Depends.

I had alot of fun with a medical charceter in a fairly combat ordinated one, ans someone else was so what a technical engineer. 

It can work, just needs right balence and being more of can fight. Just not be helpless but the primary skill can be a non combat. Also not outnumber the combatants. 

Some of our most fun quests involved not completely direct solutions and required combat but also to use those with other skills just than blowing up the door or stabbing someone. 

Right details, right situations and plots that allow options for other skills to be used.