Location: Cambridge (CB25) Duration: Permanent Hours: 37 hour week, early finish on a Friday, (5-days in the office) Salary: £65,000-£85,000 depending on experience Job Reference: 35992 Polytec are looking for a Senior Hardware Engineer with experience designing ATEX / intrinsically safe products to support the development of next-generation, mission-critical communication systems for our Cambridge based client. This role is suited to a hands-on senior engineer who enjoys taking ownership of complex hardware features and working closely with cross-functional teams. You'll contribute to the design, development, testing, and certification of professional communication equipment and related accessories. Responsibilities * Design and develop hardware for ATEX-certified, intrinsically safe products * Contribute to baseband and microprocessor-based system design * Design efficient, low-power power supplies and supporting circuitry * Support design verification, EMC testing and regulatory compliance * Produce clear engineering documentation * Collaborate with engineers across hardware, software and verification teams Requirements * Degree in electronics or a related engineering discipline (or equivalent experience) * Proven experience designing products for ATEX environments * Strong understanding of intrinsic safety principles * Experience with microprocessor-based hardware and common interfaces * Good communica...