About Shield AI Shield AI develops AI-powered autonomy software and aircraft systems that protect service members and civilians by enabling intelligent operations in contested environments. As part of the X-BAT program, you will help develop and validate next-generation autonomous aircraft and mission-critical hardware that must perform reliably in demanding operational conditions. Job Description: Shield AI is seeking a Senior Mechanical Engineer to join the Hardware Test organization supporting the X-BAT platform. In this role, you will design, develop, and deploy mechanical test infrastructure used to validate aircraft subsystems, avionics, propulsion components, payloads, power systems, and mission hardware throughout the product lifecycle. You will work closely with Hardware Test, Design Engineering, Manufacturing, and Reliability teams to develop robust laboratory and field-deployable test systems that accelerate hardware development, improve reliability, and increase confidenc