112 systems administrator jobs at 82 companies in Yucaipa, CA
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Systems Administrator
Brea, California, United States
$85k-$120k/yrOnsiteFull Time
Air Treatment Corporation: Sells and services commercial HVAC and refrigeration systems.
Bachelor's degree or equivalent experience, systems administration experience, Windows Server, Hyper-V, networking, security, cloud platforms, scripting, Active Directory, backups, and on-call support.
Windows Server, Windows Hyper-V, AWS, Azure, Bash, PowerShell, Python, Active Directory, Group Policy, Microsoft Certified Solutions Expert (MCSE)
Dynamic Solutions Technology: Provides IT, engineering, and program management services to government agencies.
5+ YOE5+ years systems administration experience supporting Microsoft Windows environments; account management, troubleshooting, hardware/software installation, patching, backups; BS in IT or equivalent experience; certification like CompTIA Security+/Network+/A+, MCP, or MCSA; travel required.
Yuhaaviatam of San Manuel Nation: Operates a luxury resort and casino in Southern California.
2+ YOEBachelor's degree in computer science, information technology, or related field; 2+ years of relevant technical experience; systems administration expertise; valid driver's license; English proficiency; required fiber optic and Genetec certifications.
Microsoft Windows Server, VMware, vSphere, vCenter, SQL Server, Active Directory, SAN, NAS, DAS, Fiber Channel (FC), iSCSI, Palo Alto, Pure Storage, Dell Isilon, Cisco, ESXi, Extreme switching, SolarWinds, Dynatrace, Genetec, Microsoft Certified Systems Engineer (MCSE), Microsoft Certified Systems Administrator (MCSA), Cisco Certified Network Associate (CCNA), Extreme Networks, Extreme Networks Associate (XNA), Extreme Certified Specialist (ECS), Extreme Design Specialist (EDS)
Bowhead: Federal government contracting and professional services provider.
5+ YOERequires Secret clearance, IAT Level II certification, and extensive systems administration experience; qualifying paths include high school/GED plus 12+ years, bachelor's plus 8+ years, or master's plus 5+ years.
Windows, Linux, Unix, Microsoft Office Suite, firewalls, anti-virus, intrusion detection
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
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
Agua Caliente Casinos: Operates premier casino resorts and entertainment destinations in California.
3+ YOE3+ years property/user support experience; familiarity with PC hardware, Microsoft networks, Microsoft Operating Systems, Microsoft Exchange, Microsoft Office Suite and MAC OS; MCP preferred; strong verbal and written communication.
Microsoft Exchange, Microsoft Office Suite, Microsoft Operating Systems, MAC OS
Agua Caliente Band of Cahuilla Indians: Manages tribal governance and operates premier gaming and resort destinations.
3+ YOE3+ years property/user support experience; familiarity with PC hardware, Microsoft networks, Microsoft Operating Systems, Microsoft Exchange, Microsoft Office Suite, and Mac OS; strong verbal and written communication.
Microsoft Exchange, Microsoft Office Suite, Mac OS, Microsoft networks
IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hrHybridFull Time
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.
San Diego or Vista or San Juan Capistrano or Redondo Beach or Orange or Oceanside or California
$38-$46/hrHybridFull Time
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
Boot BarnNYSE: BOOT: Specialty retailer of western and work-related apparel and footwear.
2+ YOE2+ years with Epicor/Aptos or enterprise POS, strong communication and customer service, Bachelor's in CS/Business or equivalent experience, MS Office proficiency, ability to translate complex concepts.
Certus Pest: Provides pest control services for residential and commercial properties.
1+ YOEHigh school diploma or equivalent, 1+ year of administrative or customer service experience, and proficiency with Microsoft Word, Excel, Outlook, and CRM systems. PestPac, billing, payments, and collections experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook, CRM, PestPac
Patria Church: A mission-driven church strengthening families and serving communities through faith-based ministry.
Administrative experience, strong organization, detail orientation, follow-through, and ability to manage multiple systems; nonprofit or church experience is helpful but not required.
Eisenhower Health: Provides comprehensive medical care and hospital services in California.
8+ YOEBachelor's in IT or 4+ years experience, 8+ years as System Administrator, advanced certifications (Citrix, SAN, CCNA, CISSP, etc.), Epic ECSA if assigned, strong systems, storage, virtualization and security skills.
LANDesk, Microsoft Exchange, Microsoft Active Directory, DHCP, DNS, Microsoft Group Policy, Microsoft Certificate Services, PXE, Citrix, VMware vSphere, P2V, P2P, Symantec Endpoint, sys-prep, PRTG, Active Administrator, bash, vb-script, Windows DSC, Cisco UCS, CommVault, VNX, XtremIO, Isilon, Epic, SAN, Microsoft Windows Server, Microsoft Windows 10, Apple iOS, Apple OSx, Linux
WalmartNYSE: WMT: Operates a chain of hypermarkets, discount stores, and grocery stores.
1+ YOERequires 6 months Walmart Logistics clerical experience or 1 year clerical experience using email, spreadsheets, and word processing applications. Accuracy and attention to detail are essential.
Provident Savings BankNASDAQ: PROV: Community bank providing personal, business, and mortgage banking services.
7+ YOERequires 7+ years of IT experience, 4+ years in network or system administration, CompTIA Server+ or Network+ or equivalent, CA driver's license, and experience with Windows Server, networking, security, and PowerShell.
Windows Server, Active Directory, SAN, TCP/IP, DNS, DHCP, VPN, PowerShell, Firewalls, IDS, Endpoint Protection, IPS
American Exchange Group: Designs and distributes fashion accessories, footwear, and beauty products.
3+ YOE3+ years WMS administration or related IT/logistics experience; experience with Deposco or Manhattan Associates WMS preferred; SQL, data management, system integration skills; communication and problem-solving; bachelor’s degree preferred.