At Sellafield Ltd, we are harnessing our expertise; bringing together world-class skills and innovative technology to solve complex nuclear, infrastructure, and engineering challenges. By joining Sellafield Ltd, you join an amazing team of people, from all walks of life, where you can thrive in a connected, considerate culture of innovation, collaboration, and community; and play a significant part in the UK’s sustainable nuclear future.
The challenges we face are amongst the most complex anywhere in the world. We are using advanced technologies to shape, create and advance the world’s nuclear decommissioning knowledge and capability. That’s why our work is driven by people with a passion for problem-solving and innovation.
About the role
The Senior Buyers will be part of teams managing the Decommissioning Nuclear Waste Partnership (DNWP) and the Infrastructure Delivery Partnership (IDP), two of the largest contracts awarded in the last decade. These are 15-year strategic partnerships worth a combined £6.9Bn that were awarded in October 2025. You will be part of a small team that manages the framework agreements. This is an exciting time to join the teams as we mobilise and transition the new frameworks, establish ways of working and build relationships with the supply chain. As such, experience in supply chain and contract management is essential to develop and implement solutions that maximise value, drive performance, and support business objectives.
Key responsibilities
To establish, collate and conduct the initial analysis with regard to the forecast of demand requests, challenging demand requirements to ensure that the correct/compliant procurement route is used and assist in market research and engagement to ensure value for money sourcing is achieved
To provide varying degrees of support to the management of sourcing, assessment, selection and award of contracts of low to medium value/ complexity/risk dependent on grade including, to ensure value for money procurements are undertaken.
To support the production of/produce non-complex contract strategies, and ensure compliance with Commercial Function policies, procedures and governmental requirements so that commercial risks are identified and mitigated dependent on grade. With support, draft strategies for complex contracts of relatively high value and/or commercial risk , including relevant cost models
Ensure activities undertaken comply with Commercial Function policies, procedures, legislative and governmental requirements so that commercial risks are identified and mitigated
Ensure value added commercial and financial contract management techniques are used in the management of contracts through to contract close out, in order to drive performance and ensure that contract benefits are fully realised including both monetary savings and soft benefits.
Work collaboratively with internal stakeholders, customers and professional functions, providing external insight, commercial support advice and guidance and support the continued development and embedding of commercial awareness across the business.
To accurately develop/ maintain procurement activity records, reports and data in a timely manner
To provide professional advisory commercial support and guidance to internal customers, taking proactive steps to improve and embed commercial awareness across suppliers/clients/contractors to ensure wider business objectives are met.
Competent in the use of commercial systems and coach others in the use of.
To support and coach colleagues within the Function and business areas where applicable to ensure the transfer of knowledge and skills, therefore contributing to the development of a high performing culture and the delivery of the business, Function and team objectives.
The role holder will take the lead on medium risk procurement activities, as well as supporting the Category Manager in more complex areas. Managing the tender process for contracts within their delegation, and providing a lead support role in the tender process for contracts >£3M at higher grades.
Role holders will be required to have a positive knowledge of procurement processes including Make V Buy and routes to market. In doing so will work collaboratively with the internal stakeholder/ customer and appropriate functions within the business in order to understand/ determine the business need/ fit for purpose solution(s). Working with the Sourcing Team, will actively support the tender process for contracts within own delegation and greater and liaise with the legal team in order to draft appropriate contractual agreements.
They will undertake contract management activities for contracts within their portfolio with support from their line manager in order to drive supplier performance and ensure the realisation of all contract benefits.
The role holder will be expected to identify and support the implementation of continuous improvement opportunities both within the Function and the broader business.
Your Skills and Qualifications
HND/Degree in Business Management, Procurement, Quantity Surveying, Supply Chain Management or relevant discipline OR demonstrable experience in lieu of this
Experience working in procurement/supply covering a broad range of products and services
Working knowledge of the Procurement Act 2023
Membership of Chartered Institute of Purchase and Supply qualifications or other relevant equivalent professional qualification
Understanding/application/working knowledge of relevant legislation and guidelines e.g. NEC 3 terms and conditions
Why us?
At Sellafield Ltd, we are committed to supporting our employees in fulfilling their potential. With 100 years of work in front of us, we offer comprehensive training and development opportunities, enabling you to feel inspired in your role. Whatever area you join us in, you’ll find a genuinely exciting and rewarding career.
Making sure our employees feel supported is important to us. Therefore, to help you get the most out of life in and outside of work, we also offer a range of employee benefits:
You will benefit from an annual bonus of up to 10%, made up of company and personal performance
An attractive defined contribution pension scheme – the company will match up to 13.5% for a 7% employee contribution!
30 days annual leave + bank holidays. Plus, the ability to purchase an extra 2.5 days per year.
The ability to carry over 10 days annual leave each financial year
Paid Sick Leave
Family Friendly Policies – Visit our Rewards & Benefits page to read more
Cycle to Work Scheme
Lifestyle Benefits sasra.co.uk
Learning & Development Opportunities https://careers.sellafieldsite.co.uk/work-with-us/learning-anddevelopment/
Reward & Recognition Policies
Welfare & Employee Assistance Programme
Free Aviva Health App & Annual Health Check
MyDiscounts – Employee Savings & Discounts
MyBenefits – A Charity Giving Scheme
Many, many more! Click this link to visit our Rewards & Benefits page:
https://careers.sellafieldsite.co.uk/work-with-us/rewards-and-benefits/
Additional Information
The closing date for this vacancy is Monday 24th August 2026.
Sellafield Ltd are recognised as a Disability Confident Employer (Level 3). Disability Confident employers offer an interview to disabled applicants that meet the minimum criteria for a vacancy. Sellafield Ltd define the minimum criteria as the ‘essential skills’ which are listed on the vacancy notice. Whilst completing your application form, you will be able to indicate if you wish to be considered under the disability confident scheme. If you would prefer to discuss this directly with us, please contact the GBS Recruitment team on
[email protected]
Please be aware that this role is subject to achieving security clearance. This role requires higher level of National Security Vetting where applicants must typically have 5 or 10 years of continuous residency in the UK. Factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the level of clearance you’re able to achieve.
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