HTS Mechanical Engineer

Location: Milton Park, Abingdon, Oxfordshire
Job type: Full Time, Permanent or Contractor (37.5 hours per week)


Company Background

Tokamak Energy has unlocked a new route to scalable fusion power that is cost-effective and does not require huge infrastructure and capital expenditure. The technology will revolutionise the world’s energy production – it will be possible to produce more energy, more cheaply and with fewer harmful side effects (e.g. with no long-term nuclear waste or carbon emissions). Tokamak Energy aims to accelerate the development of fusion energy by combining two emerging technologies – spherical tokamaks and high-temperature superconductors. The company’s innovation has been featured on Channel 4 news, BBC News Click and Reuters news channel and they received a Technology Pioneer Award at the World Economic Forum on 2016. This is the chance to join a fast-growing high technology company with an agile, dynamic team and to tackle the challenge of a lifetime.


The role

A position is available in the HTS magnet team for a Mechanical Engineer who will be responsible for the design and manufacture of cryogenic equipment to participate in the pioneering work taking place on HTS magnet development at Tokamak Energy.  The candidate should be highly motivated to deliver against challenging objectives in a compressed timescale.



  • Design of pressure and vacuum vessels, ensuring compliance with relevant design codes
  • Design of magnet support structures, ideally including stress calculations
  • Production of design concepts to satisfy manufacture, assembly and maintenance requirements
  • Material selection to account for the operating temperature and magnetic field
  • Production of detailed design drawings and bill of materials, for manufacture and assembly
  • Manage suppliers to ensure they have the relevant expertise and tooling for the specialist tasks and to ensure components and assemblies are delivered on time
  • Contribute effectively in a multi-disciplinary team of engineers and scientists


Selection criteria


  • Degree or equivalent experience in mechanical engineering
  • Experience designing equipment cryogenic and vacuum environments
  • 3D CAD experience, preferably Solid Edge or similar
  • Experience of working in a team of scientists and/or engineers
  • Willingness to learn new techniques and technologies
  • Ability to devise and operative effective project schedules


  • Knowledge of pressure vessel codes, EN1445 or PD5500
  • Experience with Finite Element Analysis, familiarity with ANSYS
  • Experience with joining dissimilar metals
  • Experience of vacuum feedthroughs for power and instrumentation wiring
  • Effective written and oral communication skills
  • Ability to work effectively with minimum supervision
  • Proactive attitude



  •  25 days holiday (plus bank holidays)
  • Company pension scheme
  • Eligible for company share option scheme after 1 years’ service
  • Company bonus scheme, discretionary, dependant on performance
  • Private medical insurance after 3 months service


How to apply

Please submit 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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