Overview
Criticality Capability Specialist – Warrington
Criticality Capability Specialist
In this role, you will act as the primary NTS expert in transport criticality, providing specialist guidance across the organisation and leading the development and delivery of criticality safety cases that enable the safe transport of Radioactive Material (RAM). You will proactively drive innovation in criticality assessment, reviewing, adopting and implementing national and international best practice, and developing novel methodologies and advanced computational approaches to maintain NTS’s position as an industry leader. You will deliver a portfolio of criticality studies and safety cases to time, quality and budget whilst supporting wider projects across the business. A key part of the role is developing and maintaining criticality capability within the CAST team and the broader technical community, ensuring that the skills, processes and knowledge essential to the NDA mission remain strong now and in the future.
Knowledge, Skills and Experience (Desirable)
- Good interpersonal and presentation skills
- Recognised expert practitioner in criticality safety applicable to transport
- Proven track record in the technical leadership of criticality safety assessment
- Good first degree in a STEM subject and further degree and/or professionally qualified; prior SQEP status may substitute for formal qualifications if adequately demonstrated
- Detailed knowledge/understanding/experience of IAEA SSR 6 and SSG 26 in support of criticality safety assessment requirements in for fissile material transport
- Ability to run criticality modelling calculations and interpret the results (using Regulator recognised codes such as MONK and MCNP)
- Understanding of other technical disciplines including shielding, licensing and Engineering D&A, which contribute to the overall safety of a transport package
- Ability to work and communicate effectively with other areas of NTS and or the Client to ensure studies undertaken build knowledge that can support delivery solutions
- Chartered status or membership of a professional institute
- Line management of a technical team
Live the following guiding culture principles:
- Freedom – will create an environment where our people have the freedom to perform.
- Helpfulness – will work together to help each other and our customers.
- Drive – be confident, curious, and innovative.
What are the benefits of working at NTS?
We encourage applications from a diverse range of candidates.
We are proud of the commitment we make to diversity and inclusion and of the progress we have made. We have active & vibrant staff networks, special leave policies and workplace adjustments put in place for those who need them. We are continuing to build a diverse organisation, in an inclusive environment which nurtures and realises potential in all, at all levels.
Diversity and inclusion is our top priority, and we embrace uniqueness. We strongly encourage applicants from diverse backgrounds and experiences. We are a welcoming and inclusive workplace where our people are able to bring their whole selves to work.
All applicants from the NDA Group of companies may be eligible for protection of certain elements of their T&Cs when voluntarily taking up employment with another NDA Group Company. If successful in your application, your existing Group Employer’s HR team will collaborate with the new Group Employer’s HR team to ensure that the appropriate protections are implemented into your contract offer. For further details, please contact a member of your current HR team
The company
We are the leading global provider of safe, secure and reliable nuclear transport solutions that make the world safer and more sustainable.
As part of the UK’s Nuclear Decommissioning Authority, we support the largest environmental restoration programme in Europe, and we use our specialist transport and logistics expertise to help customers and partners around the world solve their own complex challenges.
IMPORTANT: Before applying for this role, please make sure you have the right to work in the country where the role is based. Unless it clearly stipulates within in the job advert above that the hiring company is looking to or able to sponsor applicants it is deemed that the hiring employer will only consider applications from those able to comply with and work in the country where the role is based.













