Criticality Safety Engineer

4 weeks ago

Gloucester, Gloucestershire, United Kingdom EDF Full time

Position Overview:

We are seeking a dedicated Reactor Physics (Criticality) Engineer to become a vital part of our Fuel and Core Branch (F&CB) within the Nuclear Services sector.

Role Responsibilities:

The selected candidate will primarily concentrate on enhancing our capabilities in Criticality Safety. This involves conducting studies, analyses, and providing expert guidance on nuclear aspects related to the handling and storage of fissile materials at nuclear power facilities. This role presents an excellent opportunity to deepen your understanding of nuclear fuel design and operational processes in a supportive project environment. Furthermore, there are numerous pathways to expand into additional technical fields, particularly in Reactor Physics, which entails examining reactor neutronic and thermal hydraulic behavior to ensure compliance with Nuclear Site Licences.

As a member of the Reactor Physics and Criticality Group, you will report directly to the Group Leader and collaborate closely with various Nuclear Services teams, EDF Licensee Groups, and Power Stations.

Compensation and Culture:

We offer a competitive salary, reflective of your skills, experience, and qualifications. At EDF, we embrace diversity and inclusion, fostering an environment where every individual feels valued and empowered to express themselves. We are committed to promoting equality and diversity within our workforce, aiming for a balanced representation across various demographics.

We are recognized as a disability confident employer and are dedicated to supporting your application process, making necessary adjustments as required.

Key Duties:

As a Criticality Safety Engineer, your main responsibilities will include:

  • Executing Monte Carlo simulations of neutron transport equations utilizing geometric models of nuclear fuel under diverse conditions and fault scenarios;
  • Evaluating proposed fuel route operations to identify potential hazards and faults that may present criticality risks;
  • Analyzing faults to assess risks and recommend appropriate safety measures in accordance with the ALARP principle;
  • Developing criticality safety cases that meet quality and procedural standards, integrating them into the station safety case;
  • Reviewing other safety cases to evaluate their impact on criticality safety and providing necessary advice;
  • Offering guidance to station personnel in response to on-site events and evolving circumstances;
  • Collaborating with station staff and other technical teams to discuss training, operational experiences, and work requirements;
  • Maintaining essential codes (verification & validation, version control, etc.) and managing tasks within a UNIX environment;
  • Clearly defining tasks for others, partnering with supply chain associates, and acting as an Intelligent Customer for externally produced work;
  • Assisting the Group Leader in managing strategy, risk, work planning, resources, and budgets as appropriate.

Candidate Profile:

Ideal candidates will possess:

  • A robust background in science or mathematics;
  • A strong desire to learn and grow professionally;
  • Self-motivation, initiative, and sound judgment to drive projects to timely completion;
  • Excellent teamwork abilities alongside strong written and verbal communication skills, organizational capabilities, and a high level of analytical proficiency.

This position is suitable for recent graduates or individuals with equivalent academic qualifications and experience, as a comprehensive training program will be provided. However, experience in one or more of the following areas would be advantageous:

  • Analytical or practical experience in nuclear reactor physics, neutron transport, or reactor engineering;
  • Familiarity with general concepts of modeling and simulation, prediction uncertainties, verification, and validation;
  • Technical computing skills in a UNIX-like environment, including scripting and data analysis tools;
  • Experience with Monte Carlo computer modeling codes and techniques (e.g., MONK, MCNP, SERPENT, etc.);
  • Knowledge of the legislative requirements within the Nuclear Industry, particularly regarding safety case development;
  • Understanding of AGR or PWR operations from a Nuclear Safety Group or Operations perspective.

Join us in our mission to support the UK's transition to Net-Zero.

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