Senior Systems Administrator Jobs in California
Senior Systems Administrator jobs in California are among the most active in the country, with strong demand concentrated in enterprise technology, defense contracting, cloud infrastructure, and higher education. The largest hiring centers are the San Francisco Bay Area, Los Angeles, and San Diego, where employers like Northrop Grumman, Kaiser Permanente, and the University of California system maintain large IT operations. The most in-demand specialties are cloud platform administration, identity and access management, and enterprise network systems. Find a role that fits below and apply directly.
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Showing 5 of 71+ Senior Systems Administrator jobs
Travel to company offices required as needed
Proceed Legal is seeking an IT Support & Systems Administrator to provide responsive technical support and help maintain reliable, secure technology across our offices. This role combines hands-on help desk support with systems administration, device management, and networking.
We’re looking for someone who enjoys solving problems, communicates clearly, and takes ownership of issues from initial request through resolution. Candidates must be based in the Los Angeles area and able to travel to all company offices as needed.
What You’ll Do
- Provide onsite and remote technical support for employees, troubleshooting hardware, software, account access, connectivity, and peripheral issues.
- Manage support requests through Jira, keeping tickets organized and employees informed.
- Administer and support Microsoft 365 and Microsoft Office applications, including Outlook, Teams, Word, and Excel.
- Configure, deploy, and manage Windows devices using Microsoft Intune and Windows Autopilot.
- Support employee onboarding and offboarding, including workstation setup, account provisioning, access changes, and equipment recovery.
- Perform day-to-day systems administration, including updates, troubleshooting, and access management.
- Troubleshoot wired and wireless networks, including TCP/IP, DNS, DHCP, VLANs, and VPN connectivity.
- Configure, maintain, and troubleshoot Ubiquiti network hardware, including access points, switches, and gateways.
- Support Fortinet FortiClient VPN connections and FortiGate firewalls.
- Maintain clear technical documentation, equipment inventories, and support procedures.
- Travel to company offices for installations, maintenance, troubleshooting, and other onsite support needs.
What You’ll Bring
- Professional experience in IT help desk or desktop support, with hands-on systems administration experience.
- Experience with Jira and the Atlassian product suite.
- Strong working knowledge of Microsoft 365, Microsoft Office applications, and Windows operating systems.
- Hands-on experience with Microsoft Intune and Windows Autopilot.
- Practical networking experience and a methodical approach to troubleshooting.
- Experience supporting Ubiquiti networking hardware.
- Experience with Fortinet VPN clients and firewalls.
- Strong customer service skills and the ability to explain technical issues in straightforward language.
- The ability to prioritize competing requests, work independently, and follow through on commitments.
- Careful attention to security, confidentiality, and proper handling of company information.
- Residence in the Los Angeles area and availability to travel to all company offices as needed.
Preferred Qualifications
- Experience supporting multiple office locations.
- Experience in a legal or professional services environment.
- Familiarity with Microsoft Entra ID, Active Directory, and identity and access management.
- Experience maintaining knowledge bases and documentation in Confluence.
- Relevant Microsoft, networking, or IT support certifications.
Benefits
- Proceed Offers Our Team Members Excellent Benefits
- Diverse, affordable healthcare options
- Company-matched 401(k) contributions
- Generous paid time off beginning on your start date
- Company-paid life and disability insurance
- Flexible Spending Account (FSA) and Health Savings Account (HSA) options
- Employee Assistance Program (EAP)
- Comprehensive training and opportunities for career growth
Pay: $85,000.00 - $100,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Employee assistance program
- Flexible spending account
- Health insurance
- Health savings account
- Life insurance
- Paid time off
- Vision insurance
Application Question(s):
- briefly describe your IT support, systems administration, and networking experience.
Experience:
- Microsoft Entra ID: 1 year (Preferred)
- Active Directory: 1 year (Preferred)
- identity and access management: 1 year (Preferred)
Location:
- Los Angeles, CA (Required)
Willingness to travel:
- 50% (Preferred)
Work Location: Remote
Travel to company offices required as needed
Proceed Legal is seeking an IT Support & Systems Administrator to provide responsive technical support and help maintain reliable, secure technology across our offices. This role combines hands-on help desk support with systems administration, device management, and networking.
We’re looking for someone who enjoys solving problems, communicates clearly, and takes ownership of issues from initial request through resolution. Candidates must be based in the Los Angeles area and able to travel to all company offices as needed.
What You’ll Do
- Provide onsite and remote technical support for employees, troubleshooting hardware, software, account access, connectivity, and peripheral issues.
- Manage support requests through Jira, keeping tickets organized and employees informed.
- Administer and support Microsoft 365 and Microsoft Office applications, including Outlook, Teams, Word, and Excel.
- Configure, deploy, and manage Windows devices using Microsoft Intune and Windows Autopilot.
- Support employee onboarding and offboarding, including workstation setup, account provisioning, access changes, and equipment recovery.
- Perform day-to-day systems administration, including updates, troubleshooting, and access management.
- Troubleshoot wired and wireless networks, including TCP/IP, DNS, DHCP, VLANs, and VPN connectivity.
- Configure, maintain, and troubleshoot Ubiquiti network hardware, including access points, switches, and gateways.
- Support Fortinet FortiClient VPN connections and FortiGate firewalls.
- Maintain clear technical documentation, equipment inventories, and support procedures.
- Travel to company offices for installations, maintenance, troubleshooting, and other onsite support needs.
What You’ll Bring
- Professional experience in IT help desk or desktop support, with hands-on systems administration experience.
- Experience with Jira and the Atlassian product suite.
- Strong working knowledge of Microsoft 365, Microsoft Office applications, and Windows operating systems.
- Hands-on experience with Microsoft Intune and Windows Autopilot.
- Practical networking experience and a methodical approach to troubleshooting.
- Experience supporting Ubiquiti networking hardware.
- Experience with Fortinet VPN clients and firewalls.
- Strong customer service skills and the ability to explain technical issues in straightforward language.
- The ability to prioritize competing requests, work independently, and follow through on commitments.
- Careful attention to security, confidentiality, and proper handling of company information.
- Residence in the Los Angeles area and availability to travel to all company offices as needed.
Preferred Qualifications
- Experience supporting multiple office locations.
- Experience in a legal or professional services environment.
- Familiarity with Microsoft Entra ID, Active Directory, and identity and access management.
- Experience maintaining knowledge bases and documentation in Confluence.
- Relevant Microsoft, networking, or IT support certifications.
Benefits
- Proceed Offers Our Team Members Excellent Benefits
- Diverse, affordable healthcare options
- Company-matched 401(k) contributions
- Generous paid time off beginning on your start date
- Company-paid life and disability insurance
- Flexible Spending Account (FSA) and Health Savings Account (HSA) options
- Employee Assistance Program (EAP)
- Comprehensive training and opportunities for career growth
Pay: $85,000.00 - $100,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Employee assistance program
- Flexible spending account
- Health insurance
- Health savings account
- Life insurance
- Paid time off
- Vision insurance
Application Question(s):
- briefly describe your IT support, systems administration, and networking experience.
Experience:
- Microsoft Entra ID: 1 year (Preferred)
- Active Directory: 1 year (Preferred)
- identity and access management: 1 year (Preferred)
Location:
- Los Angeles, CA (Required)
Willingness to travel:
- 50% (Preferred)
Work Location: Remote
See All 71 Senior Systems Administrator Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find JobsSenior Systems Administrator Jobs by City in California
Where California roles are concentrated, by current openings.
Senior Systems Administrator Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Technology & Software
- Science & Research
- Education
- Food & Beverage
- Staffing & Recruiting
What California Employers Look For
The qualifications that appear most often in senior systems administrator jobs across California.
- Bachelor's degree in computer science, information technology, or a related technical field
- Five or more years of hands-on systems administration experience in enterprise environments
- Active certifications such as RHCSA, Microsoft Certified: Azure Administrator, or CompTIA Linux+
- Proficiency with virtualization platforms including VMware vSphere or Microsoft Hyper-V
- Experience managing Active Directory, group policy, and identity and access management systems
- Familiarity with cloud environments such as AWS, Azure, or Google Cloud Platform
Senior Systems Administrator Jobs in California: Frequently Asked Questions
How do you become a senior systems administrator in California?
Most senior systems administrators in California reach the role through a combination of a bachelor's degree in computer science or information technology and several years of progressively responsible IT experience. California does not require a state-issued license for this role, but employers consistently expect vendor-backed credentials such as RHCSA, CompTIA Linux+, or Microsoft Certified: Azure Administrator. Large California employers in defense, healthcare, and higher education also look for experience with security frameworks and enterprise infrastructure at scale.
How much do senior systems administrators make in California?
Senior systems 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 senior systems administrators in California?
Employers hiring senior systems administrators in California right now include Northrop Grumman, Saalex, and AMERICAN SYSTEMS, based on current listings on Migrate Mate as of November 2026. California's concentration of defense contractors, major health systems, and large public universities means demand is consistent across both the private and public sectors.
Which California cities have the most senior systems administrator jobs?
Los Angeles, San Diego, and San Francisco have the most senior systems administrator openings in California. The Bay Area leads because of its dense concentration of enterprise technology companies and cloud infrastructure operations, while Los Angeles draws volume from entertainment, aerospace, and healthcare employers, and San Diego's openings are heavily shaped by defense contractors and biotech firms that maintain large on-premises and hybrid IT environments.
Are there remote senior systems administrator jobs in California?
Yes, but they're less common than in purely desk-based roles because senior systems administrators are often needed on-site to manage physical hardware, data centers, and network infrastructure. About 29% of senior systems administrator openings tied to California are remote or hybrid as of November 2026, and those positions tend to focus on cloud platform management, monitoring, and configuration work that does not require physical access.
How can I get hired as a senior systems administrator in California with little or no experience?
The most realistic entry path is starting as a systems administrator I or IT support specialist and building toward the senior level over time. California's large public university system, county government IT departments, and health systems like Dignity Health and Kaiser Permanente regularly hire entry-level administrators and offer internal advancement paths. Earning a foundational credential such as CompTIA A+ or Google IT Support Certificate, then progressing to a Linux or cloud certification, signals readiness to California hiring managers even without years of enterprise experience.
Where can I find and apply to senior systems administrator jobs in California?
You can find and apply to senior systems administrator jobs in California on Migrate Mate, which lists current California openings across industries and metro areas. Search for roles that match your experience level and specialization, then apply directly to the ones that fit.
See All 71 Senior Systems Administrator Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
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