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Linux Unix System Administrator Jobs in California

Alkaeus

Unix/Linux Systems Administrator

San Jose, CA · On-site

Must-Have Requirements : * 12+ years of hands-on Infrastructure Engineering with deep expertise in Unix/Linux administration, enterprise infrastructure, and AWS cloud platform (EC2, VPC, IAM, EBS ...

Bridge Defense

Linux System Administrator

San Diego, CA · On-site

$140K - $155K/yr

Bridge Defense seeks a Linux Systems Administrator to support the N6 IT Fleet Weather Center San Diego (FWCSD) department as it relates to system administration requirements and compliance. FWC-SD ...

Meissner Filtration Products

Meissner Corporation is seeking an AI Systems Administrator to own and evolve the systems that host our AI tooling and services. You will deploy, operate, and optimize Linux-based infrastructures ...

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All JobsLinux Unix System Administrator JobsLinux Unix System Administrator Jobs in California

Linux Unix System Administrator information

See California salary details

$78.5K

$118.1K

$197.9K

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

As of Aug 5, 2026, the average yearly pay for linux unix system administrator in California is $118,067.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,700.00 and $126,800.00 per year, depending on experience, location, and employer.

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

To thrive as a Linux/Unix System Administrator, you need expertise in system installation, configuration, troubleshooting, scripting (such as Bash or Python), and a solid understanding of networking and security principles, often backed by a degree in computer science or a related field. Familiarity with tools like Ansible, Puppet, Nagios, and commonly used distributions, plus certifications such as RHCSA or CompTIA Linux+, is highly valued. Strong problem-solving, analytical thinking, and effective communication skills help administrators excel in managing systems and collaborating with technical teams. These competencies are essential to maintain robust, secure, and efficient server environments critical to business operations.

What are some common challenges faced by Linux Unix system administrators, and how can they be addressed?

Linux Unix System Administrators often encounter challenges such as managing system uptime, applying timely security patches, and troubleshooting unexpected performance issues. Balancing routine maintenance with urgent incidents can be demanding, especially in environments with 24/7 operations. To address these challenges, administrators typically rely on automation tools, proactive monitoring, and clear communication within their IT teams. Staying current with documentation and best practices also helps streamline problem-solving and ensures system reliability.

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

AspectLinux Unix System AdministratorNetwork Administrator
CertificationsLinux/Unix certifications (e.g., LPIC, RHCE)Network certifications (e.g., CCNA, CompTIA Network+)
Work EnvironmentServers, data centers, cloud platformsNetworking hardware, routers, switches, firewalls
Primary ResponsibilitiesManaging Linux/Unix servers, scripting, system securityConfiguring and maintaining network infrastructure
Industry UsageIT, data centers, cloud servicesTelecommunications, enterprise networks

The Linux Unix System Administrator focuses on managing and maintaining Linux and Unix servers, ensuring system security and performance. In contrast, the Network Administrator primarily handles network infrastructure, including routers and switches, to ensure reliable connectivity. Both roles require technical certifications and are vital in IT and enterprise environments, but they specialize in different aspects of technology infrastructure.

What is a Linux Unix system administrator?

Linux Unix System Administrators are IT professionals responsible for installing, configuring, maintaining, and troubleshooting Linux and Unix-based servers and systems. They ensure that these systems run efficiently, securely, and reliably for users and applications. Their duties often include user account management, system updates, monitoring system performance, implementing security measures, and performing regular backups. They play a critical role in supporting business operations that depend on stable and secure computing environments.
What are popular job titles related to Linux Unix System Administrator jobs in CA? For Linux Unix System Administrator jobs in CA, the most frequently searched job titles are:
Linux Unix System Administrator jobs near you
Infographic showing various Linux Unix System Administrator job openings in California as of July 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 1% Temporary, and 3% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $118,067 per year, or $56.8 per hour.

Linux (Cloud) Systems Administrator

SolGenie

Santa Clara, CA • On-site

Full-time

Re-posted 15 days ago

Job description

We have contract Onsite opportunity for Linux (Cloud) Systems Administrator in Santa Clara, CA (Onsite)
Role : Linux (Cloud) Systems Administrator
Location: Santa Clara, CA (Onsite)
Term: Long Term
Responsibilities:
  • Linux Administration:
    • Demonstrated experience in installing, configuring, and upgrading Linux systems and servers.
    • Expertise in Linux OS administration across Ubuntu, CentOS, and RedHat.
    • Strong knowledge in Linux server support, troubleshooting, and storage implementation.
    • Proven experience in risk-based systems running on UNIX/Linux platforms, including OS clustering, partitioning, and virtualization.
    • Hands-on experience with day-to-day UNIX/Linux OS installation, migration, and break-fix support.
  • Cloud & Virtualization:
    • Experience with cloud platforms such as AWS, Azure, or Google Cloud.
    • Ability to deploy, configure, and maintain cloud-based Linux environments.
    • Strong knowledge of containerization (Docker, Kubernetes) and cloud automation tools (Terraform, Ansible, CloudFormation).
    • Support and manage VMware 6.5/6.7 cluster environments.

Soft skills:
  • Critical thinker/problem solver - should come up with solutions, not just problems.
  • Self-motivated and responsible, works independently and part of the remote team well.
  • Good communication skills.

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