Robert Hazlehurst is a former employee at Bell Helicopter in Ft. Worth, Texas. During his time with Bell Helicopter, Roberts specialized as a Flight Test Engineer. 

Flight test Engineers generally have the overall responsibility for planning specific flight test, which includes preparing test plans in conjunction with other analytics. In addition, they oversee the buildup of the aircraft to proper configuration while working with flight test instruments and system engineers. 

Flight Test Engineers also work with Instrumentation Engineers to ensure the sensors and recording systems are installed for the required data paraments, while also preparing the maneuver by maneuver plan for each test flight. 

During his time at Bell Helicopter, Robert worked on projects that included the Bell AH-1 Cobra, the Huey Helicopter, and the V-22 Osprey.

https://www.bellflight.com/

https://en.wikipedia.org/wiki/Flight_test_engineer

https://en.m.wikipedia.org/wiki/Bell_AH-1_Cobra