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Entry Level Linux System Administrator Jobs in Fullerton, CA

Cosm

System Administrator

Los Angeles, CA · On-site

$60 - $70/hr

Cosm is looking for a Senior Systems Administrator to keep our creative infrastructure running ... Expert knowledge of Windows, Mac, and Linux administration; comfortable in terminal/shell ...

OffWorld

Linux Engineer

Pasadena, CA · On-site

$120 - $180/hr

As a Robotics Linux Systems Administrator, you will be responsible for designing, implementing, and maintaining the Linux-based infrastructure that supports our robotics systems. You will collaborate ...

Antares

Systems Administrator

Los Angeles, CA · On-site

$85K - $120K/yr

Deploy, configure, maintain, patch, and decommission Windows and macOS endpoints; support Linux ... the system * Obsess over the End User - The customer and end user are often not the same. We will ...

Antaresindustries

Systems Administrator

Los Angeles, CA · On-site

$60 - $80/hr

Deploy, configure, maintain, patch, and decommission Windows and macOS endpoints; support Linux ... the system * Obsess over the End User - The customer and end user are often not the same. We will ...

Antares, LLC

Systems Administrator

Los Angeles, CA

Deploy, configure, maintain, patch, and decommission Windows and macOS endpoints; support Linux ... the system * Obsess over the End User - The customer and end user are often not the same. We will ...

TriCom Quest

Be Seen First

IT Systems Administrator

Cypress, CA · On-site

$33.65 - $36/hr

Monitor system performance and recommend improvements. * Maintain IT infrastructure, network ... entry level to executive leadership. Our mission is to connect employers with the right talent--and ...

TecTammina

Senior Systems Administrator

Irvine, CA · On-site

$92K - $125K/yr

... Linux /Ubuntu/CentOS administration of 200+ servers on Enterprise level Administration of ... Automation of tools for monitoring, process and documentation System security techniques and best ...

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Entry Level Linux System Administrator information

See Fullerton, CA salary details

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$54

$78

How much do entry level linux system administrator jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for entry level linux system administrator in Fullerton, CA is $54.21, according to ZipRecruiter salary data. Most workers in this role earn between $42.88 and $65.19 per hour, depending on experience, location, and employer.

What does an entry level Linux system administrator do?

An entry-level Linux system administrator focuses on the maintenance and optimization of the network of an organization or business running on the Linux operating system. Your primary duties in this career involve maintaining software instead of hardware. Your responsibilities also include keeping it up to date with the latest updates and ensuring its security against hackers. Training new users is often a part of your job as well. Individuals in this position provide support to a senior team member and technical help for others. Opportunities exist in a myriad of industries.

What are the key skills and qualifications needed to thrive as an entry level Linux system administrator?

To thrive as an Entry Level Linux System Administrator, you need a solid understanding of Linux operating systems, basic networking, and scripting fundamentals, typically backed by a relevant degree or coursework. Familiarity with command-line interfaces, shell scripting, and tools like SSH, as well as certifications such as CompTIA Linux+ or LPIC-1, are highly valuable. Strong problem-solving skills, attention to detail, and the ability to communicate technical information clearly help you excel in this role. These skills ensure reliable system performance, efficient troubleshooting, and effective collaboration in IT environments.

What are some typical challenges faced by entry level Linux system administrators, and how can they prepare for them?

Entry level Linux system administrators often face challenges such as troubleshooting unfamiliar issues, managing time effectively during multiple support requests, and understanding the complexities of different Linux distributions. To prepare, it's helpful to build a strong foundation in command-line tools, practice reading system logs, and familiarize yourself with common administrative tasks like user management and system updates. Collaborating with more experienced team members and actively participating in documentation and knowledge sharing can also accelerate learning and confidence in the role.

What is the difference between Entry Level Linux System Administrator vs Linux Support Technician?

AspectEntry Level Linux System AdministratorLinux Support Technician
CertificationsLinux+, LPIC-1Linux+, CompTIA A+
Work EnvironmentData centers, server rooms, cloud environmentsHelp desks, technical support centers
ResponsibilitiesServer setup, maintenance, user managementIssue troubleshooting, user support, software installation
Industry UsageIT companies, hosting providers, cloud services

The Entry Level Linux System Administrator focuses on managing Linux servers and infrastructure, while the Linux Support Technician primarily handles end-user support and troubleshooting. Both roles require similar certifications but differ in daily tasks and work environments, with the administrator working more on backend systems and the technician providing front-line support.

More about Entry Level Linux System Administrator jobs

What are the most commonly searched types of Linux System Administrator jobs in Fullerton, CA?

The most popular types of Linux System Administrator jobs in Fullerton, CA are:

What cities near Fullerton, CA are hiring for Entry Level Linux System Administrator jobs?

Cities near Fullerton, CA with the most Entry Level Linux System Administrator job openings:

Entry Level Linux System Administrator jobs near you
Infographic showing various Entry Level Linux System Administrator job openings in Fullerton, CA as of August 2026, with employment types broken down into 77% Full Time, and 23% Part Time. Highlights an 100% In-person job distribution, with an average salary of $112,758 per year, or $54.2 per hour.

Security System Administrator

West Advanced Technologies (WATI)

Norwalk, CA • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Security System Administrator
Norwalk, CA
12+ months
Required Skills/Exp:
Minimum of five (5) years of IT experience. Previous experience as a system administrator or comparable role for a large-sized company.
Previous experience working with information security and evaluating, implementing, and recommending solutions.
Previous work experiencing supporting and maintaining a virtual server environment with VMWare. Previous work experience supporting a network made up of network switches.
Previous work experience supporting, designing, and maintaining backup systems.
Previous work experience investigating and assisting with network security issues.
Previous experience implementing and troubleshooting of SCAP in multiple flavors of Linux operating systems.
Previous experience implementing and ongoing administration of networks conforming to NIST 800-171 and/or NIST 800-53 Cybersecurity Frameworks (CF).
Two (2) years of experience implementing and managing air-gapped computer systems networks in Department of Defence Acquisition Rules (DFARS) or Industrial Control Systems Environments (ICSE). Two (2) years of experience in managing and administering various Secure Event Information Management (SEIM) software platforms.
Two (2) years of experience installing, configuring, administering ration, and troubleshooting of Carbon Black Security Software.
Two (2) years of experience years administering ClearPass server.
Two (2) years of experience implementing and managing Security Requirements for FIPS 140-1/2/3 Cryptographic Modules (CM).
Requires the possession of (a) bachelor's degree in Computer Science or related field.
Professional Certifications for Information Technology (examples MCSE, VMWare Certified Professional, etc.) - strongly desired.
IT Security Certifications (i.e., CISSP, CISM, etc.) - highly desired.
Regards
Naresh Damagalla
West Advanced Technologies, Inc
E: naresh.d@wati.com

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