Senior Accounts Payable Specialist

Akumin is a leading provider of outpatient radiology and oncology services, partnering with top hospitals and health systems nationwide to deliver advanced diagnostic imaging and exceptional patient care close to home. With a national footprint, cutting-edge technology, and a strong commitment to innovation and patient-centered care, our teams play a vital role in improving outcomes for millions of patients each year.

The Senior Accounts Payable Specialist reports to the Accounts Payable Lead and is responsible for the accurate and timely processing of complex and high-volume accounts payable transactions. The role serves as an experienced resource within the AP team, supporting invoice processing, Workday Procure-to-Pay (P2P) activities, payment execution, vendor issue resolution, month-end close, and internal controls. The Senior Specialist is expected to independently resolve exceptions, identify process issues, and support AP leadership with operational priorities and continuous improvement initiatives.

Key Responsibilities

• Process and review high-volume and complex supplier invoices with a high degree of accuracy and timeliness.

• Perform Workday Procure-to-Pay (P2P) activities, including supplier invoice processing, purchase order (PO) matching, receipt validation, and 2-way/3-way match review, as applicable.

• Research and resolve invoice exceptions, including PO, receipt, pricing, quantity, coding, approval, duplicate invoice, and supplier-related discrepancies.

• Partner with Procurement, business requestors, receiving teams, suppliers, and AP leadership to resolve P2P exceptions and prevent payment delays.

• Review non-PO invoices for appropriate coding, approvals, supporting documentation, and compliance with company policy.

• Support weekly payment runs, including checks, ACH, and other approved payment methods, and assist with resolving payment exceptions or returned payments.

• Reconcile supplier statements and proactively research outstanding credits, unapplied payments, duplicate invoices, and past-due items.

• Monitor AP aging and workflow queues and escalate unresolved or high-risk items to the AP Lead.

• Maintain accurate supplier records and supporting documentation, including W-9s and banking information, in accordance with established controls.

• Support month-end close activities, including AP accruals, account reconciliations, aging review, and resolution of outstanding items.

• Respond to supplier and internal stakeholder inquiries professionally and within established service-level expectations.

• Adhere to internal controls, segregation-of-duties requirements, audit standards, and company policies.

• Identify recurring process issues and recommend improvements to strengthen controls, reduce manual work, and improve AP efficiency.

• Provide guidance and support to less-experienced AP team members and assist the AP Lead with special projects, testing, training, and process documentation as needed.

Required Qualifications

• 4+ years of progressive Accounts Payable or related accounting experience; high-volume AP experience strongly preferred.

• Hands-on experience with Workday Financial Management / Workday Procure-to-Pay strongly preferred, including knowledge of Workday Enterprise Interface Builder (EIB) functionality and the use of EIBs for high-volume transaction uploads; experience with another large ERP environment may be considered.

• Strong working knowledge of end-to-end accounts payable and Procure-to-Pay processes, including purchase orders, receiving, invoice matching, exception resolution, and payments.

• Demonstrated ability to independently research and resolve complex invoice, supplier, and payment issues.

• Strong understanding of AP controls, audit requirements, and basic accounting principles.

• Proficiency in Microsoft Excel, including lookups, pivot tables, filtering, and data analysis.

• Strong attention to detail, organization, follow-through, and ability to manage multiple priorities and deadlines in a fast-paced environment.

• Strong written and verbal communication skills with a customer-service and problem-solving mindset.

• Ability to work independently while effectively partnering with the AP Lead and cross-functional stakeholders.

At Akumin, we invest in the well-being of our employees, so you can bring your best self to work each day. You can expect to see the following benefits:

• Competitive compensation

• Flexible scheduling

• Cross training opportunities

• Medical, dental, and vision insurance

• HSA accounts with employer contributions

• 401(k) eligibility with employer match

• Paid holidays

• Defined PTO and sick time programs

Eligibility for benefits will vary based on role type and hours worked.

Akumin Operating Corp. and its divisions are an equal opportunity employer, and we believe in strength through diversity. All qualified applicants will receive consideration for employment without regard to, among other things, age, race, religion, color, national origin, sex, sexual orientation, gender identity & expression, status as a protected veteran, or disability.

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Akumin Operating Corp. and its divisions are an equal opportunity employer and we believe in strength through diversity. All qualified applicants will receive consideration for employment without regard to, among other things, age, race, religion, color, national origin, sex, sexual orientation, gender identity & expression, status as a protected veteran, or disability.