Cores Administrator

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.

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.

Key Responsibilities: •

• Generate and analyze open-core reports using AvSight and Salesforce.

• Track vendor core returns through vendor web portals , following up to avoid vendor late fees.

• Prepare core return documentation

• Follow up with internal and external customers to ensure timely returns or cores and RMA (Returned Material Authorization) units.

• Partner with the Sales and Accounting teams to bill late or non-returned cores.

• Maintain accurate, up-to-date notes and status records within relevant systems.

• Ensure all transactions are properly closed out in AvSight and Salesforce and in the vendor portals.

• Provide regular status updates to management on core activity

• Identify and implement process improvements to strengthen core return operations.

• Bill out late fees and unreturned core fees to customers.

• Perform root cause analysis and trend analysis on late core returns.

• Manage follow-up on warranty requests and RMAs .

• Serve as backup to the Repair Coordinator, including:

• Creating repair orders for stock items

• Following up on open repairs

• Reviewing vendor quotes

• Travel domestically as needed (approximately 10–15 days annually)

• Perform other duties as assigned

Required Qualifications • Minimum of 2 years of experience in the aviation industry

• Strong organizational and time-management skills

• Proficiency in Microsoft Excel

• Excellent customer communication skills

• Bachelor's degree in Aviation, Engineering, or a related field

• Familiarity with AvSight

• Experience within business aviation

• Working knowledge of airframe and powerplant systems

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.