"He will apply Formula 1 techniques to revolutionize servicing mainstream cars," Musk tweeted.
Handkammer's resumé includes 25 years in F1, including 13 F1 world championships and 97 race wins. He is the former chief mechanic for Red Bull Racing.
His task is to provide a top-drawer experience to Tesla buyers who bring their electric cars in for routine servicing. Tesla has not provided details on how the service experience will change for its customers.
The Model X is due out later this year. It joins the Tesla Model S sedan in the company's vehicle lineup.
This represents a 55 percent increase over the first quarter of 2014.
Edmunds says: Service appointments may feel more like a pit stop to Tesla buyers in the near future.