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Electrical Engineer

Tokamak Energy
Milton Park, Abingdon (OX14)
Competitive, depending on experience
Closing date
21 Jan 2022
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Job Details

The successful candidate will be part of the Electrical Engineering team. The team is responsible for the design, installation, commissioning and operation of all DC and pulsed power supplies as well as the installation and commissioning of the power distribution, controls, diagnostics and safety systems for ST40 and future tokamak projects

Due to Tokamak Energy's fast rate of growth and ambitious project programmes, we need to further develop the electrical engineering team to meet the requirements of future programmes and systems. We are, therefore, able to offer an exciting and diverse role to an enthusiastic and adaptable candidate

About the role

The Electrical Engineer will work to support operation of the current toroidal and poloidal field coil power supplies on ST40, as well as forthcoming power supplies for ST40 coils, and associated plant, including gas and vacuum systems, auxiliary heating, and diagnostics. Within operations, the successful candidate will be trained to fulfil roles including Power Supply Engineer and ST40 Operator. They will also be involved in the specification and design of future power and associated systems for ST40 and other tokamak projects

Responsibilities will include

  • Specification, design and commissioning of electrical and electronic systems
  • Authoring design documentation, as well as commissioning and operating manuals
  • Authoring risk assessments and installation method statements for projects
  • Liaising with engineers and scientists responsible for ST40 systems including cooling, vacuum, gas, diagnostics and controls
  • Fulfilling the operational roles of Power Supply Engineer and ST40 Operator
  • Internally the post holder will communicate with the Head of Electrical Engineering, and other engineers working within the Company
  • Externally the post holder will be responsible for the management of electrical and electronic engineering manufacturing contracts, and will therefore liaise with manufacturers and component suppliers

Hazard-specific / Safety-critical duties

This job includes the following hazards or safety-critical activities

  • Working at height (ladders, scissor lifts, cherry pickers & scaffolding)
  • Occasional night working (11pm-6am)
  • Working with ionising radiation
  • Working with electricity (LV & HV) (training will be given as required)
  • Working with materials that are managed under the control substances hazardous to health of regulations (COSHH)
  • Travel outside of Europe or North America on company business

About you:

Essential skills, experience and competence

  • A degree-level qualification or equivalent experience in electrical or electronic engineering
  • Ability to author and edit and interpret electrical drawings or AutoCAD or equivalent
  • Experience in the design, specification, commissioning and operation of industrial electrical and electronic systems
  • Familiarity with industrial control, including discrete controllers and centralised control systems
  • Familiarity with PLCs and fieldbus communication
  • Experience with mains power distribution
  • Strong understanding of electrical safety, including knowledge and understanding of the application of BS 7671
  • Good decision-making, problem-solving, planning and organisational skills
  • Good verbal and written communication skills
  • High proficiency with Microsoft Office

Desirable skills, experience and competence

  • Experience in the design, specification, commissioning, and operation of power electronic converters
  • Experience of power electronics simulation in PLECS or equivalent
  • Experience of mechanical design, fabrication and assembly
  • Experience of PCB CAD using Eagle, Altium or equivalent
  • Experience of high-power busbar design
  • Familiarity with Functional Safety Systems
  • Experience of planning and supervising electrical installations
  • Familiarity with the safe operation of high voltage equipment
  • Understanding of power distribution, including power network modelling and analysis
  • Experience of thermal and magnetic analysis of room-temperature and superconducting coils


  • 25 days holiday (plus bank holidays)
  • Company pension scheme
  • Eligible for company share option scheme after 1 year's service
  • Company bonus scheme, discretionary, dependant on performance
  • Private medical insurance after 3 months' service
  • Cycle to work scheme

Please note: Only candidates with the relevant skills and experience will be contacted regarding this position. If you do not hear back within 10 days of submitting your application then unfortunately you have been unsuccessful. However, you may be contacted in the future to discuss other opportunities.

No terminology in the advert or job description is intended to discriminate on the grounds of a person's gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and abilities to perform the duties of the job.


As our scientific research advances, so does the size of the team that is working to deliver our compact spherical tokamak project.

We currently have a 40-strong team of people that are all playing a leading role in helping Tokamak Energy to realise a fusion-powered future.

From world-class fusion scientists and magnet engineers that ensure our technical development continues at an impressive pace, to the skilled business support professionals that keep our business running smoothly in the background, we a versatile and talented team that is setting the standard in fusion research.

Tokamak Energy is a challenging and rewarding place to work – as our employee testimonials highlight – so if you think you’ve got the skills and passion to help us reach our exciting fusion targets, we’d be delighted to hear from you.

Find Us
01235 355940
120A Olympic Avenue
Milton Park
OX14 4SA
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