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Mechanical Design Engineer (NPP Group)

Atomic Weapons Establishment (AWE)
Reading, England, Berkshire
£33850 - £47500 per annum + plus excellent benefits
Closing date
19 Jun 2023

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Job Details

Mechanical Design Engineer (NPP Group)

Location: Aldermaston, Berkshire (On-Site role)

Package: £33,850 - £47500 (depending on suitability and level of experience)

What do we offer?

  • Time to recharge your batteries with 270 hours (including Bank Holidays) of annual leave - plus every other Friday off work!

  • Consideration for flexible working arrangements so that your work may fit in with your lifestyle. Just let us know on your application if you wish to work part time

  • Opportunities for Professional Career Development that include funding for the annual membership of a relevant professional body, access to mentors and training

  • Employee Assistance Programme and Occupational Health Services

  • A generous defined contribution Group Personal Pension (we will pay between 9% and 13% of your pensionable pay depending on your own contribution)

  • Life Assurance

  • Discounts - access to savings on a wide range of everyday spending

  • Special Leave Policy including paid time off for volunteering, public service (including reserve forces) and caring for your family

  • A host of voluntary & core benefits to suit your health and wellbeing - more information available on our careers site


The Nuclear Physics Package (NPP) group design, build, test and substantiate the safety and effectiveness of the UK's nuclear deterrent maintaining the Continuous At Sea Deterrent through pioneering science and computational methods. We also use our nuclear know-how and technical expertise to provide innovative solutions that support the UK's nuclear threat reduction activities.

Due to an increase in workload, we are currently recruiting for several roles across engineering.

If you've ever wondered how a component fits into the wider system, or why it's been designed a certain way, or even why a tolerance on a drawing is so tight? These opportunities will give you insight into all of this, and much more!

Below is a brief summary of the different opportunities.

Product Design Team - working with multi-discipline teams across the business to deliver innovative design solutions to a variety of unique engineering challenges, from concept to substantiation and providing through life engineering support for current and future systems.

Hydrodynamic Trials - design, build and field the extraordinary engineering tests and trials that underpin the pioneering science and computational methods that substantiate the safety and effectiveness of the UK's Nuclear Deterrent. This role will give successful candidates the opportunity to design complex systems with unique materials, build those designs with their own hands, and test them in extreme environments at unique test facilities in the UK and abroad.

Threat Response Team - Design, development, manufacture and assembly of hardware to support projects, trials and capability demonstrators. Support operational response through the provision of training aids and the undertaking of threat assessments for UK Government Departments.


  • Delivery of own agreed objectives / project deliverables

  • Being directly responsible for engaging with stakeholders across the company to progress design activities, ensuring compliance with safety, security and performance with input from subject matter experts. Aid planning activities for future design activities

  • Contribute to the planning and execution of tasks in order to deliver specific agreed objectives on time; demonstrating control of cost and quality

  • Support the progress of designs through product lifecycle

  • Understanding of the hazards and associated risks of any work conducted and, where required, safely use specialised equipment

  • Maintain and promote high personal standards in environment, safety, health, security and quality and be a great team player. Be able to work as part of a team and independently to deliver packages of work as per the customer requirements

  • Understanding customer requirements and being able to translate these into engineering solutions

  • Contribute to the delivery of conceptual designs, detail designs, manufacturing specifications, operational documentation and validation evidence for mechanical engineering solutions in relation to defined requirements

  • Contribute to the production and delivery of high-quality technical reports and presentations.

  • Identify and support opportunities for cost savings, efficiency and business improvement.

  • Assist the Technical Lead in managing partnerships

  • Support the Senior Engineer in scoping, planning, and estimating future activities

  • Organise personal training and development under the guidance of a professional mentor

Qualification and Education Requirements

To be considered for this role you must have:

  • A Degree, HND/HNC or an equivalent vocational qualification, in an engineering discipline supported by considerable practical experience, with or working towards professional registration

  • Awareness of Destructive and Non-destructive testing techniques for product certification and through life monitoring

  • Awareness of the development, testing and evaluation of Engineering designs

  • Production of outline designs

  • Preparing technical reports and documentation

Preferred skills

Experience/understanding of any of the following would be advantageous, but not essential as role specific training will be given:

  • Product Lifecycle Management (PLM) including configuration management and quality control

  • Computer Aided Design (CAD) systems

  • Engineering drafting to BS8888 with GD&T

  • Substantiating engineering designs for safety and performance

  • Finite Element Analysis (FEA) and its limitations

  • Machine tools and manufacturing processes

  • Additive manufacturing processes and technologies

  • Static and dynamic environmental testing

  • Material selection and testing

  • Working to British and ISO Standards


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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