Gigamon is looking for a senior principal Hardware Engineer to design, bring up, and validate board-level circuits and manage JDM/ODM/OEM projects. The role involves working in a fast-paced environment and collaborating with a dynamic team. Responsibilities include defining system design specifications, creating HW functional specifications, designing digital circuits, working with mechanical engineering, understanding optical communication technologies, designing new products, selecting and qualifying components, supporting prototype builds, and coordinating environmental and compliance testing. The candidate will be responsible for the design of new products as well as the support of existing products. In addition to this, they will also need to organize and prioritize responsibilities effectively to meet deadlines.