Selin Gran

From FEInfobase

"The first Chief Engineer on the prototype Defiant-class starship was a man named Miles O'Brien, who said that the ship was a finely-tuned device that had more power than its size allowed, and would, with the slightest bit of inattention from her engineers, shake herself apart. Chimera is much the same, except that every single problem is multiplied by a factor of 3. No one becomes an engineer on a Prometheus without first working on a Defiant, because that's the only way one can possibly be ready."

-Selin Gran