Some of what you'll be doing:
As an Accounts Payable Supervisor, you will lead the Supplier team with a primary focus on protecting the organization from significant financial and compliance risks through rigorous controls in supplier onboarding, banking validation, and tax reporting. You will also maintain the integrity of the vendor master file, eliminate fraud risk and unauthorized activity, and ensure secure, accurate accounts payable operations enterprise-wide.
You will oversee end-to-end supplier onboarding, including collection and verification of required documentation and ensure accurate creation and maintenance of supplier profiles in PeopleSoft, including 1099 tax classification.
You will supervise secure collection and verification of banking information using multi-layered authentication to prevent fraud and ensure secure payments. You will also design and enforce internal controls to prevent fraudulent vendor creation and unauthorized changes.
You will conduct periodic audits and reconciliations, escalate discrepancies, and drive resolution. You will also monitor and report suspicious banking activity and collaborate with Central Procurement and Treasury to ensure compliance with company policies.
You will supervise, train, and develop Accounts Payable (AP) staff and meet with direct reports to identify and resolve problems and guide and assist AP team in resolving issues that prevent or delay invoice payments.
You will provide support to the AP team by assisting Accounts Payable Manager with reviewing and approving payment run, resolving match exceptions, document tolerance, and budget review, as well as resolving unposted vouchers, reviewing the aging report, and coordinating payment cancellations due to returned ACH and escheatment.
You will perform quarterly audit to review tax classification for suppliers and perform TIN matching to validate tax ID. You will be responsible for the end-to-end process of year-end 1099 information review, tax statements generation, and IRS filing.
You will serve as the primary escalation point and operational liaison for Accounts Payable Manager, ensuring continuity and responsiveness in high-volume, deadline-driven environments. You will also provide functional support to internal Module Lead to resolve system issues, test during upgrades, and assist with necessary training in the field.
You will work in partnership with Accounts Payable Leadership and Business Technology team on issue resolution, enhancements, and system upgrades related to AP processing, workflow management, Travel & Expense, and supplier management system.
Who you are:
Experienced - You have three (3) years of Experience in accounts payable operations and systems including supplier management, accounts payable, 1099 tax reporting, and/or general accounting, to include one (1) year of supervisory, mentoring, or project leadership experience within a financial or accounting setting.
Desired - We hope you have a bachelor's degree in finance, accounting, economics or business administration; certifications related to accounts payable, supplier management, or 1099 reporting, advanced knowledge of accounts payable and/or supplier lifecycle management and ERP systems such as PeopleSoft, SAP, and Oracle and expertise in public sector accounting, internal controls, disbursement policies, and 1099/use tax reporting
Committed to Equity - You will apply equity and exemplify shared values, behaviors, and practices in all aspects of the work. At the Port of Seattle, equity is a daily responsibility and a foundational expectation for all Port employees.
Proficient -. You have strong experience in fraud prevention, system audits, and process documentation. You also have experience supervising staff, including training, performance management, and coaching.
Efficient Communicator - You possess strong verbal and written communication skills with the ability to clearly convey financial and procedural information to both technical and non-technical audiences. You can also build and maintain collaborative relationships with internal departments and external vendors.
Analytical Leader - You have excellent analytical and problem-solving skills with a focus on accuracy, process improvement, and risk mitigation. You can build, support, and lead a high-performing team in a dynamic, compliance-driven environment.
Highly Organized - You possess strong organizational and time management skills and can prioritize multiple tasks and meet deadlines in a high-volume environment.
Technically Skilled - You are proficient in Microsoft Office Suite, especially Excel and Outlook, with the ability to generate, analyze, and present data to support decision-making.
What else you need to know:
Work Schedule - Your normal work schedule will be Monday - Friday, 8:00 a.m. to 5:00 p.m. (40 hours per week). Slightly more flexible start and end times are available in this role. Occasional work during emergencies or peak workload periods, including fiscal and calendar year-end, may be required.
Work Environment - This work will take place in a hybrid/in-office setting at Management's discretion.
Washington State Residency Requirement - Employees must establish a residence in Washington state within 30 days of their first day of employment and must maintain a residence in Washington State during their employment with the Port of Seattle. If a position is eligible to telework, work performed while teleworking must be performed in Washington State.
Why you'll love it here:
The Port of Seattle offers an extensive benefits package that rewards our staff for their valuable contributions towards the Port's mission. In addition to the summary below, benefit details for non-represented positions can be found on the Port of Seattle's website. If the position is represented by a union, please refer to the " Collective Bargaining Agreement " or contact the appropriate Union Representative for specific information related to benefits and eligibility.
Healthcare - Medical, Dental, and Vision Care with options that work for you and your family.
Paid Vacation - Just about four weeks per year that increases with tenure to rest and rejuvenate.
Paid Sick Leave - At least one hour of sick leave for every 40 hours worked.
Holidays - More than ten days per year to celebrate with family and friends away from work.
Pension/Retirement Plans - A pension and additional savings plans to prepare for your future after the Port.
Getting to Work - From subsidized parking and a low-cost public transit card to alternative work arrangements giving you an opportunity to work hybrid.
Parental Leave - Six weeks of paid leave to spend with new additions to your immediate family.
Development - From tuition reimbursement, training, stretch assignments and internal internships, we support a learning culture.
Equity, Diversity, and Inclusion - The Port of Seattle values diversity as a source of innovation and strength. We are actively working across the organization to create a culture where all employees - regardless of race, gender, and other identities - succeed and reach their fullest potential.
Work-Life Balance - We provide the resources to help you create habits to be healthy and balanced.
Mission Driven - We are focused together in promoting economic opportunities and quality of life in the region by advancing trade, travel, commerce, and job creation in an equitable, accountable, and environmentally responsible manner.
Why the Port of Seattle:
Every role at the Port of Seattle is vital to our thriving community. We are a leader in moving people and cargo across the country and around the world. With facilities and property ranging in scope from a half-acre park to one of the largest airports and container terminals on the West Coast, we maximize the public assets in our portfolio with an eye toward best uses and environmental sustainability. Find out more here .
Our vision is to create a Port that mirrors - throughout its breadth of operations and services and within its leadership - the diversity of our communities, instill principles of equity into its culture, and ensures a fair and intentional distribution of opportunities to expand economic develop and quality of life for all in our region. Find out more about how our values RAISE us up and our commitment to equity .
Location: Downtown Seattle
Organization: AFR Disbursements
Employee Status: Regular
Schedule: Full-time
Posting Expires: Jan 16, 2026, 11:59:00 PM
Minimum Salary: 107,693.00
Midpoint Salary: 145,702.00
Req ID: 003894
The Port of Seattle is an equal opportunity employer that values diverse perspectives and life experiences. We encourage people of all backgrounds to apply, knowing decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex (including pregnancy), sexual orientation, gender identity or expression, national origin, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law, regulations and ordinances. To help comply with all state and federal requirements, we appreciate you voluntarily answering the questions below. The information on this form will be kept confidential. Click https://www.portseattle.org/page/ethnicity-definitions for definitions and descriptions of the categories referenced below regarding Ethnicity and Race. Click https://www.portseattle.org/page/vevraa-information for information and definitions of the categories referenced below regarding Protected Veterans status.
