Ken, trier, somehow he’s making adjustments (8)

I believe the answer is:

tinkerer

'he's making adjustments' is the definition.
(tinker can mean to adjust something)

'ken trier somehow' is the wordplay.
'somehow' is an anagram indicator.
'ken'+'trier'='kentrier'
'kentrier' is an anagram of 'TINKERER'.

I've seen this clue in The Times.

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