Principal Electronics Engineer

  • ARM
  • Bristol, Gloucestershire
  • Jan 30, 2026
Contractor Government

Job Description

Principal Electronics Engineer

Southampton or Bristol

6-month contract

Paying up to 65p/h (InsideIR35)

Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable

Overview

Primary focus on the design and development of digital processing electronics and support to RF and analogue power circuitry for complex laboratory and aircraft sensor systems. You will work across a range of projects throughout various stages of the product lifecycle, from initial concept development through to early life production and field support.

Key Responsibilities:

  • Design and development of mixed-technology electronic designs comprising of one or more Microcontrollers, CPLD and/or FPGA devices interfacing with RF and analogue circuits.
  • Implementation of digital interfaces such as Ethernet, CAN, I2C, SPI and RS422 alongside high-speed optical fibre and Ethernet interfaces.
  • Design and development of power and control boards requiring high safety ratings and designed for DO-160 qualification.
  • The role will focus on being the technical focal point for supporting our active and future airborne communication designs, including occasional customer and wider supply chain liaison.

Required Skillset & Experience

  • Analogue circuit design experience with knowledge/hands-on experience of op-amps, ADC?s and DAC driven reference supplies.
  • RF circuit design experience with knowledge/hands-on experience of RF amplifiers, multiplexors and signal conditioning.
  • Experience in providing support to embedded software and firmware teams.
  • Experience in peer reviewing designs and support to system architects/system integration activities.
  • Working knowledge of requirements management and design within DO-254.
  • Experience in digital circuit design using FPGA's, Microcontrollers and DDR/Flash memories.
  • Experience in circuit design modelling and simulation tools.
  • Experience in generating concise technical reports detailing design solutions, implementation rationale and test reports.
  • Experience of following a design lifecycle process, such as participating in design reviews, which come with working in a high-technology defence environment.
  • Practical hands-on experience of high-speed digital hardware circuit design, including schematic entry, component selection and generation of supporting design documentation.
  • Experience of PCB prototyping, commissioning and fault-finding using electronic test and measurement equipment within an engineering laboratory environment.
  • A Degree in a relevant engineering or scientific discipline (Electronics Engineering preferred).

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.