44 linux system administrator jobs at 34 companies in Vallejo, CA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Electronic Security IT System Administrator (System Administrator 3)- Fremont, CA
Fremont, California, United States
$115k-$172k/yrOnsiteFull Time
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
VeracyteNASDAQ: VCYT: Provides genomic diagnostic tests for precise cancer diagnosis.
3+ YOE3-5 years in systems administration; lab IT experience preferred; strong Windows/Linux admin skills; virtualization and cloud knowledge; travel and after-hours support as needed.
VMware, Hyper-V, Windows Server, Linux, Networking, VPN, AWS, Azure
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.
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.
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.
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
System Administrator - NASA Ames Research Center Multi-Mission Operations Center
Mountain View, California, United States
$120k-$145k/yrOnsiteFull Time
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)
Scottsdale or Chicago or San Francisco or New York City
$86k-$126k/yrHybridFull Time, Contract
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOE5+ years Red Hat Linux administration; AWS experience; scripting; strong analytical and customer-service skills; US citizenship; eligible to work in the United States.
University of California, Davis: Public land-grant research university providing higher education and healthcare.
Bachelor's degree or equivalent experience; experience with Linux system operations, system administration, scripting, system performance monitoring, and computer security; strong communication and problem-solving skills; able to support diverse user community.
PenumbraNYSE: PEN: Designs and manufactures medical devices for vascular conditions.
8+ YOE8+ years enterprise systems administration with Microsoft technologies, Azure, virtualization, SAN/NAS, backup/recovery, Linux (RHEL), scripting/automation, PKI, SSO, and infrastructure automation; bachelor’s degree or equivalent.
Microsoft Azure, Microsoft Office 365, Entra ID, MFA, Information Protection, Active Directory, Windows Server, Linux (RHEL), SAN/NAS, enterprise backup platforms, SAP, Dell Boomi, PowerShell, Intune, SCCM, SCOM, Hyper-V, VMware, Exchange Online, OneDrive, SharePoint, Microsoft Teams, PKI, SAML, OpenID, Cisco UCS, Log Analytics, BitLocker, Privileged Identity Management, Infrastructure as Code (IaC)
Metis Technology Solutions: Provides advanced engineering and technical services to government agencies.
10+ YOE10+ years IT systems administration experience, extensive Linux and networking skills, cloud (AWS) experience preferred, strong scripting and troubleshooting, eligible for US Public Trust clearance, U.S. citizen or green card holder.
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
1X: Manufacturing safe, general-purpose humanoid robots for home and work.
7+ YOE7+ years in Linux systems or device management, strong Linux administration, Python/Bash scripting, experience with provisioning, patching, configuration management (Ansible/Puppet/Chef/Salt), cloud (AWS/GCP/Azure), and endpoint security.
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.
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
Sydney or Manila or London or Vancouver or San Francisco
OnsiteFull Time
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
Kaiser Permanente: Integrated healthcare and insurance services provider
2+ YOEBachelor's in IT/CS or 2–4 years IT experience; 2+ years supporting enterprise IT systems; strong analytical, troubleshooting, documentation, and communication skills; ability to work in a fast-paced warehouse environment.
FISNYSE: FIS: Provides technology solutions for merchants, banks, and capital markets
Experience administering Exchange, Windows and Linux servers, storage and hypervisors; familiarity with SCCM, backups, TCP/IP, and project leadership; bachelor’s degree in a technical discipline or equivalent experience.
Exchange, SCCM, Hyper-V, AOS, NetApp, Nutanix, HP Servers, HP StoreOnce, SQL Server, Domino Notes Server, HYCU, Veeam, MS Windows Server, Linux, TCP/IP