The Aircraft Mechanic II - Avionics position at Vertex Aerospace LLC involves performing maintenance, inspection, and repair of aircraft electrical and avionics systems, specifically for the CH-53 aircraft. The role requires advanced technical knowledge to troubleshoot complex systems, provide guidance to other employees, and ensure compliance with safety and security standards. The mechanic will also be responsible for maintaining cleanliness in the work area and handling hazardous materials according to company policies.