JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force, Space Force, and Navy under the Joint Range Technical Services Contract, better known as J-Tech II. JT4 develops and maintains realistic, integrated test and training environments and prepares our nation's war-fighting aircraft, weapons systems, and aircrews for today's missions and tomorrow's global challenges. JOB SUMMARY - ESSENTIAL FUNCTIONS/ JOB DUTIES The Senior Structures Integration Engineer is responsible for supporting airworthiness, structural integration, and limited T2 engineering activities across multiple airborne platforms including rotary-wing, fixed-wing, ISR, and specialized mission aircraft. This position provides independent technical assessment, peer review, limited integration-level engineering support, and airworthiness risk evaluation for aircraft structural modifications, sustainment actions, external stores integration, instrumentation installations, an...