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32 it administrator jobs at 28 companies in Temecula, CA

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IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
AstroForge
AstroForge: Mines and refines valuable minerals from near-Earth asteroids.
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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Senior IT Systems Administrator
San Diego, California, United States
$115k-$155k/yr OnsiteFull Time
Seasats
Seasats: Builds autonomous surface vessels for persistent maritime intelligence.
6+ YOE6+ years IT systems administration experience; Google Workspace or Microsoft 365 admin; MDM for Windows and macOS; Linux knowledge; strong networking (DNS, DHCP, VLANs, VPNs, Wi‑Fi), identity/SSO/MFA, endpoint security, and support/process experience.
Google Workspace, Microsoft 365, Windows, macOS, Linux, MDM, Okta, JumpCloud, Kandji, Jamf, Microsoft Intune, Python, PowerShell, Bash, DNS, DHCP, VLANs, VPNs, Wi‑Fi, firewalls, SSO, MFA
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IT Site Administrator
Carlsbad or Fairhaven
$76k-$99k/yr OnsiteFull Time
Acushnet
AcushnetNYSE: GOLF: Designs and manufactures high-performance golf products and apparel.
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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2w
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IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
CTC Global
CTC Global: Manufactures advanced composite cores for high-voltage electricity transmission cables.
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
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IT Database Administrator III
Riverside, California, United States
$115k-$161k/yr OnsiteFull Time
County of Riverside
County of Riverside: Provides regional government services and public safety for county residents.
4+ YOE1+ MgmtFour years journey-level database administration experience (including one year lead/advanced duties), 30 semester/45 quarter college units (or equivalent experience), advanced Microsoft SQL Server expertise, RDBMS design, backup/recovery, and system optimization.
Microsoft SQL Server 2019, OCI, AWS, Azure, Oracle, GIS, ESRI, DB2, IMS, Informix, Sybase, CA-7, COBOL, CLISTS, DBRC, DFDSS, ERwin, ER Studio, FDR, ISPF, MVS, PACE, RMF, SMF, TSO, Turbo Image, VSAM
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UAT Administrator
Rancho Cucamonga, California, United States
$24-$28/hr HybridFull Time
Aspire General Insurance
Aspire General Insurance: Provides specialized automobile insurance and claim settlement services.
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
CEVA Logistics
CEVA Logistics: Providing global multi-modal transportation and contract logistics services.
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
Inland Empire Health Plan
Inland Empire Health Plan: Public health plan providing managed care to residents.
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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Vendor Contracts Administrator - IT VMO
Rancho Cucamonga, California, United States
$91k-$121k/yr HybridFull Time
Inland Empire Health Plan
Inland Empire Health Plan: Provides managed healthcare coverage to residents of the Inland Empire.
4+ YOEMinimum 4 years managing IT/vendor contract lifecycles, experience negotiating complex IT agreements, working with legal/compliance/finance, bachelor\u0002s degree (or equivalent experience), valid California driver\u0002s license, strong communication and project skills.
ITIL
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IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hr HybridFull Time
Melissa
Melissa: Provides global address, identity, and contact data quality solutions.
Experience administering AWS, Linux (Ubuntu), Windows, Kubernetes and Docker; familiarity with EC2, ALB, EKS and Alibaba Cloud; participation in SOC2/ISO 27001/FedRAMP compliance; OSCAL/documentation automation; on-call support availability.
AWS, EC2, ALB, EKS, Alibaba Cloud, Kubernetes, Docker, Ubuntu, Linux, Windows, OSCAL (Open Security Controls Assessment Language), hypervisors
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IT Manager
San Diego, California, United States
$130k-$145k/yr OnsiteFull Time
Approved Transportation and Warehousing
Approved Transportation and Warehousing: Provides global relocation, logistics, and freight forwarding services.
7+ YOE7+ years hands-on IT experience including Azure, Microsoft 365, cloud, network administration, Windows Server, Intune, help desk support, and cybersecurity; BS in IT/CS and Security+/Network+ preferred.
Azure, Microsoft 365, Intune, Windows Server, Ubiquity, Linux, CMMC
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IT Systems Engineer
Anaheim, California, United States
RemoteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
4+ YOEBachelor's degree with 4+ years systems administration experience or 6+ years without degree; Linux administration required; experience with Veeam Backup & Replication and Veeam Recovery Orchestration; Microsoft Windows Server administration; must pass drug screen.
Linux, Veeam Backup & Replication, Veeam Recovery Orchestration, Microsoft Windows Server
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IT Student Assistant
Riverside, California, United States
$17/hr OnsitePart Time
La Sierra University
La Sierra University: Private university offering undergraduate and graduate degree programs.
Current La Sierra University student; strong organizational skills; proficient with Microsoft Office or Google Workspace; ability to coordinate schedules, vendor communications, invoicing, and IT operations.
Microsoft Office, Google Workspace, Data entry
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Senior IT Engineer
Irvine, California, United States
$140k-$180k/yr OnsiteFull Time
Turion Space
Turion Space: Builds spacecraft for orbital debris removal and satellite servicing.
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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3w
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Senior IT Network and Security Administrator Engineer
Placentia, California, United States
$100k-$135k/yr OnsiteFull Time
Arlon Graphics
Arlon Graphics: Manufactures pressure-sensitive vinyl films for signage and vehicle graphics.
7+ YOEBachelor's degree in computer science,7+ years relevant experience,knowledge of networks,Windows servers,VMware,Active Directory,network security,backup and disaster recovery,telecom,ITIL and strong communication skills.
VMware, Active Directory, Microsoft Outlook, Mimecast, Avaya
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1w
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Administrator, IT Support and Operations - Information Technology Services/Administration and Business Services (26-10268) *Riverside*
Riverside, California, United States
$656-$860/day OnsiteFull Time
Riverside County Office of Education
Riverside County Office of Education: A public agency providing educational support and direct instruction services.
5+ YOE3+ Mgmt5 years progressive IT experience with 3 years supervising minimum five staff, bachelor's in CS/IT/Engineering/Business (or year-for-year experience substitution), valid California driver’s license, and certifications from Microsoft, CompTIA, (ISC)², PMI, or VMware desired.
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IT Specialist I
Temecula, California, United States
$22-$23/hr OnsiteFull Time
Linfield Christian School
Linfield Christian School: Private K-12 Christian college preparatory school in Temecula, California.
1+ YOEProvide Tier 1 desktop support, troubleshoot hardware/software, perform repairs, assist with AV, basic account administration in Google Workspace and Microsoft admin consoles; preferred A.S. or 1 year experience and CompTIA A+/Network+.
Windows, macOS, Google Workspace, Microsoft admin console, Active Directory, VoIP
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IT Support Analyst
Irvine, California, United States
$75k-$93k/yr OnsiteFull Time
TP-Link
TP-Link: Global manufacturer of networking hardware and smart home devices.
3+ YOE3+ years IT support/operations experience,2+ years Microsoft 365 administration experience,knowledge of Intune/Autopilot,Windows/macOS troubleshooting,network basics,and strong documentation and communication skills.
Microsoft 365, Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Entra ID, Microsoft Intune, Windows Autopilot, Microsoft 365 Admin Center, Exchange Admin Center, Entra Admin Center, Jira Service Management, ServiceNow, PowerShell, Adobe Creative Suite, WMS, ERP, CRM
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3w
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Senior IT Support Specialist
Irvine, California, United States
$75k-$85k/yr OnsiteFull Time
Fluxergy
Fluxergy: Portable diagnostic platform for rapid point-of-care laboratory testing
6+ YOE6+ years supporting Windows desktops and Microsoft 365 administration; advanced troubleshooting across endpoints, networking, and Microsoft Intune; strong communication and executive support skills.
Microsoft 365, Entra ID (Azure AD), Exchange Online, Microsoft Intune, SharePoint, OneDrive, Microsoft Teams, Windows 10, Windows 11, macOS, ManageEngine ServiceDesk, CrowdStrike, SentinelOne, Darktrace, PowerShell
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2w
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IT Helpdesk/Admin (Clearance Required)
Corona, California, United States
$30-$32/hr OnsiteFull Time
Synectic Solutions
Synectic Solutions: Provides engineering and logistics services to defense agencies.
8+ YOE5+ MgmtActive U.S. citizenship and Secret clearance, CompTIA Security+ or IAT Level II, 8+ years experience with 5+ years in IT administration/DoD program management, Microsoft Office/SharePoint proficiency.
Microsoft Office Suite, Microsoft SharePoint
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