Manager Accounts Payable

CBTS serves enterprise and midmarket clients in all industries across the United States and Canada. CBTS combines deep technical expertise with a full suite of flexible technology solutions–including Application Modernization, Managed Hybrid Cloud, Cybersecurity, Unified Communications, and Infrastructure solutions. From developing and deploying modern applications and the secure, scalable platforms on which they run, to managing, monitoring, and optimizing their operations, CBTS delivers comprehensive technology solutions for its clients' transformative business initiatives.

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OnX is a leading technology solution provider that serves businesses, healthcare organizations, and government agencies across Canada. OnX combines deep technical expertise with a full suite of flexible technology solutions—including Generative AI, Application Modernization, Managed Hybrid Cloud, Cybersecurity, Unified Communications, and Infrastructure solutions. From developing and deploying modern applications and the secure, scalable platforms on which they run, to managing, monitoring, and optimizing their operations, OnX delivers comprehensive technology solutions for its clients’ transformative business initiatives.

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We are seeking a results-driven and detail-oriented Accounts Payable (AP) Manager to lead and scale our Shared Services AP operations for a $1.3 billion revenue organization. This role is critical in ensuring accurate, timely, and compliant processing of all payments and vendor transactions, while continuously improving the end-to-end procure-to-pay process.

The AP Manager will lead a team responsible for processing high volumes of invoices, managing vendor relationships, responding to internal inquiries, and enforcing internal controls. This position requires a strategic thinker who can drive efficiency through automation, optimize payment terms, and ensure that AP operations align with company objectives and regulatory compliance.

The Manager will be responsible for documenting and standardizing the Accounts Payable processes, building out training documentation and courses, onboarding and developing new team members, and ensuring that workloads are effectively managed across the team for maximum efficiency and performance. This is both a leadership and hands‑on role, requiring excellent communication, organization, and strategic thinking.

• Lead, mentor, and develop the Accounts Payable team, ensuring high performance, accountability, and professional growth.
• Oversee the onboarding of new team members, ensuring a smooth and consistent introduction to systems, policies, and procedures.
• Develop and maintain a comprehensive training curriculum, ensuring all employees are fully equipped to perform their responsibilities.
• Continuously assess team bandwidth and allocate workloads efficiently across staff to ensure balanced capacity and quality execution.
• Build a culture of continuous improvement and operational excellence.
• Serve as an escalation point for all issues encountered by Team Leads and analysts.

• Oversee daily AP operations, including invoice processing, vendor payments, and expense reimbursements.
• Ensure all payments are processed timely and accurately, in accordance with corporate policy, contract terms, and regulatory requirements.
• Monitor and manage AP aging and open items to minimize liabilities and maximize cash flow.

• Serve as the primary escalation point for vendor issues and payment discrepancies.
• Build and maintain strong relationships with vendors, procurement, and internal stakeholders.
• Ensure timely and professional resolution of vendor inquiries and disputes.

• Maintain strong internal controls over the AP function to prevent errors and fraud.
• Ensure compliance with tax laws, SOX (if applicable), and other regulatory requirements.
• Support internal and external audits, providing documentation and responding to requests as needed.

• Lead the documentation of current…