My professional work (aerospace R&D) was on the borderline between science and engineering. However, I consider my modeling work as art.
My local art museum has a beautiful, large model of the USS Constitution. If the art museum considers models as art, who am I to argue :-) I consider models a branch of scupture.
I have liberal friends who believe no engineer can be an artist. They believe all technical people are mindless drones with no creativity. However, my second hobby is photography. I often enter salons, and have done well. The judges have no idea what my training or job was, so I think a person can indeed be both an engineer and artist.