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.
127 listings · 88 employers Counted . How we count
About these jobs
Employers hiring include University Health Network (5 listings), BMO (4 listings), MNP (4 listings).
19 of these listings include employer-provided pay. Open a job to see its currency and pay period.
Workplace classifications: 0% remote, 28% hybrid, 72% on-site, 0% not specified. Hybrid and on-site classifications may be inferred from descriptions. Check the original ad.
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
Administrative Assistant
25 to 28 CAD / hour
Temporary
Administrative Assistant job opening in Toronto, ON (onsite, TTC accessible)
Senior Administrative Assistant
Canadian Mental Health Association
Temporary
We are currently seeking an experienced individual to join the CMHA Ontario Team as a Senior Administrative Assistant. Reporting to the Chief Operating Officer (COO), the Senior…
Administrative Assistant
Temporary
…Ontario. We specialize in placing interim professionals and administrative resources within the public, broader public, and not-for-profit sectors. Our consultants bring deep domain…
Admin Assistant, Middle & Senior School
52,000 to 58,000 CAD / year
Full-time
Administrative Assistant, Middle & Senior School
Administrative Assistant, Distribution Support
Full-time
Performs a variety of administrative and clerical tasks, financial and human resources administration and provides professional support to one or more Managers and their direct reports. The…
Bilingual Administrative Assistant / Adjoint(e) administratif(-ive)
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…
Senior Administrative Assistant
70,000 to 75,000 CAD / year
Full-time
…supporting senior leaders? We are recruiting for an Executive Assistant to join a leading organization in the transportation and infrastructure sector, supporting executive leadership on a…