System Administrator Jobs in California
System Administrator jobs in California are among the most active in the country, concentrated in technology, finance, healthcare, and higher education, with openings at every level from junior help-desk crossovers through senior infrastructure engineers. The largest hiring hubs are the San Francisco Bay Area, Los Angeles, and San Diego, where established employers such as Kaiser Permanente, Oracle, and the University of California system maintain ongoing system administrator headcount. Network administration, cloud infrastructure, and cybersecurity-adjacent operations are the most in-demand specialties across the state. Find a role that fits below and apply directly.
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Showing 5 of 56+ System Administrator jobs
IT Network Support Technician, Managed Services
LAN WAN Enterprise
Pay: $25.00 – $30.00 per hour
Job type: Full-time
Location: Based at 17500 Red Hill Ave, Irvine, CA 92614, work is performed at our office or at client sites within a 50-mile radius
About LAN WAN Enterprise
LAN WAN Enterprise is one of Orange County’s leading Managed IT Services and Solutions providers. We support the technology behind dozens of local businesses, and we’re growing. We’re looking for an IT Network Support Technician who can calmly walk a non-technical user through a problem and dig into the server, firewall, or network behind it.
This is built to be a career, not a seat-filler. Our technicians grow into systems and network administration roles, and we invest in the certifications to get you there.
What you’ll do
- Handle and resolve IT support tickets across multiple client accounts, from first response through resolution, keeping clear notes at every step
- Provide day-to-day support to client users across Windows 10/11, macOS, and the Microsoft 365 / Office suite
- Troubleshoot email, connectivity, and application issues, and explain the fix in plain English
- Support and help maintain Windows Server environments and file servers
- Assist with firewall operation, LAN/WAN monitoring, routers, and switches, and watch for security threats
- Run and verify daily network backups
- Help coordinate network and hardware upgrades, including cabling
- Meet response and resolution targets and keep clients updated on ticket status
- Document your work clearly so the whole team stays in sync
What we’re looking for
- 2+ years supporting end users in an IT / MSP or in-house help desk role
- Experience working tickets in a PSA ticketing system, ConnectWise preferred
- Solid grounding in Windows desktop and server, Microsoft 365, and basic networking (routers, switches, firewalls)
- Certifications a strong plus, CompTIA A+/Network+/Security+, Microsoft, or Cisco (we’ll help you earn more)
- Customer-focused, calm under pressure, and well-organized
- Strong written and verbal communication and documentation skills
- A self-starter who solves problems and follows through
- Valid California driver’s license, reliable vehicle, and clean driving record, able to travel to client sites within a 50-mile radius of Irvine (mileage reimbursed)
- Able to pass a nationwide background check
Schedule
- Monday–Friday, day shift (8-hour shifts)
- Work performed at our Irvine office or at client sites within a 50-mile radius, as needed
- Overtime available, occasional evening or weekend work may be needed to support client needs
Benefits
- Health, dental, and vision insurance
- 401(k) with 4% company matching
- Paid time off
- Paid sick time
- Paid federal holidays
- Certification support and a clear path to senior technical roles
Application questions (required)
- In the past 2–3 years, have you worked for a Managed Service Provider (MSP)?
- In the past 2–3 years, what exactly were your day-to-day IT responsibilities?
LAN WAN Enterprise is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, disability, veteran status, or any other protected characteristic.
Job Type: Full-time
Pay: $25.00 - $30.00 per hour
Benefits:
- 401(k)
- Dental insurance
- Health insurance
- Paid time off
- Vision insurance
Application Question(s):
- Do you pass nationwide Background Check ?
Education:
- Associate (Required)
Experience:
- IT & Network Support: 3 years (Required)
Work Location: In person
IT Network Support Technician, Managed Services
LAN WAN Enterprise
Pay: $25.00 – $30.00 per hour
Job type: Full-time
Location: Based at 17500 Red Hill Ave, Irvine, CA 92614, work is performed at our office or at client sites within a 50-mile radius
About LAN WAN Enterprise
LAN WAN Enterprise is one of Orange County’s leading Managed IT Services and Solutions providers. We support the technology behind dozens of local businesses, and we’re growing. We’re looking for an IT Network Support Technician who can calmly walk a non-technical user through a problem and dig into the server, firewall, or network behind it.
This is built to be a career, not a seat-filler. Our technicians grow into systems and network administration roles, and we invest in the certifications to get you there.
What you’ll do
- Handle and resolve IT support tickets across multiple client accounts, from first response through resolution, keeping clear notes at every step
- Provide day-to-day support to client users across Windows 10/11, macOS, and the Microsoft 365 / Office suite
- Troubleshoot email, connectivity, and application issues, and explain the fix in plain English
- Support and help maintain Windows Server environments and file servers
- Assist with firewall operation, LAN/WAN monitoring, routers, and switches, and watch for security threats
- Run and verify daily network backups
- Help coordinate network and hardware upgrades, including cabling
- Meet response and resolution targets and keep clients updated on ticket status
- Document your work clearly so the whole team stays in sync
What we’re looking for
- 2+ years supporting end users in an IT / MSP or in-house help desk role
- Experience working tickets in a PSA ticketing system, ConnectWise preferred
- Solid grounding in Windows desktop and server, Microsoft 365, and basic networking (routers, switches, firewalls)
- Certifications a strong plus, CompTIA A+/Network+/Security+, Microsoft, or Cisco (we’ll help you earn more)
- Customer-focused, calm under pressure, and well-organized
- Strong written and verbal communication and documentation skills
- A self-starter who solves problems and follows through
- Valid California driver’s license, reliable vehicle, and clean driving record, able to travel to client sites within a 50-mile radius of Irvine (mileage reimbursed)
- Able to pass a nationwide background check
Schedule
- Monday–Friday, day shift (8-hour shifts)
- Work performed at our Irvine office or at client sites within a 50-mile radius, as needed
- Overtime available, occasional evening or weekend work may be needed to support client needs
Benefits
- Health, dental, and vision insurance
- 401(k) with 4% company matching
- Paid time off
- Paid sick time
- Paid federal holidays
- Certification support and a clear path to senior technical roles
Application questions (required)
- In the past 2–3 years, have you worked for a Managed Service Provider (MSP)?
- In the past 2–3 years, what exactly were your day-to-day IT responsibilities?
LAN WAN Enterprise is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, disability, veteran status, or any other protected characteristic.
Job Type: Full-time
Pay: $25.00 - $30.00 per hour
Benefits:
- 401(k)
- Dental insurance
- Health insurance
- Paid time off
- Vision insurance
Application Question(s):
- Do you pass nationwide Background Check ?
Education:
- Associate (Required)
Experience:
- IT & Network Support: 3 years (Required)
Work Location: In person
See All 56 System Administrator Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find System Administrator JobsSystem Administrator Jobs by City in California
Where California roles are concentrated, by current openings.
System Administrator Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Healthcare & Medical Services
- Technology & Software
- Electronics & Hardware
- Biotechnology & Pharmaceuticals
- Consulting & Professional Services
What California Employers Look For
The qualifications that appear most often in system administrator jobs across California.
- Bachelor's degree in computer science, information technology, or a related field
- CompTIA A+, Network+, or Security+ certification recognized by California technology employers
- Hands-on experience administering Linux and Windows Server environments
- Proficiency with virtualization platforms such as VMware or Hyper-V
- Experience configuring and maintaining enterprise network hardware and firewalls
- Familiarity with cloud platforms including AWS, Azure, or Google Cloud
System Administrator Jobs in California: Frequently Asked Questions
How do you become a system administrator in California?
California does not require a state-issued license to work as a system administrator, so the path runs through education and vendor credentials. Most California employers expect at least an associate or bachelor's degree in information technology, computer science, or a related field. Earning industry certifications such as CompTIA Network+, Microsoft Certified: Azure Administrator, or Red Hat Certified System Administrator strengthens a candidacy significantly with California's technology-heavy employer base.
How much do system administrators make in California?
System administrators in California earn a median of about $106,440 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $72,400 for the lowest 10% to over $166,730 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire system administrators in California?
Employers hiring system administrators in California right now include Saalex, Raytheon, and AmaWaterways, based on current listings on Migrate Mate as of August 2026. California's density of enterprise technology firms, large health systems, and public university campuses means demand is distributed across the state rather than confined to a single sector.
Which California cities have the most system administrator jobs?
San Diego, Los Angeles, and San Jose account for the most system administrator openings in California. The Bay Area leads because of the concentration of enterprise technology headquarters and cloud-platform companies, while Los Angeles draws demand from media, healthcare, and financial services firms, and San Diego's openings are driven largely by defense contractors and biotech employers.
Are there remote system administrator jobs in California?
Yes, but they're less common than for purely desk-based roles, since system administrators are frequently needed on-site to manage physical hardware and data center infrastructure. About 18% of system administrator openings tied to California are remote or hybrid as of August 2026. The functions most likely to be performed remotely are cloud operations, monitoring, and tier-two support work that does not require physical server access.
How can I get hired as a system administrator in California with little or no experience?
The most realistic entry path is through an IT support or help-desk role, which is how most California system administrators start. Large California employers such as the UC system, Kaiser Permanente, and Northrop Grumman hire entry-level IT support associates and often promote from within. Earning a CompTIA A+ or Network+ certification before applying gives candidates a concrete edge, and community college IT programs throughout California offer accelerated pathways that California public employers and health systems actively recruit from.
Where can I find and apply to system administrator jobs in California?
You can find and apply to system administrator jobs in California on Migrate Mate, which lists current openings from California employers. Search the listings, find roles that match your experience and location, and apply directly to the ones that fit.
See All 56 System Administrator Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
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