75 application administrator jobs at 46 companies in San Jacinto, CA

2w
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Application for Office Administrators
Adelanto or Apple Valley or Barstow or Hesperia or Phelan or Victorville
OnsiteFull Time
Roto-Rooter
Roto-RooterNYSE: CHE: Provider of plumbing, drain cleaning, and water cleanup services.
The employer will contact applicants whose skills and experience match the qualifications; no specific requirements are stated.
1mo
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UAT Administrator
Rancho Cucamonga, California, United States
$24-$28/hr HybridFull Time
Aspire General Insurance Services, LLC
Aspire General Insurance Services, LLC: Private California insurer providing non-standard auto coverage to underserved and unbanked drivers through independent brokers.
0+ YOEHigh school diploma or GED (associate preferred); 0–2 years administrative/customer service/insurance/tech support experience; proficiency with Microsoft Office; ability to learn Jira and other applications.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Jira, Apex, Atlas, ITC
3mo
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Management/Administrator Pool
Pomona, California, United States
$4k-$31k/mo OnsiteMultiple Commitments Available
California State Polytechnic University, Pomona
California State Polytechnic University, Pomona: The 23-campus public university system of California.
Bachelor's degree required (master's preferred); applicants must submit application, cover letter, resume/CV, and three references; conditional offer pending background check; compliance with CSU policies required.
4d
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Mission Healthcare: General Application (Ontario)
Ontario, California, United States
FieldFull Time
Mission Healthcare
Mission Healthcare: Privately held home health, hospice, and transitional-care provider serving patients and families across the Western United States.
General talent-network application for healthcare, clinical, sales, business development, administrative, support, and leadership opportunities; specific qualifications vary by position.
1mo
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Manager, IBM i Systems & Application Development
San Bernardino, California, United States
$129k-$200k/yr OnsiteFull Time
Inland Regional Center
Inland Regional Center: Support services for individuals with developmental disabilities and families.
5+ YOE3+ MgmtExpertise in IBM i administration and application development (RPG, CL, COBOL, SQL), DB2 and OS/400; bachelor\u0002s degree or equivalent; 5+ years IBM i experience with 3+ years supervisory; valid driver\u0002s license.
RPG, CL, COBOL, SQL, DB2, OS/400, UFS, SANDIS
3w
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DATABASE ADMINISTRATOR
Norco, California, United States
$150k-$185k/yr OnsiteFull Time
VSolvit
VSolvit: Woman-owned technology services provider delivering geospatial, application, database, and IT services to federal agencies.
5+ YOERequires 5–10 years of Tier II help desk and application troubleshooting experience, testing and test script skills, communication abilities, Microsoft Office proficiency, US citizenship, and DoD Secret clearance eligibility.
JIRA, Microsoft Office Suite, Microsoft Excel, Microsoft Word, Defense Logistics Management Standards (DLMS), Geographic Information Systems (GIS), Business Intelligence (BI), Data Warehousing
1mo
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INTERNAL APPLICANT ONLY: Corporate Assistant
Temecula or Encinitas
OnsiteFull Time
Julian Charter School
Julian Charter School: Nonprofit public charter school system serving TK–12 students through free home-study, online, academy, and alternative programs.
2+ YOEHigh school diploma/GED, 2 years administrative experience, proficiency with Microsoft Word and Excel, Adobe, Google applications; experience with Edstruments a plus.
Microsoft Word, Microsoft Excel, Adobe, Google applications, Edstruments
1w
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Events Administrative Assistant
Carlsbad, California, United States
$25/hr OnsiteFull Time
Park Hyatt
Park Hyatt: Luxury hotel brand serving travelers with residentially designed stays, chef-led dining, and art in iconic destinations.
Requires strong verbal and written communication, computer application proficiency, organization, customer service, interpersonal skills, independent work, and confidential information management. Hospitality or administrative experience preferred.
Envision, Opera, Cvent Diagramming
1w
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Events Administrative Assistant
Carlsbad, California, United States
$25/hr OnsiteFull Time
Park Hyatt
Park HyattNYSE: H: Global hospitality managing hotels and resorts.
Requires strong verbal and written communication, computer application proficiency, organization, customer service, interpersonal skills, independent work ability, and confidential information management. Hospitality or administrative experience preferred.
Envision, Opera, Cvent Diagramming
2d
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ADMINISTRATIVE SUPPORT ASSISTANT (EFMP), NF-3
Camp Pendleton, California, United States
$46k-$51k/yr OnsiteFull Time, Part Time
Marine Corps Community Services
Marine Corps Community Services: Official morale, welfare, and recreation program for the Marine Corps.
3+ YOEThree years of related administrative experience, project coordination, naval correspondence, presentation preparation, interpersonal skills, and proficiency with word processing, email, databases, desktop publishing, and internet applications.
Microsoft Word, email, database management, desktop publishing, internet navigation
2w
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Floor Clerical
Chino, California, United States
$23-$30/hr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
Provides clerical and administrative support by maintaining forms, reports, logs, inventories, and financial records using computer applications and multiple systems.
Microsoft Office
4d
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Project Specialist (SC - International Students)
Mission Viejo, California, United States
$28/hr OnsitePart Time, Temporary
South Orange County Community College District
South Orange County Community College District: Public California community college district serving South Orange County students through Saddleback, Irvine Valley, and workforce programs.
Requires office administration, customer service, recordkeeping, data entry, communication, confidentiality, and standard computer application skills; training provided for international admissions and immigration documentation.
4w
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BLANK AST 2
Irvine, California, United States
$25-$30/hr OnsiteFull Time
University of California, Irvine
University of California, Irvine: Public land-grant research university and academic health system.
0+ YOEBachelor's degree or equivalent; thorough administrative skills with word processing, spreadsheet and database applications; strong communication, discretion, multi-tasking, time management, and data analysis skills.
1d
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PACE Center Operations Coordinator
Murrieta or Riverside County
$27-$38/hr OnsiteFull Time
Neighborhood Healthcare
Neighborhood Healthcare: Provides integrated medical, dental, and behavioral health services.
2+ YOERequires a high school diploma/GED, 2 years of administrative support experience, BLS, CPR, and First Aid certifications, plus strong communication, organization, customer service, and Microsoft applications skills.
Microsoft applications, electronic health data systems
1mo
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Administrative Assistant II
San Bernardino, California, United States
$28-$30/hr OnsiteFull Time
San Bernardino Community College District
San Bernardino Community College District: Public community college district serving Southern California.
4+ YOEHigh school completion plus 15 college semester units and 4 years of responsible secretarial experience supporting management; alternatively, 5 years of qualifying experience without the college units.
computer keyboard, electronic hardware, software applications, email
1mo
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Substitute Clerical/Secretarial - 2025/2026 School Year
Crestline, California, United States
OnsitePart Time
Rim of the World Unified School District
Rim of the World Unified School District: Public California K–12 school district serving students and families in the mountain communities around Crestline and Lake Arrowhead.
Applicants must complete district application, pass the Clerical Proficiency Test; resumes may be submitted but not in lieu of application.
1w
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Maintenance and Operations Office Technician
Corona, California, United States
OnsiteFull Time
Alvord Unified School District
Alvord Unified School District: Public California K–12 school district providing education and support services to students.
High school diploma or GED required. Applicants must complete the application, provide certifications or transcripts when applicable, demonstrate required typing speed if applicable, and submit three professional references.
2w
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Regional Administrative Assistant
Corona, California, United States
$21-$29/hr OnsiteFull Time
Pacific Dental Services
Pacific Dental Services: Integrated healthcare support organization for clinical practices.
3+ YOEAssociate degree in business or related field, 3+ years of relevant experience, and knowledge of office practices, technology applications, and reporting systems. Medical or dental experience preferred.
P-card
2mo
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Temporary Workforce Connection Program - WFC Applicants Only
Riverside County, California, United States
$17-$19/hr OnsiteTemporary
County of Riverside
County of Riverside: County government serving more than 2.4 million Riverside County residents through public services.
Must be a current Workforce Connection Program applicant. Duties vary by assignment; candidates may be required to complete job-specific assessments and identity verification.
1mo
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INTERNAL APPLICANT ONLY: Corporate Assistant
Temecula or Encinitas or La Mesa or Pine Valley
OnsiteFull Time
Julian Charter School
Julian Charter School: Nonprofit public charter school system serving TK–12 students through free home-study, online, academy, and alternative programs.
2+ YOEHigh school diploma/GED, 2 years administrative experience, proficiency with Microsoft Word and Excel, Adobe, Google apps; experience with Edstruments a plus.
Microsoft Word, Microsoft Excel, Adobe, Google applications, Edstruments