing and maintaining server systems, but Unix System Administrators focus on Unix-based platforms, while Linux Administrators specialize in Linux environments. The skills and certifications often overlap, but the specific OS expertise differs based on employer needs.

What is the salary of a Unix System Administrator?

The salary of a Unix System Administrator varies based on experience, location, and certifications, but typically ranges from $70,000 to $120,000 annually in the United States. Senior roles or those with specialized skills in scripting, security, or cloud environments can earn higher salaries.
More about Unix System Administrator jobs

What cities in California are hiring for Unix System Administrator jobs?

Cities in California with the most Unix System Administrator job openings:

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

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

Unix System Administrator jobs near you
Infographic showing various Unix System Administrator job openings in California as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $110,141 per year, or $53 per hour.

Journeyman Systems Administrator

Saalex

Camarillo, CA • On-site

$125K - $150K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

Saalex is seeking a Journeyman System Administrator to support the Airborne Instrumentation Division in Camarillo/Naval Air Station Point Mugu, CA. The selected candidate will provide systems administration and cybersecurity support for Windows and UNIX/Linux environments while assisting with Risk Management Framework (RMF), Authority to Operate (ATO), and Information Assurance (IA) activities. This position supports mission-critical systems and requires close coordination with cybersecurity personnel, system owners, engineers, and government stakeholders.
Position Type: Full-Time
Salary: $125k -$150k annually (depending on experience)
Work Location: Onsite - NAS Point Mugu, CA
Essential Functions:
  • Administer and maintain Windows and UNIX/Linux servers and supporting infrastructure.
  • Support RMF documentation activities and system authorization efforts.
  • Assist with development, maintenance, and submission of accreditation documentation.
  • Implement and maintain security controls in accordance with IA and RMF requirements.
  • Perform system patching, STIG implementation, vulnerability remediation, and configuration management activities.
  • Review audit logs, ACAS scan results, and vulnerability reports and implement corrective actions.
  • Support IAVM reporting and continuous monitoring activities.
  • Manage user accounts, permissions, and system access controls.
  • Monitor system performance, availability, capacity, and recoverability.
  • Support installation, configuration, testing, and maintenance of hardware, operating systems, and software applications.
  • Develop and maintain system documentation, diagrams, software inventories, and standard operating procedures.
  • Participate in Configuration Control Board (CCB) activities and change request reviews.
  • Ensure system changes are processed in accordance with Configuration Management Plans (CMPs).
  • Coordinate activities with system owners, cybersecurity personnel, engineers, and government stakeholders.
  • Support logistics, training, and technical documentation efforts.
  • Participate in the Ranges Department IA Enterprise Team and provide support to other organizational elements as required.
  • Other duties as assigned or required.

Requirements
Required:
  • Minimum of 5 years of systems administration experience supporting Windows and/or UNIX/Linux environments.
  • CompTIA Security+ or equivalent DoD-approved Information Assurance certification required.
  • Experience administering servers, implementing patches, troubleshooting systems, and managing software installations and upgrades.
  • Experience supporting cybersecurity requirements, including STIG implementation, vulnerability remediation, and account management.
  • Familiarity with configuration management processes, change control procedures, and technical documentation.
  • Strong troubleshooting, analytical, and communication skills.
  • Ability to work independently and in a team environment.

Desired:
  • Experience supporting RMF and system authorization activities.
  • Experience with ACAS, vulnerability management, and continuous monitoring.
  • Experience supporting enterprise Windows Server and UNIX/Linux operating systems.
  • Experience with automated security and reporting tools.

Education:
High School Diploma or GED required.
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

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