Administrative assistant jobs in Mississauga, ON and nearby (315 jobs)

Administrative Assistant

Resilience

Mississauga, ON

• Full-time

Provides day-to-day administrative and clerical support to site leadership and staff at the RBI site, working under the direction of the Site Leader. Serves as the site's point of…

Administrative Assistant (Safety Department)

Maple Reinders

Mississauga, ON

• $60,000 to $70,000 CAD / year
• Full-time

Maple Reinders Constructors is currently looking for an experienced and highly organized Administrative Assistant to join our Safety Department at our Mississauga, Ontario Head Office and…

Administrative Assistant II

University Health Network

Toronto, ON

• Part-time

Provides administrative support to the IPAC department.

Administrative Assistant

Resilience

Mississauga, ON

• Full-time

Provides day-to-day administrative and clerical support to site leadership and staff at the RBI site, working under the direction of the Site Leader. Serves as the site's point of…

Administrative Assistant

AMK Global Group

Mississauga, ON

• $40,000 to $45,000 CAD / year
• Full-time

Must be available to work on-site in Mississauga, 5 days per week

Administrative Assistant, Water

R.V. Anderson Associates Limited

Toronto, ON

• Full-time

In office 5 days per week for RVA core hours - 8am to 5pm · Switchboard morning shift availability required

Administrative Assistant III

University Health Network

Toronto, ON

• Contract

The Administrative Assistant III provides comprehensive administrative and operational support to the Princess Margaret (PM) Commercialization team, with a primary focus on supporting team…

Administrative assistant

Marble Trend Ltd.

Toronto, ON

• Full-time

Senior Administrative Assistant

Mackenzie Financial Corporation

Toronto, ON

• Other

Mackenzie Financial Corporation is currently accepting applications for the position of Senior Administrative Assistant. This position will be part of Mackenzie’s Retail Distribution…

Senior Administrative Assistant

HR Associates

Toronto, ON

• $25 to $35 CAD / hour
• Contract

…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, Richter Family Office

Richter

Toronto, ON

• Full-time

Administrative Assistant – Richter Family Office (RFO)

Administrative Assistant

ZenaTech Inc.

Toronto, ON

• $40,000 to $45,000 CAD / year
• Full-time

We are seeking an enthusiastic and organized Administrative Assistant to join our Toronto office. This opportunity is ideal for a recent graduate beginning their career in business…

Receptionist and Administrative Assistant

EBC Inc.

Toronto, ON

• Full-time

We are seeking a highly organized and professional receptionist to join our team. This position will provide administrative support while also managing reception duties to ensure smooth…

Administrative Assistant (2026-10862)

Verve Senior Living

Toronto, ON

• Part-time

…residences. Under the direction of the Office Manager, provides administrative support including clerical and reception duties for the efficient operation of the…

Administrative Assistant, Private Wealth

BMO

Toronto, ON

• Full-time

Provides administrative/operational support including financial and transactional processing and reporting, account processing and documentation, compliance processing, and other related…

Administrative Assistant - YYZ

Unifi

Toronto, ON

Unifi Aviation Canada is seeking an Administrative Assistant to support our ground handling operation at Toronto Pearson International Airport. This role provides general administrative and…

Studio Coordinator/Administrative Assistant

Gensler

Toronto, ON

• Full-time

Must have at least 3+ years of experience in an administrative support position

Administrative Assistant, Data & Technology

OMERS

Toronto, ON

• Full-time

The Administrative Assistant provides high‑quality administrative and coordination support to multiple Vice Presidents within the Data & Technology organization. The role supports leaders…

Human Resources Administrative Assistant

Smilegate West

Toronto, ON

• Full-time

The Human Resources Administrative Assistant is a full-time, hybrid role based in Toronto, ON, with some flexibility for work from home. This role supports the HR team and leadership by…

Admin Assistant - Perioperative Services - FT (J0926-0684)

North York General Hospital

Toronto, ON

• Full-time

This is a Full-Time Regular position, with 8-hour shifts, Day shifts in the Perioperative Services Department

Administrative Assistant, Food & Beverage

MLSE (Maple Leaf Sports & Entertainment Partnership)

Toronto, ON

• Part-time

Must be available to work Monday to Friday, including daytime and occasional evening shifts based on business needs

Administrative Assistant

Burson

Toronto, ON

• Full-time

The successful candidate will be expected to work from our Toronto office a minimum of four days per week · Ability to work from the Toronto office a minimum of four days per week

Office administrative assistant

Allingham Machining Inc.

Brampton, ON

• Full-time

Administrative Assistant

Burson

Toronto, ON

The successful candidate will be expected to work from our Toronto office a minimum of four days per week · Ability to work from the Toronto office a minimum of four days per week

Administrative Assistant, Sustainable Energies Group (6-month contract)

CPP Investments | Investissements RPC

Toronto, ON

• Full-time

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…