Ap Supervisor Jobs in Washington (NOW HIRING)

Accounts Payable Supervisor 

Job Description

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 related field.

Additional Skills & Qualifications

• Experience with Workday Financials implementations or serving as the AP lead during ERP rollouts.
• Implementation experience with ERP systems or similar large-scale financial software solutions.
• Familiarity with invoice automation tools and OCR processing systems.
• Knowledge of multi-state sales and use tax requirements and related compliance obligations.
• Knowledge of federal reporting requirements and 1099 compliance processes.
• Ability to prepare and interpret management reports, analyses, and key performance metrics.
• Experience supporting audits and financial reporting requirements during month-end and year-end close.
• Comfort working in a privately held, family-owned business environment that is expanding and growing across the United States.
• Interest in contributing to process improvement initiatives and automation projects within the AP function.
• Strong communication skills to provide user training and support for Workday Financials and AP-related systems.

Work Environment

This is a onsite position working on a first-shift schedule. Standard hours are approximately 8:00 a.m. to 5:00 p.m., with flexibility to start between 7:00 a.m. and 9:00 a.m., provided the chosen start time remains consistent each day and an eight-hour workday is maintained.

This is a Contract to Hire position based out of Bethesda, MD.

The pay range for this position is $38.47 - $48.08/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Bethesda,MD.

This position is anticipated to close on Aug 10, 2026.

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.