69 it administrator jobs at 59 companies in Ladera Ranch, CA
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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
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+
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IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
1+ YOE1+ years system administration experience with on-prem infrastructure, Windows/Linux administration, Active Directory/Azure AD, endpoint management (Intune,GPO), networking, AV support, lifting ability, and security-first mindset.
Kubernetes (k8s), Ansible, PowerShell DSC, AWS, Azure, GCP, Grafana, Prometheus, Python, Bash, PowerShell, Siemens Teamcenter, MATLAB, Visual Studio, Active Directory, Azure AD / Entra ID, Microsoft Intune, Group Policy (GPOs), SAN
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
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IT Systems Administrator, IT Applications
Redmond or Hawthorne or Bastrop
$95k-$150k/yr OnsiteFull Time
3+ YOEBachelor's or equivalent experience,3+ years managing enterprise applications,experience with Atlassian administration,API integrations (REST,GraphQL,webhooks),scripting (Groovy,Python,Java),and SQL in Linux environments.
Jira Software, Jira Service Management, Confluence, REST, GraphQL, webhooks, Groovy, Python, Java, SQL, Linux, ScriptRunner
2w
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IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
2+ YOERequires 2+ years in Windows systems or network administration and two or more relevant certifications, such as CompTIA A+, CompTIA Network+, MCSA, or CCNA. Bachelor's degree or equivalent experience desired.
Active Directory, Entra ID, Hyper-V, VMware, Microsoft 365, Zoom Phone, Contact Center, Google Workspace, Windows Server, OS X, Linux, UniFi Access Points, UniFi Cameras, Checkpoint Harmony Endpoint Protection, Checkpoint Harmony Email & Collaboration, Ubiquiti UniFi, Exchange Online, Windows 365, Windows Sandbox
6d
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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+
2mo
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Senior IT System Administrator
Long Beach, California, United States
$107k-$152k/yr OnsiteFull Time
4+ YOE4+ years enterprise IT systems administration; expertise with Windows Server, Active Directory, Group Policy, endpoint management (JAMF/Intune/SCCM), patch management, scripting (PowerShell/Python/Bash), virtualization, and networking fundamentals.
Windows Server, Active Directory Domain Services, Group Policy, Configuration Manager (SCCM), JAMF, Linux, VMware, Hyper-V, PowerShell, Python, Bash, WSUS, Ivanti, Automox, NIST 800-53, CIS benchmarks, CMMC
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IT Site Administrator
Carlsbad or Fairhaven
$76k-$99k/yr OnsiteFull Time
5+ YOEBachelor's degree (Information Systems/Computer Science) or equivalent, MCSE preferred, 5+ years supporting mission-critical desktop/server/enterprise environments, project coordination, backups, security, and 24x7 on-call participation.
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IT Services Administrator
Brea, California, United States
$71k-$80k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent, 5+ years systems/IT infrastructure experience, experience with enterprise/ERP systems (SAP preferred), familiarity with AI productivity tools, strong security and troubleshooting skills.
SAP S/4HANA, SAP Joule, Microsoft Copilot, ChatGPT
1w
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IT Systems Administrator
Riverside, California, United States
$110k-$130k/yr OnsiteFull Time
3+ YOERequires 3+ years of desktop and systems support, Windows laptops and servers, Microsoft 365, Active Directory, Hyper-V, networking, security, documentation, and customer-service skills.
Windows 10, Windows 11, Windows Server 2025, Microsoft Hyper-V, Microsoft 365, Active Directory, Microsoft Entra ID, Group Policy, Exchange Online, Teams, SharePoint, OneDrive, DNS, DHCP, RingCentral, Cisco, Cisco Meraki, Unitrends, TeamViewer, VPN, VLANs
4d
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Network & IT Infrastructure Administrator
Los Angeles, California, United States
$70k-$100k/yr OnsiteFull Time
3+ YOEBachelor's degree and 3+ years in network administration, infrastructure operations, or IT support; experience with Cisco networking, Windows Server, Active Directory, troubleshooting, and Microsoft Office required.
LAN/WAN, WLAN, VPN, Cisco Routers, Cisco Switches, Cisco Firewalls, Cisco Wireless Infrastructure, Windows Server, Active Directory, Microsoft Office Suite, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, Cisco Meraki, Microsoft Entra ID, Microsoft 365, IPSec, SSL VPN, IDS/IPS, VoIP, Unified Communications
2mo
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Junior IT Systems Administrator (part-time)
Pasadena or United States
$35-$45/hr HybridPart Time
1+ YOE1–3 years systems administration or IT support experience; experience with Active Directory/Microsoft Entra ID, MDM (Addigy, Jamf, Intune), Windows/macOS endpoints, networking fundamentals, cloud services, and ability to travel to Pasadena-area sites and lift up to 50 lbs.
Windows, macOS, Active Directory, Microsoft Entra ID (Azure AD), Addigy, Jamf, Microsoft Intune, TCP/IP, DNS, DHCP, VLANs, Windows 10/11, Windows Server, Cisco, Fortinet, pfSense, Meraki, Microsoft 365, Google Workspace, Exchange Online, Microsoft Teams, SharePoint, Microsoft Intune/Endpoint Manager, Freshservice, Freshworks, ServiceNow, Ubuntu, RHEL, CentOS, PowerShell, Bash, VMware vSphere, Microsoft Hyper-V, Proxmox, Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP)
1w
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IT & Systems Administrator - SoCal Region
San Diego or Vista or San Juan Capistrano or Redondo Beach or Orange or Oceanside or California
$38-$46/hr HybridFull Time
5+ YOERequires 5+ years of IT administration and end-user support, Microsoft 365 and Entra ID experience, endpoint management, PowerShell, Windows Server, Active Directory, networking, a California driver's license, and regular regional travel.
Microsoft 365, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Entra ID (Azure AD), Entra Connect, Active Directory, Microsoft Intune, PowerShell, NetSuite, Celigo, RingCentral, Point-of-sale systems, Windows Server, RMM, VMWare, MS-102, AZ-104, SC-300, MD-102
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
6d
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Onsite IT Systems Administrator / IT Support Specialist
Rancho Santa Margarita, California, United States
$35-$55/hr OnsiteFull Time
Experience administering Windows, Linux, Hyper-V, servers, desktops, VPN, Active Directory, Exchange, hardware, networking, security, updates, backups, and compliance documentation; strong communication and problem-solving skills.
Windows, Linux, Hyper-V, VPN, MS Office, Dell, PERC, Hardware RAID, RAID, Windows Active Directory, MS Exchange, Ubuntu, Debian, AWS, Azure, HP, Aruba, Ethernet, SOC2, ISO 27001, FedRAMP, E-Verify
2w
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IT Database Administrator Sr.
Irvine, California, United States
$104k-$174k/yr HybridFull Time
5+ YOERequires a related bachelor's degree and/or Microsoft SQL certifications, 5+ years of Microsoft SQL Server administration and enterprise distributed computing experience, and strong PowerShell, T-SQL, Azure, VMware, and database infrastructure skills.
Microsoft SQL Server, SQL Server 2019, Azure SQL, PowerShell, T-SQL, VMware, Microsoft Windows Server, IaaS, PaaS
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UAT Administrator
Rancho Cucamonga, California, United States
$24-$28/hr HybridFull Time
0+ YOEHigh school diploma or GED (associate preferred); 0–2 years administrative/customer service/insurance/tech support experience; proficiency with Microsoft Office; ability to learn Jira and other applications.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Jira, Apex, Atlas, ITC
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IT Service Operations and Support Administrator CL
Fontana, California, United States
$25/hr OnsiteFull Time
1+ YOEHigh school diploma, 1+ years IT support experience, knowledge of Windows and Microsoft Office Suite, basic networking, hardware/software troubleshooting, strong communication, ability to lift/move IT equipment.
Windows, Microsoft Office Suite
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Vendor Contracts Administrator - IT VMO
Rancho Cucamonga, California, United States
$91k-$121k/yr HybridFull Time
4+ YOE4+ years managing contract life cycles for technology/IT service agreements, experience with large/complex IT contracts, cross-functional stakeholder collaboration, strong negotiation, project and process management, and valid California driver’s license.
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