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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 The Technical Advisor serves as the primary point of contact between the Client and the maintenance organization for both airframe and engine matters, acting as a trusted technical representative throughout the lifecycle of aircraft maintenance events. This role manages and coordinates client needs across routine maintenance, minor unscheduled findings, major scheduled inspections, and Aircraft on Ground (AOG) situations — for airframes, engines, and related systems — utilizing Product Line Specialists (PLS) as needed to support events requiring specialized assistance. As the customer's key technical liaison, the Technical Advisor acts as an advocate for the Client and provides expert guidance to support informed decision-making, balancing airworthiness, operational impact, cost control, and schedule adherence.