Knowledge of force, torque, speed, acceleration, and similar mechanical calculations, troubleshooting test fixture operations, knowledge of fabrication processes including: sheet metal bending, welding, machining (mill, lathe, and multi-axis), fastener selection, casting, painting, etc. Design of lab fixtures including, but not limited to: roll-drum dynamometers, component loading fixtures, component holding for static environmental evaluations, machine safety test apparatus, and accelerated life fixtures.