Job Title: Interim Accounts Payable Manager
Job Description
The Interim Accounts Payable Manager (18 month contract) leads day-to-day Accounts Payable operations during a contract assignment, ensuring uninterrupted AP functions, timely and accurate invoice processing, and compliant supplier payments. This role combines hands-on management with operational leadership, overseeing the full invoice lifecycle from intake and validation through coding, approvals, payment processing, supplier support, and issue resolution. The manager partners closely with internal business groups to maintain service levels, mitigate operational risks, support month-end close activities, and identify opportunities to improve efficiency and process consistency.
Responsibilities
Lead and manage daily Accounts Payable operations to ensure continuous, accurate, and timely processing of all invoices and payments.
Oversee the full invoice lifecycle, including intake, validation, coding, routing for approvals, payment execution, and post-payment review.
Ensure accurate and timely supplier payments in line with company policies, contractual terms, and internal financial controls.
Provide hands-on leadership and direction to the AP team, setting clear priorities, monitoring workloads, and ensuring service levels are met.
Partner with Accounting, Supply Chain, Treasury, Procurement, and operational stakeholders to resolve issues and maintain strong cross-functional relationships.
Maintain compliance with internal financial controls, company policies, and AP best practices for both PO and non-PO invoice workflows.
Support and coordinate activities related to month-end close, including reconciliations, accruals, and AP reporting as needed.
Provide audit support by preparing documentation, responding to inquiries, and ensuring AP records are accurate, complete, and audit-ready.
Monitor high-volume transaction processing to ensure accuracy, consistency, and adherence to established timelines.
Identify and drive opportunities to improve AP processes, enhance efficiency, and increase standardization across workflows.
Assist with or lead initiatives related to process improvement, automation, and ERP system optimization or implementation.
Assess existing AP processes quickly upon engagement, establish priorities, and implement short-term stabilization measures where needed.
Respond to supplier inquiries and provide support to internal stakeholders to resolve discrepancies, disputes, or payment issues.
Ensure proper use and configuration of ERP systems for AP activities, including invoice processing, approvals, and payment runs.
Track and report key AP metrics and performance indicators to highlight trends, risks, and improvement opportunities.
Essential Skills
5+ years of progressive Accounts Payable experience, including supervisory or management responsibilities.
Proven experience managing high-volume invoice processing environments.
Strong understanding of Accounts Payable best practices, including PO and non-PO invoice workflows, supplier management, and payment processing.
Hands-on experience working with ERP systems such as Oracle, SAP, or similar financial platforms.
Demonstrated leadership, coaching, and team management abilities in an AP or finance setting.
Strong organizational skills with the ability to manage multiple priorities and meet critical deadlines.
Solid analytical and problem-solving capabilities applied to financial operations and transaction processing.
Effective written and verbal communication skills for interacting with internal stakeholders and external suppliers.
Experience supporting audits, reconciliations, and month-end close processes within an AP function.
Additional Skills & Qualifications
Preferred experience within airline, aviation, transportation, or other complex operational environments.
Experience with process improvement initiatives focused on efficiency, standardization, and control enhancement.
Exposure to or involvement in automation projects related to Accounts Payable or financial operations.
Experience with ERP implementations or major ERP upgrades, particularly in AP modules or related workflows.
Background in shared services environments supporting centralized finance or AP operations.
Work Environment
This role operates in a fast-paced corporate environment that supports critical Accounts Payable operations and high-volume transaction processing. The position requires regular, collaborative interaction with teams such as Accounting, Supply Chain, Treasury, Procurement, and other operational stakeholders. Success in this environment depends on strong attention to detail, accuracy, and time management to handle large volumes of invoices and payments. As an interim leadership role, it demands the ability to quickly assess existing processes, establish clear priorities, and provide operational stability. The position is onsite only, requiring a consistent presence in the office to effectively lead the AP team and coordinate with cross-functional partners.
Job Type & Location
This is a Contract position based out of Seatac, WA.
Pay and Benefits
The pay range for this position is $52.00 - $80.00/hr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.
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)
Job Type & Location
This is a Contract position based out of Seatac, WA.
Application Deadline
This position is anticipated to close on Nov 23, 2026.
Workplace Type
This is a fully onsite position in Seatac,WA.
About Aston Carter
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 (%20astoncarteraccommodation@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.
