Isambard Kingdom Brunel, for instance (5,8)
I believe the answer is:
civil engineer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">isambard kingdom brunel for instance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for civil engineer that I've seen before include "Brunel, e.g." , "Eg, road or bridge designer" .)