I am a Quality Engineering Supervisor at the General Motors Milford Proving Grounds. I get to manage a group of RedX Engineers, who use RedX principles of customer concern focus, strategy, and contrast to work on GM's toughest quality issues. My team focuses on any electrical, chassis, or HVAC issue that could occur on a vehicle from pre-production through end of vehicle life.
Most of my engineers (and myself) are RedX Masters and typically have some type of Bachelors and/or Masters Degree in Mechanical and/or Electrical Engineering. Or, just a whole bunch of experience and knowledge of vehicle systems.
Here is a cool commercial Chevrolet had made to highlight the work of our group back in 2010. This is the shorter version. It features my boss and most of my co-workers and employees. Unfortunately, I was in Atlanta at the time...doing something else that was way more worth it...
http://www.youtube.com/watch?v=dGe9zkyZT_Q
After 10 years at GM, this is by far one of the coolest jobs here.