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

Administrative Assistant- Clinic Coordinator

talkandthrive

Toronto, ON

• Part-time

…and ADHD assessments. We are seeking a proactive, tech-savvy administrative professional to help keep daily operations running smoothly and support an expanding clinical team.The position…

Administrative Assistant - Odette Cancer Centre - Regular full-time - 2026-19041 (2026-19041)

Sunnybrook

Toronto, ON

• Full-time

Residency program administration and coordination: Providing comprehensive administrative and program coordination support for the University of Toronto Medical Oncology Residency Training…

Administrative Assistant

RBC Dominion Securities

Toronto, ON

• Full-time

…individual to join our leading wealth management firm as an Administrative…

Administrative Assistant, HR & Office Support

Quantum Management Services Ltd.

Toronto, ON

• $38 to $42 CAD / hour
• Full-time

Position: Administrative Assistant, HR & Office Support

Senior Administrative Assistant

Quantum Management Services Ltd.

Toronto, ON

• $65,000 to $70,000 CAD / year
• Full-time

Our client is seeking an Administrative Assistant to join its Construction and Development team in downtown Toronto. Combining financial administration with senior-level team support, this…

Administrative Assistant

Royal Bank of Canada

Toronto, ON

• Full-time

…individual to join our leading wealth management firm as an Administrative…

Administrative Assistant

RBC

Toronto, ON

• Full-time

…individual to join our leading wealth management firm as an Administrative…

ADMINISTRATIVE ASSISTANT 2 #61509

City of Toronto

Toronto, ON

• Full-time

In the role of Administrative Assistant 2, you will perform a variety of administrative and program support functions for one of four sections within the Toronto Building Division. Your…

Administrative Assistant

Quantum Management Services Ltd.

Mississauga, ON

• $27 to $29 CAD / hour
• Temporary

We are looking for an organized and detail-oriented Administrative Assistant to provide day-to-day administrative and clerical support for our government-based client. The ideal candidate…

ADMINISTRATIVE ASSISTANT 2

City of Toronto

Toronto, ON

In the role of Administrative Assistant 2, you will perform a variety of administrative and program support functions for one of four sections within the Toronto Building Division. Your…

Senior Administrative Assistant

Halton Healthcare

Oakville, ON

• $34.56 to $43.21 CAD / hour
• Contract

As a Senior Administrative Assistant, you will serve as a trusted partner to the executive leadership team in a highly visible, fast-paced role requiring intensive calendar management,…

Administrative Assistant

Krest One Dental

Toronto, ON

• Full-time

Level II Dental Assistant experience and relevant qualifications required.

Senior Administrative Assistant

Four Seasons Hotels and Resorts

Toronto, ON

• Full-time

This position provides high-level administrative and executive support to the Senior Vice President, Internal Audit, Senior Vice President, Operations Finance, and Vice President, Sourcing…

Admin Assistant, Program Adult Mental Health, FT (J1026-0440)

North York General Hospital

Toronto, ON

• Full-time

This is a Full Time Regular position, with 8-hour day shifts in the Adult Mental Health Unit

Administrative Assistant

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 leadership team. This is a busy, hands on role for someone who is exceptionally organized, anticipates what needs…

Administrative Assistant

Ricoh USA, Inc.

Mississauga, ON

• Full-time

…day-to-day operations and staff of specified location. The Assistant Manager may run shifts or site solo. Functions as a document specialist or other operations worker the majority of the…

Administrative Assistant

HighView Partners

Toronto, ON

• Contract

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

Project Administrative Assistant

Pomerleau

Toronto, ON

As a Project Administrative Assistant working on the WAHA Project team at Pomerleau Construction, you will play a key role in supporting the project team(s) with key administrative tasks.…

Branch Administrative Assistant

National Bank of Canada

Toronto, ON

• Full-time

A career as a Branch Administrative Assistant at Private Banking 1859 means being the first point of contact for clients, visitors, and colleagues across several business groups. Your…

Administrative Assistant

Picadilly Canada

Toronto, ON

• Full-time

Administrative Assistant

UniPathway Lab

Mississauga, ON

• Full-time

This is a full-time, on-site Administrative Assistant position based in Mississauga, ON. The Administrative Assistant will be responsible for managing daily office operations, providing…

Administrative Assistant I, Medical - Orthopaedics Program

University Health Network

Toronto, ON

• Part-time

The Administrative Assistant II must be able to work within a fast paced, high stress environment and utilize strong communication and organizational skills to perform high level…

Accounting and Administrative Assistant

Sweat and Tonic

Toronto, ON

• Full-time

We are seeking a detail-oriented and organized Accounting & Administrative Assistant to join our finance team on a full-time basis. This role is the backbone of our day-to-day expense…

Administrative Assistant III

University Health Network

Toronto, ON

• Full-time

As a valued member of TeamLMP, you will play a key role exercising judgment and independence in the performance of administrative activities. The Administrative Assistant III provides…

Senior Administrative Assistant

Quantum Management Services Ltd.

Toronto, ON

• $65,000 to $70,000 CAD / year
• Full-time

…Toronto, is seeking a highly organized and proactive Senior Administrative Assistant to support a busy and collaborative…