Role: Senior Hardware Modelling Engineer Location: Harlow #FWS 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 Hardware Engineering Lead. The Senior Hardware Modelling Engineer 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 involve the following main duties: Develop requirements to ensure compliance to the relevant standards. Work alongside our system engineers/modellers on architectures of electronic subsystems Create hardware models and run the appropriate simulation Able to read/create Schematic creation, support PCB design, component selection, evaluation and verification Work alongside our embedded software engineers and mechanical engineers Generate supporting design documentation and perform regular technical reviews. Candidate Requirements: Essential: Experience with embedded digital electronics and 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. Model based design creation and simulation Understanding of IBIS, SPICE, etc models Experience with Matlab/Simulink, SPICE toolsets 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 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 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 creating DO254 compliant electronic systems Understanding of VITA interface 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 About Raytheon Technologies Raytheon Technologies Corporation is an aerospace and defence company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises four industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, Raytheon Intelligence & Space and Raytheon Missiles & Defence. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cyber security. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Waltham, Massachusetts. Standard Benefits: 25 days holiday + statutory public holidays Contributory Pension Scheme (up to 10.5% company contribution) 6 times salary 'Life Assurance' Flexible Benefits scheme with extensive salary sacrifice schemes. Enhanced sick pay scheme Enhanced Family Friendly Policies, including enhanced Maternity & Shared Parental leave. 37hr working week, with an early finish Friday (hours may vary depending on role, job requirement or site specifics arrangements). Flexible working arrangements can be considered wherever we can (depending on the role) so please enquire or highlight any request to our Recruitment team to explore flexible working possibilities. Canteen facilities available at Harlow & Glenrothes sites and Manchester & Gloucester offer free snacks & drinks (hot & cold) Raytheon Career Development: Raytheon has a wealth of resources available to help you develop your career from the moment you join. Activities range from on-line learning modules to external training and support for taking professional qualifications relevant to your role. Diversity: Diversity is a core business imperative at Raytheon. We are an equal opportunity employer that promotes inclusiveness and always employs the best professionals for the job. Having a diverse workforce allows Raytheon to draw upon a range of different ideas and experiences which supports growing our business and creates an environment where everyone has an equal opportunity for success. Raytheon UK pro-actively encourages diversity of ideas, thoughts, and networking opportunities and has created Employee Resource Groups (ERGs) including Raytheon Women's Network, YesNet (Young Employees Success Network), Raytheon Reservist Network (RaRe), Raytheon Alliance for Diverse Abilities (RADA), RayPride and all work together with our Diversity & Inclusion council, and all Raytheon employees are welcome to participate regardless of their background