385 system administrator jobs at 246 companies in Fairfield, CA

2d
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System Administrator
Oakland or West Sacramento or California
FieldFull Time
SEIU Local 2015
SEIU Local 2015: Represents California long-term care workers through advocacy and bargaining.
4+ YOERequires 4–7 years administering enterprise systems, servers, networks, and infrastructure, including Windows Server, Active Directory, Exchange, network security, telecommunications, backups, and disaster recovery.
Microsoft Windows Server, Active Directory, Exchange, Voice over Internet Protocol (VoIP), Microsoft SQL Server
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
2mo
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System Administrator - Senior
Concord, California, United States
OnsiteFull Time
DecisionPoint
DecisionPoint: Provides IT and cybersecurity services for federal government agencies.
8+ YOEActive Secret clearance, HS diploma, 8+ years systems administration experience in DoD/federal environments; expertise with Windows Server, Active Directory, SCCM, virtualization, storage, backup, STIGs, and scripting; strong troubleshooting and documentation skills.
Windows Server, Active Directory, Group Policy, DNS, DHCP, SMTP, SCCM, PowerShell, JavaScript, VMware, NTFS, iSCSI, NFS
1mo
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Core Infrastructure System Administrator (System Administrator 2) - Fremont, CA
Fremont, California, United States
$100k-$150k/yr HybridFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
2+ YOEEducation/experience combination required (Bachelor's +2 yrs, Associate +6 yrs, or HS +8 yrs). Requires system administrator experience, 2+ years programming/administrating Physical Access Control Systems, team leadership experience, Windows patching/Active Directory knowledge, basic VLANs/routing, Security+ / CASP / CISSP certification, and MS Off...
Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, Windows, Linux, Microsoft Active Directory, VLANS, Physical Access Control Systems
1mo
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Core Infrastructure System Administrator (System Administrator 3)- Fremont, CA
Fremont, California, United States
$115k-$158k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.
5+ YOESystem administration experience, Windows/Linux server management, AD and patching, 2+ years PACS programming, Security+/CASP/CISSP, networking/VLANs knowledge, team leadership experience, flexible schedule, up to 25% travel.
Windows, Linux, Active Directory, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, VLANs, Physical Access Control Systems
3w
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System Administrator
Santa Rosa, California, United States
$39-$53/hr OnsiteFull Time
Exchange Bank
Exchange BankOTCPK: EXSR: Community bank providing personal, commercial, and trust banking services.
5+ YOE5+ years IT experience or equivalent, Bachelor in IT or similar, expertise with Windows Server, Active Directory, Exchange Online, VMware, VDI/Xen, networking, backups, and PowerShell; valid driver's license.
PowerShell, Windows Server, Active Directory, Exchange Online, Microsoft O365, VDI, Xen, VMware, VOIP, Routers, Switches
1d
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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
1mo
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Senior System Administrator (MSO)
Livermore, California, United States
$111k-$150k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years IT/network administration experience; TS/SCI (or DoE Q) clearance; DoD 8570-compliant certifications; experience with SolarWinds, Splunk, Wireshark; knowledge of critical physical infrastructure.
SolarWinds, Splunk, Wireshark, BMC Remedy, Linux, Windows, SNMP
1mo
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Senior System Administrator (MSO)
Livermore, California, United States
$111k-$150k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOE8+ years IT/network administration experience, TS/SCI or DoE Q clearance required, DoD 8570 compliant certifications, experience with SolarWinds/Splunk/Wireshark, HVAC/infrastructure familiarity, US citizenship.
SolarWinds, Wireshark, Splunk, BMC Remedy, Linux, Windows, SNMP
1w
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IT System Administrator
Sacramento County, California, United States
$7k-$11k/mo OnsiteFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Provide specialized support for CAD, MDC, and desktop infrastructure; troubleshoot enterprise Active Directory and Windows Server environments; administer Group Policy, DNS, DHCP; perform technical documentation and subject-matter-expert duties; pass background investigation.
Computer Aided Dispatch (CAD), Mobile Digital Computer (MDC), Microsoft Active Directory, Windows Server, Group Policy, DNS, DHCP, Hyper-V, VMware, PowerShell, SQL, CLETS, CJIS
22h
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System/ Network Administrator
Sacramento, California, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOEBachelor's degree in a related technology field and 5 years of experience, including 2 years in public safety, government, or critical infrastructure. Requires US citizenship, CCNA, network administration, ITSM, and on-call availability.
Cisco IOS, Cisco IOS-XE, OSPF, BGP, EIGRP, STP, VLANs, Cisco ASA/FTD, Palo Alto, Fortinet, TCP/IP, DNS, DHCP, QoS, ServiceNow, Remedy, Windows Server, Linux, SolarWinds, PRTG, Nagios, IPAM, VPN, IDS/IPS, Cisco Viptela, VMware VeloCloud
3w
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Senior System Administrator II (Ceph Engineer)
Chicago or San Francisco
OnsiteFull Time
Adyen
AdyenEuronext Amsterdam: ADYEN: Unified payment platform for global business commerce.
5+ YOE5+ years Linux systems administration focused on storage, experience with enterprise storage (Purestorage, NetApp, EMC, Dell, IBM, Hitachi), RAID/LVM/NFS/iSCSI, shell scripting, Python/Ansible/Puppet, virtualization, cloud storage and monitoring tools.
Ceph, Purestorage, NetApp, EMC, Dell, IBM, Hitachi, RAID, LVM, NFS, iSCSI, ext4, XFS, ZFS, shell scripting, Python, Puppet, Ansible, VMware, KVM, AWS S3, EBS, Nagios, Prometheus, Zabbix
2w
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IT System Administrator / Security Analyst
Fremont, California, United States
$125k-$150k/yr OnsiteFull Time
FM Industries
FM Industries: Manufacturing precision components and coatings for semiconductor equipment.
5+ YOE5+ years systems administration experience with 2+ years security focus; Windows/Linux, Active Directory, virtualization, SIEM, vulnerability management, incident response, and strong communication skills.
Active Directory, DNS, DHCP, Group Policy, VMware, Hyper-V, Microsoft 365, Azure, AWS, SIEM, EDR, vulnerability scanners, firewalls, TCP/IP, VLANs, VPNs
2mo
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ARISS - System Administrator (Top Secret/SCI Clearance w/ Poly Required)
Dublin, California, United States
$60k-$95k/yr FieldFull Time
Seneca Holdings
Seneca Holdings: Operates a portfolio of federal and commercial businesses.
5+ YOETS/SCI with CI Polygraph required; 5+ years classified IT experience; IAM or IAT Level II/III (DoD 8140); experience with STIGs, system administration, and user support for classified systems.
Army Security Technical Implementation Guides (STIG), MIRC
4w
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Senior Associate, ServiceNow - Certified System Administrator
Irvine or Los Angeles or San Francisco or Denver or Washington or Tampa or Atlanta or Chicago or Boston or St Louis or Short Hills or New York City or Philadelphia or Austin or Dallas or Houston or Seattle
$94k-$203k/yr OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOE3+ years managing enterprise systems with ServiceNow focusing on ITSM/ITOM/IRM, ServiceNow CSA required, JavaScript customization skills, agile delivery and team leadership experience.
ServiceNow, JavaScript
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
1d
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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 IT experience with network and server administration, high school diploma, troubleshooting skills, English communication, California driver's license, clean record, and reliable transportation.
Microsoft Windows 11, Microsoft Windows Server, Microsoft Active Directory, Microsoft 365, Microsoft Teams, Cisco Meraki, NinjaOne, Malwarebytes, MFA, GoTo, CDK Global, Monday.com
3d
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Senior IT System Admin
Fremont, California, United States
$86k-$108k/yr OnsiteFull Time
ASUS
ASUSTaiwan Stock Exchange: 2357: Manufacturer of computer hardware, laptops, and consumer electronics.
5+ YOEBachelor's degree in computer science, information technology, or related field and 5+ years in system administration or IT infrastructure, with Windows, Linux, Active Directory, security, monitoring, automation, and project experience.
Windows, Linux, Active Directory, Microsoft Exchange, Microsoft Office 365, IIS, Apache, SAN, NAS, Zabbix, SolarWinds, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, AI, AIOps, OKRs
2w
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Cleared IT System Administrator / Computer Infrastructure Engineer - Special Programs Operations, Onsite
Livermore, California, United States
$89k-$172k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
2+ YOEActive DOE Q clearance (ability to obtain DOE SCI), CompTIA Security+ (or equivalent), 2+ years relevant experience or equivalent education, experience with CentOS/Oracle Linux/Windows Server, VMWare, scripting, Ansible, and 24/7 operational support.
CentOS 8, Oracle Linux 8+, Windows Server 2019, Windows 10, Linux, Windows, VMWare, Ansible, Splunk, Solarwinds
2w
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Cleared IT System Administrator / Computer Infrastructure Engineer - Special Programs Operations, Onsite
Livermore, California, United States
$89k-$172k/yr OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
2+ YOEActive DOE Q-level clearance, 2+ years related experience or equivalent, experience with CentOS/Oracle Linux/Windows, ability to work 24/7/365 and be on-call, willingness to obtain CompTIA Security+.
CentOS 8, Oracle Linux 8+, Windows Server 2019, Windows 10, VMWare, Ansible, Splunk, Solarwinds