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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  • Laboratory Administrative Assistant

    EMSL CANADA INC

    Mississauga, ON

    • Full-time

    …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…

  • Administrative Assistant

    ADHECOGEN

    Mississauga, ON

    • Full-time

    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.

  • Administrative Assistant

    RBC Dominion Securities

    Toronto, ON

    • Full-time

    …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…

  • Bilingual Administrative Assistant, Professional Resources

    McCarthy Tétrault LLP

    Toronto, ON

    • Full-time

    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…

  • Administrative Assistant - Sunrise Kids Dental

    123Dentist

    Toronto, ON

    • Part-time

    The team at Sunrise Kids Dental located in Scarborough, Ontario are looking for a passionate, hard-working Administrative Assistant on a temporary basis.

  • Administrative Assistant

    Royal Bank of Canada

    Toronto, ON

    • Full-time

    …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…

  • Administrative Assistant I - Stroke Prevention

    University Health Network

    Toronto, ON

    • Part-time

    Must have experience using EPIC EMR for patient records

  • Administrative Assistant

    RBC

    Toronto, ON

    • Full-time

    …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…

  • Administrative Assistant

    Driving Force Group of Companies Recruitment Team

    Mississauga, ON

    We are currently looking for an Administrative Assistant to support our Film Clients at our Mississauga location.

  • Administrative Assistant - Sunrise Kids Dental

    123Dentist

    Toronto, ON

    • $22 to $26 CAD / hour
    • Part-time

    The team at Sunrise Kids Dental located in Scarborough, Ontario are looking for a passionate, hard-working Administrative Assistant on a temporary basis.

  • Administrative Assistant - Schools

    The Muslim Association of Canada

    Mississauga, ON

    Job Description – Administrative Assistant (Schools)

  • HO Administration HR IT - Admin Assistant

    Nippon Express Canada

    Mississauga, ON

    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…

  • Administrative Assistant (6 Month Contract)

    Circle of Care, Sinai Health

    Toronto, ON

    The Administrative Assistant is responsible for supporting the operational success of providing client-centered care, including referral management for all contracted services, creating new…

  • Senior Administrative Assistant (12-Month Contract)

    CAAT Pension Plan

    Toronto, ON

    • Full-time

    We are seeking a Senior Administrative Assistant to provide high-level administration and coordination support to the Senior Vice President and the broader team.

  • Administrative Assistant

    TDS Personnel

    Toronto, ON

    • $34 to $36 CAD / hour
    • Temporary

    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…

  • Administrative Assistant

    Leo Toronto

    Toronto, ON

    • $55,000 to $65,000 CAD / year
    • 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 across a…

  • WIC Admin Assistant Volunteer

    Family Service Toronto

    Toronto, ON

    • Volunteer

    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…

  • Administrative Assistant – Finance & Billing

    Cando Rail & Terminals

    Toronto, ON

    • Full-time

    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…

  • Human Resources Administrator

    Canadian Armed Forces | Forces armées canadiennes

    Toronto, ON

    • 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

    Mississauga, ON

    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…

  • Partner Administrative Assistant, Tax (Toronto)

    KPMG Canada

    Toronto, ON

    • Full-time

    KPMG is looking for an Administrative Assistant who can provide support on a range of activities to ensure a high-quality product.

  • Senior Administrative Assistant

    Doane Grant Thornton LLP

    Mississauga, ON

    • Full-time

    This role is required to be in-office 5 days per week

  • Partner Administrative Assistant, Advisory Services (Deals Advisory)

    KPMG Canada

    Toronto, ON

    • Full-time

    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.

  • Partner Administrative Assistant, Advisory Services (Deals Advisory)

    KPMG Canada

    Toronto, ON

    • Full-time

    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.

  • Administrative Assistant (Public Companies)

    MNP

    Toronto, ON

    • 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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