Kforce's client is seeking a Senior Hardware Engineer (TEMPEST) in Tempe, AZ (relocation assistance available). Summary: You will play a key role in developing high-assurance encryption products that protect sensitive information across space, tactical, and enterprise environments. In this role, your expertise will directly support national security and strengthen global communications resilience. Highlights include: * Lead the design, testing, and certification of TEMPEST-compliant systems from concept through production * Collaborate with hardware, mechanical, and systems engineers to deliver secure, reliable solutions * Take a hands-on approach, bringing prototypes to life and seeing your work make a real-world impact * Contribute to a company shaping the future of secure communications * Join a team of experts passionate about solving the toughest technical challenges