AP Supervisor

Aston Carter; Maryland; On-site; USD 75,000 - 95,000; Full time

Job summary

Aston Carter is seeking an Accounts Payable Supervisor in Maryland to lead a high-volume multi-entity AP team, serve as Workday Financials SME, and drive process improvements with automation. You will oversee invoice processing, payments, and internal controls, guiding staff through month-end and year-end close with cross-functional partners.

Ideal candidates have 5+ years of AP leadership, hands-on Excel reporting, and proven capability to manage 300+ invoices weekly across entities.

Qualifications

• 5+ years leading AP in a multi-entity environment.
• Experience supervising 6+ staff in AP or related function.
• Proven track record handling 300+ invoices per week per company.
• Hands-on AP operations in multi-company settings.
• Workday Financials experience as functional lead or SME.
• Experience with ERP implementations, upgrades, or system conversions.
• Advanced Excel for reporting and data analysis.
• Strong bookkeeping knowledge and accounting principles.
• Detail-oriented with strong analytical and problem-solving skills.
• Ability to train, supervise, and develop staff in a fast-paced environment.

Responsibilities

• Oversee daily AP operations across multiple companies in a high-volume environment.
• Supervise, mentor, and develop AP staff to meet goals and quality standards.
• Oversee invoice processing, vendor payments, ACH, wires, and reimbursements.
• Ensure proper accounting methods, internal controls, and policy adherence.
• Provide training and professional development to AP team members.
• Review policies for efficiency and implement improvements.
• Identify automation opportunities including OCR and invoice automation.
• Assign projects and direct staff to ensure timely completion and reconciliations.
• Prepare management reports and key AP metrics.
• Support month-end and year-end closing activities and audits.
• Manage vendor setup and 1099 reporting compliance.

Skills

Leadership

AP Management

High-Volume AP

Data Analysis

Excel Proficiency

Cross-functional Collaboration

Attention to Detail

Education

BS in Accounting

Tools

Workday Financials

ERP systems

Excel

Database Tools

Job description

Job Description

Accounts Payable Supervisor

The Accounts Payable Supervisor oversees all daily AP operations across multiple companies, leading a high‑volume team and serving as the primary Workday Financials subject matter expert. This role manages invoice processing, vendor payments, and compliance activities while driving process improvements, automation, and strong internal controls. The AP Manager collaborates closely with Finance, Accounting, Operations, and IT to support system implementations and enhancements and ensures accurate, timely reporting and support for month‑end and year‑end close.

Responsibilities

• Manage, schedule, and oversee daily Accounts Payable operations across multiple companies in a high‑volume environment.
• Supervise, mentor, and develop AP staff, ensuring departmental goals, deadlines, and quality standards are consistently met.
• Oversee invoice processing, vendor payments, ACH transactions, wire transfers, and expense reimbursements for multiple entities.
• Work closely with AP staff to ensure proper accounting methods, strong internal controls, and adherence to company policies and procedures.
• Provide ongoing training and professional development opportunities to AP team members.
• Continually review accounts payable policies and procedures and recommend improvements to enhance efficiency and effectiveness.
• Analyze departmental workflows and identify opportunities for automation, including invoice automation and OCR processing solutions.
• Assign projects and direct staff to ensure compliance, accuracy, and timely completion of assignments, reconciliations, and reports.
• Prepare management reports, analyses, and key performance metrics related to accounts payable operations.
• Assist with month‑end and year‑end closing activities, including reconciliations, accruals, and support for audits and financial reporting requirements.
• Oversee vendor maintenance, including vendor setup and updates, and ensure accurate 1099 reporting and compliance with applicable federal, state, and local regulations.
• Serve as the Accounts Payable lead for Workday Financials, including testing, validation, issue resolution, process improvements, and user training.
• Partner with Finance, Accounting, Operations, and IT teams to support Workday implementation, ERP projects, upgrades, and future system enhancements.
• Ensure AP processes comply with multi‑state sales and use tax requirements, federal reporting standards, and internal control policies.
• Collaborate effectively with all levels of staff and management, fostering strong cross‑functional relationships.
• Use advanced Excel and data analysis skills to understand, analyze, and manipulate large volumes of AP data for reporting and decision‑making.
• Maintain exceptional attention to detail and accuracy in all AP transactions and reporting.
• Lead, supervise, and support a team of AP professionals, promoting a culture of accountability, continuous improvement, and customer service.

Essential Skills

• Proven work experience as an Accounts Payable Manager or similar AP leadership role for more than 5 years.
• Experience supervising 8 or more employees, with prior responsibility for managing at least 6 team members in AP or a related function.
• Demonstrated experience managing high‑volume Accounts Payable operations, including 300+ invoices per week per company in a multi‑entity environment.
• Hands‑on experience managing AP operations in a multi‑company or multi‑entity setting.
• Workday Financials experience required, including acting as a functional lead or subject matter expert.
• Experience with ERP systems and supporting implementations, upgrades, or system conversions.
• Advanced computer skills in Microsoft Office, particularly Excel, including strong knowledge of formulas, pivot tables, VLOOKUP, and reporting.
• Proficiency with accounting software, ERP systems, and database programs used for AP and financial reporting.
• Ability to understand, analyze, and manipulate large amounts of financial and transactional data.
• Proven knowledge of bookkeeping and accounting principles, practices, and standards relevant to Accounts Payable.
• Strong analytical, organizational, and problem‑solving skills.
• Exceptional attention to detail and accuracy in processing and reviewing financial transactions.
• Demonstrated ability to direct, supervise, mentor, and develop staff in a fast‑paced environment.
• Ability to work and interact effectively with all levels of staff and management, including cross‑functional departments.
• BS degree or higher in Accounting, Finance, or a closely r