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86 network administrator jobs at 70 companies in Fairfield, CA

2mo
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Network Administrator
Fairfield, California, United States
OnsiteFull Time
Jelly Belly Candy Company
Jelly Belly Candy Company: Manufactures and sells premium jelly beans and confectionery products.
5+ YOE5 years recent network administrator experience; Bachelor's degree in computer science or information systems; strong TCP/IP, routing, switching, VPN, security, and vendor management skills.
Cisco Routers, LAN/MAN switches, VoIP, SAN switching, VMware, PRTG, SolarWinds, NetFlow, Wireshark
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1mo
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Senior Network Administrator
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$130k-$190k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
8+ YOE8+ years network administration experience in enterprise or DoD environments, hands-on with Palo Alto and Aruba solutions, experience with routing/BGP/OSPF, DoD cybersecurity frameworks, and active DoD Secret clearance (TS preferred).
Palo Alto Firewalls, PAN-OS, Panorama, GlobalProtect, Aruba Networks, Aruba ClearPass, Python, Ansible, APIs, AWS GovCloud, Azure Government, Zscaler ZIA, Zscaler ZPA, RMF, NIST 800-53, STIGs
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2d
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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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18h
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System/ Network Administrator
Sacramento, California, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOEBachelor’s degree and 5 years of network and systems administration experience, including 2 years in public safety, government, or critical infrastructure. Requires CCNA, U.S. citizenship, Cisco networking, ITSM, Windows Server, Linux, and on-call availability.
SolarWinds, PRTG, Nagios, Microsoft Windows Server, Linux, ServiceNow, Remedy, Cisco IOS, Cisco IOS-XE, Cisco ASA, Cisco FTD, Palo Alto, Fortinet, Cisco Viptela, VMware VeloCloud, OSPF, BGP, EIGRP, STP, VLANs, IPAM, SD-WAN, VPN, IDS/IPS, DNS, DHCP, QoS
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1d
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Network & Security Administrator
South San Francisco or Watsonville or Aptos
$125k-$140k/yr OnsiteFull Time
Ohalo Genetics
Ohalo Genetics: Developing novel plant breeding systems and improved crop varieties.
5+ YOERequires 5+ years in network administration or IT infrastructure, UniFi networking, WAN, wireless and wired networks, core protocols, MDM/UEM, Google Workspace, documentation, troubleshooting, and security fundamentals.
Ubiquiti UniFi, UniFi Network, UniFi Access, UniFi Protect, Hexnode UEM, Google Workspace, KnowBe4, Notion, Jira, Slack, Python, Bash, Zapier, TCP/IP, DHCP, DNS, VLAN, VPN, SOC 2
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1mo
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Network & Systems Administrator
Sydney or Manila or London or Vancouver or San Francisco
OnsiteFull Time
Escrow.com
Escrow.comAustralian Securities Exchange: FLN: Secure online escrow and payment services for high-value transactions.
Senior hands-on sysadmin with end-to-end IT support experience across Windows/macOS/Linux, networking (firewalls, VPNs, VLANs), backups, monitoring, Google Workspace administration, scripting (Python/Bash) and strong documentation and communication skills.
Synology NAS, Google Workspace, GAM, OPNsense, pfSense, UniFi, AWS, Terraform, Puppet, Prometheus, Python, Bash, IPsec VPNs, DNS
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4w
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Network Security Administrator
San Francisco, California, United States
RemoteFull Time
UCSF Health
UCSF Health: Academic medical center providing advanced patient care and research.
3+ YOE3+ years in network services or security; knowledge of firewalls, VPN, DDI, NAC, CASB, SASE, IDS/IPS, network protocols, Cisco; experience with Datadog, Panorama, or Firemon; ITIL familiarity; relevant certifications preferred.
Firewalls, DDI (DNS, DHCP and IP Address Management), VPN, Network Access Control, Web Filtering, CASB, SASE, Intrusion Detection/Prevention, Network Packet Broker, Network Traffic Visibility, Datadog, Panorama, Firemon, Cisco Routing and Switching, Juniper Routing and Switching, VMware, Hyper-V, Python, PowerShell, AWS, Azure, Google Cloud Platform, ITIL
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4w
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Network Security Administrator
San Francisco, California, United States
$91k-$145k/yr OnsiteFull Time
University of California, San Francisco
University of California, San Francisco: Public research university dedicated to health sciences and education.
3+ YOE3-5 years network/security experience; knowledge of firewalls, IDS/IPS, VPN, DDI, NAC, Web Filtering, CASB, SASE, Cisco routing/switching; familiarity with Datadog, Panorama, Firemon, ITIL; ability to diagnose and resolve complex network issues.
Datadog, Panorama, Firemon, VMware, Hyper-V, AWS, Azure, Google Cloud Platform, Python, PowerShell
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1w
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Systems & Network Administrator
Travis AFB, California, United States
$72k-$77k/yr OnsiteFull Time
Sumaria Systems
Sumaria Systems: A systems integrator providing DoD medical IT and network support.
5+ YOE5+ years supporting Air Force Medical Information Systems/DHA, Security+ required, proficiency with Windows Server, Microsoft System Center Configuration Manager (MECM/SCCM), and Cisco switch configuration; strong communication skills.
Windows Server, Microsoft System Center Configuration Manager (MECM/SCCM), Cisco
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2w
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Information Technology Specialist / Network Administrator
Rohnert Park, California, United States
$48-$60/hr OnsiteFull Time
Sonoma County Library
Sonoma County Library: Provides public library services and community resources for residents.
4+ YOEAssociate-level education in computer science or related field and 4 years IT support experience (2 years network management), California Class C driver required, experience with network administration, security, servers, and user support.
switches, routers, firewalls, LAN, WAN, Active Directory, hubs, wireless
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2mo
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Network and System Administrator
Oakland, California, United States
$96k-$120k/yr HybridFull Time
Samuel Merritt University
Samuel Merritt University: Provides undergraduate and graduate education for healthcare professionals.
7+ YOEBachelor’s degree in Computer Science or related field; 7+ years in network/server admin; Windows Server, Active Directory, DNS/DHCP; virtualization; O365/Intune; MCSE/MCSA/MCITP preferred.
Windows Server, Active Directory, DNS, DHCP, Group Policy, Nutanix AHV, Azure AD, Entra ID, Intune, O365, Rubrik, FortiGate, Cisco IOS, Aruba, WebEx Cloud Calling
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2d
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System / Network Administrator
Petaluma or Santa Rosa or Napa
$80k-$130k/yr OnsiteFull Time
Hansel Auto Group
Hansel Auto Group: Family-owned group selling and servicing new and used vehicles.
4+ YOERequires 4+ years of related IT experience, network and server administration, high school diploma, troubleshooting skills, English communication, California driver's license, clean record, and reliable transportation.
Windows 11, Windows Server, Microsoft Active Directory, Microsoft 365, Microsoft Teams, Cisco Meraki, NinjaOne, Malwarebytes, MFA, GoTo, CDK Global, Monday.com
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1mo
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Senior Network Admin
Novato, California, United States
$90k-$125k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years experience designing, securing, and supporting enterprise networks with Azure, Cisco platforms, firewalls, incident response, and network troubleshooting.
Azure, Cisco Meraki, Cisco ASA, Azure Firewall, Wireshark, NetFlow, Sentinel, ThousandEyes
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2mo
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IT Network Engineer
Petaluma, California, United States
$50-$60/yr OnsiteFull Time
Petaluma Health Center
Petaluma Health Center: Provides integrated primary medical, dental, and mental health services.
4+ YOECCNA required; Bachelor's in a technical major or 6–8 years equivalent; 4–6 years system administration or network experience; knowledge of Cisco, SDWAN, TCP/IP, VPN, NGFW, virtualization, AWS and cloud networking; valid California driver's license.
Microsoft Entra, AWS, WebEx
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1mo
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Systems Administrator
Fremont or Seattle
$105k-$125k/yr OnsiteFull Time
Cytek Biosciences
Cytek BiosciencesNASDAQ: CTKB: Manufacturer of spectral flow cytometry instruments and biological reagents.
10+ YOE10+ years in systems/network administration managing Windows/Linux servers, virtualization (VMware/Hyper-V), cloud (Azure/AWS), networking, AD/Group Policy, VPN, backup/DR, and multi-site infrastructure.
VMware, Hyper-V, Azure, AWS, Cisco AnyConnect, DNS, DHCP, DUO, Active Directory, Group Policy, NetSuite, Salesforce, Propel, Docker, PowerShell, Bash, Python, TCP/IP
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2mo
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Senior Systems Administrator (Production Services – Network Administrator)
Dublin, California, United States
$109k-$179k/yr HybridFull Time
Ross Stores
Ross StoresNASDAQ: ROST: Discount retail chain selling brand-name apparel and home fashions
6+ YOE6-8 years IT experience; Bachelor's in CS or equivalent; Versa SSE/Firewall engineering; L2/L3 support; Versa SSE expertise; on-call; Versa and Panorama experience.
Versa SSE, Panorama, MXDR, CMDB
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2w
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Systems Administrator
San Leandro, California, United States
OnsiteFull Time
Lahlouh
Lahlouh: Provides commercial printing, packaging design, and marketing fulfillment services.
5+ YOE5+ years systems administration in multi-site production environments; Windows Server, AD, DNS, DHCP, VMware, NetApp, Veeam, Microsoft 365 experience; strong networking and security skills.
Windows Server, Active Directory, Group Policy, DNS, DHCP, VMware vSphere/ESXi, NetApp, Veeam, Prinect, PACE, VeraCore, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft Intune, Microsoft Entra ID, IPsec, PowerShell, Python, Bash, AWS, Azure, Google Cloud
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1w
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Senior Systems Administrator
Sacramento, California, United States
$125k-$158k/yr HybridFull Time
Recology
Recology: Provides integrated waste management and resource recovery services.
3+ YOE3+ years systems administration experience with servers, storage, networking, virtualization, and Microsoft/Office 365 environments; high school diploma required, bachelor\u0002s preferred.
IBM server line, Cisco UCS, NetApp Flash, SAS, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Exchange Online, Office 365, SQL Server, VMWare ESX, Citrix XenApp, Citrix XenDesktop, Cisco, DNS, DHCP, Active Directory, Microsoft Office
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IT Systems Administrator
Sacramento, California, United States
$80k-$85k/yr OnsiteFull Time
Connected Cannabis Co
Connected Cannabis Co: Cultivates, manufactures, and retails premium designer cannabis products.
3+ YOE3+ years IT experience (or 5+ years with HS), experience with Google Workspace and Microsoft 365, hardware/network support, Jira administration, valid driver's license, availability beyond business hours.
Google Workspace, Microsoft 365, Jira Service Management, Acumatica, Google Voice, Adobe, Comcast, T-Mobile, Apple, Microsoft
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1w
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System Administrator 1
Sacramento, California, United States
$60k-$180k/yr OnsiteFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and technology services to federal agencies.
0+ YOEActive TS/SCI clearance, IAT Level II (e.g., Security+), system administration experience, Windows patching and networking knowledge, flexible shift availability, bachelor's degree or equivalent experience.
Windows, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint
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