Part-time Accounting Jobs in Oakville, ON

We are offering a long-term, part-time, onsite contract opportunity for an Accounting Clerk in Mississauga, Ontario. In this role, you'll be responsible for handling accounts payable and receivable, ensuring accurate data entry and efficient invoice processing. We are seeking a candidate who can commit to this position on a long-term basis.Responsibilities : Managing accounts payable and accounts receivable transactions with precisionInputting orders and linking them to the relevant purchase ordersEnsuring all invoices are properly documented and scannedUtilizing the Sage 300 system for recording and management of transactionsKeeping a well-organized record of payment backupsHandling a high volume of transactions effectivelyMaintaining and updating customer credit recordsProcessing customer credit applications with accuracy and efficiencyUtilizing Microsoft Excel for data management and analysisPerforming 3-way matching for order entry and invoice processing.Minimum of 1+ years of experience in an accounting clerk role or similar positionProficiency in Accounts Payable (AP) and Accounts Receivable (AR) processesDemonstrated skills in data entry with high accuracy Experience in invoice processing and order entryProficient in Microsoft Excel for creating spreadsheets and managing dataFamiliarity with 3 Way Matching in accounting proceduresExperience in paper filing and document managementAbility to scan documents effectively and maintain digital recordsKnowledge of Sage 300 software for accounting tasksRobert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.Questions? Call your local office at 1.888.490.3195. All applicants applying for Canadian job openings must be authorized to work in Canada.Only job postings for jobs located in Quebec appear in French.© 2025 Robert Half. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use.