Job Description

Please note to apply for this EOI you must be at grade 3B Upper – 3A Upper.

We are inviting Expressions of Interest for roles within our Nuclear Independent Oversight (NIO) team to be based in West Cumbria.

The Nuclear Independent Oversight team operates on behalf of the Chief Nuclear Officer, providing performance oversight to the CEO and senior corporate leaders – through to the Board of Directors –across the SL facilities, functions and the corporate organisation. Nuclear Independent Oversight provides an essential element of the company assurance arrangements in relation to safe, secure stewardship and accelerated hazard and risk reduction.

These opportunities can be explored on a permanent and secondment basis depending on business requirements, suitability to role and subject to selection/assessment processes.

Principal Accountabilities

Being part of the Nuclear Independent Oversight team offers the opportunity to gain a breadth and depth of understanding of the Sellafield site from a wide range of facilities and processes, through technical and organisational dependencies to key functional areas, strategic and enterprise level considerations. Working within a supportive team with a wide range of expertise and experience, to be considered for these roles, employees must have:
• Expertise in a relevant discipline together with substantive nuclear industry experience.
• Sound understanding and application of Industry and organisational standards and legislative requirements with full understanding of underlying principles.
• Sound understanding of Leadership and governance standards and application of them.
• Performance as ‘meets expectations’ (or equivalent), or above, as a minimum for the last two performance years.
• Demonstrable ability to communicate with and influence stakeholders at all levels outside of own line / organisation, including, but not limited to, Front line staff, Senior Leaders, Regulators, Technical Experts.
• Previous experience of impacting change through Assurance and oversight or demonstrable experience in providing constructive challenge, identifying important issues and escalating effectively, including in high‑pressure or senior‑leader contexts.
• Excellent communication skills – both written (report writing) and verbal.
• Behavioural traits required of NIO inspectors, including operating with integrity credibility and curiosity, being open-minded, outcome-focussed and be able to recognise recurring themes and identify trends and anomalies.

Candidates must also:
• Have or be able to achieve SC clearance (minimum – potentially expanding to DV clearance as required)
• Complete NIO Inspector Mentor Guide and associated training (training and support will be provided).
• Based on West Cumbria and attend site or office-based location for the majority of the working week.
• Full time (or willing to move to full-time contract)

Additional Information

• Open VN
• Number of Vacancies: 2
• Contact/s: Joanne Gracey

If you choose to apply for this role and your application is shortlisted by the hiring manager, you will be invited to a informal discussion with the hiring manager and panel.

ASW’s may have the right to apply for internal Sellafield Ltd vacancies. Please note if you are an Agency Supplied Worker you are required to attach evidence of all qualifications obtained to support your application. We require a minimum of A*-C (9-4) GCSE in English Language, Maths & Science/IT or equivalent / higher qualification.

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

Please ensure that you save a copy of this advert for future reference if you make an application for this role.

The closing date for this vacancy is Wednesday 27th May 2026.