52 network administrator jobs at 47 companies in Menifee, CA

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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
6d
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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
4d
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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
4w
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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
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
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
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+
3w
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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
1w
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System Administrator II
Rancho Mirage, California, United States
HybridFull Time
Eisenhower Health
Eisenhower Health: Provides comprehensive medical care and hospital services in California.
4+ YOE4+ years system administration experience or bachelor's in IT-related field; advanced certificates (Citrix, Network+, Security+, ECSA) and experience with enterprise server, storage, virtualization, backup, networking and security tools.
Citrix, SAN, Epic, LANDesk, Microsoft Exchange, Active Directory, DHCP, DNS, Group Policy, Certificate Services, PXE, VMware, P2V, P2P, Symantec Endpoint, sysprep, PRTG, Active Administrator, bash, vbscript, PowerShell, Windows DSC, Cisco UCS, CommVault, VNX, XtremIO, Isilon, Windows Server, Apple iOS, Apple OSx, Linux
3w
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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
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
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
3d
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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
16h
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Administrator (Support & Operations)
Orange, California, United States
$51k-$75k/yr OnsiteFull Time
HCLTech
HCLTechNational Stock Exchange of India: HCLTECH: Global technology providing digital, engineering, and cloud services.
5+ YOEBachelor's degree in computer science or information technology, 5+ years of IT support or service delivery experience, bilingual English and local language skills, strong Microsoft, operating system, hardware, network, and customer support expertise.
ServiceNow, CMDB, Microsoft Office 365, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Windows, Mac Operating System, DHCP, DNS, LAN, BYOD, iOS, Android, ITIL, CompTIA A+, Cisco
1mo
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Systems Administrator II (Full Time) (36382)
Rancho Mirage, California, United States
OnsiteFull Time
Agua Caliente Band of Cahuilla Indians
Agua Caliente Band of Cahuilla Indians: Manages tribal governance and operates premier gaming and resort destinations.
3+ YOE3+ years property/user support experience; familiarity with PC hardware, Microsoft networks, Microsoft Operating Systems, Microsoft Exchange, Microsoft Office Suite, and Mac OS; strong verbal and written communication.
Microsoft Exchange, Microsoft Office Suite, Mac OS, Microsoft networks
1d
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Systems Administrator Lead
San Bernardino, California, United States
$110k-$137k/yr OnsiteFull Time
Stater Bros. Markets
Stater Bros. Markets: Operates a chain of supermarkets in Southern California.
10+ YOE10+ years supporting enterprise Windows servers; expertise in Windows Server, Linux, Azure, Microsoft 365, Active Directory, virtualization, storage, networking, recovery, and infrastructure leadership. California driver's license required.
Windows Server, Red Hat Enterprise Linux, Unix, Azure, Microsoft 365, Entra ID, Intune, Microsoft Copilot, vLLM, Active Directory, Group Policy, VMware, Hyper-V, Docker, Kubernetes, LAN/WAN, SAN, DNS, DHCP, Exchange Online
1mo
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System Administrator (Classified Systems) – Active Secret Clearance Required
Carlsbad, California, United States
$121k-$191k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
6+ YOE6+ years administering Windows and Linux systems in classified environments; DoD RMF experience, SIPRNet administration, virtualization, networking, and DoD 8140.01 certification; active Secret clearance required.
Windows Server, Win 10, Win 11, Linux, Active Directory, TCP/IP, DNS, DHCP, VMware, Hyper-V, OpenShift, ACAS, SCAP, HBSS, Certificate Management, Radius, 802.1x, SIPRNet, Juniper, Palo Alto, Cisco, NetApp, Veeam, Splunk, Nessus, Microsoft Exchange Server
2mo
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Information Security Administrator
Chino, California, United States
$129k-$157k/yr OnsiteFull Time
Inland Empire Utilities Agency
Inland Empire Utilities Agency: Provides regional wastewater treatment and wholesale water distribution services.
5+ YOEFive years of information security governance and operations; knowledge of network monitoring, vulnerability management; experience with OT/ICS security is desirable; must hold valid California driver’s license and one security certification.
Firewalls, Endpoint protection, SIEM, VPNs, Microsoft 365, Azure, Windows servers, Linux servers, Active Directory
1w
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Net Admin (In Person)
Santa Ana, California, United States
RemoteContract
360S2G
360S2G: Provides SaaS ERP and billing software for utility providers.
Administer Palo Alto firewalls, Cisco Catalyst switches, routing protocols, VLANs, wireless infrastructure, IoT network segments, and production change controls.
Cisco Catalyst, Palo Alto Next-Generation Firewalls, OSPF, BGP, VLAN, QoS, Internet of Things (IoT)
1d
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IT & Systems Administrator - SoCal Region
San Diego or Vista or San Juan Capistrano or Redondo Beach or Orange or Oceanside or California
$38-$46/hr HybridFull Time
Devil Mountain Wholesale Nursery
Devil Mountain Wholesale Nursery: Wholesale producer and distributor of landscape plants and trees.
5+ YOERequires 5+ years of IT administration and end-user support, Microsoft 365 and Entra ID experience, endpoint management, PowerShell, Windows Server, Active Directory, networking, a California driver's license, and regular regional travel.
Microsoft 365, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Entra ID (Azure AD), Entra Connect, Active Directory, Microsoft Intune, PowerShell, NetSuite, Celigo, RingCentral, Point-of-sale systems, Windows Server, RMM, VMWare, MS-102, AZ-104, SC-300, MD-102

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