Principal Mechanical Design Engineer

Atomic Weapons Establishment (AWE)
West Berkshire, Berkshire, England
£55450 - £80000 per annum
Closing date
22 Dec 2021

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Design, Mechanical
Job Type

Job Details

What if you could work with remarkable people on extraordinary things? What if the end result was something a little bit special? What if your role was mission critical?

For nearly 70 years, AWE has been at the forefront of nuclear weapons research and development. We have a critical mission: to provide the warheads for the UK's ultimate deterrent - Trident. We also use our unique skills to provide wider UK government with counter-terrorism and nuclear threat reduction solutions.

It takes a special sort of person to work at AWE. What if that person was you?

The UK Atomic Weapons Establishment is embarking on a Replacement Nuclear Warhead programme, to ensure the UK continuous at sea deterrent.

To enable the successful delivery of this programme, we are seeking an experienced Mechanical Engineering professional who can drive, deliver and execute key workstreams across multiple projects.

Principal Mechanical Design Engineer

Location - Reading / Basingstoke area

Package - £55,450- £80,000 (depending on your suitability and level of experience)

AWE (one of the best 25 big companies to work for in the UK) offers an attractive array of benefits which include:

  • Market leading contributory pension scheme

  • Generous holiday entitlement (270 hours a year plus every other Friday off)

  • Flexible working hours

  • Salary sacrifice scheme

  • Consideration for either full time or part time hours. Just let us know on your application if you wish to work part time

  • Relocation package available (terms and conditions apply)

As a key member of the ENS Warhead Engineering Team, we are interested in engaging with candidates who have an extensive experience managing mechanical/chemical designs and specifications and are interested in developing their career with us.

This role will involve developing warhead components and sub-systems at Aldermaston that contain pressurised equipment, mechanical structures, electrical sensors and chemical interfaces. The successful candidate will be working with a multi-disciplined team made up of Engineers, Physicists and Material Scientist to provide concepts, prototypes and validated engineered solutions to support Replacement Warhead technologies.

As a Principal Mechanical Design Engineer within a matrix organisation, your role will span a range of responsibilities:

  • Negotiating requirements and interfaces.

  • Planning and managing the engineering development

  • Providing verification and test plans for engineering trials and tests

  • Providing system level documentation and presentations for periodic reviews

  • Reviewing and approving designs to ensure that the products meets customer requirements

To be considered for the role you will have a degree qualification, and ideally Chartered in an engineering discipline or have proven experience working in a similar environment. We are also looking for Candidates to possess strong communication skills and be well versed in System Engineering processes and techniques.

Though not to be considered a check list, candidates would also benefit from knowledge of ANY of the following:

  • PSSR and pressure vessel design codes

  • FEA/CFD knowledge

  • Stress analysis

  • Product testing and validation techniques

  • Electro-mechanical monitoring

  • Fluid dynamics and hydraulic systems

  • Materials selection

  • Nuclear Safety assessment techniques

Candidates must be willing and able to obtain and maintain the necessary security clearance for the role and be able to regularly travel to the US for partnering opportunities once restrictions on travel are lifted.


Please note that you must be a British National to apply for a role at AWE.

AWE plays a crucial role in the defence of the United Kingdom, by providing and maintaining the warheads for the country's nuclear deterrent. We are a centre of scientific, engineering and technological excellence, with some of the most advanced research, design and production facilities in the world. Our unique expertise also assists the UK Government in developing and delivering a range of innovative and integrated support services, including national nuclear security and counter-terrorism solutions.

AWE is an equal opportunities employer. We value diversity and welcome applications from candidates from all backgrounds. We particularly welcome applications from sections of the community which are currently under-represented at AWE, including women, BAME and people with disabilities.


We’re looking for talented and ambitious people to join us in our work at the forefront of nuclear defence engineering, science and technology.

To work at AWE is to play a valuable part in keeping our country safe and secure.

Working at AWE gives you access to exceptional technologies, facilities and projects no ordinary company can provide – and the support of world-class professionals at every stage of your career.

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