Plasma Diagnostician (Neutrons and X-rays)

Location: Milton Park, Abingdon
Salary: Competitive
Job type: Permanent

The role

The role is the management of the design, research and development (R&D) and procurement activities of spectroscopy diagnostics and experimental data analysis.  To assist in the design and maintenance of other plasma diagnostic systems.  Design, operation and exploration of spectroscopy instrumentation operating in a wide range of wavelengths particularly in the x-ray region (soft to hard) as well as other particle detectors.  The candidate will assure that the diagnostic design is completed to meet the functional, safety and quality requirements as specified by the project. This will include the storing of raw data in an MDS+ repository. The role may also involve the analysis of raw data to produce higher level parametric data of interest to physics studies (eg electron temperature profiles).


  • Take responsibility for the R&D, specification, procurement, installation, commission and maintenance of assigned diagnostic systems
  • Manage the contracts and resources allocated to x-ray diagnostics
  • Assist in the design and interfaces to data acquisition and other systems
  • Work in close collaboration with the design office through the design phase, leading jointly to procurement and installation
  • May be requested to be part of any of the project’s teams dealing with any of the activities above and perform other duties upon management requests
  • Interacts regularly with others in the Diagnostics areas
  • Acts as primary point of contact for all x-ray and particle detectors
  • Take responsibility for regular calibration and updates of the calibration data for other systems such as data acquision and plasma control systems
  • Perform analysis of the experimental data delivered by the diagnostic instruments

This job may include the following hazards or safety-critical activities

  • Working at height (ladders)
  • Driving on Company business
  • Working with ionising radiation (Occasional use of calibration sources)
  • Occasional manual handling
  • Working in the vicinity of equipment that produces high magnetic fields
  • Working with materials that are managed under the control of substances hazardous to health regulations (COSHH)

Essential selection criteria

  • At least a PhD degree in Physics involving the use of instrumentation
  • Knowledge of Neutron and X-ray spectroscopy
  • Experience in design and development in experimental physics
  • Experience in maintenance and calibration of x-ray instrumentation
  • Digital Signal processing using FPGA based acquisition systems
  • Experience in analysis of plasma diagnostics data
  • Ability to work on own initiative or in a team and multi-cultural environment
  • Excellent planning and organisational skills
  • Programming in Python, MatLab, LabVIEW C++ or similar

Desirable selection criteria

  • Experience in electronics design would be advantageous
  • Experience in high power experimental systems would be advantageous
  • Experience in fusion related technologies such as Ultra High Vacuum (UHV) would be advantageous
  • Real-time, low latency data communication methods
  • Good communication skills
  • MS office (word, excel, powerpoint, outlook


  • 25 days holiday, pro rata (plus bank holidays)
  • Company pension scheme
  • Eligible for company share option scheme after 1 year of service
  • Company bonus scheme, discretionary, dependent on performance
  • Private medical insurance after 3 months of service

If you are passionate about accelerating the development of fusion power and want to join our dynamic team, please send your CV with a covering letter detailing your experience to

Important information for candidates

Pre-employment screening

Please note that the appointment of the successful candidate will be subject to standard pre-employment screening, as applicable to the post. This will include right-to-work, proof of identity and references.

Data privacy

Please note that any personal data submitted to Tokamak Energy as part of the job application process will be processed in accordance with the GDPR and related UK data protection legislation, for more information regarding GDPR please see:

Equality of opportunity

Entry into employment with the Tokamak Energy and progression within employment will be determined only by personal merit and the application of criteria which are related to the duties of each post and the relevant salary structure. In all cases, ability to perform the job will be the primary consideration. No applicant or member of staff shall be discriminated against because of age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race, religion or belief, sex, or sexual orientation.

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