53 windows systems administrator jobs at 31 companies in Live Oak, CA

2w
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Unix Systems Administrator
Fremont, California, United States
$125k-$135k/yr OnsiteFull Time
ISE Labs
ISE LabsNYSE: ASX: Provides semiconductor test and engineering services to manufacturers.
2+ YOEProvide Unix and Windows systems administration, troubleshoot hardware/software/network issues, support users, perform system maintenance, and document incidents. Requires 2+ years experience and degree in a related field.
Windows Operating Systems, Microsoft Outlook, Microsoft Office, Switches, routers, VPN, Microsoft Exchange Server, SunOS, Solaris, HPUX, UNIX, C, C++, Perl
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
1mo
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Associate Systems Administrator
Dublin, California, United States
OnsiteFull Time
Ross Stores
Ross StoresNASDAQ: ROST: Discount retail chain selling brand-name apparel and home fashions
2+ YOE2+ years supporting retail and distribution center systems; strong networking, Windows/UNIX, WCS and warehouse/distribution systems experience; familiarity with DC hardware, cabling and backup/storage (Hitachi SAN) and SCCM.
WCS, Dematic, Inteligrated, Crisplant, Hitachi SAN, SCCM, UNIX, Windows, VoIP, VPN, CAT5, Cat 6, fiber optics
3mo
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Systems Administrator
Dublin, California, United States
OnsiteFull Time
PingWind
PingWind: Provides cybersecurity and IT infrastructure services to government agencies.
5+ YOEActive DoD TS/SCI with CI poly, 5+ years in classified IT/networking, Windows Server and virtualization experience, DoD cybersecurity standards, DoD 8570/8140 IAT Level II, shift-based 24/7 support.
Windows Server, Virtualization, Routing and Switching, Type 1 encryption devices, DISA STIGs, IAVAs
14h
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Lab IT Systems Administrator
Sunnyvale, California, United States
$75k-$110k/yr OnsiteFull Time
Delart
Delart: Developing advanced wireless technologies and next-generation consumer electronics.
3+ YOERequires an associate or bachelor's technical degree or equivalent experience, 3+ years in IT systems administration, Linux, Windows, macOS, Bash, Python, networking, device fleets, provisioning, and certificates.
Linux, Ubuntu, CentOS, Windows, macOS, Bash, Python, DHCP, IPv6, DNS, 802.1X, VMware, KVM, Proxmox, Hyper-V, Ansible, MDM, SCCM, Chef, Puppet
1w
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Senior Systems Administrator/ IT Engineer
Santa Clara, California, United States
$145k-$200k/yr OnsiteFull Time
Velaura AI
Velaura AI: Developing ultra-low-power silicon and IP for AI accelerators.
10+ YOERequires 10+ years in systems administration, infrastructure engineering, or enterprise IT, with Linux, Windows, macOS, cloud, networking, security, endpoint management, scripting, troubleshooting, and documentation experience.
RHEL, Ubuntu, VMware vCenter, Proxmox, AWS, Google Cloud Platform, Google Workspace, Microsoft 365, Single Sign-On (SSO), Multi-Factor Authentication (MFA), Duo Security, Cisco Meraki, VPN, DNS, DHCP, PAN firewalls, SSL/TLS, NetApp, Rubrik, Bash, Python, Endpoint Detection and Response (EDR), SentinelOne, Windows, macOS, Apple, Dell, Iru MDM, Kandji, Jamf, Microsoft Intune, TCP/IP, VLAN, Wi-Fi, routing, FileVault, BitLocker, Terraform, Ansible, SIEM, CrowdStrike, Microsoft Defender for Endpoint
1mo
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Electronic Security IT System Administrator (System Administrator 2) - Fremont, CA
Fremont, California, United States
$100k-$150k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
2+ YOESystem administrator experience with Windows and Linux servers, access control/security systems, Windows patching/AD, networking basics; 2+ years experience (or equivalent), team management experience preferred; proficient in MS Office suite.
Windows, Windows Server, Linux, Red Hat, CentOS, Docker, Kubernetes, SQL, Cassandra, Mongo, Redis, AWS, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint
3w
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System Administrator
Redwood City or United States
$115k-$120k/yr HybridFull Time
Authentic8
Authentic8: Secure cloud-based web isolation and anonymous browsing software.
5+ YOE5+ years systems administration experience with macOS/Windows/Linux, MDM (Jamf/Intune), Azure/Okta, AD and networking; scripting (PowerShell/Bash); VMware and server administration; strong troubleshooting and documentation skills.
Jamf Pro, Microsoft Intune, Azure, GCP, Google Workspace, Okta, VMware vCenter, Windows Server 2019, Windows Server 2022, Linux, PowerShell, Bash, Parallels Desktop, Azure AD/Entra ID, SAML, SSO
2mo
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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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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
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Classified IT System Administrator, Sr / Onsite: PA, CO, CA, AL or FL
King of Prussia or Huntsville or Littleton or Sunnyvale or Titusville
$96k-$178k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
3+ YOERequires U.S. citizenship, ability to obtain Top Secret clearance, and 3+ years of system administration experience with Linux, Windows, networking, or storage. Requires systems analysis, troubleshooting, networking, and communication skills.
Linux, Windows, VMware, KVM, NetApp, Active Directory, Ansible, Python, Bash, PowerShell, SSL/TLS
1mo
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Senior Systems and Network Engineer
San Jose, California, United States
$125k-$160k/yr HybridFull Time
Blach Construction
Blach Construction: General contractor providing construction management and building services.
8+ YOE8+ years systems or network engineering experience; Palo Alto Networks firewall administration; enterprise networking, Windows Server, VMware/Proxmox/Hyper-V, Microsoft 365, and Microsoft SQL Server experience; strong documentation and communication skills.
Palo Alto Networks, VMware vSphere/ESXi, Proxmox, Hyper-V, Microsoft 365, Microsoft SQL Server, Windows Server, Cisco
3d
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IT Operations & Systems Specialist
Marlborough or Hayward
$96k-$126k/yr OnsiteFull Time
Meadowhawk Biolabs
Meadowhawk Biolabs: Provides preclinical research and bioanalytical services for drug discovery.
5+ YOERequires Microsoft 365 and Active Directory administration, Windows endpoint support, networking, troubleshooting, security alert interpretation, documentation, communication, and independent project ownership.
Microsoft 365, Active Directory, Entra ID, Windows, SIEM, EDR, ITDR, Intune
1mo
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System Administrator - NASA Ames Research Center Multi-Mission Operations Center
Mountain View, California, United States
$120k-$145k/yr OnsiteFull Time
Astrion
Astrion: Provide engineering and mission support services to federal government agencies.
3+ YOE3-5 years systems administration experience, bachelor\u0002s in CS/STEM or equivalent experience, Linux/Windows administration, OpenStack/VMWare/SAN, shell/Perl/Python scripting, cybersecurity and protocols knowledge.
RedHat, UBUNTU, OpenStack, VMWare, SAN, Shell, Perl, Python, DNS, HTTP, LDAP, SMTP, SNMP, C++, Java, Microsoft Excel, Adobe, Visio, Microsoft Word, PowerPoint, Microsoft Teams, Microsoft Outlook, BigFix, NESSUS, SentinelOne, Splunk, Nagios, Windchill, Satellite Toolkit (STK), Confluence, JIRA
3d
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IT Systems Support Technician
Scotts Valley, California, United States
$22-$26/hr OnsiteFull Time
Threshold Enterprises
Threshold Enterprises: Manufactures and distributes vitamins and nutritional supplement products.
5+ YOERequires 5+ years of technology support, Windows and server expertise, application and network administration experience, security systems knowledge, troubleshooting skills, communication ability, and a valid driver's license.
Windows 11, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025, ERP, MRP, Microsoft Active Directory, Microsoft Exchange Server, Cisco, Firewall, SEIM, Microsoft
1w
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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
2mo
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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
1mo
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System Administrator - NASA Ames Research Center Multi-Mission Operations Center
Mountain View, California, United States
$120k-$145k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
3+ YOE3-5 years systems administration experience; Bachelor’s in CS/IS or equivalent experience; Red Hat/Ubuntu and Windows administration; OpenStack, VMware, SAN, scripting (Shell/Perl/Python); networking protocols and cybersecurity (NIST 800-53, RSA Archer). US citizenship and federal background investigation required.
Red Hat, Ubuntu, OpenStack, VMware, SAN, Shell, Perl, Python, C++, Java, Microsoft Excel, Adobe, Visio, Microsoft Word, Microsoft PowerPoint, Microsoft Teams, Microsoft Outlook, BigFix, Nessus, SentinelOne, Splunk, Nagios, RSA Archer, Atlassian Confluence, Atlassian Jira, Windchill, Satellite Toolkit (STK)
1mo
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Systems Engineer, VDI Platform
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$207k-$275k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
Hands-on experience building and operating cloud infrastructure (AWS/Azure/GCP), Linux and Windows endpoint administration, IaC and config management (Terraform, Ansible, Chef, Packer), identity integration (Teleport, Okta), endpoint security agents, scripting (Python/Bash), and observability/SIEM integration.
Teleport, Okta, Ubuntu, Windows 11, Packer, Chef, CrowdStrike, Netskope, BlastShield, PCoIP, HP Anyware, Python, Bash, PowerShell, Terraform, Ansible, SIEM, AWS, Azure, GCP, MDM, Microsoft Intune