Office Assistant Jobs in Ontario, CA (7,412)
Office Assistant
Mindlance
Orange, CA
Hourly
$17 - $18 / hour
Medical Assistant - Front/Back Office
UnitedHealth Group
Rancho Cucamonga, CA
New
Hourly
Eco-Friendly
401(k)
Health Insurance
$16.15 - $28.80 / hour
Chapman Court Office Assistant - Summer 2026
Chapman University
Orange, CA
$16.90 / hour
Business Office Assistant
Sun Mar Management Services
Riverside, CA
Part-Time
Graduate Admin/Office Assistant
Chapman University
Orange, CA
New
$18 / hour
Dealership Business Office Assistant
Fletcher Jones Management West
Ontario, CA
Health Insurance
Dental Insurance
Vision Insurance
$21 - $26 / hour
‌
Student Admin/Office Assistant
Chapman University
Orange, CA
$20 / hour
‌
Back Office - Medical Assistant I
Unicare Health Services
Ontario, CA
Part-Time
Hospitality
Health Insurance
Dental Insurance
Flexible Schedule
‌
Business Office Assistant - Skilled Nursing Facility
Eastland Sub Acute and Rehabilitation
El Monte, CA
$22 / hour
‌
School Office Assistant
Riverside Unified School District
Riverside, CA
New
‌
Dental Office Assistant Manager
Children's Dental FunZone
Corona, CA
New
Hourly
Hospitality
401(k)
Dental Insurance
Vision Insurance
$25 - $28 / hour
‌
School Office Assistant I / Kingsley Elementary
Ontario-Montclair School District (K-8)
Ontario, CA
New
‌
School Office Assistant I / Montera Elementary
Ontario-Montclair School District (K-8)
Ontario, CA
New
‌
Bilingual Administrative Office Assistant
YQN Logistics
Fontana, CA
New
Hourly
Health Insurance
Dental Insurance
Vision Insurance
$20 - $25 / hour
‌
Administrative Assistant, Office of Human Resources
University of La Verne
La Verne, CA
Hospitality
403(b)
$19.81 / hour
‌
Medical Assistant (Back Office)
Families Together Of Orange County
Anaheim, CA
New
Hourly
Hospitality
$23 - $25 / hour
‌
Back office SupervisorLead Dental Assistant
Steve Tatevossian DDS
Redlands, CA
New
Dental Insurance
‌
Dental Back Office - Registered Dental Assistant
Unicare Health Services
Fontana, CA
‌
Office Assistant
Volunteers of America Los Angeles
Pomona, CA
Hourly
Dental Insurance
Vision Insurance
$18.29 - $19.25 / hour
‌
Office Assistant
Clarvida Maine
Anaheim, CA
Part-Time
Hourly
Dental Insurance
Vision Insurance
$21 / hour
‌
Office Assistant
San Bernardino County Transportation Authority
San Bernardino, CA
Part-Time
Hourly
Health Insurance
Dental Insurance
Education
$20.33 - $30.50 / hour
‌
Office Assistant
The Michaels Organization
Claremont, CA
New
Hourly
Dental Insurance
Vision Insurance
$20 / hour
‌
Office Assistant | Orange, CA (In-office)
Sedgwick
Orange, CA
Hourly
401(k)
PTO
Dental Insurance
Vision Insurance
$17 - $19 / hour
‌
Temporary Office Assistant I
California Baptist University
Riverside, CA
Part-Time
Hourly
$19 / hour
‌
Financial Aid Office Assistant
Pitzer College
Claremont, CA
Hourly
$20 - $21 / hour
‌
Financial Aid Office Assistant
The Claremont Colleges Services
Claremont, CA
New
Hourly
$20 - $21 / hour
‌
Office Supervisor (Medical Assistant)
Jobot Consulting
Corona, CA
Hospitality
‌
Office Assistant II (49.26)
Golden State Water
San Dimas, CA
Dental Insurance
Vision Insurance
‌
Office Assistant II (49.26)
American States Water
San Dimas, CA
New
Dental Insurance
Vision Insurance
‌
Medical Assistant - Front/Back Office
Optum
Rancho Cucamonga, CA
Hourly
401(k)
Health Insurance
$16.15 - $28.80 / hour
‌
Office Assistant
AdvanceCare Health Services
🌎 Remote
New
Part-Time
Remote
Health Insurance
Dental Insurance
Vision Insurance
Flexible Schedule
‌
Entry Level Office Assistant
Hire Frontier
🌎 Remote
New
Part-Time
Remote
Hourly
Flexible Schedule
$54k - $60k / year
‌
Remote Office Assistant (Typing)
Easy Recruiter
🌎 Remote
Remote
Office Assistant Salary in Ontario
Office Assistants working in Ontario, CA make an average annual salary of $34K and a maximum annual salary of around $53K.
Job Description
Working as an Office Assistant in Ontario, CA
There are 7,412 Office Assistant opportunities available in Ontario, CA all with unique requirements.
The Office Assistant helps to keep the workplace running smoothly by performing a wide variety of tasks to support managers and supervisors. Depending on the company or organization, office assistants might handle clerical duties, supervise reception areas or front desks, or perform manual labor in a warehouse.
Similar Jobs to Office Assistant
Office Assistant jobs near Ontario, CA
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