Senior Technical Support Specialist

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. Essential Duties and Responsibilities: · Promptly respond to and resolve tier 1, 2, and 3 end user support requests and log activity in the ticketing system. · Install, configure, test, maintain, and troubleshoot workstations, peripherals, and networking devices such as firewalls, routers, and switches. · Follow detailed employee onboarding and offboarding procedures, provisioning and deprovisioning accounts and system access in a timely manner. · Provide after-hours on-call support as required. · Maintain hardware and software inventories and ensure Azure Active Directory, on-premises Active Directory, and Intune are kept up to date. · Set up A/V equipment and video conferencing software and support live meetings. · Procure IT hardware and software application licenses. · Monitor and respond to security alerts taking remedial action as necessary. · Create and maintain technical user guides and IT procedures. · Serve as project lead or technical resource for a variety of IT projects. · Perform other responsibilities and tasks as assigned.