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 Sep 18, 2026

Hiring at a glance

View jobs

Open jobs: 139
Employers: 96

Advertised starting pay

Average starting payCAD / year: $53,252Across 19 listings

Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.

Where work happens

Remote: 0%0 listings
Hybrid: 27%38 listings
On-site: 73%101 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 jobs in Mississauga, ON and nearby

Within 25 km

Save this search

Office Administrative Assistant
Onyx-Fire Protection Services Inc.
Mississauga, Ontario
$40,000 to $45,000 CAD / year
Full-time
Senior Administrative Assistant
DECIEM | THE ABNORMAL BEAUTY COMPANY
Toronto, ON
Full-time
Administrative Assistant - Schools (Olive Grove School)
The Muslim Association of Canada
Mississauga, ON
Full-time · Contract · Temporary
Job Description – Administrative Assistant (Schools)
Human Resources Administrator
Indspire
Toronto, ON
$58,441 to $73,052 CAD / year
Full-time
Senior Administrative Assistant
Mackenzie Investments
Toronto, ON
Full-time
French Bilingual Administrative Assistant
Legal Aid Ontario
Toronto, ON
Full-time
Exam Invigilator and Administrative Assistant-GTA, ON
CIMT College
Brampton, ON · Mississauga, ON
$18 to $20 CAD / hour
Part-time
Administrative Assistant (Part-Time)
Dexterra
Mississauga, ON
$19 to $20 CAD / hour
Part-time
Senior Administrative Assistant - General Medicine
William Osler Health System
Brampton, ON
Full-time
Administrative Assistant (Milton)
Southwestern Ontario Youth for Christ
Milton, ON
Administrative Assistant
Talent Acquisition Team
Toronto, ON
Senior Administrative Assistant
Canadian Mental Health Association
Toronto, ON
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 (Part-Time)
Dexterra
Mississauga, ON
Part-time
Administrative Assistant
Adecco
Toronto, ON
$25 to $28 CAD / hour
Temporary
Administrative Assistant job opening in Toronto, ON (onsite, TTC accessible)
Senior Administrative Assistant
Mackenzie Financial Corporation
Toronto, ON
Other
People and Culture Administrative Assistant (Part-Time, Contract)
YWCA Toronto
Toronto, ON
$52,443 CAD / year
Part-time
Administrative Assistant-Mississauga (Head Office)
Morguard
Mississauga, ON
Full-time
Senior Administrative Assistant - General Medicine
William Osler Health System
Brampton, ON
Full-time
Administrative Assistant I
University Health Network
Toronto, ON
Full-time
ScotiaMcLeod Administrative Support Assistant - Rosedale
Scotiabank
Toronto, ON
Administrative Assistant (Contract Position)
D&H Distributing
Mississauga, Ontario
Contract
We are looking for an Admin Assistant to support our Mississauga location. This position is a contract position working Monday to Friday (40 hours per week).
Administrative Assistant
HR Associates
Mississauga, ON
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…
Administrative Assistant, Distribution Support
BMO
Toronto, ON
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…
Administrative Assistant
Fidelity Canada
Toronto, ON
Full-time
Admin Assistant, Middle & Senior School
The York School
Toronto, ON
$52,000 to $58,000 CAD / year
Full-time
Administrative Assistant, Middle & Senior School

Dexterra

Administrative Assistant (Part-Time)

3359 Mississauga Road, University of Toronto Mississauga (UTM), Mississauga, ON, L5L 1C6, Canada

Job type: Part-time

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At a glance

Automatically prepared from the listing. Check the original description for the full requirements.

Jump to the original description

Responsibilities

The role supports day-to-day administrative functions and cash handling for UTM Dining Services. It ensures that office processes are smooth and cash receipts are accurately balanced.

Requirements

A high school diploma is required, while a college diploma in administration or accounting is considered an asset. Candidates should have proficiency in Microsoft Office and experience in cash handling or office administration.

Experience

0 to 2 years

Education

high school
associate degree

Working hours

40 hours per week

Work arrangement

On-site

Skills

Cash Handling
Office Administration
Microsoft Excel
Microsoft Outlook
Microsoft Word
Numerical Aptitude
Organizational Skills
Communication Skills
Confidentiality

Benefits

Career Opportunities
Recognition
Work-life Balance

Visa sponsorship

Not detected in the job text

Keywords

Cash Handling
Office Administration
Microsoft Office
Excel
Accounting
Business Administration
Numerical Aptitude
Dining Services
Administrative Assistant

Original job description

Company Description

WHO ARE WE?
For over 75 years, we've been feeding communities across Canada - one made-from-scratch meal at a time. Dexterra Signature Dining (formerly Dana Hospitality) is part of Dexterra Group, a fast-growing, publicly listed company (TSX:DXT) with hundreds of job opportunities across North America at any given time.
Why work with us?
Real career opportunities, not just a job, A culture built on camaraderie, recognition, and work-life balance, Room to grow - full-time and part-time roles across our campus locations, A team that feels like family, doing work that matters

Work That Matters. People Who Care.

Come join us at UTM Dining Services - we'd love to have you on the team.

Job Description

We are looking for a detail-oriented and organized Administrative Assistant to join our team on a part-time basis Monday through Friday 9am to 1pm (20 hours a week). This role supports the day-to-day administrative and cash handling functions of our UTM Dining Services operations, ensuring smooth and accurate office processes.

Qualifications

High school diploma or equivalent (minimum)

College diploma in Office Administration, Accounting, Business Administration, or a related field is an asset

Previous experience in cash handling or office administration preferred; experience handling cash and balancing cash receipts is highly valued

Strong numerical aptitude and attention to detail

Proficiency with Microsoft Office (Outlook, Word, Excel, etc.), particularly Excel

Excellent organizational and communication skills

Ability to maintain confidentiality and work with minimal supervision

Additional Information

Dexterra Group is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veterans’ status, Indigenous status, or any other legally protected factors. Disability-related accommodations during the application process are available upon request

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