171 junior systems administrator jobs at 121 companies in Bloomington, CA

2mo
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Systems Administrator
Los Angeles, California, United States
$85k-$120k/yr OnsiteFull Time
Antares
Antares: Designing and manufacturing microreactors for defense and space missions.
2+ YOE2+ years IT support/systems administration experience; Microsoft 365/Entra ID/Intune knowledge; endpoint, networking, and cloud (Azure/AWS) familiarity; PowerShell and troubleshooting skills; compliance/audit documentation experience.
Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Defender, Microsoft Exchange, Microsoft Teams, Microsoft SharePoint, Windows, macOS, Linux, PowerShell, Microsoft Azure, AWS, GCC High, Ubiquiti, UniFi, Zoom, PSA, RMM, VPN, LAN, WAN, WiFi, TCP/IP, DNS, DHCP, VLAN, NAC
2w
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Systems Administrator - Surveillance
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.
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)
3w
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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
2mo
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Engineering Solutions Systems Administrator (TeamCenter)
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
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
2mo
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Junior Network Administrator
Victorville, California, United States
$65k-$78k/yr RemoteFull Time
Dynamic Solutions Technology
Dynamic Solutions Technology: Provides IT, engineering, and program management services to government agencies.
4+ YOEMinimum 4 years networking experience, CompTIA Network+ certification, high school diploma/GED, ability to evaluate systems and security, and maintain network documentation.
4w
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Retail Systems Support Administrator
Irvine, California, United States
$23-$26/hr OnsiteFull Time
Boot Barn
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.
Epicor, Aptos, POS, Microsoft Office Suite
2mo
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IS System Administrator
Temecula, California, United States
$123k-$135k/yr OnsiteFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
IT systems administration; AD governance; Azure; VDI; enterprise infrastructure experience.
Active Directory, Azure, VMware Horizon, VDI, Enterprise Cloud Identity, Hypervisor
1mo
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IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
1+ YOE1+ years system administration experience with on-prem infrastructure, Windows/Linux administration, Active Directory/Azure AD, endpoint management (Intune,GPO), networking, AV support, lifting ability, and security-first mindset.
Kubernetes (k8s), Ansible, PowerShell DSC, AWS, Azure, GCP, Grafana, Prometheus, Python, Bash, PowerShell, Siemens Teamcenter, MATLAB, Visual Studio, Active Directory, Azure AD / Entra ID, Microsoft Intune, Group Policy (GPOs), SAN
1mo
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Branch Office Administrator - San Juan Capistrano, CA
San Juan Capistrano, California, United States
OnsiteFull Time
Edward Jones
Edward Jones: Offers investment management and financial planning through local branches.
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
2w
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Systems Operator
Eastvale, California, United States
$26-$30/hr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Operates a chain of hypermarkets, discount stores, and grocery stores.
1+ YOERequires 6 months of Walmart Logistics clerical experience or 1 year of clerical experience using email, spreadsheets, word processing, and other computer applications.
Microsoft Office, email, spreadsheets, word processing
1w
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Data Security Administrator
Commerce or Los Angeles
$89k-$111k/yr HybridFull Time
AltaMed
AltaMed: Provides comprehensive healthcare services to underserved Southern California communities.
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.
2d
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Warehouse Clerical Support Administrator
Los Angeles, California, United States
$20-$29/hr OnsitePart Time, Seasonal
Best Buy
Best BuyNYSE: BBY: Sells consumer electronics and provides technical support services.
Able to stand and sit for extended periods, work in a non-climate-controlled environment, lift up to 50 pounds, use Microsoft Office, and learn software and operating systems; customer service experience preferred.
Microsoft Office
1mo
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Systems Operations Specialist
Pasadena, California, United States
$26-$29/hr OnsiteFull Time
Sunbelt Controls
Sunbelt Controls: Provides building automation and systems integration for energy-efficient facilities.
High school diploma or equivalent, data entry (50 WPM), strong organizational skills, payroll entry, timesheet processing, documentation of start-up and warranty reports, proficiency with Microsoft Excel/Word, Gmail, Google Drive/docs/sheets, PDF Writer, Bluebeam, Smartsheet, Box, Rhumbix, and 360/IFS.
Microsoft Excel, Microsoft Word, Gmail, Google Drive, Google Docs, Google Sheets, PDF Writer, Bluebeam, Smartsheet, Box, Rhumbix, 360/IFS
2mo
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System Administrator
Glendale, California, United States
$103k-$130k/yr OnsiteFull Time
Front Porch
Front Porch: Front Porch provides senior living and affordable housing communities.
2+ YOEMaintain and secure servers, networks, backups and monitoring; provide onsite and remote Tier I/II support, on-call coverage, and perform maintenance and disaster recovery tasks.
VMware, Windows Server, Linux, HPE, Pure, Veeam, Veeam Backup and Replication, Backup Exec, VMware Horizon, Citrix, Citrix NetScaler, Azure Windows Virtual Desktop, Active Directory, Exchange, Exchange Online, Group Policy, DNS, DFS, DHCP, SQL, PKI, SharePoint, SCCM, Azure, Skype for Business, Teams, ADFS, M365, Nagios, ManageEngine, Microsoft monitoring solutions, Cisco AnyConnect, iLO, TeamViewer, Remote Desktop, VNC, SSH, telnet, FTP, SDWAN
1d
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Lease Administrator I
Chicago or Los Angeles or Boston or Washington, D.C. or Atlanta or Houston or West Conshohocken or Pittsburgh or Cleveland or Columbus or Indianapolis
$47k-$65k/yr OnsiteFull Time
Avison Young
Avison Young: Global commercial real estate brokerage and advisory services firm.
1+ YOEHigh school diploma required; bachelor's degree preferred. Requires 1–3 years of relevant experience, Excel proficiency, lease or property management system experience, accuracy, organization, and communication skills.
Microsoft Office Suite, Microsoft Excel, CoStar, Leasecake, Corom, MRI/ProLease, Tango, TRIRIGA
3w
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Network & Infrastructure Administrator
Rancho Dominguez, California, United States
OnsiteFull Time
IDEMIA
IDEMIA: Identity and security solutions using biometrics and cryptography.
Installs and maintains operating systems, servers, virtualisation, network devices and backup systems; troubleshoots issues, follows change management and documents activities; supports governance and security standards.
3mo
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Business Analyst, Finance Systems
Madison or Pasadena or San Diego or Verona
$60k-$75k/yr OnsiteFull Time
Arrowhead Pharmaceuticals
Arrowhead PharmaceuticalsNASDAQ: ARWR: Develops RNAi medicines to treat genetic and intractable diseases.
0+ YOEBachelor’s degree in Finance, Accounting, Business Administration, Information Systems, or related field; 0-2 years in ERP support; knowledge of P2P/O2C; strong communication; cross-functional collaboration.
Power Platform, Power BI, Power Apps, Power Automate, Microsoft Fabric, Azure Synapse, SQL Server, Dynamics 365 Finance & Operations
1mo
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ERP Systems Coordinator
Fullerton, California, United States
$22/hr OnsiteFull Time
Bento Sushi
Bento SushiTokyo Stock Exchange: 7550: Produces sushi and ready-to-eat meals for retail and foodservice.
Provides day-to-day ERP administration for commissary operations, strong data accuracy and attention to detail, MS Office proficiency, good verbal and written communication.
JustFoods, Microsoft Office
2w
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Operational Technology Administrator
Rancho Cucamonga, California, United States
OnsiteFull Time
Reyes Holdings
Reyes Holdings: Global distributor of food and beverage products.
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
Axiomtek
AxiomtekTaipei Exchange: 3088: Designs and manufactures industrial computers and embedded systems.
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