Senior Electronics Engineer

Job description

Date Posted: 2026-09-16 Country: United Kingdom Location: Harlow, Essex Position Role Type: Onsite Senior Electronics Engineer Harlow, Hybrid (min 3 days a week on site) Raytheon UK is looking for an experienced and high performing Engineer to join a successful Assured Position, Navigation and Timing (APNT) team within the Global Sensors Mission Area, creating Digital GPS Anti-Jam Systems for the military market. The role will be based at Raytheon’s Harlow facility and the successful candidate will report directly to the APNT Digital Engineering Manager. The Senior Electronics Engineer (ideally with 8+ years of relevant experience in designing hardware) will be able to make their mark on a broad and varied range of product designs and will be expected to assist in the integration of these designs into products, being the focal point for the complete system. Main Duties: The successful applicant will support the APNT Team across various programmes (both internally and Customer funded) and will be involved in the following main duties: Develop requirements to ensure compliance to the relevant standards Work alongside our system engineers on architectures of electronic subsystems and own the design Schematic creation, PCB design support, component selection, Perform circuit simulation, evaluation and verification Work alongside embedded Systems, Software, RF and mechanical engineers Generate supporting design documentation and perform regular technical reviews. Candidate Requirements: Essential: Experience with embedded digital electronics, microprocessor systems Experience of working with ADC/DAC Experience of working with memory devices such as SRAM, Flash Experience working with FPGAs and SoC technologies. Experience of creating prototypes and turning them into a production hardware Experience of supporting PCB designs in conformance with defence engineering standards/airborne standards Experience with High-Speed Interfaces and signal technologies such as LVDS, JESD Signal and power integrity analysis Working knowledge of Ethernet, SPI, I2C, UART, RS422 Experience in designing for manufacture Able to present technical information clearly and concisely to others Demonstrable analytical and problem-solving skills An openness to learn and try new techniques Ability to adapt to a dynamic work environment - working independently or with others to overcome obstacles Capable of analysing and reporting on technical data Eligible or holder of current SC security clearance Mentor less experience engineers within the team Desirable: Experience of working with the Xilinx chip family Familiarity with the application of a systems engineering approach across the design and development life cycle Experience using the Mentor Xpedition PCB design tool and SPICE Experience of circuit simulation tools such as Simscape and creating spice models Experience of creating design models in MATLAB/Simulink Experience creating DO254 compliant electronic systems APNT systems domain knowledge and/or experience in a similar field Understanding of environmental requirements (shock, vibration, EMC, etc.), experience applying these requirements to a design and experience testing for these requirements Benefits: £: Competitive salary Contributory Pension Scheme (up to 10.5% company contribution) 6 times salary ‘Life Assurance’ with pension 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr) Company bonus scheme (discretionary) Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan , Dental, and Cycle to Work amongst others Enhanced sick pay Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave Work Culture 37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements. Early 1.30pm finish Friday, start your weekend early! Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role. Up to 5 paid days volunteering each year. Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team. #LI-BZ1 RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. Privacy Policy and Terms: Click on this link to read the Policy and Terms