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Radiation Shielding Engineer

Holtec International

Holtec International and its subsidiary companies are designing an unconditionally safe and secure source of clean energy, the SMR-160+ small modular reactor. The Position is offered by Holtec Britain as a member of the Holtec International family, a global turnkey supplier of equipment and systems for nuclear, solar, geothermal, and fossil power generation sectors of the energy industry. Come join a growing multidisciplinary team of engineers designing the next generation nuclear power station. The Radiation Shielding Engineer will produce dose assessments for workers and the public and will help to develop the radiological protection nuclear safety case documentation for the developing reactor design.

The Radiation Shielding Engineer will build strong a relationship with the US SMR Nuclear Lead. The UK GDA is a critical element for commercial deployment of SMR-160+ word-wide, and this role provides a unique opportunity in an exciting emerging technology and energy marketplace.

Experience should include:

  • Public dose calculations for discharges (e.g., liquid/gaseous) and from direct radiation.
  • Dose calculations for workers.
  • Specific Areas of Responsibility:
  • Determine source terms and transport to various systems and components at the SMR-160 pant during normal operation and transient conditions.
  • Develop radiation protection design features and perform radiation shielding, occupational exposure, and site dose assessment for the SMR plant during normal operation and transient conditions.
  • Public dose calculations for discharges (e.g., liquid/gaseous) and from direct radiation.
  • Production of radioactive waste strategy documents.
  • Applicants should be prepared to play an active role in a project-driven and highly integrated engineering team.

Minimum Requirements:

  • Degree qualified in an engineering or science related discipline.
  • Ability to work independently and balance competing priorities.
  • Demonstrated experience and proficiency with radiation source term, shielding and radiological-consequence dose assessment tools, e.g., MCNP, SCALE, GALE, ARCON96, RADTRAD or other applicable analysis code packages
  • Demonstrated experience and proficiency in performing radiological release and transport calculation to evaluate dose to worker and public.
  • Experience with computer languages such as Python
  • Eligible to work under 10 CFR Part 810.


Holtec International are partnered with Thomas Thor for recruitment purposes, you may be contacted directly by Thomas Thor as part of your application process.

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This job is closed.