Beverage Gwyn perhaps picked up for engineer (6)

I believe the answer is:

brunel

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'for engineer' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for brunel that I've seen before include "Engineer of Victorian Britain" , "Noted engineer" , "I. K. ---, designed Clifton Bridge" , "Clifton Bridge designer" , "British engineering family" .)

I've seen this clue in The Independent.

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