At a Glance
- Tasks: Design and prototype power electronics circuits for cutting-edge projects.
- Company: Join Diamond Light Source, the UK's leading synchrotron facility.
- Benefits: Enjoy 26 days annual leave, a pension scheme, and onsite amenities.
- Other info: Flexible hours and hybrid working options available.
- Why this job: Be part of groundbreaking upgrades that advance science and technology.
- Qualifications: Degree in Engineering or Science with practical experience in power electronics.
The predicted salary is between 37800 - 46200 £ per year.
Based onsite in Harwell, Oxfordshire. Full-time / 3-year fixed-term contract (with potential to become permanent) / Flexible hours and hybrid working considered.
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. At Diamond we are currently undertaking a major upgrade of the facility, known as Diamond-II. Diamond-II combines a new machine and new beamlines with a comprehensive series of upgrades to optics, detectors, sample environments, sample delivery capabilities and computing, which will ultimately generate an even more brilliant light source at a higher energy.
About the Role
We now have an opportunity for a Power Electronics Engineer / Senior Power Electronics Engineer on a 3-year fixed term contract with the possibility of becoming permanent to join our team in developing the next generation of power supplies for the Diamond-II upgrade project, focusing on quality, reliability, and stability. In this role, you will also address the daily challenges of operating high-performance magnet power supplies.
Key Responsibilities:
- Design and prototype power electronics circuits and PCB layouts.
- Model power supplies and their controllers to ensure high performance and stable operation.
- Test and validate prototypes for performance, noise, and EMC.
- Develop automated testing rigs and procedures to evaluate reliability and consistency of power supplies.
- Support the development and debugging of FPGA and microcontroller codes.
- Assist with day-to-day operations, shutdowns, and new installations at the Synchrotron.
- Oversee routine monitoring and preventive maintenance of power supplies.
- Participate in on-call schedules and shifts as required.
Applicants will be considered at either Power Electronics Engineer or Senior Power Electronics Engineer, depending on the strength of your skills, experience and qualifications.
About You
You will hold an appropriate Engineering or Science degree, along with proven practical experience in an industrial or scientific environment relevant to this position. You will also demonstrate:
- Fundamental knowledge of electrical and electronic circuit principles.
- Theoretical and practical knowledge in power electronics.
- Essential understanding of laboratory-based testing and measurement techniques.
- Experience in schematic design and PCB layout.
- Basic understanding of linear control systems and electromagnetic principles and components.
- Proficiency with power electronics simulation software such as PLECS, PSIM, MATLAB Simulink, or similar platforms.
- Proficiency with circuit simulation software like LTspice, PSpice, Simscape, or similar tools.
You will have strong communication and interpersonal skills to engage effectively with management, peers, colleagues, customers and suppliers. You will also develop ideas and creative solutions to design challenges, with excellent attention to detail.
Benefits
Diamond offers an excellent benefits package including 26 days annual leave plus Christmas closure, and 2 annual volunteering days. 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. As standard this role requires a fully onsite working arrangement.
To Apply
Please use the online application process to apply and tell us why you believe you are suitable for this role, please also specify whether you are applying for the Senior Power Electronics Engineer or Power Electronics Engineer.
As a visa license holder, we are likely to be able to sponsor non-UK nationals that require visa sponsorship at Senior Power Electronics Engineer level. However, this position doesn't meet the requirements for visa sponsorship for the Power Electronics Engineer, except potentially for those people that are already sponsored in the UK or meet the criteria of a ‘new entrant'. The closing date for applications is 22nd November 2026, however, we encourage early applications as some candidates may be interviewed before this date.
Senior Power Electronics Engineer / Power Electronics Engineer employer: DIAMOND LIGHT SOURCE LIMITED
Diamond Light Source Limited is an attractive employer due to its commitment to world-changing science and research. Employees have the opportunity to work on cutting-edge technology in a collaborative environment that fosters professional growth. The company offers stability through its not-for-profit model, ensuring that the focus remains on scientific advancement rather than profit.
Contact Details:
DIAMOND LIGHT SOURCE LIMITED Recruitment Team
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