A unique place to grow your career

Blend personal growth and professional development with purposeful work.

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

Our Technical Risk Specialists deliver specialist quantitative risk analysis and modelling services to support informed, risk-based decision-making across our complex programmes and projects. This job ensures the effective implementation of the Sellafield Risk Management Framework by providing integrated cost and schedule risk analysis, enabling the organisation to achieve its objectives safely, efficiently, and with confidence. They also build organisational capability through training and support.

Key responsibilities

• Deliver integrated cost and schedule quantitative risk analysis models using specialist tools (Safran Risk, Primavera Risk Analysis) to provide accurate risk forecasts that inform decision-making across Programmes and Major Projects.
• Peer Review and assure risk models of the highest complexity for Programmes and Major Projects to confirm compliance with governance standards, validate assumptions, and ensure outputs are robust and credible.
• Validate and assure input data quality for risk models, including cost, schedule, and logic integrity, to guarantee fitness for purpose.
• Produce clear, actionable risk analysis outputs and reports that enable stakeholders to understand risk exposure and make informed strategic and operational decisions.
• Act as a subject matter expert for quantitative risk analysis and modelling software, providing technical guidance on Safran Risk, Primavera Risk Analysis, and their integration with Primavera P6.
• Coach, mentor, and train colleagues and stakeholders in risk modelling principles, tools, and best practices to build capability across the organisation.
• Provide expert challenge and assurance on risk modelling activities across projects and programmes to maintain integrity and compliance with governance requirements.
• Lead and contribute to community of practice forums to share knowledge, promote continuous improvement, and embed best practices in quantitative risk analysis.

Your Skills and Qualifications

• Significant expertise in quantitative risk analysis (QRA), including integrated cost and schedule risk modelling for large, complex projects.
• In-depth technical knowledge of risk modelling software, specifically Safran Risk and Primavera Risk Analysis (Pertmaster), and their integration with Primavera P6.
• Strong understanding of project controls disciplines (planning, estimating, cost control) and how they interface with risk modelling.
• Proven experience in peer reviewing and assuring risk models for major projects, ensuring compliance with governance and quality standards.
• Ability to interpret and present complex risk outputs to inform decision-making at senior levels.
• Facilitation skills for risk workshops and stakeholder engagement, from technical teams to senior management.
• Coaching, mentoring, and training capability to develop risk modelling skills across the organisation.
• Excellent analytical and problem-solving skills, with attention to detail and ability to challenge assumptions constructively.
• Strong communication and influencing skills, able to articulate technical concepts clearly to non-specialists.
• Experience working in safety-critical, highly regulated environments, ideally within nuclear, infrastructure, or similar sectors.

Desirable:
• Membership of a relevant professional body (e.g., IRM, APM, IOSH).
• Degree (minimum 2:2) or equivalent in a relevant discipline (e.g., engineering, project management, risk management).
• Experience supporting cross-organisational initiatives, such as NDA estate-wide risk modelling or community of practice forums.
• Knowledge of emerging risk management tools and techniques, and ability to implement improvements.
• Experience in change management and embedding risk-based decision-making culture.
• Background in major project delivery, with understanding of interdependencies and interfaces across programmes.
• Experience in coaching and capability development within a professional framework.

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 10% – 15%, 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-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/

Sellafield Ltd is a unique place to grow your career, offering a remarkable blend of role variety, job security, personal growth, professional development, and truly significant work. This is your opportunity to tackle some of the biggest challenges in the nuclear, infrastructural and engineering worlds and create a clean and safe environment for generations to come. Explore Sellafield Ltd today.

Additional Information

• The closing date for this vacancy is Sunday 28th June 2026.

• 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.

• 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.

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

• 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 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.