Tax Senior Associate

Company: Jet Support Services
Location: Chicago
Posted on: April 1, 2026

Job Description:

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 . Position Summary: JSSI is looking to add a Tax Senior Associate to its global tax function to support the company’s rapidly evolving and dynamic business. This role will focus on tax compliance, reporting, and planning matters while partnering closely with Finance, Accounting, and external advisors. The ideal candidate brings strong technical tax knowledge, attention to detail, and the ability to operate effectively in a growing, complex, multinational organization. This is an exciting opportunity for someone looking to help solve complex tax issues, collaborate with diverse teams, and contribute to an organization with ambitious goals. We are open when it comes to the start date. Duties and Responsibilities: Work with outside tax advisors on U.S. federal, state and local, and international income tax compliance for both flow-through and C-corporation legal entities. Assist in preparation of the year-end income tax provision under ASC 740. Prepare tax account reconciliations for income tax and indirect tax accounts. Assist with certain special projects including but not limited to the company’s annual R&D credit, UNICAP, interest expense capitalization, GILTI, and BEAT. Support indirect tax workstreams, including liaising with external providers who prepare the indirect tax returns. Investigate and address queries and notices from tax authorities. Initiate and assist in the implementation of departmental process improvements, including the use of tax technology and automation tools. Assist with the tax implications of mergers, acquisitions, and internal reorganizations. Identify and assist with tax planning opportunities. Qualifications: Bachelor’s degree in Accounting, Finance, or related field. CPA or progress toward CPA. Minimum of 2 years of progressive tax experience in public accounting and/or an industry role with a large multinational company. Familiarity with U.S. federal and state income tax compliance and reporting for C corporations and pass-through entities. Year-end income tax provision experience (ASC 740). Strong Excel skills. Ability to manage multiple deadlines in a fast-paced environment. Strong analytical, organizational, and communication skills. Preferred Qualifications: Experience with multinational companies and international tax concepts. Hands-on experience with tax provision and data management software (e.g. OneSource, Alteryx, or similar tools). Knowledge of indirect taxes related to global operations (e.g. VAT, GST, sales/use tax). Ability to extract, validate, and reconcile tax data from ERP and financial systems. Exposure to tax issues related to M&A transactions. Experience working on tax planning initiatives. History of researching and analyzing tax technical issues and documenting the conclusions. At JSSI, we are committed to rewarding our team members with competitive and comprehensive compensation packages that reflect their contributions and talent. For this role, the annual base pay generally ranges from $85,000 to $95,000, with the final offer determined by variable factors including but not limited to market location, job-specific knowledge, skills, education, and experience. In addition, your total rewards package may include an annual discretionary bonus plan, incentive or sales bonus plan, or other form of additional compensation, based on your role. Additionally, for full-time employees based in the USA, Canada, or the Philippines, we are proud to offer a robust suite of benefits. This ranges from insurance offerings such as medical, dental, vision, retirement savings programs, among others, starting day one of employment. For a full overview of our offerings, visit the JSSI Benefits Page on our company website. 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.

Keywords: Jet Support Services, Kenosha , Tax Senior Associate, Accounting, Auditing , Chicago, Wisconsin