Senior Manager of Accounts Payable

About JSSI 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.  JSSI is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or other characteristic protected by law. JSSI does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or Recruiting Team.  country: US all locations: [Chicago, IL] commitment: Full-time department: Accounting location: Chicago, IL team: Accounts Payable Duties and Responsibilities:: Leadership & Team Management Lead, mentor, and develop the accounts payable team Set performance goals and monitor team productivity Foster a culture of accountability and continuous improvement Accounts Payable Operations 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 Process Improvement & Automation Identify and implement process improvements to increase efficiency Drive automation initiatives (e.g., invoice scanning, ERP enhancements) Optimize workflows and reduce manual processing Reporting & Analysis Prepare reports for senior leadership, as requested Analyze trends and recommend improvements Cross-Functional Collaboration Partner with accounting, finance, and operations teams Support month-end and year-end closing processes Align AP practices with broader financial strategy Desired Credentials:: 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.