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54 admin assistant jobs at 36 companies in Rialto, CA

3mo
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*TEST* Admin Assistant
Irvine, California, United States
$20-$25/hr OnsiteFull Time
Serenity Mental Health Centers
Serenity Mental Health Centers: Provider of comprehensive outpatient psychiatric and mental health services.
1+ YOENo explicit requirements listed in the posting.
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1d
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Student GCI Admin Assistant
Orange, California, United States
$17/hr OnsitePart Time
Chapman University
Chapman University: A private university offering undergraduate and graduate degree programs.
Minimal prior experience required; familiarity with Microsoft Office Suite; ability to learn support processes; flexible availability for events; basic problem-solving and communication skills.
Microsoft Office Suite
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3d
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Admin Assistant
Eastvale, California, United States
$22/hr HybridFull Time
ServiceMaster by Crane IFS
ServiceMaster by Crane IFS: Provides professional commercial janitorial and facility cleaning services.
Perform onboarding/offboarding, background checks, offer letters, timekeeping, training compliance, record maintenance, and candidate screening; hybrid role with strong Microsoft Teams and administrative skills.
Microsoft Teams
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2w
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Admin Logistics Assistant
City of Industry, California, United States
$20-$22/hr OnsiteFull Time
Bentley Mills
Bentley MillsEuronext Brussels: BELYS: Manufactures and designs commercial carpeting and flooring products.
3+ YOE3 years shipping experience, forklift experience, international shipping knowledge, intermediate-to-advanced math, Excel and Monarch proficiency, strong English communication, ability to work overtime including weekends.
Microsoft Excel, monarch
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1mo
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ASSISTANT FACILITY ADMIN, SECURITY
Adelanto, California, United States
$125k/yr OnsiteFull Time
The GEO Group
The GEO GroupNYSE: GEO: Provides correctional, detention, and community reentry services.
10+ YOE10+ MgmtBachelor's in behavioral sciences or related plus 10+ years correctional/detention mid-management experience (or equivalent); working knowledge of correctional policies and laws; US citizenship; minimum age 21; mature, flexible, and able to command respect.
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13h
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Admin Assistant/Front Desk Coordinator
Anaheim, California, United States
$23-$25/hr OnsiteFull Time
Total Warehouse
Total Warehouse: Sells and services forklifts and warehouse material handling equipment.
High school diploma required; proficiency with Microsoft Office and Microsoft Excel; strong organization, communication, and attention to detail; ability to lift up to 20 lbs and perform prolonged sitting; prior office experience preferred.
Microsoft Office, Microsoft Excel
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5d
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Admin Assistant III - Hematology/Oncology
Orange, California, United States
$29-$42/hr OnsiteFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
1+ YOEProvide administrative support including reimbursements, purchasing, scheduling, onboarding/offboarding, and academic personnel coordination; bachelor\u0002s degree or related experience; 1+ year administrative experience; Microsoft Office and EPIC proficiency.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, EPIC
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3mo
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Administrative Assistant (California, Montrose)
Montrose or United States
OnsiteFull Time
Alliance Health Services
Alliance Health Services: Provides personalized home health and hospice care services at home.
3+ YOEHealthcare admin experience preferred; HS diploma required; 3-5 years admin assist. HIPAA familiarity; strong communication; proficient computer skills.
Microsoft Office, HIPAA compliant software, Electronic Health Records, Office management software
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4w
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Admin Assistant - TEMP (Cypress, CA, US, 90630)
Cypress, California, United States
$23-$32/hr HybridPart Time, Temporary
Exemplis
Exemplis: Manufactures customizable office seating and consumer lifestyle products.
2+ YOE2+ years administrative/operations or accounting support experience; strong attention to detail, organization, cross-functional communication; proficient in Microsoft Office Suite; experience with OnBase and Concur preferred; familiarity with ERP systems.
Microsoft Office Suite, OnBase, Concur, Nutrient, ERP, Amazon, Instacart
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2mo
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Sales Admin Asst
Commerce, California, United States
$20-$22/hr OnsiteFull Time, Part Time
TPG Hotels & Resorts
TPG Hotels & Resorts: Manages and operates a national portfolio of hospitality assets.
High school diploma required; hospitality or business degree preferred; experience in sales support; proficiency in Microsoft Office and CI/TY; strong communication, organization.
Microsoft Office, CI/TY (Marriott)
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2mo
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Department of CIO Admin Office - Graduate Assistant (GA) Pool
San Bernardino, California, United States
$3k-$6k/mo OnsiteTemporary, Part Time
California State University
California State University: Public university system providing higher education and academic research.
Graduate student enrollment; 3.0 GPA min; 5-20 hours/week; ability to work with faculty and students.
GPU, Containerization, CI/CD, Python, Docker
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2mo
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Executive Assistant
Commerce, California, United States
$77k-$96k/yr HybridFull Time
AltaMed
AltaMed: Provides comprehensive healthcare services to underserved Southern California communities.
3+ YOEBachelor's or Associate in business admin preferred; 3+ years administrative experience; confidentiality and coordination with senior leaders; budgeting and process improvement experience preferred.
Microsoft Office Suite, Workday, Email
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2mo
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Legal Assistant
Costa Mesa, California, United States
HybridFull Time
HR MGMT 10
HR MGMT 10: Provides employer of record and human resources support services.
2+ YOEHigh school diploma required; 1-3 years legal admin experience; familiarity with CA procedures; MS Office; strong writing and communication; detail oriented.
Microsoft Office Suite, Legal practice software (e.g., Clio, MyCase)
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1mo
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Administrative Assistant (Bilingual in Mandarin)
Buford or Fontana
$18-$20/hr OnsiteFull Time
YQN Logistics
YQN Logistics: Digital logistics platform for international shipping and supply chain.
Bilingual English/Mandarin admin support for warehouse operations; 1+ year admin or warehouse experience preferred; Microsoft Office skills; WMS/ERP experience a plus; strong organization and communication.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Warehouse Management Systems (WMS), ERP
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1w
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Development Department Assistant
Huntington Beach, California, United States
$53k/yr OnsiteFull Time
Hebrew Academy Community Day School
Hebrew Academy Community Day School: Private school providing secular and Jewish K-12 education.
1+ YOESupports fundraising and donor engagement with admin tasks, donor records, event coordination, Google Suite proficiency, 1+ years nonprofit or administrative experience.
Google Suite, QuickBooks
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1mo
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Administrative Assistant
Anaheim, California, United States
$19-$26/hr OnsiteFull Time
West Coast University
West Coast University: Private university offering degree programs for healthcare professionals.
1+ YOEPerform complex administrative support including drafting correspondence, scheduling meetings, coordinating events and travel, processing expense reports in Concur/Excel, and maintaining records; 1+ year admin experience; HS required; Associates preferred.
Concur, Microsoft Excel, Microsoft Office
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6d
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Rehab Administrative Assistant ( PER DIEM) (3560)
Alhambra, California, United States
$17-$20/hr OnsiteTemporary
Interface Rehab
Interface Rehab: Provider of physical, occupational, and speech rehabilitation services.
Per-diem rehab admin to assist with clerical duties, EMR data entry, billing support, inventory, patient transportation, documentation, and basic patient-related tasks under therapist supervision.
Electronic Medical Records (EMR)
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1mo
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Site Assistant
Victorville, California, United States
$20/hr OnsitePart Time
Think Together
Think Together: Providing high-quality after-school and early learning educational programs.
High school diploma or equivalent; 48 semester/60 quarter units or pass pre-employment test; Live Scan fingerprint clearance and clear TB test; ability to speak/write standard English; perform student supervision, data entry, scheduling, and basic admin duties.
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2mo
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Executive Assistant / Real Estate
Irvine, California, United States
OnsiteFull Time
Shopoff Realty Investments
Shopoff Realty Investments: Real estate investment firm specializing in land and property development.
3+ YOE3+ years admin support or project coordination in real estate; experience supporting senior leaders; exposure to real estate development/asset management.
Microsoft Office, Adobe, Google Earth
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2w
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CSB Assistant Coordinator
La Mirada, California, United States
$22-$24/hr OnsitePart Time
Biola University
Biola University: Private Christian university providing undergraduate and graduate degree programs.
Associate degree or some college required (bachelor's preferred); experience in academic/admin roles preferred; familiarity with Banner/Canvas a plus; proficiency in Microsoft Office and Google Workspace; able to lift up to 15 lbs.
Banner, Canvas, Microsoft Office, Google Workspace
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