What happens when life support goes down? Or even worse: when the lights go out? Panic ensues in everyone except the Technicians. Those folks are in their cargo bay shaking their heads and cursing up and down that someone should have paid to replace that faulty energy cell they warned about six weeks ago.
Technicians keep the ship running. They also keep everyone’s equipment fully functional and tricked out with the latest upgrades. No one will know how you did it, but they’ll be glad you did.