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77 admin assistant jobs at 50 companies in Eastvale, CA

1mo
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People & Culture Admin Assistant
Los Angeles, California, United States
$20-$25/hr HybridFull Time
Roaming Hunger
Roaming Hunger: Private U.S. corporate catering service delivering curated workplace meals and food experiences to companies.
Provide People & Culture and office administrative support, excellent communication, Google Suite proficiency, vendor coordination, confidentiality, multitasking in a hybrid office setting (3 days/week onsite).
Gmail, Google Docs, Google Sheets, Google Calendar
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3mo
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Admin Assistant (Southern California)
Los Angeles, California, United States
$20/hr HybridFull Time
ServiceMaster by Crane IFS
ServiceMaster by Crane IFS: Private commercial janitorial provider serving businesses and institutions across Canada and the United States.
Supports onboarding/offboarding, records, training compliance, timekeeping; hybrid role with on-site majority.
Microsoft Teams, HR systems
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4w
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Student Admin/Office Assistant
Orange, California, United States
$17/hr OnsitePart Time
Chapman University
Chapman University: Private university offering undergraduate and graduate academic programs.
Strong communication, attention to detail, ability to multi-task, comfort interacting with students/faculty/staff, basic Microsoft Office proficiency; resume and cover letter required.
Microsoft Office, Microsoft Teams, Qualtrics, SharePoint
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3w
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Sr. Admin Assistant
City of Industry or La Jolla or Newport Beach
$46k-$76k/yr FieldFull Time
BMO
BMOTSX: BMO: Diversified North American financial services provider.
3+ YOERequires 3–5 years of administrative or professional support experience; a related post-secondary degree is desirable. Strong communication, organization, collaboration, analytical, and problem-solving skills required.
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3w
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Office Assistant (Admin)
Pasadena, California, United States
$23/hr OnsiteFull Time
Retirement Housing Foundation
Retirement Housing Foundation: Nonprofit affordable-housing provider serving older adults, low-income families, and people with disabilities.
2+ YOEHigh school diploma or equivalent and 2 years of administrative experience required. Requires Microsoft Office proficiency, communication, organization, confidentiality, and customer service skills.
Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft Outlook, Yardi, RealPage
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1mo
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Admin Logistics Assistant
City of Industry, California, United States
$20-$22/hr OnsiteFull Time
Bentley Mills
Bentley Mills: California-based commercial carpet manufacturer serving architects and designers with broadloom, carpet tile, and area rugs.
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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3d
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Admin Assistant / Scheduler
San Luis Obispo or Simi Valley or Santa Maria or Rancho Cucamonga
OnsitePart Time
Kids Connections Developmental Therapy Center
Kids Connections Developmental Therapy Center: Clinician-owned pediatric therapy practice providing ABA, occupational, and speech therapy to children and youth in California.
2+ YOEHigh school diploma/GED, bilingual English/Spanish, 2+ years of administrative, customer service, medical office, or scheduling experience, strong organization and communication skills, Microsoft Office proficiency, and background check eligibility.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook
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1w
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Onsite Admin Assistant
Apple Valley, California, United States
$23-$25/hr OnsiteFull Time
Lordon Management
Lordon Management: Family-owned California HOA property management firm serving homeowners associations and their communities.
No industry experience required; strong customer service, typing, computer, multitasking, time management, organization, patience, and flexibility skills needed. Training provided on company software.
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2w
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Laboratory Admin Assistant
San Juan Capistrano, California, United States
$20-$26/hr OnsiteFull Time
Quest Diagnostics Nichols Institute, Inc.
Quest Diagnostics Nichols Institute, Inc.: A healthcare providing diagnostic testing and laboratory services.
1+ YOERequires 1–3 years of office or laboratory experience, high school diploma or equivalent, computer skills, 35+ wpm typing, advanced Excel, organization, and professional telephone skills.
Microsoft Office Suite, Microsoft Excel, SJC LIS
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2d
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Center Based Admin Assistant
Covina, California, United States
$20-$23/hr OnsiteFull Time
360 Behavioral Health
360 Behavioral Health: Provider of applied behavior analysis and autism therapy services.
1+ YOEHigh school diploma or GED, 1 year of administrative, receptionist, or front desk experience, Microsoft Office proficiency, communication skills, reliability, and willingness to complete paid training.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook, electronic client records
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1mo
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Admin. Assistant, Global Publicity
Universal City, California, United States
$48k-$60k/yr HybridFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: A leading global media and entertainment.
1+ YOE1+ year entertainment experience, proficient in Microsoft Office, willingness to work evenings/weekends and travel, strong organization and confidentiality; bachelor's in Communication preferred.
Microsoft Office
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2mo
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ASSISTANT FACILITY ADMIN, SECURITY
Adelanto, California, United States
$125k/yr OnsiteFull Time
The GEO Group
The GEO GroupNYSE: GEO: Diversified government service provider for secure facilities and rehabilitation.
10+ YOEBachelor's in behavioral sciences or related field plus 10+ years correctional mid-management experience; knowledge of correctional policies/laws; US citizen, 21+; supervisory and emergency response capability.
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2mo
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Brand Admin
West Hollywood, California, United States
$25-$35/hr OnsitePart Time
Princess Polly
Princess Polly: Online women’s fashion retailer serving trendsetters with on-trend clothing, footwear, and accessories.
4+ YOERequires 4+ years in administrative, executive assistant, or operational support roles; scheduling, invoice processing, financial tracking, reporting, Microsoft Office Suite, Google Workspace, communication, discretion, and organization skills.
Microsoft Office Suite, Google Workspace
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2w
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Theatre Arts Student Financial Admin. Assistant 26/27
La Verne, California, United States
OnsitePart Time
University of La Verne
University of La Verne: Private nonprofit university offering undergraduate and graduate education.
Must be enrolled in a University of La Verne graduate program and demonstrate familiarity with theatre publicity tools or techniques. Theatre production, graphics, writing, and video experience preferred.
Eventbrite
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1mo
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Sales Admin Asst
Commerce, California, United States
$20-$22/hr OnsiteFull Time
TPG Hotels & Resorts
TPG Hotels & Resorts: A full-service hospitality management operating assets nationwide.
High school diploma, prior sales or hospitality experience preferred, proficiency with Microsoft Office Suite and Marriott CI/TY, strong communication and organizational skills.
Microsoft Office Suite, Marriott CI/TY
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2mo
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Executive Assistant
Los Angeles, California, United States
$85k-$120k/yr OnsiteFull Time
Cybermedia Technologies
Cybermedia Technologies: Private U.S. federal IT services contractor modernizing infrastructure, securing systems, and delivering workforce training.
5+ YOEBachelor’s Degree required; 5+ years in executive admin or PMO support; strong meeting coordination and travel logistics.
Concur, Microsoft Office Suite, Document Management Systems
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3mo
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Medical Assistant- Primary & Immediate Care, Toluca Lake
Burbank, California, United States
$29-$39/hr OnsiteContract
UCLA Health
UCLA Health: Academic medical system providing comprehensive patient care and research.
Medical assistant diploma/certificate; national certification or eligible; CPR; injections/venipuncture training; clinical and admin duties; ability to handle emergencies.
Electronic Health Records (EHR), Medical software, EKG machines
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3mo
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Executive Assistant
El Segundo, California, United States
$66k-$181k/yr OnsiteFull Time
BTAS
BTAS: Provider of IT, engineering, and program management services to the DoD.
4+ YOEExecutive-level admin support, MS Office, DoD proximity, BA/BS required; TS/SCI eligibility security clearance.
Microsoft Office Suite, Defense Civ Personnel Data System, Customer Support Unit App, Online Unit Manning Doc, Microsoft Project
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4d
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Executive Assistant - Admin, Senior Partner & President of Brand Strategy
Los Angeles, California, United States
$60k-$80k/yr OnsiteFull Time
WME
WME: Private talent and media holding group representing artists, athletes, brands, and intellectual property while producing unscripted content.
Requires senior executive scheduling and calendar management, strong organization, communication, multitasking, and detail skills, Microsoft Office proficiency, and travel coordination and expense system experience.
Microsoft Office Suite, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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4d
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Executive Assistant - Admin, Senior Partner & President of Brand Strategy
Los Angeles, California, United States
$60k-$80k/yr OnsiteFull Time
WME
WME: Private talent and media holding group representing artists, athletes, brands, and intellectual property while producing unscripted content.
Requires senior executive scheduling and calendar management, strong organization, communication, multitasking, travel coordination, expense systems, and Microsoft Office proficiency; flexible hours may include evenings or weekends.
Microsoft Office Suite, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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