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Radiological Engineer

Energy Impact Center

Energy Impact Center

Washington, DC, USA
Posted on Thursday, June 15, 2023
Last Energy (LE) seeks an experienced radiological engineer to support the safety and licensing analysis for the PWR-20 small modular reactor (SMR). This person will work closely with the nuclear engineering and safety analysis staff to ensure that the PWR-20 design meets radiation safety and accident dose requirements.

Key Duties & Responsibilities

  • Determining core and coolant radiological source terms
  • Determining neutron and gamma radiation field around the NSSS and the site.
  • Calculating the dose due to theoretical accidents and the impact on surrounding areas.
  • Participate in and support interfaces with customer and regulatory authorities to obtain regulatory approval of the Last Energy reactor core design, codes, and methods.
  • Prepare and review safety analyses, calculation files, and associated records.


  • BS, MS, or PhD in Nuclear Engineering, or a related degree (e.g., physics with nuclear concentration).
  • 5+ years applicable experience in PWR or BWR radiological evaluations
  • Proficiency in MCNP, SCALE, RADTRAD, or other nuclear industry analysis code as well as scripting and coding with PYTHON or EXCEL VB.
  • Positive and effective team interaction skills and value positive peer relationships
  • Effective written and oral communication skills