85 admin assistant jobs at 56 companies in Duarte, 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
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
3w
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Catering Admin Assistant
Santa Monica, California, United States
$33-$35/hr OnsiteFull Time
Shutters on the Beach
Shutters on the Beach: Provides administrative support for catering and events at hospitality venues.
Provide administrative support for catering sales including client communication, booking coordination, RFP completion, Excel/Word/Outlook proficiency, Cvent/Opera/Delphi knowledge, and strong communication skills.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Cvent, Opera, Delphi
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
2w
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Administrative Assistant | Admin
Encino, California, United States
$24-$26/hr OnsiteFull Time
CBIZ Advisors, LLC
CBIZ Advisors, LLCNYSE: CBZ: Professional business services provider specializing in accounting and insurance.
2+ YOEHigh school diploma or GED, 2 years of office experience preferably as an administrative assistant, knowledge of administrative procedures, technology proficiency, and strong verbal and written communication skills.
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
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
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.
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
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
2d
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Center Based Admin Assistant
Glendale, California, United States
$20-$23/hr OnsiteFull Time
360 Behavioral Health
360 Behavioral Health: Provider of applied behavior analysis and autism therapy services.
0+ YOEHigh school diploma or GED, Microsoft Office proficiency, strong communication and organization skills, and reliability. Administrative or customer service experience is preferred but not required.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook
3w
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Admin Specialist- Accounting Assistant
Woodland Hills, California, United States
$25/hr OnsitePart Time
The Variel
The Variel: The Variel is a private luxury senior living community serving older adults with independent living, assisted living, and memory care.
1+ YOERequires senior living experience, 1 year of YARDI accounting experience, AP/AR knowledge, data processing accuracy, and Microsoft Office proficiency; accounting or business degree preferred.
YARDI, Microsoft Office, Microsoft Outlook, Microsoft Word, Microsoft Excel
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
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.
2mo
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Veterinary Assistant
Westlake Village, California, United States
$18-$22/hr OnsiteFull Time
Banfield Pet Hospital
Banfield Pet Hospital: Leader in preventive veterinary care and pet health services.
Perform animal handling, feeding, weighing, cage cleaning, equipment sterilization, assist with vaccinations/medication under supervision, handle admin and client interactions.
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
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
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 required (bachelor's preferred), prior sales/administrative experience in hospitality preferred, proficiency with Microsoft Office and Marriott CI/TY, strong communication and organizational skills.
Microsoft Office Suite, Marriott CI/TY
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
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