Mechanic
A mechanic was someone who maintained and repaired machines and other mechanical devices. Such individuals were said to have mechanical aptitude.

In the mirror universe in the year 2256, an Andorian mechanic was working on a ground vehicle on the surface of Harlak. ()

In an alternate 1944, Carmine, who had a gunshot wound; told Alicia Travers that a man named Nicky Giorgo treated his injury. She noted that he didn't do that good of a job, but Carmine told her that was to be expected as he told her that "he's a mechanic", rather than a surgeon. ()

While under the influence of the pod plants on Omicron Ceti III, Omicron colony leader, Elias Sandoval, told Doctor Leonard McCoy that "I'll assign you whatever work I think suitable." McCoy responded that "you'd better make me a mechanic. Then I can treat little tin gods like you," before ing Sandoval. ()

That was, however, the only time McCoy ever desired to be a mechanic. The following year, when Captain James T. Kirk asked in the Doctor was familiar with the concept of a "doomsday machine", McCoy pointed out that he did not, explaining, "I'm a doctor, not a mechanic." () 

Later, in 2269, when McCoy, Kirk and Spock were held prisoner by the Vians, but held in their possession a Vian control unit, Spock began investigating the device in order understand its operating principles. When Spock assumed that he would be next to go with the Vians, he explained to McCoy that he had recorded his principles and theories on the tricorder, explaining that there was sufficient data there for he and the Captain to complete the necessary adjustments to make it work. McCoy's response, was, however that "I'm not a mechanic. I couldn't get that thing to work no matter how many notes you left." Spock concurred, adding, "but you and the captain together will be able to do so." () 

When Elaan became disinterested in the way  ran, she explained how she considered engines to be the domain of "mechanics and menials". ()

Quark, acting as a promoter, referred to Miles O'Brien as "The Mechanic" prior to his racquetball match against Julian Bashir in 2370. () 

Later when Jadzia Dax was sent to repair the replicators in Quark's, as she owed Nog a favor, Quark was disgusted by the thought of what she was doing, stating, "but that's work for a mechanic, a repairman, a lowly engineer." Dax retorted that "I'll tell Chief O'Brien you said that.''" ()

In 2374, Tom Paris explained the term "grease monkey" to  as being mechanic lingo. ()

External links
 
 
Occupations