Senior Electronics Engineer – APNT Systems (Hybrid)

Prattwhitney; Harlow; Hybrid; GBP 70,000 - 105,000; Full time

Benefits offered by this job

Contributory Pension Scheme (up to 10.

6x salary Life Assurance

25 days holiday + statutory holidays

Company bonus scheme

Flexible Benefits scheme

Enhanced sick pay

Enhanced family-friendly policies

Job summary

RTX in Harlow is seeking a Senior Electronics Engineer to join the APNT team. You will design and integrate digital GPS anti-jam hardware, work with embedded systems, software, RF and mechanical engineers, and drive circuit verification and documentation.

The role requires 8+ years in hardware design, on‑site work with hybrid options, and the ability to mentor junior staff while maintaining production readiness for defence applications.

Qualifications

• Experience with embedded digital electronics, microprocessor systems.
• Experience with ADC/DAC and memory devices (SRAM/Flash).
• Experience with FPGAs and SoC technologies.
• Experience turning prototypes into production hardware.
• Experience supporting PCB designs to defence/airborne standards.
• Experience with high‑speed interfaces and signal integrity.
• Knowledge of Ethernet, SPI, I2C, UART, RS422.
• Design for manufacture experience.
• Clear technical communication and analytical skills.
• Willingness to mentor junior engineers and learn new techniques.
• Eligible for or holding current security clearance.

Responsibilities

• Develop requirements to ensure standards compliance.
• Collaborate with system engineers on electronic subsystem architectures.
• Create schematics, support PCB design, select components, simulate circuits, evaluate and verify.
• Work with embedded Systems, Software, RF and mechanical engineers.
• Generate design documentation and conduct technical reviews.

Skills

Embedded digital electronics

Microprocessor systems

ADC/DAC

Memory devices

FPGAs & SoC

Prototype to production

PCB design support

High‑speed interfaces

LVDS/JESD

Ethernet

SPI/I2C/UART

RS422

Design for manufacture

Analytical problem-solving

Ability to learn new techniques

Independent / team work

SC security clearance (eligible)

Mentoring engineers

Tools

Xilinx

Mentor Xpedition

SPICE

MATLAB/Simulink

Simscape

DO254 compliance

Job description

RTX in Harlow is seeking a Senior Electronics Engineer to join the APNT team. You will design and integrate digital GPS anti-jam hardware, work with embedded systems, software, RF and mechanical engineers, and drive circuit verification and documentation.

The role requires 8+ years in hardware design, on‑site work with hybrid options, and the ability to mentor junior staff while maintaining production readiness for defence applications.