Administrative assistant jobs in Mississauga, ON and nearby
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
- 138
- Employers
- 96
Advertised starting pay
- Average starting payCAD / year
- $54,016Across 18 listings
Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.
Where work happens
- Remote
- 0%0 listings
- Hybrid
- 28%38 listings
- On-site
- 72%100 listings
Employers hiring include University Health Network (8), BMO (5), MNP (4).
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
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Administrative Assistant, Middle & Senior School
The York School
$52,000 to $58,000 CAD / year
Full-time
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Administrative Assistant - Drug Safety Clinic -Temporary Full-Time 2026-18138 (2026-18138)
Sunnybrook
Full-time
Provide administrative support for the Drug Safety Clinic, a fast-paced multi-disciplinary clinic
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Bilingual Administrative Assistant / Adjoint(e) administratif(-ive)
BioScript Solutions
Full-time
Are you ready to make a lasting impact in specialty care? We’re seeking a dedicated and dynamic Administrative Assistant to join our Patient Support Programs at BioScript Solutions, where…
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Administrative Assistant - Retirement , Permanent Part time
Schlegel Villages
Part-time
The Village of Humber Heights has an exciting opportunity for a Administrative Assistant to join their team.
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Administrative Assistant III
Capital One
Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Administrative Assistant III
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Administrative Assistant
MNP
Full-time
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…
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