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Senior Mechanical Project Engineer

Diamond Light Source

Location: Didcot, Oxfordshire, Hybrid
Salary: £51,543 to £60,108 per annum (Discretionary range to £65,675) (Inclusive of annual allowance)
Hours: Full Time
Contract Type: Permanent
Placed On: 18th September 2025
Closes: 12th October 2025
Job Ref: 10590

Harwell, Oxfordshire

Based onsite / Hybrid working available – minimum 3 days onsite per

Full time / Flexible hours considered.

Reference: 10590

About Us

Diamond Light Source is the UK’s national synchrotron; a huge scientific facility designed to produce very intense beams of X-rays, infrared and ultraviolet light. Our scientists use the light to study a vast range of subject matter, from new medicines and treatments for disease to innovative engineering and cutting-edge technology.

Now is an exciting time to join Diamond as we are currently at the early stages of a major upgrade of the facility. Diamond-II will combine a new machine and new beamlines with a series of upgrades to optics, detectors, sample environments, sample delivery capabilities and computing, this will continue to build on Diamond’s world-leading position, and enable us to continue to deliver brilliant science, tackling some of the most challenging scientific questions of the 21st century.

About the Role 

We now have an opportunity for an experienced Senior Mechanical Project Engineer to provide professional mechanical engineering leadership in delivering projects related to the technical systems at Diamond.

Your responsibilities will include: 

  • Providing creative, innovative, and adaptive solutions. 
  • Producing engineering designs utilising CAD 
  • Static Structural Analysis using analytical and FEA tools 
  • Dynamic Analysis in the time and frequency domains using analytical and FEA tools 
  • Thermal/Cryogenic Analysis using analytical and FEA tools 
  • Mechanical, Thermal & Motion system Test and Validation of prototypes 
  • Management of project files containing all relevant project documentation 
  • Leading Risks Assessment and pursuing solutions to mitigate risks. 

About You 

You are a skilled and experienced Mechanical Engineer with an Engineering degree or significant equivalent experience. 

You have experience in the delivery of complex equipment including developing specifications, concept designs, taking detailed designs through to manufacture, testing, installation, and commissioning. 

You will also demonstrate knowledge / Experience of: 

  • Designing systems that operate under challenging conditions such as Ultra High Vacuum and cryogenic temperatures.
  • Designing mechatronic dynamic motion systems.
  • Engineering drawings and 3D modelling systems and familiar with modern manufacturing methods including additive manufacturing techniques. 
  • Risk assessments and understand the requirements of such directives as the Machinery Directive. 
  • Working with multi-disciplinary teams. 
  • Hands-on research & development.

Good communication skills are critical, with the ability to discuss ideas, present possible solutions, debate and collaborate at all stages of the projects. 

Candidates who don’t have direct prior experience of all these topics will be considered if they demonstrate a clear aptitude and understanding of the underlying principles at interview. 

Benefits

Diamond offers an exceptional benefits package to support staff in achieving a positive work/life balance. This includes 26 days annual leave plus Christmas closure, public holidays, 2 annual volunteering days and flexible working hours. We also offer an excellent defined benefit pension scheme. Staff also have access to a range of amenities on site including a nursery, cafes, a restaurant and sports and leisure facilities. A relocation allowance may also be available where applicable.

This role qualifies for a non-pensionable allowance of £3,000 per annum.

As standard this role offers a hybrid working arrangement with a minimum of 3 days working onsite per week.

To Apply

Please use the online application process to apply and tell us why you believe you are suitable for this role.

The closing date for applications is 12th October.

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