Bechtel Corp., one of the world’s largest engineering, construction and project management companies, will relocate 700 jobs to Fairfax County, Virginia, from its Frederick, Maryland, operation as a result of global restructuring. The company will invest $10 million in the Fairfax County location as a result of the move. Bechtel will lease up to 175,000 square feet in the Reston area of Fairfax County for the expansion. Its corporate headquarters…