Accounting Senior Specialist I

At OSL Retail Services, we believe people are the heart of everything we do, and it is an exciting time to be part of something special! Our momentum is growing, and is fueled by innovation, collaboration, and a shared entrepreneurial spirit that drives real results. Founded in 2012 in Mississauga, Ontario, OSL delivers customized sales solutions in retail, direct sales, and customer acquisition, all built on a foundation of integrity, respect, and passion. Our culture thrives on connection, purpose, and growth. If you’re looking for a place where your talents are valued, your ideas matter, and your career can grow, we’d love to meet you!

We are currently seeking a Senior Specialist, Accounting. Reporting to the Accounting Manager, this role is responsible for financial reporting, general ledger reconciliations, accounts receivable management, month-end closing processes, and supporting quarterly and annual audits. The ideal candidate is a detail-oriented accounting professional with strong analytical skills, ERP experience, and the ability to thrive in a fast-paced environment while maintaining high accuracy and meeting tight deadlines.

• Manage the month-end closing schedule, perform reconciliations, analysis, and complete GFIS submissions
• Prepare and submit HQ Financial Reports including FSCS, GCPS, ICMS, and FHC
• Act as liaison with external auditors (PwC) and complete all PBC (Prepared by Client) requests
• Support the Risk Management Team with accounting-related analysis and information
• Perform GL reconciliations, analysis, and reporting as required by management and HQ
• Manage daily AR clearing, cash applications, and provide mentoring/training to AR Specialists
• Own the Recycling Process including e-waste fee collection, validation, invoicing, and monthly submissions to recycling organizations
• Liaise with recycling auditors for provincial remittances and complete required documentation
• Provide backup support for fixed assets and cash management processes
• Prepare ad hoc reports and analysis as required by management

• University degree in Business Administration, Commerce, or Accounting preferred
• Enrollment in CPA program is an asset
• 3–5 years of progressive experience in an accounting role
• Advanced knowledge of Microsoft Excel
• Solid understanding of IFRS
• Ability to work under pressure and meet tight deadlines with minimal supervision
• Strong attention to detail and excellent analytical skills
• Proven ability to work independently and collaboratively in a fast-paced environment
• Excellent written and oral communication skills

The yearly salary for this contract is $70K to $75K.

• Award-winning culture: Proud to be one of Canada’s Best Managed Companies for 8 years running — now a Platinum Club member.
• Invested in you: Structured employee development programs designed to help you thrive.

We’re committed to supporting your success every step of the way.  What are the next steps?

We thank all interested applicants; however, only qualified candidates will be contacted.  This position requires successful completion of a criminal background check. OSL is committed to an inclusive workplace that does not discriminate against race, nationality, religion, age, marital status, physical or mental disability, sexual orientation, gender, or gender identity. We believe in diversity and encourage any qualified individual to apply.

Disclaimer: As part of our recruitment process, we utilize artificial intelligence (AI)-based tools to assist with certain stages, including initial resume screening and skills-matching assessments. These tools are designed to help our hiring team identify candidates whose experience and qualifications align closely with the requirements of the role. Please note that all final hiring decisions are made by our recruitment team.  The preceding job description has been designed to indicate the general nature and level of work performed by employees within this job. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job.  In compliance with Ontario’s Bill 190, we confirm that this posting represents a current existing vacancy within our organization.