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.

Hiring at a glance

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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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  • Administrative Assistant

    Square Yards

    Toronto, ON

    • Full-time

    Square Yards is currently hiring a Jr Deals Administrator. The position's primary duties include managing the front desk and performing other administrative tasks.

  • Administrative assistant - office

    Nirman Management Inc.

    Brampton, ON

    • From $38.46 CAD / hour
    • Full-time
    • On-site
  • Administrative assistant

    GEAR-UP LOGISTIX

    Brampton, ON

    • From $36 CAD / hour
    • Full-time
    • On-site
  • Administrative assistant

    The Visa Depot Inc.

    Mississauga, ON

    • From $27 CAD / hour
    • Full-time
    • On-site
  • Office administrative assistant

    DIAMOND GRANITE COUNTERTOPS INC

    Brampton, ON

    • $36 to $38 CAD / hour
    • Full-time
    • On-site
  • Administrative assistant

    Star Staging and Design Ltd

    Brampton, ON

    • From $37 CAD / hour
    • Full-time
    • On-site
  • Administrative assistant

    RACKED OUT INC

    Mississauga, ON

    • From $36.92 CAD / hour
    • Full-time
    • Contract
    • On-site
  • Administrative assistant

    AUTO SUPREME REPAIR & SALES INC.

    Halton Hills, ON

    • From $37 CAD / hour
    • Full-time
    • On-site
  • Billing Administrative Assistant

    Gowling WLG

    Toronto, ON

    • $55,000 to $75,000 CAD / year
    • Full-time

    The Toronto office is currently recruiting a Billing Administrative Assistant to coordinate and process all billing-related functions for two to three professionals in the IP (Trademark)…

  • Administrative assistant

    IDEAL PACKAGING & SUPPLIES

    Mississauga, ON

    • From $27 CAD / hour
    • Full-time
    • On-site
  • Administrative assistant - office

    WORLD ACCESS IMMIGRATION SERVICES

    Etobicoke, ON

    • $18 to $20 CAD / hour
    • Full-time
    • On-site
  • Administrative assistant - office

    AMK Global

    Mississauga, ON

    • $18 to $21 CAD / hour
    • Full-time
    • On-site
  • Administrative Assistant

    Charger Logistics Inc.

    Brampton, ON

    • Full-time

    Related warehouse clerk or warehouse administrative experience is required.

  • Administrative assistant

    Metro Doors & Woodworking

    Mississauga, ON

    • $36.92 to $38 CAD / hour
    • Full-time
    • On-site
  • Administrative Assistant

    Charger Logistics Inc

    Brampton, ON

    • Full-time

    Related warehouse clerk or warehouse administrative experience is required.

  • Administrative Assistant - Molecular Biology

    William Osler Health System

    Brampton, ON

    • Full-time

    The Adminitrative assistant will provide administrative requirements including the coordination of calendars, preparation of meeting materials and file management for the Molecular…

  • Administrative Assistant - Molecular Biology

    William Osler Health System

    Brampton, ON

    • Full-time

    The Adminitrative assistant will provide administrative requirements including the coordination of calendars, preparation of meeting materials and file management for the Molecular…

  • Administrative Assistant - Molecular Biology

    William Osler Health System

    Brampton, ON

    • Full-time

    The Adminitrative assistant will provide administrative requirements including the coordination of calendars, preparation of meeting materials and file management for the Molecular…

  • Administrative assistant

    PUNJAB INSURANCE INC.

    Etobicoke, ON

    • From $37 CAD / hour
    • Full-time
    • On-site
  • Administrative assistant

    Global Xpress

    Mississauga, ON

    • From $27 CAD / hour
    • Full-time
    • On-site
  • Administrative Assistant

    CIBC

    Toronto, ON

    • Full-time

    You need to be legally eligible to work at the location(s) specified above and, where applicable, must have

  • HR Administrative Assistant

    Webuild

    Toronto, ON

    • Full-time

    We are hiring an HR Administrative Assistant to support our branch operations, reporting to the HRBP for Canada.

  • Administrative Assistant - Reception (Casual)

    Dillon Consulting Limited

    Toronto, ON

    • Part-time

    This role requires working on-site from Dillon’s Downtown Toronto office five days per week · Reliability and punctuality, with the explicit ability to commit to being at the Downtown Toronto office for 8:00 AM, 5 days per week

  • Administrative Assistant, Office Services

    Appleby College

    Oakville, ON

    • $50,000 to $55,000 CAD / year

    We are looking for a highly organized, service-oriented Administrative Assistant, Office Services to join our team! This role is ideal for an administrative professional who thrives in a…

  • Office administrative assistant

    Allingham Machining Inc.

    Brampton, ON

    • From $26.65 CAD / hour
    • Full-time
    • On-site
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