25 senior it systems administrator jobs at 20 companies in Willowbrook, CA
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Sr. IT Systems Administrator, IT Applications
Hawthorne or Bastrop or Redmond
$95k-$150k/yr OnsiteFull Time
3+ YOE3+ years (with degree) or 5+ years experience managing enterprise applications, Atlassian administration, API/GraphQL/webhook integrations, scripting (Groovy/Python/Java), and strong customer-facing skills.
Jira Software, Jira Service Management, Confluence, RESTful APIs, GraphQL, webhooks, Groovy, Python, Java, SQL, ScriptRunner
1mo
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IT Systems Administrator - Millennium Space Systems
El Segundo, California, United States
$103k-$174k/yr OnsiteFull Time
Maintain and configure secure enterprise and air-gapped systems; administer Windows Server, VMware, and Red Hat Linux; obtain DoD IAT/ Security+ certifications; active U.S. TS/SCI security clearance required.
Windows Server, Windows 10, VMware vCenter, VMware vSphere, Red Hat Linux, Active Directory (AD), VEEAM Backup Suite, Power Protect Data Manager, Cisco, Palo Alto, Juniper, DNS, Group Policy, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Project, DoD STIGs
1mo
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IT Systems Administrator - Millennium Space Systems
El Segundo, California, United States
$103k-$174k/yr OnsiteFull Time
Maintain and administer secure enterprise and air-gapped systems (Windows Server, VMware, Red Hat Linux); provide Tier II support; maintain documentation; must hold an active U.S. Top Secret/SCI clearance and be a U.S. Person.
Windows Server, Windows 10, VMware vCenter, vSphere, Red Hat Linux, Active Directory, DoD STIGs, Cisco, Palo Alto, Juniper, VEEAM Backup Suite, Power Protect Data Manager, DNS, Group Policies, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Project
1mo
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Senior IT Administrator
El Segundo, California, United States
$99k-$117k/yr OnsiteFull Time
5+ YOE5+ years IT support/systems administration, strong AD/Azure AD/Entra ID, M365 and Intune skills, AWS experience, IT security knowledge, advanced troubleshooting, and strong communication.
Active Directory, Azure AD/Entra ID, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Purview, Intune, AWS, VPN
1w
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Senior IT Administrator
Sherman Oaks, California, United States
HybridFull Time
5+ YOE5+ years in IT systems administration/endpoint management, hands-on MDM/EMM (Jamf or Intune), IAM (Okta/Azure AD/Google Workspace), SaaS admin (Salesforce/Qlik/Tableau), security and incident response experience, and people management skills.
Jamf, Intune, Okta, Azure AD, Google Workspace, Salesforce, Qlik, Tableau
4d
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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
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
2mo
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Senior, IT GXP Systems Specialist
El Segundo, California, United States
$55-$61/hr OnsiteFull Time
4+ YOE4+ years in IT systems administration; 1+ year in a GxP environment; bachelor's in IT/CS/engineering or 8+ years with HS.; knowledge of 21 CFR Part 11 and CSV.
Windows, TCP/IP, DNS, DHCP, VLANs, Active Directory, 21 CFR Part 11, GxP, CSV
3w
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IT Infrastructure Systems Architect
El Segundo, California, United States
$117k-$176k/yr OnsiteFull Time
8+ YOEBachelor's in a technology field,8+ years in IT systems administration/architecture, expertise with Windows/Linux, patch management, security-informed architecture and ability to obtain DoD Secret clearance.
Windows, Linux, VMware, Hyper-V, Xen, KVM, CNCF Kubernetes, Red Hat OpenShift, SUSE Rancher, AWS, Microsoft Azure, GCP, ITIL, Raspberry Pi
3w
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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
2mo
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IT Systems Engineer IV (EA)
Lynnwood or Burbank or Elyria or Fort Walton Beach
$153k-$177k/yr OnsiteFull Time
10+ YOE10-12+ years in Teamcenter administration/implementation; PLM solution design; ITAR/DFARS compliance knowledge; Java/C++ proficiency; strong leadership and cross-functional collaboration.
Teamcenter, BMIDE, Java, C++, Azure DevOps, SQL, REST, SOA, PLM
3w
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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
5d
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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
5d
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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
1mo
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IT Service Desk Engineer
Los Angeles, California, United States
$38-$43/hr OnsiteFull Time
5+ YOEBachelor's or equivalent, 5+ years IT endpoint management or system administration, MDM/RMM and M365 experience, PowerShell/Bash scripting, networking knowledge, device OS expertise.
Microsoft Intune, NinjaOne, Iru Kandji, FreshService, Absolute Computrace, Zoom, PowerShell, Bash, Windows Autopilot, Microsoft Entra ID, Microsoft 365
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