The most common and most likely answer to this crossword clue is the 5 letter word CHEFS
I've seen this crossword clue in The Guardian
C
H
E
F
S
Buddy explains!
The straight part
We know that "job in kitchen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case job in kitchen = chefs.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CHEFS mean?
CHEFS noun- The presiding cook in the kitchen of a large household.
- The head cook of a restaurant or other establishment.
- Any cook.
- One who manufactures illegal drugs; a cook.
- A reliquary in the shape of a head.