The most common and most likely answer to this crossword clue is the 6 letter word BYPASS
I've seen this crossword clue in Financial Times
B
Y
P
A
S
S
More clues leading to the result BYPASS
- Go round and reportedly fork out for permit
- Times Secretary’s singular skirt
- Way to get round heart surgery?
- Male singer, interrupted by variable piano, finding an easier way?
- Roundabout way Times gets free access?
- Ignore past and go
- Work in theatre alongside father and sons
- Reportedly purchase permit to get around city
- Go over someone’s head, being close to exam success
- Go over someone’s head, being close to exam result
Buddy explains!

The straight part
We know that "Work in theatre" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case work in theatre = bypass.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 BYPASS mean?
BYPASS noun- A road that passes around something, such as a residential area
- A circumvention
- A section of pipe that conducts a fluid around some other fixture
- An electrical shunt
- An alternative passage created to divert a bodily fluid around a damaged organ; the surgical procedure to construct such a bypass
- To avoid an obstacle etc, by constructing or using a bypass
- To ignore the usual channels or procedures