Date posted: 11 Feb 2022

Aerospace and defence equipment wouldn’t be able to operate if it wasn’t for avionic manufacturers like Chelton. We pride ourselves on working with customers and being attuned to industry trends to expand the possibilities of aerospace and defence and give our customers a helping hand in achieving mission success. Working in challenging environments, producing failsafe technology with smart thinking – it’s just what we do. But we couldn’t do it without the Chelton A-team.

Chelton is looking for a Senior Software Engineer to join the Avionics Business Unit on a permanent basis at our Marlow headquarters, actively involved in the development of our world beating Aerospace Equipment, ranging from Search & Rescue Direction Finders, Anti-Jam GNSS products, Radio Transceivers and Phased Array Antenna’s.

The successful candidate will likely have the following skills and experience:

Skills and qualifications

  • Proven record of designing and developing embedded software projects to deliver successful outcomes on time and within budget
  • Wide range of experience with and knowledge of mission critical systems
  • Demonstrable experience working directly with customers
  • Solid understanding of software development life-cycles, processes and methodologies, including software configuration management
  • Exceptional planning and organisational skills
  • Behavioural: self-starting, adaptable, problem solving and able to work closely with engineers from other disciplines

Essential competencies

  • Proficient in C/C++ (demonstrated by experience)
  • Experience in embedded software development
  • Experience using real-time embedded operating systems
  • Experience in software design and software life-cycle management
  • Familiarity with the product lifecycle from system requirements, architecture, design, integration, qualification, verification, through to production and support
  • Creative and innovative problem solver, self-starter who is eager to learn and develop

Desirable competencies

  • Understanding and appreciation of Configuration Management and Quality Assurance principles
  • Knowledge of aviation regulatory standards for software: DO-178
  • Experience of Agile development methods
  • Experience programming peripheral interfaces via embedded interconnect technologies such as SPI and I2C
  • Experience with Visual Studio and C# for tool/test development
  • Experience with working within a regulated background and adherence to standards
  • Experience with Atlassian tools for collaboration and issue tracking


  • Competitive salary 25 days holiday, plus bank holidays, with the opportunity to buy and sell leave
  • Bonus
  • Private medical insurance
  • Hybrid working
  • Flexible benefits scheme
  • Pension contribution matched up to 8%
  • Employee Assistance Programme

No two days are ever the same at Chelton, you’ll constantly be faced with new challenges to overcome. From the very beginning, you will be able to take full ownership and accountability to see products through to success. After all, where would we be if it wasn’t for the people behind the products?

If you’re looking to leave your mark on the world, why not choose the exhilarating world of aerospace and defence and better yet, join Chelton for your chance to innovate, create and excite.