Power pole repairer's a bush road bloke (7)
I believe the answer is:
lineman
'power pole repairer's a bush' is the definition.
I can't judge whether this defines the answer.
'road bloke' is the wordplay.
'road' becomes 'line' (line is a kind of road).
'bloke' becomes 'man' (informal term for a man).
'line'+'man'='LINEMAN'
Can you help me to learn more?
(Other definitions for lineman that I've seen before include "Railway track worker" , "rail worker" , "American footballer" .)