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50 m365 administrator jobs at 44 companies in Temecula, CA

2w
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System Administrator
Oceanside, California, United States
$110k-$130k/yr OnsiteFull Time
MagnaFlow
MagnaFlow: Designs and manufactures automotive performance exhaust and suspension systems.
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)
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2mo
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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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3w
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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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3d
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Human Resources Administrator
Irvine, California, United States
$28-$30/hr OnsiteFull Time
Fairgrove Property Management
Fairgrove Property Management: Residential property management services for Southern California real estate investors.
2+ YOERequires 2+ years of HR administrative experience, a bachelor's degree or equivalent experience, California employment law knowledge, Microsoft Office 365 proficiency, organization, communication, discretion, and customer service skills.
Microsoft Office 365
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1w
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IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
Evans Manufacturing
Evans Manufacturing: A manufacturing supporting IT infrastructure across its operations.
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
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1mo
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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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2d
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Systems Administrator Lead
San Bernardino, California, United States
$110k-$137k/yr OnsiteFull Time
Stater Bros. Markets
Stater Bros. Markets: Operates a chain of supermarkets in Southern California.
10+ YOE10+ years supporting enterprise Windows servers; expertise in Windows Server, Linux, Azure, Microsoft 365, Active Directory, virtualization, storage, networking, recovery, and infrastructure leadership. California driver's license required.
Windows Server, Red Hat Enterprise Linux, Unix, Azure, Microsoft 365, Entra ID, Intune, Microsoft Copilot, vLLM, Active Directory, Group Policy, VMware, Hyper-V, Docker, Kubernetes, LAN/WAN, SAN, DNS, DHCP, Exchange Online
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14h
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IT Systems Administrator
Riverside, California, United States
$110k-$130k/yr OnsiteFull Time
ENC
ENC: Manufacturer of heavy-duty transit buses and shuttle vehicles.
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
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2w
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Service Desk Administrator
Johnston or Melbourne or Tempe or Austin or Aurora or Greenwood Village or Corona or St. Paul or St. Louis or Sioux Falls or McHenry or Houston or Cedar Rapids
$50k-$81k/yr OnsiteFull Time
HR Green
HR Green: Provides engineering and technical consulting for infrastructure and community projects.
1+ YOE1–5 years help desk/IT support experience; working knowledge of Windows 11, Microsoft 365, Citrix, SCCM, Active Directory; valid driver’s license and reliable transportation.
Windows 11, Microsoft 365, Outlook, Teams, OneDrive, Citrix, SCCM, Active Directory, Entra ID (Azure AD)
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2mo
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Information Security Administrator
Chino, California, United States
$129k-$157k/yr OnsiteFull Time
Inland Empire Utilities Agency
Inland Empire Utilities Agency: Provides regional wastewater treatment and wholesale water distribution services.
5+ YOEFive years of information security governance and operations; knowledge of network monitoring, vulnerability management; experience with OT/ICS security is desirable; must hold valid California driver’s license and one security certification.
Firewalls, Endpoint protection, SIEM, VPNs, Microsoft 365, Azure, Windows servers, Linux servers, Active Directory
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2d
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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
Devil Mountain Wholesale Nursery
Devil Mountain Wholesale Nursery: Wholesale producer and distributor of landscape plants and trees.
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
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1w
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Information Technology Generalist - MAP
San Bernardino, California, United States
$32/hr OnsiteFull Time
Community Solutions, Inc.
Community Solutions, Inc.: Community-based support for justice-involved individuals and families.
3+ YOEAssociate degree in computer science, business administration, or related field, or equivalent experience; 3 years of IT support experience; Microsoft Office and M365 experience; valid driver's license.
Microsoft Office, M365
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2w
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Systems Engineer II
Carlsbad, California, United States
$110k-$125k/yr OnsiteFull Time
Vuori
Vuori: Designs and sells performance athletic and lifestyle apparel.
5+ YOE5+ years systems engineering or M365 platform administration; expertise in Microsoft 365, SharePoint, Teams, Azure; PowerShell and automation experience; familiarity with Entra ID and AI productivity tools.
Microsoft 365, SharePoint Online, OneDrive, Microsoft Teams, Exchange Online, Copilot, Power Automate, Azure, PowerShell, Entra ID
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2d
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Administrative Assistant, ADN Program
Costa Mesa, California, United States
$29-$32/hr OnsiteFull Time
Pacific College
Pacific College: Private college providing professional nursing and healthcare administration programs.
Requires administrative support experience, strong communication, organization, confidentiality, data management, and proficiency with Microsoft Office 365, Windows, and data entry software.
Microsoft Office 365, Microsoft Word, Microsoft Excel, Windows Operating System, Complio, ATI Assessments, ATI TEAS
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2d
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MSOT Clinical Programs Administrative Assistant
Irvine, California, United States
$23-$25/hr OnsiteFull Time
Stanbridge University
Stanbridge University: Provides vocational degree programs in nursing and allied health.
2+ YOEAssociate degree or equivalent, 2+ years of administrative experience, strong organization and communication skills, and proficiency with Microsoft 365, databases, and confidential records.
Microsoft 365, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Teams, Microsoft SharePoint, Canvas, AI-assisted productivity tools
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1mo
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Infrastructure Engineer
Costa Mesa, California, United States
$109k-$120k/yr HybridFull Time
El Pollo Loco
El Pollo LocoNASDAQ: LOCO: Quick-service restaurant chain specializing in Mexican-style grilled chicken.
3+ YOEBachelor's in CS/related and 3+ years infrastructure administration; strong AWS and SQL skills; VMware, networking, AD/M365, endpoint management, scripting (PowerShell/Python/Bash), and colo/cloud migration experience.
AWS, EC2, Lambda, Aurora, RDS, DynamoDB, VPC, Transit Gateway, S3, IAM, Cost Explorer, CloudFormation, Terraform, Bedrock, VMware vSphere, VMware vCenter, NSX, Cohesity, Meraki, Palo Alto, Prisma, Active Directory, Microsoft Azure AD, Microsoft Entra ID, OneLogin, Microsoft Office 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Intune, Mimecast, Ivanti, Atera, SolarWinds HCO, PowerShell, Python, Bash, SQL, CI/CD
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4d
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Administrative Support Coordinator (Administrative Support Coordinator I), Educational Opportunity Program
San Bernardino, California, United States
$4k-$6k/mo OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
3+ YOEHigh school or vocational education and 3 years of related office experience required; strong communication, organizational, budget, administrative, and technology skills. Bachelor's degree preferred.
Microsoft Teams, PeopleSoft, Microsoft Office 365, Microsoft Excel, Microsoft PowerPoint, CSUBUY, Staples, Amazon
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1mo
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Administrative Assistant (On-Site – La Jolla)
La Jolla, California, United States
$26-$28/hr OnsiteFull Time
Plumb
Plumb: Provides outsourced accounting, bill pay, and family office services.
3+ YOE3+ years administrative experience, strong organization, communication, time management, confidentiality, and proficiency with Microsoft Office 365 (Word, Excel, PowerPoint, Teams, Outlook).
Microsoft Office 365, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams, Microsoft Outlook
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3d
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Executive Assistant - Office of the CEO
Highland, California, United States
OnsiteFull Time
Yuhaaviatam of San Manuel Nation
Yuhaaviatam of San Manuel Nation: Operates a luxury resort and casino in Southern California.
5+ YOEAssociate's degree in business administration or related field, 5+ years of progressive administrative support experience, executive calendar, travel, communication, discretion, Microsoft 365, and budget skills.
Microsoft Outlook, Microsoft 365
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4w
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Senior Executive Assistant
Irvine, California, United States
$35-$54/hr OnsiteFull Time
Providence
Providence: Non-profit health system providing comprehensive medical and social services.
5+ YOEBachelor's degree in English, liberal arts, or related subject, technical secretarial or office-support training, and 5 years of executive administrative assistant experience.
Microsoft 365
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