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68 network administrator jobs at 58 companies in San Clemente, CA

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Network Administrator
Santa Fe Springs, California, United States
$125k-$160k/yr OnsiteFull Time
Gelson's
Gelson's: Upscale supermarket chain offering premium groceries and prepared foods.
4+ YOE4+ years enterprise network administration, bachelor or equivalent, experience with Arista and Meraki, VLANs/routing/VPNs, monitoring tools, CCNA/Arista ACE/Network+ preferred.
Arista, Meraki, Arista CloudVision, Meraki Dashboard, WhatsappGold, SolarWinds
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1mo
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Network Administrator
Irvine, California, United States
OnsiteFull Time
American Vanguard
American VanguardNYSE: AVD: Produces and sells specialty agricultural and environmental chemicals.
3+ YOE3+ years network administration experience managing multi-site WAN/SD-WAN, firewalls, routing/switching; familiarity with SD-WAN, cloud networking, carrier coordination, ITIL processes, and on-call support.
SD-WAN, Azure Virtual Network, ExpressRoute, Cisco Meraki, Fortinet, VeloCloud, SolarWinds, PRTG, Cisco DNA Center, BGP, OSPF, MPLS, TCP/IP, DNS, DHCP, VPN
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1w
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Network Administrator Sr.
Riverside, California, United States
OnsiteFull Time
Provident Savings Bank
Provident Savings BankNASDAQ: PROV: Community bank providing personal, business, and mortgage banking services.
7+ YOERequires 7+ years of IT experience, 4+ years in network or system administration, CompTIA Server+ or Network+ or equivalent, CA driver's license, and experience with Windows Server, networking, security, and PowerShell.
Windows Server, Active Directory, SAN, TCP/IP, DNS, DHCP, VPN, PowerShell, Firewalls, IDS, Endpoint Protection, IPS
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5d
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Senior Network Administrator
Tustin or Sacramento
$42-$64/hr HybridFull Time
SchoolsFirst Federal Credit Union
SchoolsFirst Federal Credit Union: Provides financial banking and lending services to members.
3+ YOEHigh school diploma or GED, bachelor's degree or equivalent experience, and 3–5 years of network infrastructure experience. CCNA Routing and Switching required; on-call, travel, and network expertise required.
Cisco, SD-WAN, ITSM, Python, Ansible, Live Action, Thousand Eyes, SolarWinds, Aruba, SNMP, TCP/IP, VLAN, NAT, QoS, DHCP, DNS, IPsec, EIGRP, OSPF, BGP, HSRP, MPLS
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1mo
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District Network Systems Administrator
Mission Viejo, California, United States
$9k-$13k/mo OnsiteFull Time
South Orange County Community College District
South Orange County Community College District: Provides higher education and vocational training in Southern California.
4+ YOEAdminister and maintain district LAN/WAN, design network solutions, troubleshoot network issues, prepare technical specifications, and collaborate with campus network administrators.
Windows, Linux, network management software, web server software, anti-virus servers
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Network & Infrastructure Administrator
Rancho Dominguez, California, United States
OnsiteFull Time
IDEMIA
IDEMIA: Identity and security solutions using biometrics and cryptography.
Installs and maintains operating systems, servers, virtualisation, network devices and backup systems; troubleshoots issues, follows change management and documents activities; supports governance and security standards.
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1mo
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Network Security Administrator
Tustin, California, United States
$150k-$180k/yr OnsiteFull Time
Design West Technologies
Design West Technologies: Designs and manufactures aerospace and defense electro-mechanical systems.
5+ YOE5–8 years in network/systems/cybersecurity; hands-on Palo Alto (NGFW, Prisma Access, Cortex XDR); Microsoft Windows Server, Linux, Microsoft Azure, Microsoft Entra ID; CMMC Level 2/NIST SP 800-171 knowledge; active or obtainable Secret clearance.
Palo Alto Networks, NGFW, Prisma Access, Cortex XDR, Microsoft Windows Server 2016\u00092022, Linux, Microsoft Azure, Microsoft Entra ID, Microsoft Active Directory, PowerShell, Bash
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1mo
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Senior IT Network and Security Administrator Engineer
Placentia, California, United States
$100k-$135k/yr OnsiteFull Time
Arlon Graphics
Arlon Graphics: Manufactures pressure-sensitive vinyl films for signage and vehicle graphics.
7+ YOEBachelor's degree in computer science,7+ years relevant experience,knowledge of networks,Windows servers,VMware,Active Directory,network security,backup and disaster recovery,telecom,ITIL and strong communication skills.
VMware, Active Directory, Microsoft Outlook, Mimecast, Avaya
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2mo
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
AstroForge
AstroForge: Mines and refines valuable minerals from near-Earth asteroids.
3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.
macOS, Windows, Linux, routing, switching, VPNs, firewalls, wireless, Active Directory, Azure AD, Okta, AWS, GCP, Azure, Google Workspace, Microsoft 365, Slack, Zoom, GitHub, Bash, PowerShell, Python, Jamf, Intune, NIST CSF, CIS Controls, CompTIA Security+, Network+
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14h
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Network Specialist (In Person)
Costa Mesa, California, United States
OnsiteContract
360S2G
360S2G: Provides SaaS ERP and billing software for utility providers.
Requires Cisco Catalyst switch administration and expert Palo Alto firewall management, with experience maintaining routing, VLAN, QoS, wireless, and IoT network infrastructure.
Cisco Catalyst, Palo Alto, OSPF, BGP, VLAN, QoS
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8h
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Systems Administrator
Brea, California, United States
$85k-$120k/yr OnsiteFull Time
Air Treatment Corporation
Air Treatment Corporation: Sells and services commercial HVAC and refrigeration systems.
Bachelor's degree or equivalent experience, systems administration experience, Windows Server, Hyper-V, networking, security, cloud platforms, scripting, Active Directory, backups, and on-call support.
Windows Server, Windows Hyper-V, AWS, Azure, Bash, PowerShell, Python, Active Directory, Group Policy, Microsoft Certified Solutions Expert (MCSE)
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IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
CTC Global
CTC Global: Manufactures advanced composite cores for high-voltage electricity transmission cables.
7+ YOE7+ years systems administration and infrastructure experience supporting Windows Server, virtualization, cloud, networking and OT (PLCs/SCADA); Bachelor\u0002s or equivalent experience; preferred networking and security certifications.
Windows Server, Active Directory, DNS, DHCP, VMware, Hyper-V, Azure, Microsoft M365, PLCs, SCADA, HMI, TCP/IP, VLANs, Firewall, VPN
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1mo
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Sr Linux Administrator
Long Beach, California, United States
$103k-$155k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
6+ YOE6+ years Linux and Windows systems administration experience; expertise in Linux administration, Active Directory/DNS/DHCP, enterprise backups; networking troubleshooting; automation and documentation skills.
Azure, GCP, Active Directory, DNS, DHCP, Veeam, Commvault, Rubrik, Ansible, Puppet, Terraform, Bash, Python, PowerShell
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Senior Systems Administrator
Anaheim, California, United States
$85k-$105k/yr OnsiteFull Time
Quantum Electronic Payments
Quantum Electronic Payments: Provides payment processing solutions and merchant services for businesses.
5+ YOE5+ years systems administration experience with Microsoft 365, Active Directory, Windows, networking, endpoint security, backups, and documentation; strong troubleshooting and communication skills.
Microsoft 365, Active Directory, Windows, DNS, DHCP, VPN, PowerShell, SIEM, EDR/MDR
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2mo
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Network Infrastructure Engineer (23587)
Rancho Cucamonga, California, United States
$118k-$170k/yr HybridFull Time
Sumitomo Rubber North America
Sumitomo Rubber North AmericaTokyo Stock Exchange: 5110: Manufactures and distributes high-performance tires for cars and motorcycles.
6+ YOE5-7 years in network administration/engineering; BS in CS/IT or related field or equivalent experience; TCP/IP, routing, switching, VLANs; routers/switches/firewalls; VPNs and ACLs; Python for automation; AWS/Azure; Linux; occasional overnight travel.
Palo Alto firewalls, VPN, Cisco Meraki, Cisco switching, AWS, Azure, Linux, Python
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1w
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IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
Evans Manufacturing
Evans Manufacturing: A manufacturing supporting IT infrastructure across its operations.
2+ YOERequires 2+ years in Windows systems or network administration and two or more relevant certifications, such as CompTIA A+, CompTIA Network+, MCSA, or CCNA. Bachelor's degree or equivalent experience desired.
Active Directory, Entra ID, Hyper-V, VMware, Microsoft 365, Zoom Phone, Contact Center, Google Workspace, Windows Server, OS X, Linux, UniFi Access Points, UniFi Cameras, Checkpoint Harmony Endpoint Protection, Checkpoint Harmony Email & Collaboration, Ubiquiti UniFi, Exchange Online, Windows 365, Windows Sandbox
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4d
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Operational Technology Administrator
Rancho Cucamonga, California, United States
OnsiteFull Time
Reyes Holdings
Reyes Holdings: Global distributor of food and beverage products.
1+ YOEBachelor’s degree with 1–2 years of OT systems experience, or high school diploma/GED with 3–5+ years. Requires industrial OT, network infrastructure, OT security, patch management, and incident response experience.
Operational Technology (OT), laser-guided vehicles, Human-Machine Interface (HMI), historians, servers, remote access, network devices, Industrial Control Systems (ICS), switches, routers, gateways, firewalls
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IT Administrator
Carson or Santa Fe Springs
OnsiteFull Time
Woojin IS America
Woojin IS America: Manufactures and refurbishes electric equipment for rail vehicles.
2+ YOE2+ years IT admin/help-desk experience; strong Windows and Microsoft 365 skills; experience with Active Directory, Azure AD/Intune, VPN, networking, endpoint security, asset management, and troubleshooting.
Windows, Microsoft 365, Microsoft Office 365, Active Directory, Azure AD (Entra ID), Microsoft Intune, VPN, Microsoft Outlook, Microsoft Teams, Microsoft Azure, AWS, ERP, CRM, VoIP
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2mo
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Senior IT System Administrator
Long Beach, California, United States
$107k-$152k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
4+ YOE4+ years enterprise IT systems administration; expertise with Windows Server, Active Directory, Group Policy, endpoint management (JAMF/Intune/SCCM), patch management, scripting (PowerShell/Python/Bash), virtualization, and networking fundamentals.
Windows Server, Active Directory Domain Services, Group Policy, Configuration Manager (SCCM), JAMF, Linux, VMware, Hyper-V, PowerShell, Python, Bash, WSUS, Ivanti, Automox, NIST 800-53, CIS benchmarks, CMMC
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Sr. System Administrator
La Jolla or Santa Clara
OnsiteFull Time
Concept Plus
Concept Plus: Delivers enterprise IT services for federal government agencies.
US citizen required, onsite support at client offices, able to maintain Public Trust clearance, strong experience in Windows, Active Directory, Google Workspace, networking, VTC, and endpoint support.
Cisco, Active Directory, Google Workspace, Gmail, Google Drive, Google Meet, Chromebox, Chromebase, SAML, NWAVE, Crestron, BitLocker, VPN
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