Kforce has a client that is searching for a Hardware Engineer - Circuit Card Design in Marlborough, MA. Summary: Our client is seeking a Senior Hardware Design Engineer to join a talented, collaborative team developing secure communications technology used worldwide. In this role, you will design, prototype, and test high-speed digital circuit boards that power advanced encrypted communications systems. You will leverage modeling, simulation, schematic capture, and signal integrity tools while working closely with cross-functional teams to ensure seamless system integration.