Job Description

The purpose of the Portfolio/Business Advisor is to support the provision of quality information, intelligence and analysis to the portfolio governance bodies to enable timely and informed decision making to support a specific business area (variance in size and complexity) in the successful achievement of directorate or departmental objectives.

Principal Accountabilities

• Compiles, collates, interprets and flags issues on performance reports and assures their content putting the information in to context against overall deliverables to support directorate or departmental decision-making.
• Leads the development of the Delivery Plan on lower complexity areas and supports the Business Manager with development of the plans for high complexity projects/areas.
• Delivers baseline management activities through the full lifecycle, developing trends, CCRs & presenting at local & divisional committees. Manages the stakeholder engagement required for successful implementation.
• Pro-active stakeholder engagement to ensure understanding of the business area context, deals with challenges and queries on management information and escalates complex issues.
• Attends the EACs when relevant to gather appropriate management information for high complexity areas, providing challenge where necessary.
• Provides professional portfolio/business management advice and guidance to key stakeholders by being the focal point of contact in a team, ensuring there is an alignment between policy and practice.
• Supports the development and maintenance of resource demand plans through regular sharing of information and intelligence on changes to the baseline plan and Delivery Plan.
• Provides support into governance meetings, developing agendas, calendars of business, terms of reference and undertaking effectiveness reviews, taking an appropriate record and tracking actions.

Essential Skills

• Ability to present accurate information to high standards in a variety of formats to timescales.
• Qualification in a relevant professional area or with relevant work experience.
• Good communication skills with the ability to summarise technical and / or complex data.
• Good budget management skills with the ability to understand and highlight key points.
• Good analytical skills with the ability to understand potential impacts of trends and patterns
• Good relationship building skills and experience of acting as the first point of customer contact.
• Ability to deal with uncertainty and change and to be comfortable working in a wide variety of environments.
• Actively contributes to discussions and shares perspectives to aid fuller understanding of issues.
• Good information gathering skills with the ability to interpret the data and understand when to escalate.

Desirable Skills

• Experience within a similar environment including experience of providing a support service.
• Formal Business, Programme or Portfolio qualification (MOP, MSP etc.).
• Experience in baseline management, performance reporting and lifetime plan build.

Additional Information

• 12 Month Secondment.
• Band 4B/4C will be considered as an opportunity for learning and development.
• Number of Vacancies: 1
• Contact/s: Louise Watson

The interviews for this vacancy are expected to take place Monday 23rd November 2026.

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.

Contracted Supply Workers (CSWs) are not eligible to apply to internal vacancies. CSWs are welcome to apply to external vacancies advertised on our external vacancies board.

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

Behavioural:
Problem Solving – 1.3.
Commitment to Standards – 1.5.
Collaboration & Team Work – 1.6.
Effective Communication –3.2.

Technical:
Business Planning – 32.1.
Managing and retrieving information – 316.2.

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.

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 Monday 9th November 2026.