
Design and Certification Engineer (Electrical / Avionics)
Doncaster
Permanent, F/T
£46,354 - £77,256
About us
2Excel Aviation Ltd, part of the 2Excel Group, is an innovative aerospace and aviation services company operating across defence, security, critical national infrastructure, charter, engineering and disaster response. We save lives, clean seas, save trees and support Nationally-important services. With specialist teams and unrivalled aerospace approvals, we design, build, test and operate aircraft to deliver mission-critical services and data-driven insights. Our success is built on the talent and experience of our exceptional people.
About the Role
Working within a Part 21J Design Organisation Approval and MAA DAOS Approval environment, this role focuses on the generation and development of electrical and avionic design and certification data for aircraft modification programmes.
You will be responsible for the end-to-end design of electrical and avionic system installations on CS23 and CS25 aircraft, starting from initial wiring diagrams through to the definition and specification of wiring, components, and equipment. Your work will extend across the full design lifecycle, delivering detailed manufacturing and installation data that meets both regulatory and operational requirements.
You will also perform required calculations, analyses and assessments to develop and certify the design, such as Electrical Load Analyses or assessment of equipment suitability for the installed environment. You will also be involved with the development of Classification Checklists, Certification Programmes and Compliance Checklists for design changes.
Essential
Desirable
What we offer
In return we can offer a generous salary, 25 days holiday per year from day one plus bank holidays, 6% matched Pension scheme, Group Life Insurance, Health and Wellbeing benefits including Private Health Care and an EAP, and much more.
Apply using our application form and upload your CV. You are encouraged to use the Covering Letter function to demonstrate how you meet the requirements of the role.
Applicants must be able to demonstrate the Right to Work in the UK and a driving license is required.
2Excel is committed to promoting equitable treatment, encouraging diversity, and embracing inclusion in our recruitment processes and among our workforces. In addition, we are proud to be recognised as a Disability Confident Employer.

2Excel Group Ltd delivers bespoke, innovative solutions to challenges in the aviation sector by leveraging the skills of its exceptionally experienced workforce. It operates across diverse sectors including: defence, security, survey, engineering, travel, environmental, and disaster response for the global oil industry.
Customers include: Government Departments (including the MoD and the Home Office), the major oil companies, the Defence Industrial Base, airlines, blue-chip corporations and critical national infrastructure.
A trusted and respected aviation services business, owned and managed by exceptional people, consistently exceeding expectations, and building a robust and valuable company.
Designing innovative solutions and delivering world-class services to meet the most challenging aerospace requirements.
Founded in 2005 by two former Royal Air Force pilots, 2Excel has grown from five people and four aerobatic aircraft to a fleet of 30+, with more than 600 people and an annual turnover of £70m.
With the rapid growth of its business lines and capabilities spanning the fast-moving aviation sector, 2Excel has become an emerging force in the market able to bid for and win contracts against much larger competitors.
The company is headquartered at Sywell Aerodrome in Northamptonshire with bases at Doncaster, Humberside Airport, Stansted Airport, Lydd Airport, London Southend Airport, and Lasham Airfield, and recently opened new operations at Prestwick Airport, Newquay Airport, and Shannon Airport in Ireland.