A unique place to grow your career

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.

About the role

We are recruiting for positions providing professional support across Sellafield. Working as part of a customer-focused Service team, you will support the effective operation of business activities through the provision of high-quality administration services, information management, stakeholder support and coordination activities.

This is an excellent opportunity for individuals who are organised, proactive and customer-focused, and who enjoy working in a fast-paced environment where no two days are the same. You will have the opportunity to work across a variety of administrative activities, supporting teams, managers and stakeholders while developing your skills and experience within a professional Service environment.

All roles are full-time, Monday-Friday, and are based on the Sellafield Site or remote offices in the surrounding area.

Key Responsibilities

• Deliver professional administrative support to customers and stakeholders across the business.
• Manage and maintain accurate documentation, records and correspondence in accordance with company procedures and requirements.
• Input, update, retrieve and validate information across a range of systems whilst maintaining confidentiality and data integrity.
• Support the coordination of meetings, appointments, diaries and business activities.
• Act as a point of contact for customer and stakeholder enquiries, providing support or directing requests as appropriate.
• Support visitor and reception activities, ensuring a professional and positive customer experience.
• Produce and distribute business documentation, reports and correspondence as required.
• Manage shared mailboxes and support communication across teams and functions.
• Prioritise workloads effectively to ensure work is completed accurately and within required timescales.
• Support service improvement activities and contribute to the ongoing development of processes and ways of working.
• Promote a safe and secure working environment and comply with company policies, procedures and standards.

Skills, Knowledge and Experience

Qualifications essential to the role are:

• Minimum of 3 GCSEs Grade 4 (Grade C) or above in Mathematics, English Language & 1 Science subject, or equivalents.

Skills essential to the role are:

• A basic understanding of administrative processes and office procedures.
• Competence in Microsoft Office applications including Word, Excel and Outlook.
• Strong organisational skills and attention to detail.
• The ability to follow written and verbal instructions.
• Effective communication skills and the ability to work professionally with a wide range of stakeholders.
• Good customer service skills and a positive, professional approach.
• The ability to manage time effectively and balance competing priorities.
• The ability to work independently and as part of a team.
• Experience carrying out administrative activities whilst maintaining confidentiality.

Desirable skills include:

• Previous experience in an administration, customer service, reception, secretarial or business support role.
• Experience of working with electronic record management systems or databases.
• Knowledge of business administration processes and systems.
• Experience supporting meetings, diary management or stakeholder coordination activities.
• Demonstrates initiative and a willingness to learn new skills and ways of working.

Why us?

At Sellafield Ltd, we are committed to supporting our employees in fulfilling their potential. With having 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 £4k, subject to company 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-and-development/
• 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 Thursday 19th November 2026.

• Applicants successful at shortlisting will be invited to an assessment day on Wednesday 2nd December.

• In the event of a high number of responses to any advert, Sellafield Ltd reserves the right to close the advert early. Once closed, the advert will be removed from our website. We encourage you to submit your application as soon as possible to avoid disappointment.

• Please regularly check your Spam/Junk folders for news about this vacancy, correspondence could contain invitations to interview and other important updates.

• Qualifications As part of the application process, you will be asked to provide evidence of your qualifications. Attaching them at application stage will ensure a smooth process and prevent delays.

• Right to Work in the UK As part of our screening process, all candidates must demonstrate their right to work in the UK. If you are not a UK national, you will be required to provide evidence of your immigration status. This is generated through the UK Government online service via the GOV.UK services below:
- A valid eVisa (digital immigration status) share code https://www.gov.uk/evisa/view-evisa-get-share-code-prove-immigration-status
- A Right to Work share code https://www.gov.uk/prove-right-to-work Applicants who are not UK nationals must provide a valid Right to Work share code and evidence of their eVisa status at the point of application. Applications submitted without this information are not able to be progressed.

• 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.

• 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 recruitment@sellafieldcloud.co.uk