Supervisor, Accounts Payable

About Us:

Opensity Solutions is the largest tech‑enabled managed services organization serving leading law firms, financial institutions and professional services firms. At Opensity, we provide integrated operational platforms, automation and advisory services that enable clients to modernize operating models, reduce cost and accelerate growth. Our capabilities include IT and technology solutions, document processing and administrative support, marketing and communications, billing and AP/AR services, records and information governance, workflow automation, consulting and hospitality and facilities services.

Our Mission:

Our mission is to provide modernized technology platforms, elevated technology support, and valuable insights, empowering our clients to excel in what they do best.

Job Description

Opensity Solutions, a US based private-equity sponsored firm, is seeking an experienced and detail-oriented Accounts Payable Supervisor to support the AP function. Reporting to the Accounts Payable Manager, you will be responsible for AP entry and review, expense coding, and travel & entertainment (T&E) review and approval, ensuring accuracy, compliance, and timely processing across all payables activity. You will bring strong ERP knowledge and technical savviness, along with a keen eye for detail, to support the broader finance function and the AP Manager in maintaining a well-controlled, efficient payables process.

Accounts Payable Entry & Review

• Review and process high-volume accounts payable invoices for accuracy, completeness, and appropriate approval prior to entry.

• Ensure accurate general ledger and expense coding of invoices in accordance with the chart of accounts and departmental budgets.

• Perform detailed review of AP entries to identify and resolve coding errors, duplicate payments, and discrepancies prior to payment run.

• Monitor the AP aging and ensure invoices are processed and paid in accordance with vendor terms and payment schedules.

• Maintain organized, audit-ready documentation for all processed invoices and supporting backup.

Travel & Entertainment (T&E) Review

• Review and approve employee expense reports for policy compliance, accurate coding, and appropriate supporting documentation.

• Identify and escalate out-of-policy expenses, missing receipts, or unusual spending patterns to the AP Manager as needed.

• Partner with employees and department leads to resolve expense report queries and ensure timely reimbursement.

• Maintain and communicate T&E policy guidelines to ensure consistent application across the organization.

Reconciliation & Controls

• Perform vendor statement and AP sub-ledger reconciliations, researching and resolving variances in a timely manner.

• Support month-end close activities, including AP accruals, account reconciliations, and reporting deliverables.

• Maintain strong internal controls over the payables process, ensuring appropriate segregation of duties and approval workflows.

• Assist with internal and external audit requests related to accounts payable and T&E.

Systems & Process Improvement

• Leverage ERP system functionality to streamline invoice processing, coding, and approval workflows.

• Identify opportunities to improve AP processes and controls, recommending and helping implement enhancements.

• Maintain and update standard operating procedures (SOPs) for AP entry, T&E review, and reconciliation processes.

• Support system upgrades, testing, and integrations affecting the accounts payable function.

Team & Cross-Functional Support

• Provide day-to-day guidance and review of work for AP team members, supporting quality and consistency of output.

• Act as an escalation point for complex vendor or coding issues within the team.

• Coordinate with other finance functions (AR, Accounting, Payroll) and business stakeholders to resolve payables-related issues efficiently.

Required Experience & Qualifications

The ideal candidate will be an experienced accounts payable professional with a demonstrated track record of AP entry and review, expense coding, and T&E processing, strong technical and ERP skills, and a high level of attention to detail.

• Minimum 4 years of accounts payable experience, including expense coding, invoice entry, and review.

• Proven experience reviewing and approving travel & entertainment (T&E) expense reports.

• Hands-on experience with an ERP system (Sage Intacct or a comparable cloud-based accounting platform strongly preferred).

• Demonstrated experience performing account and vendor reconciliations.

• Strong understanding of AP controls, approval workflows, and expense policy compliance.

• Experience supporting month-end close activities, including accruals and reconciliations.

• Prior experience providing guidance or informal oversight to other AP team members is a plus.

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Key Skills & Competencies

• Exceptional attention to detail and accuracy in high-volume, deadline-driven work.

• Strong technical savviness with the ability to learn and effectively utilize ERP and finance systems.

• Solid understanding of expense coding, chart of accounts structure, and general ledger impact.

• Proficiency with Microsoft Office Suite, particularly Excel (pivot tables, VLOOKUPs, data analysis).

• Strong organizational and time management skills; able to manage competing priorities and deadlines.

• Clear and professional written and verbal communication skills.

• Proactive problem-solver, comfortable identifying discrepancies and driving them to resolution.

• Collaborative and adaptable; able to work effectively with cross-functional teams and stakeholders.

• Discretion and integrity in handling confidential financial information.

The Compensation range for this role is CAD 75,000 to 85,000 per year and may be eligible for an annual bonus. Actual compensation within that range will be dependent upon the individual's location, skills, experience and qualifications.

All eligible employees receive access to a comprehensive benefits package, including:

Medical insurance

Paid Time Off (PTO)

Remote flexibility

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Opensity is committed to fostering an inclusive, equitable, and accessible workplace. We believe diverse perspectives strengthen our teams and the work we do for our clients.

Opensity provides equal employment opportunities to all applicants and employees and does not discriminate on the basis of race, colour, religion or creed, sex, sexual orientation, gender identity or expression, age, national or ethnic origin, ancestry, citizenship, disability, family status, marital status, source of income, record of offences, or any other characteristic protected under applicable federal or provincial human rights legislation.

We are committed to fair and barrier free recruitment, selection, and employment practices, and to providing reasonable accommodation throughout the hiring process and employment lifecycle, in accordance with applicable human rights legislation.

Candidates who require accommodation during any stage of the recruitment process are encouraged to advise our Talent team so appropriate support can be provided.