Senior Manager of Accounts Payable

Jet Support Services•Chicago, IL

23h

About The Position

Founded in 1989 and headquartered in Chicago, Jet Support Services, Inc. (JSSI) is the largest independent provider of hourly cost maintenance programs for business aviation. JSSI delivers comprehensive coverage for engines, airframes, and auxiliary power units (APUs) across more than 300 different aircraft makes and models, helping owners and operators stabilize maintenance budgets, maximize aircraft availability, and protect asset value throughout the lifecycle of ownership. JSSI has built a portfolio of complementary business lines designed to simplify the economic and technical complexity of business aviation; these include Maintenance teams , Traxxall maintenance tracking software, Parts & Engines , Conklin aircraft cost and performance data, and Aviation Capital asset-based financing solutions. Together, these offerings support owners, operators, and maintenance providers with integrated tools spanning ownership and maintenance planning, execution, and financial management. With more than 6,500 aircraft supported through programs and software platforms, JSSI leverages its unique independence, unmatched scale, and data-driven insight to deliver customized solutions and support models aligned to the interests of each client — regardless of aircraft platform. JSSI is backed by leading institutional investors GTCR, Genstar Capital, and Blackstone. Learn more at jetsupport.com. The Senior Manager, Accounts Payable leads the end‑to‑end accounts payable function, ensuring accurate, timely, and compliant processing while continuously advancing efficiency, automation, and internal controls. This role is responsible for building and developing a high‑performing AP team, strengthening vendor partnerships, and modernizing processes to support scale and financial integrity. Serving as a key partner across Finance, Procurement, and Operations, the Senior Manager plays a critical role in month‑end close, audit readiness, and aligning AP practices with the organization’s broader financial strategy.

Requirements

Bachelor's degree in accounting, business administration, finance or a related field.
Proficiency in Microsoft Excel (pivot tables, formulas, data visualization).
Strong analytical and problem-solving skills.
Excellent verbal and written communication skills.
Strong team leadership
Ability to work collaboratively with various teams and departments.
Detail-oriented with strong organizational skills.

Responsibilities

Lead, mentor, and develop the accounts payable team
Set performance goals and monitor team productivity
Foster a culture of accountability and continuous improvement
Oversee end-to-end AP processes including invoice processing, approvals, and payments
Ensure timely and accurate payment of vendor invoices
Manage vendor relationships and resolve escalated issues
Ensure compliance with company policies and accounting standards
Administration of the company’s travel and purchasing cards
Manage the company’s relationship with Concur and the expense reporting process
Identify and implement process improvements to increase efficiency
Drive automation initiatives (e.g., invoice scanning, ERP enhancements)
Optimize workflows and reduce manual processing
Prepare reports for senior leadership, as requested
Analyze trends and recommend improvements
Partner with accounting, finance, and operations teams
Support month-end and year-end closing processes
Align AP practices with broader financial strategy