10 it system administrator jobs at 8 companies in San Jacinto, CA

13h
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Site IT System Administrator
Chino, California, United States
$80k-$105k/yr HybridFull Time
Luna Innovations
Luna InnovationsOTC Markets: LUNA: Develops advanced fiber-optic sensing and optical testing solutions.
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+
3d
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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
1mo
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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.
5d
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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
10h
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Onsite IT Systems Administrator / IT Support Specialist
Rancho Santa Margarita, California, United States
$35-$55/hr OnsiteFull Time
Melissa
Melissa: Provides global address, identity, and contact data quality solutions.
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
1mo
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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
4w
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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
3w
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Sr Specialist, IT Applications Operations Systems
Aliso Viejo, California, United States
$107k-$142k/yr OnsiteFull Time
MicroVention
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
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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IT Support Services II - Help Desk
Palm Springs, California, United States
OnsiteFull Time
Courser
Courser: Provides managed IT services through a network of partner companies.
3+ YOE3+ years IT support or system administration experience, knowledge of Windows/Linux/macOS, networking (TCP/IP,DNS,DHCP,VPN), helpdesk tools, strong communication and troubleshooting skills.
Windows Server, Linux, macOS, TCP/IP, DNS, DHCP, VPN, ServiceNow, JIRA, Zendesk, ConnectWise, AWS, Azure, VMware, Hyper-V
1mo
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IT Support Services II - Help Desk
Palm Desert, California, United States
OnsiteFull Time
Courser
Courser: Provides managed IT services through a network of partner companies.
3+ YOE3+ years IT support or system administration experience; bachelor’s degree or equivalent preferred; strong OS, networking, helpdesk, and troubleshooting skills; experience with ServiceNow/JIRA/Zendesk and cloud/virtualization technologies.
Windows Server, Linux, macOS, ServiceNow, JIRA, Zendesk, ConnectWise, AWS, Azure, VMware, Hyper-V, TCP/IP, DNS, DHCP, VPN