13 senior it systems administrator jobs at 12 companies in Rubidoux, CA
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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 Business Systems Administrator - HYBRID
Anaheim, California, United States
$80k-$100k/yr HybridFull Time
6+ YOE3+ years IT operations in insurance (6+ years preferred), experience with Assure/Sapiens/Guidewire/Duck Creek/Majesco, knowledge of data privacy regulations (CCPA, GDPR, NYDFS), change management, vendor coordination, Windows and MS Office proficiency.
Assure Policy, Assure Claims, Sapiens, Guidewire Software, PolicyCenter, ClaimCenter, BillingCenter, Duck Creek Technologies, Majesco, DXC, Windows OS, Microsoft Office
1mo
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Senior IT Systems Engineer
Anaheim, California, United States
$127k-$188k/yr HybridFull Time
8+ YOE8+ years system administration experience, deep hybrid cloud and Azure expertise, virtualization and backup/DR skills, strong troubleshooting and communication abilities.
Azure, Entra, Purview, Microsoft Intune, Defender, AWS, GCP, Power Automate, Microsoft CoPilot, VMware vSphere, ESXi, SAN, Office 365, Exchange Online, Microsoft SharePoint, Microsoft Teams
3mo
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Senior IT Systems Engineer
Los Angeles, California, United States
$125k-$155k/yr OnsiteFull Time
7+ YOERequires 7+ years in IT systems or infrastructure, Windows Server and Linux administration, virtualization, cloud platforms, scripting, networking, identity management, ITSM, and clear technical communication.
Windows Server, Linux, Active Directory, DNS, DHCP, VMware, Hyper-V, AWS, Microsoft Azure, Google Cloud Platform (GCP), PowerShell, Bash, Python, TCP/IP, VLANs, BGP, OSPF, Jira Service Management, Terraform, OpenTofu, Ansible, LDAP, SSO, MFA
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
1mo
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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
4w
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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
1mo
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Senior IT Engineer
Irvine, California, United States
$140k-$180k/yr OnsiteFull Time
5+ YOE5+ years in IT operations or systems administration, expert scripting/automation (PowerShell, Python, Bash), config management (Ansible/Puppet/Chef), Windows and Linux administration, networking and virtualization, Azure AD/Entra ID and MDM experience, ability to obtain US security authorization.
Microsoft PowerShell, Python, Bash, Ansible, Puppet, Chef, Terraform, Git, Azure, AWS, Hyper-V, VMware, Microsoft Azure AD, Entra ID, MDM, Windows, Linux
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Senior IT Support Engineer
Los Angeles, California, United States
$130k-$145k/yr OnsiteFull Time
5+ YOERequires 5+ years in IT support, endpoint management, or systems administration; 2+ years in a senior or escalation role; Microsoft Entra ID, Intune, PowerShell, Power Automate, ITSM, remote support, and multi-site experience.
Microsoft Entra ID, Intune, Microsoft 365, PowerShell, Power Automate, Microsoft Copilot, Power BI, SharePoint, OneDrive, Teams, Microsoft Remote Assist, Quick Assist, RDP, TeamViewer, Power Apps, Zapier, Make, n8n, Claude, Gemini, Confluence, Microsoft Windows
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Senior IT Support Engineer
Los Angeles, California, United States
$130k-$145k/yr OnsiteFull Time
5+ YOERequires 5+ years in IT support, endpoint management, or systems administration; 2+ years in a senior or escalation role; Microsoft Entra ID, Intune, Microsoft 365, PowerShell, Power Automate, ITSM, and multi-site support experience.
Microsoft Entra ID, Intune, Microsoft 365, PowerShell, Power Automate, Microsoft Copilot, Power BI, ITIL, Microsoft Remote Assist, Quick Assist, RDP, TeamViewer, Power Apps, Zapier, Make, n8n, Claude, Gemini, SharePoint, OneDrive, Teams, Confluence, Microsoft Windows, Azure AD
3w
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Sr Specialist, IT Applications Operations Systems
Aliso Viejo, California, United States
$107k-$142k/yr OnsiteFull Time
5+ YOEBachelor's in CS/IS/Business/Engineering; 5+ years technical lead experience implementing enterprise operations systems (PTC Windchill preferred); experience with CAD/PLM/MES/ERP, SQL, HTML/CSS, application administration, testing, and security.
PTC Windchill, CAD, PLM, MES, ERP, HTML, CSS, SQL
1mo
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Level 3 IT Analyst
Glendale, California, United States
$80k-$100k/yr OnsiteFull Time
5+ YOE5+ years IT support experience; strong Windows and Microsoft-based environment troubleshooting; Active Directory and Microsoft 365 administration; endpoint management, networking fundamentals, ticketing system experience, and documentation skills.
Active Directory, Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, OneDrive, Microsoft Entra ID, Microsoft Intune, SCCM, PDQ, NinjaOne, ConnectWise, Kaseya, Jira Service Management, Freshservice, Zendesk, ServiceNow, VMware, Hyper-V, PowerShell
1w
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Senior IT ERP Analyst, OTC
Broomfield or Salt Lake City or Atlanta or New York City or Cerritos
$119k-$150k/yr HybridFull Time
6+ YOEBachelor's degree preferred in information systems, computer science, business administration, or related field; 6–8 years of SAP OTC/SD experience, S/4HANA expertise, integrations, implementations, and functional specifications required.
SAP S/4HANA, SAP SD, IDocs, middleware, API, EDI, SAP CPI, Advanced ATP, Fiori, BRF+, AIF, CRM