AAR Corp. (NYSE: AIR) is a global aerospace and defense aftermarket solutions company that employs more than 6,000 people across over 60 sites in over 20 countries. Headquartered in the Chicago, Illinois area, AAR supports commercial and government customers in more than 100 countries through four operating segments: Parts Supply, Integrated Solutions, Repair and Engineering and Expeditionary Services. AAR's purpose is to empower people to build innovative aerospace solutions today so you can safely reach your destination tomorrow. The company's mission is to go above and beyond to provide value-driven aerospace aftermarket solutions to meet the evolving needs of our customers worldwide. AAR constantly searches for the right thing to do for its customers, employees, partners and for society. As the Senior HR Director, you will serve as a critical business partner to the executive leadership of Component Services and Trax, shaping the company's people strategy and building a thriving workplace. You'll bring both robust expertise and creative vision to all HR functions, leading with energy, integrity, and a results-focused mindset. If you're passionate about empowering teams and delivering best-in-class HR solutions, this is your moment to shine.