Our client is looking to bring on a Senior Accountant for a 3–6-month contract to support their finance team in a fast-paced retail and e-commerce environment. This is a great opportunity for someone who enjoys working in high-volume, multi-channel businesses and wants exposure to systems, automation, and process improvements.
Responsible for:
Leading month-end close, including journal entries and balance sheet reconciliations
Supporting daily accounting operations, AP, and cash management
Contributing to cash flow forecasting, budgeting, and financial analysis
Maintaining and improving the General Ledger and chart of accounts
Driving process improvements, automation, and workflow optimization
Supporting system integrations across Microsoft Dynamics, POS, and e-commerce platforms
Partnering cross-functionally with FP&A;, IT, and operations
Must Have:
5+ years of Canadian experience in retail or e-commerce accounting
Advanced Excel skills




Robust month-end close and inventory accounting experience
Hands-on experience with Microsoft Dynamics
CPA (completed or in progress)
Strong analytical mindset with advanced Excel and systems skills
Experience with process mapping, automation, and integrations
Additional Information: TMGCT
The Mason Group is committed to fostering a diverse, inclusive, and accessible recruitment process. We welcome applicants from all qualified candidates. Accommodations are available upon request for candidates participating in all stages of the recruitment process, in accordance with the Accessibility for Ontarians with Disabilities Act (AODA).

This role is for an immediate vacancy, and we are actively hiring.

Technology-assisted screening tools including AI may be used during the recruitment process; however, all applications are reviewed by our Consultants.

📌 Senior Accountant - 3 to 6 month (Ontario)
🏢 The Mason Group
📍 Ontario