93 windows systems administrator jobs at 58 companies in Half Moon Bay, CA
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Unix Systems Administrator
Fremont, California, United States
$125k-$135k/yrOnsiteFull Time
ISE Labs: Private semiconductor engineering services providing IC assembly, packaging, testing, qualification, and failure analysis for semiconductor customers.
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
Cytek BiosciencesThe Nasdaq Global Select Market: CTKB: Public biotechnology making flow cytometry instruments, reagents, software, and services for cancer and cell-biology researchers.
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.
Ross StoresNASDAQ: ROST: Off-price retailer of apparel and home fashion.
2+ YOERequires 2-4 years supporting retail systems, including 1 year in complex supply chain distribution environments; networking, UNIX, Windows, warehouse systems, troubleshooting, and related IT processes experience.
Ross StoresNASDAQ: ROST: Off-price retailer of apparel and home fashion.
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.
Shield AI: Developer of AI-powered autonomous systems for defense and aerospace.
5+ YOERequires 5+ years in systems administration or enterprise IT, 3+ years supporting VIP users, Windows/macOS/Linux, Active Directory, Azure AD, endpoint troubleshooting, networking, IT service management, and on-call availability.
Windows, macOS, Linux, Active Directory, Azure AD, Jira Service Management, Snipe-IT, ServiceNow, Microsoft Endpoint Manager (Intune), JAMF, PowerShell, Bash, DNS, DHCP, TCP/IP
PingWind: Service-disabled veteran-owned IT and management consulting serving federal agencies with cybersecurity, software, supply-chain, and digital-transformation services.
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
8VC: Private venture capital firm building and investing in technology companies across healthcare, logistics, enterprise, and defense.
Requires Okta administration and automation, Google Workspace or Microsoft 365 administration, MDM and zero-touch deployment familiarity, network troubleshooting, SaaS operations, and Mac and Windows support.
Okta, Google Workspace, Microsoft 365, MDM, Mac, Windows
Shield AI: Developer of AI-powered autonomous systems for defense and aerospace.
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
Delart: Private engineering services firm developing wireless, networking, hardware, software, and telecommunications solutions for technology companies.
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.
Rigel PharmaceuticalsNasdaq: RIGL: Public biotechnology developing and providing small-molecule therapies for patients with hematologic 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
Blue River Technology: John Deere subsidiary building computer-vision agricultural robots and intelligent machinery for farmers and other field operators.
3+ YOERequires 3+ years in systems or network administration, Windows/macOS/Linux, MDM, identity platforms, SaaS, Zscaler, scripting, and technical documentation. Onsite several days weekly and occasional after-hours support required.
Senior Systems Administrator - South San Francisco, California
South San Francisco, California, United States
$135k-$145k/yrOnsiteFull Time
Slipstream IT: Life sciences technology consulting and managed IT services firm serving pharmaceutical, biotechnology, and other regulated organizations.
Requires macOS and Windows administration, scripting, server administration, Veeam/NAS/S3 experience, troubleshooting and communication skills, and full-time onsite availability.
Sydney or Manila or London or Vancouver or San Francisco
OnsiteFull Time
Freelancer LimitedASX: FLN: Publicly traded Australian freelancing marketplace connects businesses with global freelancers and provides online escrow payment services.
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
Lieff, Cabraser, Heimann & Bernstein, LLP: Plaintiffs’ law firm representing individuals, businesses, and public and private entities in class actions and complex litigation.
3+ YOERequires 3+ years supporting Windows environments, 1+ year in a law firm, Microsoft Office 365 proficiency, troubleshooting and customer service skills, technology support experience, and ability to lift 20 pounds.
Windows, Mac OS, Microsoft Office 365, HP, Lexmark, Canon, Poly, Zoom, Microsoft Teams, Citrix XenDesktop, Cisco, VMware, Windows Active Directory, Exchange, GPO, Help Desk
Velaura AI: Private AI compute infrastructure developing ultra-low-power silicon and software for data centers and Physical AI.
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
Information Technology (IT) Systems Administrator (Systems Application Analyst 3)-29952
Mountain View, California, United States
$96k-$125k/yrOnsiteFull Time
Mission TechnologiesNYSE: HII: HII defense technology division delivering integrated all-domain solutions to defense, federal, and commercial customers.
3+ YOERequires 3+ years technical support experience, Security+ certification, systems and network administration skills, scripting experience, US citizenship, and ability to obtain and maintain government clearance.
FirmaTRUST: Privately held managed IT, cybersecurity, and compliance firm serving businesses, especially biotech and life-sciences organizations.
4+ YOERequires 4+ years of user support and systems administration experience, a bachelor's degree in a relevant field, Windows and Apple proficiency, server and cloud-services experience, MDM and security knowledge, and strong troubleshooting and communication skills.
Windows, Apple, Windows Server, Office 365, Microsoft Office 365, Google Workspace, MDM
Senior Systems Administrator – Scientific IT Infrastructure & Cybersecurity
Berkeley, California, United States
$179k-$218k/yrOnsiteFull Time
Advanced Light Source: U.S. Department of Energy synchrotron user facility providing X-ray and ultraviolet research capabilities to scientists.
12+ YOEBachelor’s degree or equivalent plus 12 years of relevant IT experience, or 8 years with a master’s degree; people management, enterprise systems administration, cybersecurity, networking, virtualization, Kubernetes, and infrastructure automation expertise required.
Securitas TechnologyNasdaq Stockholm: SECU-B: Global provider of integrated electronic security solutions.
2+ YOEHigh school diploma or GED, Lenel certification, 2+ years of programming experience, and advanced skills in hardware, software, networking, databases, servers, coding, and cloud computing.
Lenel, C-Cure, Avigilon, Windows, Microsoft Remote Desktop
Senior Systems Administrator – Scientific IT Infrastructure & Cybersecurity
Berkeley, California, United States
$179k-$218k/yrOnsiteFull Time
Advanced Light Source: U.S. Department of Energy synchrotron user facility providing X-ray and ultraviolet research capabilities to scientists.
12+ YOEBachelor’s degree or equivalent plus 12 years of IT experience, or master’s degree plus 8 years; people management, enterprise systems, cybersecurity, networking, virtualization, Kubernetes, and infrastructure automation expertise required.
Windows, Linux, macOS, VMware, Hyper-V, Proxmox, Kubernetes, Active Directory, NetApp, RAID, TCP/IP, NIST SP 800-53, DOE Risk Management Framework, CI/CD