Administrative assistant jobs in Mississauga, ON and nearby (315 jobs)
Administrative assistant jobs within 25 km of Mississauga, ON, Canada. Nearby towns and cities are included. Distances are straight-line, not driving distances.
Counted
Hiring at a glance
View jobs- Open jobs
- 315
- Employers
- 194
Advertised starting pay
- Average starting payCAD / hour
- $27.75Across 44 listings
- Average starting payCAD / year
- $53,858Across 34 listings
Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.
Where work happens
- Remote
- 0%0 listings
- Hybrid
- 24%76 listings
- On-site
- 76%239 listings
Employers hiring include University Health Network (24), Quantum Management Services Ltd. (12), Doane Grant Thornton LLP (6).
Sources & calculation notes
These figures describe the listings on this role page at the date shown, not the whole job market. Listings can change.
Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.
Hybrid and on-site classifications may be inferred from descriptions. Check the original ad. How we count
About these jobs
Before you apply
Compare the office software, language skills and clerical experience requested in each ad. Job Bank lists secondary school and administrative training or previous clerical experience as typical requirements. Individual employers set their own criteria. Job Bank / Guichet-Emplois.
Guidance reviewed on September 16, 2026.
Based on the dated count above. Listings can change. How we count
Administrative assistant jobs in Mississauga, ON and nearby
Within 25 km
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Laboratory Administrative Assistant
EMSL CANADA INC
…TimeSalary Range: $20.00 - $20.00 HourlyEMSL is seeking a Laboratory Administrative Assistant in Mississauga, ON. This is an administrative support position for the laboratory manager and…
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Administrative Assistant
ADHECOGEN
ADH is seeking a highly organized, professional and service-oriented Administrative Assistant to provide day-to-day administrative and front-office support to our growing organization.
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Administrative Assistant
RBC Dominion Securities
…individual to join our leading wealth management firm as an Administrative Assistant. By providing ongoing, exceptional service and support to our clients and our Advisor team, you will…
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Bilingual Administrative Assistant, Professional Resources
McCarthy Tétrault LLP
We are recruiting for a Billingual Professional Resources Administrative Assistant to join our team in our Vancouver, Calgary, Toronto or Montreal office. The successful candidate will have…
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Administrative Assistant - Sunrise Kids Dental
123Dentist
The team at Sunrise Kids Dental located in Scarborough, Ontario are looking for a passionate, hard-working Administrative Assistant on a temporary basis.
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Administrative Assistant
Royal Bank of Canada
…individual to join our leading wealth management firm as an Administrative Assistant. By providing ongoing, exceptional service and support to our clients and our Advisor team, you will…
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Administrative Assistant I - Stroke Prevention
University Health Network
Must have experience using EPIC EMR for patient records
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Administrative Assistant
RBC
…individual to join our leading wealth management firm as an Administrative Assistant. By providing ongoing, exceptional service and support to our clients and our Advisor team, you will…
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Administrative Assistant
Driving Force Group of Companies Recruitment Team
We are currently looking for an Administrative Assistant to support our Film Clients at our Mississauga location.
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Administrative Assistant - Sunrise Kids Dental
123Dentist
The team at Sunrise Kids Dental located in Scarborough, Ontario are looking for a passionate, hard-working Administrative Assistant on a temporary basis.
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Administrative Assistant - Schools
The Muslim Association of Canada
Job Description – Administrative Assistant (Schools)
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HO Administration HR IT - Admin Assistant
Nippon Express Canada
The Administrative Assistant is responsible for a wide variety of tasks in support of the Administration department. These tasks may include general secretarial duties including supply…
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Administrative Assistant (6 Month Contract)
Circle of Care, Sinai Health
The Administrative Assistant is responsible for supporting the operational success of providing client-centered care, including referral management for all contracted services, creating new…
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Senior Administrative Assistant (12-Month Contract)
CAAT Pension Plan
We are seeking a Senior Administrative Assistant to provide high-level administration and coordination support to the Senior Vice President and the broader team.
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Administrative Assistant
TDS Personnel
Our client is seeking located in North York is seeking an Administrative Assistant to join their team on temporary basis for a minimum of four months. In this role, you will be the face of…
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Administrative Assistant
Leo Toronto
We’re looking for a dynamic, proactive Administrative Assistant to help support members of the leadership team at Leo. Reporting to the Executive Assistant, this person will assist across a…
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WIC Admin Assistant Volunteer
Family Service Toronto
We are seeking a volunteer to provide administrative support to the FST Single-session Walk-in Counselling Service (WIC). Volunteers coordinate Walk-In paperwork and work closely with…
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Administrative Assistant – Finance & Billing
Cando Rail & Terminals
The Administrative Assistant – Finance & Billing will play an important role in supporting the accurate and timely administration of financial and billing activities, while also providing…
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Human Resources Administrator
Canadian Armed Forces | Forces armées canadiennes
As a member of the military, Human Resources Administrators provide administrative and general human resources support to all military activities.
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Administrative Assistant
Nippon Express Canada
The Administrative Assistant is responsible for a wide variety of tasks in support of the Administration department. These tasks may include general secretarial duties including supply…
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Partner Administrative Assistant, Tax (Toronto)
KPMG Canada
KPMG is looking for an Administrative Assistant who can provide support on a range of activities to ensure a high-quality product.
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Senior Administrative Assistant
Doane Grant Thornton LLP
This role is required to be in-office 5 days per week
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Partner Administrative Assistant, Advisory Services (Deals Advisory)
KPMG Canada
KPMG is looking for a Partner Administrative Assistant who can provide support to a team of Partners and team on a range of activities to ensure high-quality deliverables.
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Partner Administrative Assistant, Advisory Services (Deals Advisory)
KPMG Canada
KPMG is looking for a Partner Administrative Assistant who can provide support to a team of Partners and team on a range of activities to ensure high-quality deliverables.
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Administrative Assistant (Public Companies)
MNP
Make an impact with our Administration team as an Administrative Assistant. This diverse team of professionals directly contributes to the success of the firm by supporting internal and…