130 junior system administrator jobs at 94 companies in Rialto, CA
2mo
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IS System Administrator
Temecula, California, United States
$123k-$135k/yr OnsiteFull Time
IT systems administration; AD governance; Azure; VDI; enterprise infrastructure experience.
Active Directory, Azure, VMware Horizon, VDI, Enterprise Cloud Identity, Hypervisor
2mo
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Junior Network Administrator
Victorville, California, United States
$65k-$78k/yr RemoteFull Time
4+ YOEMinimum 4 years networking experience, CompTIA Network+ certification, high school diploma/GED, ability to evaluate systems and security, and maintain network documentation.
2w
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Systems Administrator - Surveillance
Highland, California, United States
OnsiteFull Time
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)
16h
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Systems Administrator (Systems Administrator II), Enterprise and Cloud Services
San Bernardino, California, United States
$6k-$9k/mo OnsiteFull Time
2+ YOEBachelor's degree in a related field and 2 years of relevant experience, or equivalent substitutions. Requires system administration, cloud, troubleshooting, communication, analytical, and organizational skills.
Adobe Sign, NCS, SimpleK, SMS, Vanderbilt, Sunbelt, WebTMA, Qualtrics, Gradescope, Microsoft 365, Microsoft Intune, Google, Software-as-a-Service (SaaS), Information Technology Services (ITS), ITIL, ADA, HIPAA, FERPA
2d
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Document Control Administrator
San Clemente, California, United States
$30-$40/hr OnsiteFull Time
2+ YOEHigh school diploma required; associate or bachelor's preferred. Requires 2+ years of manufacturing document control experience, advanced Microsoft Word and Adobe Acrobat proficiency, and quality-system familiarity.
Microsoft Word, Adobe Acrobat
1mo
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Branch Office Administrator - San Juan Capistrano, CA
San Juan Capistrano, California, United States
OnsiteFull Time
Provide client service, account administration, and office support; strong analytical, attention to detail, digital tool use, and conversational skills; willingness to learn financial services systems.
MoneyGuide, Salesforce, Microsoft Office
3w
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IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
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
1w
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Data Security Administrator
Commerce or Los Angeles
$89k-$111k/yr HybridFull Time
2+ YOEBachelor's degree in computer science, IT, cybersecurity, or related field; associate degree may qualify with experience. Requires 2–4 years in IT security or systems administration.
2mo
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Engineering Solutions Systems Administrator (TeamCenter)
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
2+ YOE2+ years TeamCenter PLM administration and engineering systems experience; knowledge of CAD/CAE tool integration, Windows/Linux, strong troubleshooting and communication, and must be a U.S. person.
TeamCenter, Teamcenter, PLM, MCAD, ECAD, CAE, MBSE, Requirements Management, NX, SimCenter, Siemens, Windows, Linux, Lattice OS
2w
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Operational Technology Administrator
Rancho Cucamonga, California, United States
OnsiteFull Time
1+ YOEBachelor’s degree with 1–2 years of OT systems experience, or high school diploma/GED with 3–5+ years. Requires industrial OT, network infrastructure, OT security, patch management, and incident response experience.
Operational Technology (OT), laser-guided vehicles, Human-Machine Interface (HMI), historians, servers, remote access, network devices, Industrial Control Systems (ICS), switches, routers, gateways, firewalls
3w
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Sales Administrator – Embedded Computer Industry
City of Industry, California, United States
OnsiteFull Time
1+ YOE1–3 years of related sales support or customer service experience preferred, with strong organization and communication skills. Associate degree preferred; proficiency with Microsoft Office, CRM, and ERP systems.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Salesforce, SAP
20h
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Microsoft 365 Administrator I
Irvine or Baldwin Park or Tennessee
$38-$41/hr OnsiteFull Time
1+ YOE1+ year administering Microsoft 365, using IT ticketing systems, and troubleshooting Microsoft 365 issues. Cloud, security, communication, and problem-solving skills required; associate degree and certifications preferred.
Microsoft 365, Microsoft Teams, Microsoft Copilot, Microsoft SharePoint, Microsoft OneDrive, PowerShell, Microsoft Power Automate, ChatGPT, Claude
3mo
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Administrator in Training (CA, Garden Grove, The Grove Post-Acute)
Garden Grove, California, United States
OnsiteFull Time
2+ YOEBachelor's degree in healthcare/business admin or related field; enrollment in/on track for Administrator in Training; strong communication; team collaboration; proficiency in MS Office and healthcare systems; valid driver's license.
Microsoft Office, Healthcare software systems
1mo
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HVAC Service Project Administrator
Brea, California, United States
$63k-$89k/yr HybridFull Time
0+ YOEHigh school diploma or GED, up to 2 years related experience or training, strong communication, problem solving, basic accounting/financial systems familiarity, ability to prioritize and meet deadlines.
3w
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Timekeeping and Payroll Administrator
Brea, California, United States
$22-$25/hr OnsiteFull Time
High school diploma or GED required; payroll, timekeeping, or workforce management experience preferred. Requires computer-based payroll systems proficiency, confidentiality, organization, accuracy, and communication skills.
1mo
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Retail Systems Support Administrator
Irvine, California, United States
$23-$26/hr OnsiteFull Time
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.
Epicor, Aptos, POS, Microsoft Office Suite
1mo
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DMV and Loan Servicing Administrator
Irwindale, California, United States
HybridPart Time
1+ YOEHigh school diploma/GED, 1+ year financial institution experience, strong organization and member-service skills, knowledge of DMV/title processes preferred, comfortable with Microsoft 365 and loan servicing systems.
Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft 365
4d
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Advanced Warehouse Clerical Support Administrator | 1st Shift
Ontario, California, United States
OnsitePart Time, Seasonal
Proficiency with Microsoft Office, ability to learn software and use multiple operating systems, and ability to stand, sit, work in a non-climate-controlled environment, and lift up to 50 pounds. Two years of inventory, warehousing, or office experience preferred.
Microsoft Office
10h
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IT Systems & Facilities Administrator
Irvine or Inglewood or Long Beach or Los Angeles or Riverside or Oakland
$30/hr HybridFull Time
1+ YOEBachelor's degree or equivalent technical experience; 1+ year administering Windows, Active Directory, Google Workspace, and Microsoft 365. Requires networking, cybersecurity, hardware troubleshooting, California driver's license, and ability to lift 50+ lbs.
Microsoft Active Directory, Google Workspace, Microsoft 365, Windows OS, Multi-Factor Authentication (MFA), Endpoint Detection & Response (EDR), routers, switches, Wi-Fi access points, VOIP, CTMS, CRM, webcams, microphones, headsets, DNS, temperature sensors, gateways, backup batteries, appliance dollies, hand trucks, moving straps, Home Depot, Enterprise
3w
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Entertainment Administrative Assistant
Thornton or Temecula
$23-$30/hr OnsiteFull Time
Requires strong organization, time management, written and verbal communication, attention to detail, multitasking, customer service, and ability to use scheduling software, spreadsheets, and administrative systems.
Deputy
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