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Unix System Administrator Jobs in California (NOW HIRING)

Anritsu

Sr. Systems Administrator

Morgan Hill, CA

$135K - $185K/hr

As a Sr. Systems Administrator based in Morgan Hill, CA we are looking for a candidate with a ... Unix system administration experience; understanding and working knowledge of layered products ...

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 ...

Anritsu Company

Sr. Systems Administrator

Morgan Hill, CA · On-site

$135K - $185K/yr

As a Sr. Systems Administrator based in Morgan Hill, CA we are looking for a candidate with a ... Unix system administration experience; understanding and working knowledge of layered products ...

VBeyond

Linux/Unix administration

San Jose, CA · On-site

Utilize monitoring and log analysis systems to identify workflow patterns dependencies and ... Unix administration with emphasis on RedHat * 3 years of scripting experience Python Bash etc

New

iQuasar LLC

System Admin

San Diego, CA · On-site

$25 - $35/hr

iQuasar is seeking to fill an Systems Administrator in San Diego, CA. At iQuasar, we strive to ... Advanced LINUX/Unix-based system administration and security hardening experience * Clearance:

IQUASAR LLC

System Admin

San Diego, CA

$25 - $35/hr

iQuasar is seeking to fill an Systems Administrator in San Diego, CA. At iQuasar, we strive to ... Advanced LINUX/Unix-based system administration and security hardening experience * Clearance:

Apply Early

Bowhead

Linux SME

Corona, CA

Responsibilities Install, configure, administer, and maintain Linux operating systems (RHEL, CentOS ... CKA) GIAC Certified UNIX Security Administrator (GCUX) SECURITY CLEARANCE REQUIREMENTS: Must ...

General Atomics

Systems Administrator II

San Diego, CA · On-site

$71K - $109K/yr

... Unix operating systems. Will have primary technical focus on Atlassian suite (front-end and ... Guides and develops the plan for the implementation of system changes or upgrades including ...

Adobe

Sr. Cloud Platform Engineer

San Jose, CA · On-site

As an Infrastructure Administrator, this person is responsible for the daily administration of Linux and Unix servers in a business application environment. This includes general system ...

Bowhead

Linux SME

Corona, CA · On-site

Responsibilities • Install, configure, administer, and maintain Linux operating systems (RHEL ... • GIAC Certified UNIX Security Administrator (GCUX). SECURITY CLEARANCE REQUIREMENTS: Must ...

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Unix System Administrator information

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How much do unix system administrator jobs pay per hour?

As of Jul 1, 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 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 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 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 are the key skills and qualifications needed to thrive as a Unix System Administrator, and why are they important?

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 Unix System Administrators?

Unix System Administrators are IT professionals responsible for installing, configuring, maintaining, and troubleshooting Unix-based servers and systems. They manage user accounts, system security, software updates, backups, and system performance. Their role is crucial in ensuring that enterprise servers and networks run efficiently and securely. Unix System Administrators also provide support for users and help resolve technical issues related to Unix operating systems.
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 June 2026, with employment types broken down into 70% Full Time, 17% Part Time, 4% Temporary, and 9% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $110,141 per year, or $53 per hour.

Sr. Systems Administrator

Anritsu

Morgan Hill, CA

$135K - $185K/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 16 days ago

Job description

Anritsu is a provider of innovative communications test and measurement solutions. Anritsu engages customers as true partners to help develop wireless, optical, microwave/RF, and digital solutions for R&D, manufacturing, installation, and maintenance applications, as well as multidimensional service assurance solutions for network monitoring and optimization. Anritsu also provides precision microwave/RF components, optical devices, and high-speed electrical devices for communication products and systems. The company develops advanced solutions for emerging and legacy wireline and wireless technologies used in commercial, private, military/aerospace, government, and other markets. To learn more visit www.anritsu.com and follow Anritsu on Facebook, LinkedIn, Twitter, and YouTube.

Anritsu is committed to providing a comprehensive and competitive benefits package to all employees. We offer standard benefits such as major medical, vision and dental coverage, life insurance, Employee Assistance Plan, Flexible Spending Accounts, a generous 401(k) Matching Plan, Tuition Reimbursement, and profit sharing. Our benefit package is designed to positively impact all aspects of your life; to help you and your family succeed; and to maintain our status as a “perfect job.” Come find out what Anritsu has to offer you!

As a Sr. Systems Administrator based in Morgan Hill, CA we are looking for a candidate with a passion for working with engineering teams. These are teams of hardware and software engineers who love what they do and need tools and systems to help them get their jobs done. They want a partner they can count on to help identify and implement solutions. They are looking for someone who will understand their processes and look for creative ways to help them accomplish their goals. Of course, they need someone who will help keep their systems running because they need them to get new products to our customers!

Key Responsibilities include:

  • Server Maintenance
  • Administration of Software Platforms
  • Serve as the primary liaison to the rest of the IS&T Team for the Engineering Teams
  • Work with the Service Desk Team to ensure Tier 1 support is knowledgeable in supported areas
  • This position will be reporting to the Service Desk Manager based in Morgan Hill, California

Requirements:

  • BS degree in IT/IS/CSE or equivalent work experience
  • 5+ years Windows and/or Unix system administration experience; understanding and working knowledge of layered products, networking, and software development
  • Excellent project management, communications, customer service and teamwork skills, including the ability to document systems, change management and business requirements
  • Ability to be on call and to respond to emergency issues during off hours
  • Ability to occasionally travel to off-site locations to install equipment
  • Ability to lift 50lb
  • Experience with any of the following tools and technologies is a plus:
    VMWare, GitLab, Jenkins, Jira, TestRail, PRTG, MS SQL, Active Directory, Windows server, Linux (Ubuntu preferably), Ansible, FlexLM Licensing, SolidWorks, Siemens PADS Suite/DxDesigner, Ansys HFSS, Scripting (Bash, Python, Groovy), Docker, LXC, Kubernetes, Helm, and operations management tools. Understanding of SDLC and experience with CI pipelines.

The annual base salary range for this position is $135,000 - $185,000. Please note that the salary information is a general guideline only. Anritsu Company considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/ training, key skills as well as market and business considerations when extending an offer.

Why work at Anritsu? Please visit us on Comparably to see what our employees love about working here!

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