99 junior system administrator jobs at 73 companies in Fallbrook, CA

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
1w
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Junior Level Systems Administrator
San Diego, California, United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEExperience with VMware, RHEL administration, Windows Server, networking (DNS/LDAP/SSH), cybersecurity (DISA STIGs, Nessus), ability to obtain Top Secret/SCI clearance, and typically 4 years' experience.
VMware, Red Hat Enterprise Linux, YUM, DNF, Microsoft Windows, Windows Server, DNS, LDAP, SSH, SCP, Nessus, Public Key Infrastructure (PKI), Red Hat KVM, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
3w
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Systems Administrator
San Diego, California, United States
$75k-$100k/yr HybridFull Time
Trulioo
Trulioo: Provides identity and business verification for global regulatory compliance.
2+ YOEBachelor's degree or equivalent,2+ years IT support/systems administration,endpoint provisioning,Google Workspace/Azure/OneLogin administration,Jamf/Intune experience,strong communication and multitasking skills.
Google Workspace, Microsoft Azure/Entra ID, AWS, Jamf, Intune, CrowdStrike, OneLogin, Okta, Meraki, Mimecast, Jira, Slack, Asset Panda, PowerShell, Bash
2w
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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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System Support Analyst (TEMP)
Irvine, California, United States
$23-$25/hr OnsiteFull Time
Boot Barn
Boot BarnNYSE: BOOT: Specialty retailer of western and work-related apparel and footwear.
1+ YOE1–3 years help desk/system administration experience, strong communication and customer service, bachelor's in CS/Business or equivalent, MS Office proficiency, ability to support retail POS and networking.
Aptos Retail Point of Sale, Windows OS, Microsoft Products, TCP/IP, DNS, DHCP, Wireless (802.11a/b/g)
1mo
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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
1w
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Order Administrator I
Carlsbad, California, United States
$43k-$54k/yr OnsiteFull Time
Acushnet
AcushnetNYSE: GOLF: Designs and manufactures high-performance golf products and apparel.
2+ YOEHigh school diploma, 2+ years order processing or inventory experience, ERP and inventory system experience preferred, advanced Microsoft Excel skills, strong attention to detail and communication.
Microsoft Excel, Microsoft Office, ERP
2mo
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Administrator in Training (CA, Garden Grove, The Grove Post-Acute)
Garden Grove, California, United States
OnsiteFull Time
Anaheim Healthcare Center
Anaheim Healthcare Center: Provides skilled nursing, rehabilitation, and memory care services.
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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GTM System Analyst
Irvine, California, United States
$120k-$150k/yr HybridFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
2+ YOE2+ years RevOps/Sales Ops/CRM admin experience; hands-on Salesforce administration and Salesforce Administrator certification; advanced spreadsheet and data instincts; experience integrating ZoomInfo/Clay/Gong; familiarity with Snowflake, AWS, SQL, and AI automation tools.
Salesforce, ZoomInfo, Clay, Gong, AWS, Snowflake, Claude, SQL
5d
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Health System Specialist (Credentialing and Privileging Analyst)
San Diego, California, United States
$58k-$92k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: Provides healthcare, benefits, and cemetery services to military veterans.
1+ YOEMust meet OPM IOR via education or specialized experience in health system administration and credentialing; U.S. citizenship, complete application, online assessment, and selective documentation required.
VetPro, USA Hire
1w
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Administrative Assistant II
El Cajon, California, United States
$25-$27/hr OnsiteFull Time
Acadia Healthcare
Acadia HealthcareNASDAQ: ACHC: Provides inpatient and outpatient behavioral healthcare and addiction treatment.
2+ YOEHigh school diploma/GED, 2+ years medical billing and coding experience, knowledge of insurance claims (Medicare/Medicaid/private), HIPAA, EHR, and administrative systems.
EHR
1mo
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Food & Beverage Administrative Coordinato
Carlsbad, California, United States
$25-$28/hr OnsiteFull Time
Grand Pacific Resorts
Grand Pacific Resorts: Manages and develops vacation ownership resorts and hospitality properties.
1+ YOEProvide administrative support to F&B leadership, maintain filing and menu systems, process banquet checks and payroll tracking; high school required, food handler's card required, 1 year administrative experience preferred, strong Microsoft Office skills.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Micros, ISAC, POS system
1mo
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Administrative Coordinator
Carlsbad, California, United States
$20-$22/hr OnsiteFull Time
Grand Pacific Resorts
Grand Pacific Resorts: Operates a network of vacation resorts and timeshare properties.
1+ YOEHigh school or equivalent; 1–2 years administrative experience; proficiency in Microsoft Word, Excel, and Outlook; filing system experience; bilingual English/Spanish; ability to lift up to 50 lbs and perform physical tasks.
Microsoft Word, Microsoft Excel, Microsoft Outlook, StarGuest, Synergy
1mo
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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, 2+ years administrative experience, strong organization and communication, proficiency with Microsoft 365 (Outlook, Word, Excel, Teams, SharePoint) and ability to learn new systems including Canvas and AI-assisted tools.
Microsoft 365, Outlook, Word, Excel, Teams, SharePoint, Canvas
2w
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Temporary Talent Pool (CA, Costa Mesa)
Costa Mesa, California, United States
$17-$23/hr OnsiteTemporary
Vanguard University
Vanguard University: Private Christian university providing undergraduate and graduate degree programs.
Experience in administrative or customer-facing roles, strong communication and organizational skills, ability to learn systems quickly, and support of the University's Christian mission.
2w
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Temporary Talent Pool (Malibu, Calabasas, West Los Angeles, Irvine)
Malibu or Calabasas or Los Angeles or Irvine
$18-$23/hr OnsiteTemporary
Pepperdine University
Pepperdine University: Private research university offering undergraduate and graduate degree programs
Experience in administrative or customer-facing support, strong communication and organizational skills, ability to learn systems quickly, and support for the university's Christian mission.
1mo
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PACE Administrative Assistant
Escondido, California, United States
$25-$35/hr OnsiteFull Time
Neighborhood Healthcare
Neighborhood Healthcare: Provides integrated medical, dental, and behavioral health services.
2+ YOEHigh school/GED required (BA preferred). 2+ years administrative experience (healthcare preferred). BLS, CPR, First Aid required. Strong Microsoft and electronic health data system skills, communication, scheduling, confidentiality, ability to lift 10 lbs.
Microsoft applications, electronic health data systems, spreadsheets
5d
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Admin Billing Clerk
Riverside, California, United States
$23-$27/hr OnsiteFull Time
GH Metal Solutions
GH Metal Solutions: Custom metal fabrication and welding for OEM manufacturers.
2+ YOEHigh school diploma/GED, minimum 2 years administrative or billing experience, proficiency with ERP/accounting/document management systems, strong attention to detail and communication.
ERP, Accounting systems, Document management systems
1w
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Aviation Safety Assistant (Office Automation)
San Juan or Salt Lake City or Herndon or Richmond or Renton or Spokane or Charleston or Milwaukee or Casper or Vestavia Hills or Anchorage or Fairbanks or Juneau or Scottsdale or Little Rock or Alameda or Fresno or Lawndale or Long Beach or Riverside or Sacramento or San Diego or San Jose or Van Nuys or Denver or Enfield or Miramar or Orlando or Tampa or Hapeville or Honolulu or Boise or Des Plaines or Springfield or West Chicago or Plainfield or Ankeny or Wichita or Louisville or Baton Rouge or Portland or Glen Burnie or Burlington or Belleville or Grand Rapids or Minneapolis or Jackson or Kansas City or Saint Ann or Helena or Lincoln or Las Vegas or Reno or Saddle Brook or Albuquerque or Farmingdale or Garden City or Latham or Rochester or Charlotte or Greensboro or Fargo or Cincinnati or Columbus or North Olmsted or Oklahoma City or Hillsboro or Allentown or New Cumberland or Philadelphia or Pittsburgh or West Columbia or Rapid City or Memphis or Nashville or Houston or Irving or Lubbock or San Antonio
$39k-$56k/yr OnsiteFull Time
Federal Aviation Administration
Federal Aviation Administration: Regulates civil aviation and manages national air traffic systems.
1+ YOEProvide administrative and semi-technical support in a Flight Standards field office, prepare and review reports, maintain files, assist applicants and the public, and use FAA automation systems.
SAS, Enhanced Flight Standards Automated System (eFSAS)
2mo
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Associate, Worship
Riverside, California, United States
$20-$23/hr OnsitePart Time
Sandals Church
Sandals Church: Multi-campus church providing Christian worship services and spiritual guidance.
Part-time administrative support for worship operations; scheduling, onboarding, data tracking, and Cross-team coordination; Proficient with Planning Center (PCO) and Church data systems.
Planning Center Online (PCO), Community Church Builder (CCB), PCOEnvironments