Lieutenant Tightass
Novelette 12,872 words Recommended by 4 award/anthology sources
Coop is eager to make a difference in his first mission as a new lieutenant on a search-and-rescue ship, but the rest of the crew doesn’t seem to work very hard or care very much, and they definitely don’t appreciate his meddling.
Quasar links out; the story lives on Asimov's, where the author gets the click.