Accounts Receivable Specialist

Location: Mississauga, ON (Fully onsite)
Language: English, strong written and verbal communication required
Duration: 3-month contract (with possible extension
Background Check Requirement: Criminal background check required

About the Opportunity
Our client, a fast-paced organization within the consumer goods sector, is seeking an experienced Accounts Receivable Specialist to support complex deductions and dispute resolution. This is an immediate role and plays a critical part in ensuring financial accuracy, strengthening customer relationships, and maintaining healthy cash flow across key accounts.

You will work cross-functionally with teams in Sales, Customer Service, Supply Chain, and Finance, acting as a central point of contact for resolving discrepancies. This is an opportunity to step into a highly collaborative environment where your analytical thinking and attention to detail will directly impact operational efficiency and customer satisfaction.

What’s In It for You

• A collaborative and supportive team environment that values clear communication and shared success
• Exposure to cross-functional teams and large retail accounts
• The opportunity to contribute to process improvements and operational efficiency
• A workplace that values accountability, accuracy, and continuous learning

Your Responsibilities

• You’ll investigate and resolve unapplied payments, deductions, and billing discrepancies to ensure accurate account balances
• In this role, you’ll perform detailed account reconciliations and proactively address variances
• You’ll manage the end-to-end dispute resolution process, coordinating with internal teams to validate or challenge claims
• You’ll follow up with customers on overdue or disputed invoices, reviewing documentation to support resolution
• You’ll identify recurring issues and recommend process improvements to reduce future discrepancies
• You’ll maintain accurate documentation and provide weekly reporting on dispute status, trends, and risks

Skills and Qualifications

• 3+ years of progressive experience in Accounts Receivable, deductions management, or dispute resolution
• Strong experience with customer reconciliations, dispute handling, and overdue account management
• Experience working with large retail customers and managing chargebacks is considered an asset
• Intermediate Excel skills, including pivot tables and lookup functions, along with experience using QuickBooks Desktop
• High attention to detail with strong analytical and problem-solving capabilities
• Excellent communication and organizational skills, with the ability to manage multiple priorities effectively

Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals. All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.