240 windows administrator jobs at 168 companies in Santa Ana, CA
2w
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Principal Windows System Administrator
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
5+ YOERequires 5+ years relevant experience or an advanced degree with 3+ years, active Secret clearance, U.S. citizenship, Windows administration experience, and Security+ CE or equivalent within 6 months.
Active Directory, Exchange, WSUS, Hyper-V, VMware, Group Policy, Ivanti, Splunk, Tenable, Symantec, Nessus, HPE MSA, NetApp, DNS, DHCP, VMware vCenter, vSphere, ESXi, Virtual Desktop Infrastructure (VDI), Microsoft Hypervisor
1mo
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Classified Windows System Administrator
El Segundo or Chantilly
$75k-$113k/yr OnsiteFull Time
3+ YOETS/SCI clearance and U.S. citizenship required. 3+ years enterprise Windows administration, 2+ years virtualization (VMware or Hyper-V). Must meet DoD 8570.01-m IAT Level II (CompTIA Security+). Experience with Citrix, Active Directory, NFS, and EM environments preferred.
Citrix, Windows Terminal Server, VMware, Hyper-V, Windows Admin Center, MS SQL, Puppet, PowerShell DSC, Ansible, Bash, PowerShell, Terraform, Python, NFS, Active Directory
1d
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System Administrator
Fort Worth or San Dimas or Piney Flats or Conyers or Goodyear
OnsiteFull Time
5+ YOERequires 5–7 years of systems administration experience, hands-on Azure and Microsoft 365 administration, Windows Server expertise, backup and recovery, security monitoring, incident response, and complex troubleshooting.
Windows Server, Active Directory, Group Policy, DNS/DHCP, Microsoft 365, Exchange Online, Microsoft SharePoint Online, Microsoft Teams, Entra ID, Microsoft Azure, Microsoft Intune, Endpoint Detection and Response (EDR), Privileged Access Management (PAM), Multi-Factor Authentication (MFA), NIST, CIS Controls
2w
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System Administrator
Los Angeles, California, United States
$60-$70/hr HybridContract
5+ YOE5+ years infrastructure/system administration experience (media/VFX preferred). Expert Windows/Mac/Linux administration, system imaging, scripting (PowerShell/Bash/Python), render farm and storage management, AWS and monitoring tools.
Windows, Mac, Linux, WDS, WSUS, SCCM, ECM, PDQ Deploy, PowerShell, Bash, Python, HP Anyware, Parsec, Splashtop, Jump Desktop, Nuke, Resolve, Cinema 4D, Houdini, Thinkbox Deadline, AWS Deadline Cloud, RenderMan, LogicMonitor, Grafana, S3, EC2, VPC, Intune, Apple Business, JAMF Pro, Cisco Prime, Arista CloudVision, Aruba Central, Ruckus SmartZone
6d
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Systems Administrator
Brea, California, United States
$85k-$120k/yr OnsiteFull Time
Bachelor's degree or equivalent experience, systems administration experience, Windows Server, Hyper-V, networking, security, cloud platforms, scripting, Active Directory, backups, and on-call support.
Windows Server, Windows Hyper-V, AWS, Azure, Bash, PowerShell, Python, Active Directory, Group Policy, Microsoft Certified Solutions Expert (MCSE)
1w
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Network Administrator
Los Angeles or Monterey Park
$120k-$160k/yr OnsiteFull Time
7+ YOEBachelor's degree in computer science or related field and 7 years of systems and network administration experience. Requires Windows, networking protocols, security, virtualization, cloud, troubleshooting, and automation expertise.
Microsoft Windows, Windows Servers, DNS, DHCP, SMTP, HTTP, HTTPS, SFTP, Microsoft Active Directory Services, Entra ID, Office 365, Microsoft SharePoint, VPN Appliances, Cisco Meraki Appliances, Enterprise Antivirus, CrowdStrike, Zoom Administration, Microsoft Teams, VPNs, ACLs, IPSEC, SSL, PowerShell, VMware, Hyper-V, Rubrik Backup and Recovery, Nessus, Splunk
3mo
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System Administrator
Panorama City, California, United States
$40-$50/hr OnsiteFull Time
3+ YOE3+ years IT support or system administration experience; strong Windows Server/Active Directory, Microsoft 365, endpoint support, networking, RMM, backup monitoring, troubleshooting, and documentation skills.
Windows Server, Active Directory, DNS, DHCP, Group Policy, File Server, Print Server, Microsoft 365, Exchange Online, Microsoft Teams, SharePoint, OneDrive, Entra ID, Windows 10, Windows 11, Microsoft Office, VPN, NinjaOne, Meraki, SentinelOne, Microsoft Defender, ERP, Power BI, RMM
3w
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System Administrator
Oceanside, California, United States
$110k-$130k/yr OnsiteFull Time
3+ YOE3+ years IT help desk/systems administration experience; B.S. in IT or equivalent experience; proficiency with Microsoft AD/O365, VMWare, Windows Server, Mac OS X, backup/recovery and security frameworks.
Microsoft Office 365, Microsoft Active Directory, VMWare, Windows Server, Mac OS X, Network Attached Storage (NAS), NIST Cybersecurity Framework (NIST CSF)
10h
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Network Administrator
Rancho Cucamonga, California, United States
$122k-$159k/yr OnsiteFull Time
5+ YOERequires 5 years of enterprise systems and LAN/WAN administration experience, a bachelor's degree, CCNA or CCNP, California Class C driver's license, and expertise in networks, cloud infrastructure, Windows servers, security, and Microsoft O365.
SIEM, IPS, NIST, CIS, ISO 27001, COBIT, PCI DSS, Microsoft O365, Active Directory, Windows, LAN, WAN, Intranet, Internet, VMware, Palo Alto, Microsoft
1mo
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Senior Systems Administrator
Anaheim, California, United States
$85k-$105k/yr OnsiteFull Time
5+ YOE5+ years systems administration experience with Microsoft 365, Active Directory, Windows, networking, endpoint security, backups, and documentation; strong troubleshooting and communication skills.
Microsoft 365, Active Directory, Windows, DNS, DHCP, VPN, PowerShell, SIEM, EDR/MDR
2mo
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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.
macOS, Windows, Linux, routing, switching, VPNs, firewalls, wireless, Active Directory, Azure AD, Okta, AWS, GCP, Azure, Google Workspace, Microsoft 365, Slack, Zoom, GitHub, Bash, PowerShell, Python, Jamf, Intune, NIST CSF, CIS Controls, CompTIA Security+, Network+
3mo
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IT System Administrator
Commerce, California, United States
$55k-$59k/yr OnsiteFull Time
3+ YOE3+ years Windows server administration; associate degree or equivalent experience; strong AD, EHR, and IT infrastructure skills.
Windows Server, Active Directory, Office 365, NextGen EHR, EDR, Care Sentry, Welligent, Casewatch, antivirus, backup, monitoring
1mo
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IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
7+ YOE7+ years systems administration and infrastructure experience supporting Windows Server, virtualization, cloud, networking and OT (PLCs/SCADA); Bachelor\u0002s or equivalent experience; preferred networking and security certifications.
Windows Server, Active Directory, DNS, DHCP, VMware, Hyper-V, Azure, Microsoft M365, PLCs, SCADA, HMI, TCP/IP, VLANs, Firewall, VPN
1w
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Network Administrator Sr.
Riverside, California, United States
OnsiteFull Time
7+ YOERequires 7+ years of IT experience, 4+ years in network or system administration, CompTIA Server+ or Network+ or equivalent, CA driver's license, and experience with Windows Server, networking, security, and PowerShell.
Windows Server, Active Directory, SAN, TCP/IP, DNS, DHCP, VPN, PowerShell, Firewalls, IDS, Endpoint Protection, IPS
2mo
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Test Center Administrator (Prometric)
Diamond Bar, California, United States
OnsitePart Time
1+ YOEHigh School Diploma required; 1-2 years customer service experience; ability to read instructions; strong report writing; familiarity with Windows and browser use.
Windows, Internet Browser
1mo
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HSSE Administrator
Long Beach, California, United States
$70k-$80k/yr OnsiteFull Time
Maintain HSSE records, support compliance and reporting, assist audits and permits, coordinate vendors, and provide administrative support for maritime operations.
Windows, Microsoft 365
1mo
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Senior Systems Administrator
Long Beach, California, United States
$103k-$155k/yr OnsiteFull Time
6+ YOE6+ years Linux and Windows systems administration experience; expertise in Linux, Active Directory, DNS, DHCP, enterprise backup solutions; scripting/automation and cloud (Azure/GCP) experience; strong troubleshooting and documentation skills.
Linux, Windows, Azure, GCP, Active Directory, DNS, DHCP, Veeam, Commvault, Rubrik, Ansible, Puppet, Terraform, Bash, Python, PowerShell
3d
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Site IT System Administrator
Chino, California, United States
$80k-$105k/yr HybridFull Time
3+ YOERequires 3+ years in IT support or systems administration, Windows, Active Directory, networking, Windows Server, virtualization, asset and vendor management, and an associate-level IT education or equivalent experience.
Active Directory, Microsoft Entra ID, Windows Server, Microsoft 365, Microsoft Azure, VMware, Hyper-V, Microsoft Office, DNS, DHCP, VPN, Intune, SonicWall, CompTIA A+, CompTIA Network+, CompTIA Security+
1mo
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Senior Application Administrator
Los Angeles, California, United States
$85k-$130k/yr OnsiteFull Time
5+ YOEExpert-level application configuration and lifecycle management, Windows Server administration, SQL and reporting, application monitoring and performance tuning, SOX change-control experience, strong communication; 5+ years IT/application support required; Bachelor's preferred.
Windows, Windows Server, SQL
1mo
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IT Administrator
Carson or Santa Fe Springs
OnsiteFull Time
2+ YOE2+ years IT admin/help-desk experience; strong Windows and Microsoft 365 skills; experience with Active Directory, Azure AD/Intune, VPN, networking, endpoint security, asset management, and troubleshooting.
Windows, Microsoft 365, Microsoft Office 365, Active Directory, Azure AD (Entra ID), Microsoft Intune, VPN, Microsoft Outlook, Microsoft Teams, Microsoft Azure, AWS, ERP, CRM, VoIP
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