Job Description

An exciting opportunity has become available to join the IWM team as a Senior Strategy Advisor. In this key role, you’ll lead and deliver a number of high-impact work packages across the enterprise helping to shape and drive strategic initiatives that make a real difference.

The IWM team is split into three different areas which covers:
– Higher Activity Waste (HAW).
– Lower Activity Waste (LAW)/ Controlled Waste.
– Effluents.

Principal Accountabilities

The role advertised will involve working closely with the Senior Strategy Mangers who are responsible for providing strategic assurance to the Site Strategic Authority. The role includes leading the development and maintenance of key waste strategy information including the Sellafield Ltd Waste Management Plan (WMP) and Integrated Waste Implementation Plan (IWIP).

The role incumbent will develop breadth of understanding across the entire waste management system, where appropriate collaborating across the NDA Group to support optimising waste management pending disposal and will become / work towards becoming a strategy subject matter expert within the IWM team.

Furthermore, the deliverables offer an opportunity to gather evidence for registration / chartership with professional bodies such as The Royal Society of Chemistry (RSC) and the Institution of Chemical Engineers (IChemE) (not an exhaustive list).

As a Senior Strategy Advisor, you’ll deliver expert guidance and strategic insight to a diverse range of stakeholders, driving forward key objectives that align with the vision for IWM within the Site Strategy team. You’ll be instrumental in shaping future direction, influencing decision-making, and delivering tangible outcomes that support long-term sustainability and innovation.

The role is primarily office based and can be located at either Hinton House (Risley) or Albion (Whitehaven). Agile working is supported with the expectation that the majority of time is spent within an SL workspace.

Please note this vacancy is only open to those who are in the Technical profession.

Essential Skills

• Demonstrated delivery of technical / strategic work at the appropriate grade.
• Knowledge of Sellafield Site Strategy.
• Understanding of how value stream strategies / strategic implementation approaches support progression of strategic outcomes.
• Ability to think creatively and holistically about the interconnected systems supporting waste management.
• Experience developing underpinning to strategic / tactical decisions Excellent communication skills.

Desirable Skills

• Involvement in decision management.
• Experience working with external stakeholders and regulators.

Additional Information

• Open VN
• Number of Vacancies: 1
• Contact/s: Andrew Burrows

The interviews for this vacancy are expected to be on 29th January 2026.

Please note this vacancy is only open to those who are in the Technical profession.

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 GCSE in English, Maths & Science/IT or equivalent / higher qualification.

If you choose to apply for this role and your application is shortlisted by the hiring manager, you will be invited to a competency based interview. In the interview, you will be assessed against the below competencies:

Behavioural:
1. Drive for Results
2. Collaboration and teamwork
3. Effective communication Additional if applicable

Technical
1. Knowledge of Sellafield Additional if applicable

Please see link to the competency framework for further information:
https://slportal.ssa-intra.net/pub/SC001/00027/Competency%20Framework/Forms/AllItems.aspx

If your technical competency is not in the above framework, please refer to the profession’s share point page for further information.

During the interview, you will also be expected to give a 10 minute presentation on
The Strategy Cascade Model: How is strategy translated into tactical execution.

This presentation should be sent to recruitment@sellafieldcloud.co.uk via email at least two working days before your interview. You should also take four paper copies of your presentation to your interview in case of any IT issues on the day.

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 11th Janurary 2026