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28 linux systems administrator jobs at 20 companies in Fairfield, CA

3w
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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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5d
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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
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1w
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Associate Systems Administrator (R5436)
San Francisco, California, United States
$89k-$130k/yr OnsiteFull Time
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
5+ YOE5+ years systems/enterprise IT experience, 3+ years supporting executives, experience with Windows/macOS/Linux, Active Directory/Azure AD, endpoint troubleshooting, networking fundamentals, ITSM/asset tools, strong communication and discretion.
Active Directory, Azure AD, Windows, macOS, Linux, Jira Service Management, Snipe-IT, ServiceNow, Microsoft Endpoint Manager (Intune), JAMF, PowerShell, Bash, DNS, DHCP, TCP/IP
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4w
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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
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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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2mo
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IT Systems & Cloud Administrator
South San Francisco, California, United States
$100k-$120k/yr OnsiteFull Time
Rigel Pharmaceuticals
Rigel PharmaceuticalsNASDAQ: RIGL: Develops and sells medicines for blood disorders and cancer.
3+ YOEBachelor's (or equivalent), 3+ years systems administration in hybrid on-prem/cloud environments; Windows Server, AD, Azure and AWS experience; virtualization, monitoring, backup/DR, security, and troubleshooting skills.
Microsoft Azure, AWS, Entra ID, Azure Virtual Desktop, IAM, EC2, S3, VPC, CloudWatch, VMware, Hyper-V, Splunk, Linux, Microsoft 365, Azure AI Services, AWS SageMaker
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4w
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Electronic Security IT System Administrator (System Administrator 3)- Fremont, CA
Fremont, California, United States
$115k-$172k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
5+ YOESystem administrator experience with Windows/Linux servers, Active Directory, patching, VLANs/routing, Physical Access Control Systems, team leadership, and proficiency with Microsoft Office; certifications in Windows, AWS, Linux, databases, and networking preferred.
Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint, Docker, Kubernetes, AWS, Red Hat, CentOS, Linux, Windows 10, Windows 11, Windows Server, Active Directory, SQL, Cassandra, Mongo, Redis, VLANs
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Staff Systems Engineer, Data Streaming
Emeryville, California, United States
$180k-$233k/yr HybridFull Time
Pixar Animation Studios
Pixar Animation Studios: Produces computer-animated feature films and animation software.
12+ YOE12+ years Linux systems experience, Kafka administration, scripting (Python or shell), infrastructure-as-code (Ansible/Puppet/Terraform), troubleshooting, and leading large projects; Perforce and cloud experience preferred.
Kafka, Perforce P4, Python, Shell, Ansible, Puppet, Terraform, Elasticsearch, Splunk, Oracle DB, Linux
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1w
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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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2w
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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
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3w
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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
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1w
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Network Systems Specialist I
Livermore, California, United States
$10k-$10k/mo OnsiteFull Time
Chabot-Las Positas Community College District
Chabot-Las Positas Community College District: Public community college district providing higher education and training.
2+ YOEBachelor's in computer science or related, 2 years network/systems administration experience, knowledge of network design, routing, LAN/WAN/Wireless, server and client administration, and ability to troubleshoot and document networks.
Novell Netware, Unix/Linux, Windows Server, TCP/IP, VLAN, DNS, SNMP, SMTP, T-1, T-3, MAN
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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
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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
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5d
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Systems Security Engineer I
Oregon or Delaware or Connecticut or Arizona or Nebraska or Missouri or Michigan or California or Colorado or Illinois or District of Columbia or Maryland or Massachusetts or New Jersey or Texas or Washington or Virginia or Alaska or San Francisco or New York City
$69k-$136k/yr RemoteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
2+ YOEMinimum 2 years hands-on DLP/CASB or information security experience, strong networking and systems administration skills, bachelor\u0002s degree or equivalent preferred, excellent communication and troubleshooting.
Data Loss Prevention (DLP), Cloud Access Security Broker (CASB), Proofpoint, Symantec, McAfee/Trellix, Forcepoint, CloudSOC/Elastica, Skyhigh, Netskope, Windows Server, Unix/Linux, Microsoft SQL Server, Oracle, Regex, Python, PowerShell, Bash, Perl, Java
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4d
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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
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5d
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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
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1mo
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Software Deployment & Integration Engineer
El Segundo or Hawthorne or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$145k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOEBachelor's in STEM or equivalent experience, 3+ years in systems/software integration or test engineering, strong Linux administration, Python/Bash scripting, networking, system bring-up, test automation, and clear technical documentation skills.
Python, Bash, Linux, Ubuntu, Docker, Microsoft Azure CLI, Jsonnet, Ansible, Playwright, Selenium, Cypress, chrony, linuxptp, timemaster, PTP, NTP, GNSS
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2mo
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Technical Customer Support Engineer, Tier 2 - West Cost (Second shift)
San Francisco or New Jersey or Israel
$36-$43/hr OnsiteFull Time
UVeye
UVeye: Automated AI-driven vehicle inspection and diagnostic systems.
3+ YOE3+ years Tier II support/systems administration/QA; Bachelor's in Computer Science or related; proficiency with Linux, Docker, Kubernetes, networking, cloud platforms, hardware setup/calibration, Zendesk/JIRA/Confluence; second-shift availability.
Linux, Docker, Kubernetes, TCP/IP, HTTP, DNS, DHCP, AWS, Azure, GCP, Zendesk, JIRA, Confluence, Bash, Python, Terraform, Helm
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2mo
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Customer Support Engineer
San Francisco or Israel
HybridFull Time
VAST Data
VAST Data: Enterprise AI infrastructure and unified data platform.
5+ YOE5+ years in customer-facing pre/post-sales roles with complex storage solutions; strong Linux administration, networking, bash scripting, file systems/NAS and S3 knowledge; excellent communication; MS or B.Sc. in CS/CE/EE; ~20% travel.
Linux, bash, S3, NAS
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