Senior Administrative Assistant

Markham, Ontario, Canada • Posted March 16, 2026

Job Type: Temporary/Contract
Location: Markham, Ontario
Posted: March 16, 2026
Category: Secretaries and Administrative Assistants
Application Deadline: April 25, 2026

Role Description

Senior Administrative Assistant

Location: Markham, ON
Duration: 2-3 months, potential to extend - immediate joining
Schedule: Full-Time, Monday-Friday, 8am - 4pm
Compensation: $30-36/hr plus vacation pay, paid weekly

We are currently seeking top talent for an experienced Senior Administrative Assistant job opening in Markham, Ontario in the corporate office of a medical setting. In this full-time, interim opportunity, you will be responsible for providing a high level of administrative support to a number of Directors with various support functions - note this position is a fully on-site role. As an experienced Administrative Professional, you will use your skills and experience to provide executive level support functions while multi-tasking and prioritizing the work and needs at hand. This role is ideal for someone who thrives in a fast-paced environment, handles confidential i...

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