Contrive, bring about (8)
I believe the answer is:
engineer
This clue is a double definition.
'contrive' is the first definition.
(I've seen this in another clue)
'bring about' is the second definition.
(I've seen this before)
(Other definitions for engineer that I've seen before include "One who designs/builds" , "Arrange - contrive" , "Plot" , "Applied technologist" , "Cleverly bring about" .)