Description Leidos Gibbs & Cox, is the largest independent naval architecture and marine engineering firm in the United States. Since our founding in 1929, 24 classes of combatants and nearly 7,000 vessels have been built to Gibbs & Cox designs. We proudly support military and commercial clients in the U.S. and internationally with all phases of marine design, construction, and lifecycle management. Our passion is solving our customers' 21st century maritime challenges with quality and integrity