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.
Counted
Hiring at a glance
View jobs- 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
Ajit and Sons Transport Inc.
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Administrative assistant
LOTEY IMMIGRATION ASSOCIATES
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Administrative assistant
Gymnastics Mississauga
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Administrative assistant - office
R Thind Law Professional Corporation
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Administrative Assistant I - Neuromuscular/Neurology
University Health Network
The Medical Administrative Assistant I provides a broad range of administrative and clerical support to physicians and other healthcare professionals in a fast-paced healthcare environment.…
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Administrative assistant - office
Amicus Immigration Consultants Canada Inc
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Administrative Assistant
RBC
…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…
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Administrative Assistant, Nursing Administration
Sinai Health
The Administrative Assistant is an integral member of the Community Partnerships and Cancer and Palliative Program Performance portfolio, supporting the Senior Director and other team…
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Corporate Receptionist & Administrative Assistant
Recrute Action
2+ years of experience in a Receptionist, Front Desk, Administrative Assistant, Office Coordinator
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Bookkeeper / Administrative Assistant
The ML Group
ML Group is looking for an experienced and dependable Bookkeeper / Administrative Assistant to support the accounting and administrative operations of five related companies.
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Audit Admin Assistant - Assurance
EY
As an Audit Administrative Assistant, you will be a professional member of the EY Assurance team. Together with our substantial investments in technology, knowledge, and learning resources…
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Administrative Assistant
Welch LLP
Please note this role is fully-on site (5 days per week in our downtown Toronto)
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Administrative Assistant
Nestle Operational Services Worldwide SA
As an Administrative Assistant, you will provide comprehensive support to the BEO of Nestle Professional and Vice President, IT & Digital and their leadership teams. This position requires…
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Administrative assistant
Innovative Response Marketing Inc.
Our ideal candidate must have excellent computer knowledge against a broad platform of software applications and outstanding communication skills
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Administrative Assistant, Sustainable Energies Group (6-month contract)
CPP Investments | Investissements RPC
As an Administrative Assistant, Sustainable Energies Group, you will provide day-to-day support to investment professionals across Toronto and New York. You will manage complex calendars…
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Administrative Assistant, People and Culture - Bilingual (EN/FR)
Miller Thomson LLP
We are seeking a Bilingual Administrative Assistant, People and Culture to join the team in our Toronto Office.
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Administrative Assistant, People and Culture - Bilingual (EN/FR)
Miller Thomson
We are seeking a Bilingual Administrative Assistant, People and Culture to join the team in our Toronto Office.
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Administrative Assistant - Real Estate Debt
QuadReal Property Group
Analytical – must have strong numerical skills and be detail-oriented with a keen focus on producing accurate and high caliber work
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Administrative Assistant I - Ophthalmology Office
University Health Network
The Administrative Assistant I, Medical is responsible for providing administrative and reception support within the Ophthalmology Program at the University Health Network. This role…
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Administrative Assistant, Food & Beverage
MLSE (Maple Leaf Sports & Entertainment Partnership)
Must be available to work Monday to Friday, including daytime and occasional evening shifts based on business needs
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Administrative Assistant - Real Estate Debt
QuadReal Property Group
Analytical – must have strong numerical skills and be detail-oriented with a keen focus on producing accurate and high caliber work
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Administrative Assistant - Disability and Delinquency
Carpenters’ Regional Council
Job Title: Administrative Assistant - Disability and Delinquency
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Administrative Assistant
Talent Acquisition - Achev
The Administrative Assistant will perform administrative duties including; scheduling, writing correspondence, addressing phone or email requests, creating reports and presentations,…
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Administrative Assistant, Water
R.V. Anderson Associates Limited
In office 5 days per week for RVA core hours - 8am to 5pm · Switchboard morning shift availability required