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

Administrative Assistant, Department of Professional Practice (12 months contract)

KPMG

Toronto, ON · Oakville, ON

• Temporary

The Department of Professional Practice (DPP) is looking for an Administrative Assistant who can provide support on a range of activities to ensure high-quality deliverables.

Administrative Assistant

Peak Associates Limited

Toronto, ON

• $50,000 to $55,000 CAD / year
• Full-time

Must possess the ability to effectively communicate across all levels of management within the company as well as outside the organization

Admin Assistant PI, MAP Centre for Urban Health Solutions

St. Michael's Hospital

Toronto, ON

• Temporary

Dr. Monchalin is seeking a part-time Administrative Assistant. The Administrative Assistant will provide overall administrative and organizational support to the Principal Investigator and…

Administrative Assistant

Hydro One Networks Inc

Toronto, ON

Manage and be responsible for the provision of administrative and support services relative to communications, project coordination and records management. Contribute towards the effective…

ADMINISTRATIVE ASSISTANT 1

City of Toronto

Toronto, ON

The Administrative Assistant 1 for Toronto Emergency Management will report to the Executive Director and will play a critical role on the team providing senior level administrative…

Administrative Assistant-MDD

The Muslim Association of Canada

Mississauga, ON

The Administrative Assistant enhances the Executive Director’s effectiveness by providing high-level information management support and representing the executive to others. Also known as…

Administrative Assistant, Operations

Lifemark Health Group

Toronto, ON

• $70,000 to $80,000 CAD / year
• Full-time

We are looking for an experienced Administrative Assistant to support our Operations leadership team. This is a busy, hands on role for someone who is exceptionally organized, anticipates…

Collision Centre Administrative Assistant

HSC Holdings Inc

Oakville, ON

• $18 to $20 CAD / hour

Must have an enthusiastic and outgoing personality

Billing Administrative Assistant

Gowling WLG

Toronto, ON

• $50,000 to $55,000 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)…

IIA Administrative Assistant, ScotiaMcLeod (Spanish/ English) - Toronto

Scotiabank

Toronto, ON

The Administrative Associate is expected to take the initiative and work independently on all administrative tasks.

Administrative Assistant, Academics

Branksome Hall

Toronto, ON

• $50,123 to $62,570 CAD / year
• Full-time
• Contract

A member of the Academics team, and working closely with the Registrar, the Administrative Assistant provides administrative support to the Academics department, including in the areas of…

Human Resources Administrator

Hydrostor

Toronto, ON

• $50,000 to $70,000 CAD / year
• Full-time

If you're an organized, proactive HR professional who enjoys balancing administrative excellence with meaningful employee interaction, we'd love to hear from you.

Administrative Assistant - Finance, Risk and Contract Management

Power Staffing Solutions

Mississauga, ON

• $60,000 to $75,000 CAD / year
• Full-time

The Administrative assistant will support the Finance, Risk, and Contract teams by handling administrative tasks, coordinating activities, and helping keep operations organized and…

Administrative Assistant

Raymond James

Toronto, ON

• Full-time

Drawing on industry experience in a financial services firm or previous experience in an administrative role, you will be responsible for providing administrative support to the Financial…

Senior Administrative Assistant

Ipsen

Mississauga, ON

• Full-time

Must have the ability to manage multiple tasks and projects simultaneously and is very organized

Administrative Assistant

Colliers International

Toronto, ON

• Full-time

This position is for an Administrative Assistant in Toronto, Ontario***

Administrative Assistant

HighView Partners

Toronto, ON

• Contract

…supporting one of Toronto’s landmark office destinations as an Administrative Assistant on a 12-month…

Administrative Assistant

Motion

Mississauga, ON

2+ years in an administrative, bookkeeping, billing, or office coordination role

Senior Administrative Assistant

Altis

Toronto, ON

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

Location: North York, Toronto, ON, On-site 5 days per week to start, with potential for a hybrid arrangement if extended

Administrative Assistant [Contract: Jan 11- April 30, 2027]

Doane Grant Thornton LLP

Mississauga, ON

• Temporary

That’s why we’re working in a model where teams are required to be together in the office 5 days per week

Administrative Assistant [ [Contract: Jan 11- April 30, 2027]]

Doane Grant Thornton LLP

Oakville, ON

• Temporary

That’s why we’re working in a model where teams are required to be together in the office 5 days per week

Office Administrative Assistant - Civil

EBC Inc.

Mississauga, ON

• Full-time

The Administrative Assistant provides administrative and organizational support to the Civil Group, helping ensure the efficient day-to-day operation of the office. This role is responsible…

Human Resources Administrator

Crescent School

Toronto, ON

• Full-time

Office Administrative Assistant - Civil

EBC Inc.

Mississauga, ON

The Administrative Assistant provides administrative and organizational support to the Civil Group, helping ensure the efficient day-to-day operation of the office. This role is responsible…

Administrative Assistant (2026-10269)

Verve Senior Living

Mississauga, 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…