Administrative Assistant

Administrative Assistant job opening in Toronto, ON (onsite, TTC accessible) Our client is looking for a mature, experienced Administrative Assistant to work in their busy, fast paced environment on an urgent basis. The Administrative Assistant will be responsible for providing support to the COO and various others supporting with various tasks from calendaring to back up reception and more. Please note this is an interim temporary opportunity that starts immediately for 6 months with potential to extend or more. Pay rate range of $25-28/hr plus vacation pay, paid weekly. Some of the responsibilities for the Administrative Assistant job opening in Toronto, ON may include but are not limited to: Organize meeting including the various logistics such as ordering caterings, setting up, tearing down Report and document creation utilizing MS Office programs Database updating and documenting; filling and other related tasks Provide phone support; liaise with internal teams, vendors and clients in a professional presentation Be the back-up for the front-desk receptionist on breaks/lunch Be able to change priorities quickly and take initiative while being a full team player to support and work with other departments/staff Perform other administrative and clerical duties as assigned To be considered for the Administrative Assistant job opening in Toronto, ON, the selected incumbent will meet the following minimum criteria: At least 3 years of direct Administrative Assistant/Executive Assistant experience; preference to those who have supported Executives in the past Heavy calendaring experience, travel arrangements Excellent communication skills, both verbal and written Advanced skills in Microsoft Word, Excel, PowerPoint and Outlook High level organizational skills and attention to detail Flexible, team player with a can-do attitude; no job too big or small Strong prioritization, takes initiative, ability to meet deadlines and handle multiple demands while being able to adjust to changing priorities Attentive decision making and problem-solving skills If you are interested in the Administrative Assistant job opening in Toronto, ON and you meet the requirements as outlined above, please submit your resume online today as our client is motivated to bring someone aboard immediately! Vacancy Status: This posting is for a current, urgent vacancy. At Adecco our purpose is simple: to make the future work for everyone. We live our values, Passion, Collaboration, Inclusion, Courage, and Customers at Heart, by fostering a workplace where diversity is celebrated and every voice matters. We encourage applications from individuals of all backgrounds and identities. Together, we’re making the future work for everyone.

Provide high-level administrative support to the COO, including complex calendaring and document creation. Act as back-up reception and coordinate meeting logistics such as catering and setup.

Requires at least 3 years of Administrative or Executive Assistant experience with a focus on supporting executives. Must possess advanced proficiency in MS Office and strong organizational and communication skills.

• Vacation Pay

• Time managementPreferred
• Problem solvingPreferred
• Microsoft ExcelPreferred
• Microsoft WordPreferred
• Microsoft OutlookPreferred

Identified from the job description. Confirm important requirements above.

• Calendaring
• Travel Arrangements
• Microsoft Word
• Microsoft Excel
• Microsoft PowerPoint
• Microsoft Outlook
• Document Creation
• Database Updating
• Reception
• Phone Support
• Prioritization
• Problem-solving
• Organizational Skills
• Written Communication
• Verbal Communication
• Time Management

• Administrative
• Management & Leadership
• Customer Service & Support

Minimum experience

2+ years

Apply by

Sep 23, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Associate

Application method

Direct apply is available