Senior Electronics Engineer - Harlow, Essex | RTX Job

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

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