Criticality Consultant


Number of Positions:
Contract Type:
Permanent - Full Time
Salary from £47,706
Working Hours:
Preston, Lancashire
Closing Date:
Business Area:
Nuclear Operations
Post / Zip Code:

Job Introduction

Job Description for Criticality Consultant:

This is where your skills play a critical role in keeping everyone safe. Working in Safety, Security and Safeguards gives you the chance to make your mark on some hugely interesting projects. NNL does work that nobody else in the sector is doing, and this means we need experts like you to make it possible, whilst keeping everyone safe. We’re committed to using nuclear science to benefit society for years to come. This means that you can build a long and successful career here whilst playing a meaningful role in delivering cleaner energy, reducing waste and keeping colleagues and the public out of harm’s way.

Provide delivery and technical leadership to NNL laboratories and external customers, to enable the delivery of technical projects and ensure criticality safety in operations. Maintain and develop technical skills within the Criticality area and support development of team member's skills and capability.

Main Responsibilities

Main Responsibilities for Criticality Consultant:

  • Lead on the technical delivery of projects in the criticality area to time, cost, quality, value and service requirements (working independently). Customers may include any UK civil or defence nuclear facility or operator (including NNL laboratories).
  • Technical lead on small projects, e.g., up to £50k.
  • Supporting long-term projects with a duration from 3 months up to typically 1-2 years. 
  • Clearly define project / bid deliverables and determine the scope of what milestones need to be completed to achieve the overall objectives.
  • Working as part of multi-disciplinary teams addressing safety challenges.
  • Interfacing with internal and external stakeholders to effect successful delivery of projects and identify new opportunities for the team. 
  • Contributing to the development of new capabilities through innovative approaches and providing insight.  Work independently on own IR&D project and submit own IR&D proposal.
  • Maintaining technical awareness of NNL’s capability of the area.
  • Developing and maintaining SQEP skills for criticality and continuing professional development.
  • Design and deliver criticality awareness training.
  • Active involvement in relevant national industry groups.

The Ideal Candidate

Essential Criteria for Criticality Consultant:

  • Degree qualified in relevant science or equivalent level of demonstrable technical capability.
  • Typically SQEP 3 with demonstrable experience in criticality safety.
  • Strong level of knowledge and experience with proven track record in technical delivery in the specialised field of criticality safety.
  • Proven ability to both act independently under own initiative and to work in a team.
  • Strong communication skills, including multi-site working.
  • Strong teamworking skills.
  • Mentoring skills to mentor and develop junior staff.
  • Good networking skills.
  • Ability to obtain SC level security clearance (this includes but is not limited to identity, employment, financial and criminal record checks plus 5 years’ worth of UK residency).

Desirable Criteria for Criticality Consultant:

  • Preferably Chartered Membership of a professional institution or working towards this qualification.

About The Company

Grounded in robust science and decades of experience, National Nuclear Laboratory (NNL) is the authoritative voice in the UK and beyond for technological development within the nuclear power sector.

Our unparalleled understanding of the science, challenges and opportunities makes us an unrivalled authority and partner in the field, providing experts, technologies, and access to cutting-edge facilities to organisations around the world.

Harnessing potential technologies and translating them into to industry-ready solutions means our pioneering approach spearheads international improvement and technological progress.

We work on projects as small as drilling a hole to analyse underground wastes with our integrated micro drilling technology, or as large as developing state-of-the-art power systems for spacecraft, based on radioactive materials

NNL has a vision for Equality, Diversity and Inclusivity (ED&I) where NNL aims to be an inclusive workplace that attracts diverse talent through transparent and equal policies and procedures. We want you and the diverse mix of people that we employ, customers that we service and stakeholders that we influence to feel valued. We encourage a workplace culture where everyone can thrive with a sense of belonging.

Recruitment Agency Notice

We operate a strict Preferred Supplier List (PSL) for the provision of recruitment services. Only agencies on our PSL may provide CVs and only when the role is released to them by our recruitment team. We will not accept unsolicited CVs from suppliers not currently on our PSL. We explicitly reserve the right to add candidate details from unsolicited CVs from non-PSL agencies into our own candidate database and to pursue/hire such candidate(s) without any obligation, financial or otherwise, to the agency concerned.