engineers who are good communicators are rare, you can talk engineer to the engineers and English to the sales guys and make one hell of an awesome product
If you like travel and learning languages why don´t you get yourself a job with an NGO in a third world country? They are always searching for engineers and its a chance to make real lasting change for a community much less fortunate than ours in the west
if you´re interested i can talk to an Engineer friend who just finished constructing a Dam in India for advice on where to look...