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 (4), 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
Administrative Assistant – Finance & Billing
Cando Rail & Terminals
Full-time
The Administrative Assistant – Finance & Billing will play an important role in supporting the accurate and timely administration of financial and billing activities,
2027 Winter - CLAO, Administrative Assistant Intern (4 Months)
RBC
Full-time
As part of the Registrations team, the Administrative Assistant will support Registration functions including assisting the Senior Registration Officers, Continuing Education Specialists…
2027 Winter - CLAO, Administrative Assistant Intern (4 Months)
RBC
Full-time
As part of the Registrations team, the Administrative Assistant will support Registration functions including assisting the Senior Registration Officers, Continuing Education Specialists…
Administrative Assistant, Consumer Insolvency
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…
Project Administrative Support Assistant
Newcomer Women's Services Toronto
Full-time
Position Title: Project Administrative Support Assistant
Human Resources Administrator
Canadian Armed Forces | Forces armées canadiennes
Full-time
As a member of the military, Human Resources Administrators provide administrative and general human resources support to all military activities.
Administrative Assistant
Nippon Express Canada
Administrative Assistant, Ninepoint Partners
Ninepoint Partners
Full-time
Provide administrative support to executives and designated business teams.
Administrative Assistant - Bilingual (EN/FR)
Miller Thomson
Administrative Assistant
Publicis Groupe Holdings B.V
Full-time
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
Administrative Assistant (Public Companies)
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…