Sound technician, perhaps, sees point behind foreign airline boom (6,9)

I believe the answer is:

marine biologist

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'sound technician perhaps' is the definition.
I can't tell whether this defines the answer.

'point behind foreign airline boom' is the wordplay.
'point' becomes 'gist' (I've seen this in another clue).
'behind' is a charade indicator (letters next to each other).
'foreign' indicates anagramming the letters (foreign order of the letters).
'airline'+'boom'='airlineboom'
'airlineboom' is an anagram of 'marinebiolo'.
'gist' put after 'marinebiolo' is 'MARINE BIOLOGIST'.

'sees' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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