Responsible CS&A Engineer for TR&S Replacement Cooling System Project

Sellafield; Warrington; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Annual bonus up to 10-15%

Pension scheme - Defined contribution

28+ days leave

Cycle to Work

Job summary

Sellafield Ltd in the UK seeks a CS&A Responsible Engineer for a Major Project. You will lead CS&A engineers through design, procurement, construction and commissioning, delivering critical path packages on the TR&S Replacement Cooling Project.

The role requires proven leadership in a highly regulated environment, strong design process knowledge, and the ability to deliver to schedule while maintaining safety and compliance across Risley and Sellafield sites.

Qualifications

• Academic and professional qualifications are essential for CS&A delivery.
• Strong experience in regulated nuclear/environmental projects is required.
• Evidence of delivering CS&A scope across project phases and meeting cost/time/quality targets.
• Demonstrable leadership and responsibility for resource decisions.

Responsibilities

• Lead a team of CS&A Engineers delivering critical path packages.
• Support project through design, procurement, construction and commissioning.
• Coordinate definition and delivery of design solutions across Risley and Sellafield sites.

Skills

Engineering delivery

Team leadership

Regulated environment

Project delivery

Nuclear safety awareness

Management System knowledge

Commercial awareness

Verbal and written comms

Education

HNC or equivalent

MEng preferred

ICE/IStructE membership

CPD evidence

SR0698 training

Tools

BIM

3D design tools

CAE systems

Job description

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

The role is that of CS&A Responsible Engineer for a Major Project. As the TR&S Replacement Cooling Project is inflight and is schedule driven it is essential that the successful candidate has demonstrable knowledge of design processes and an excellent record of project delivery in order to minimise the learning curve which otherwise could be detrimental to maintaining project schedule.

The candidate will be required to lead a team of CS&A Engineers delivering critical path engineering packages. The role will support the project through design, procurement, construction, and commissioning of the plant.

Successful role holder will be expected to work effectively at both Risley / Sellafield site, and occasionally at contractors and supplier sites to be effective in delivery of their role and responsibilities.

This is a delivery role that falls within EDLP6. This role requires the candidate to lead and coordinate the definition, implementation and delivery of safe, legally compliant, pragmatic, fit for purpose design solutions that meet functional and business requirements. The responsibilities, accountabilities and authorities for a Responsible Engineer can be found in ED21.

Essential & Desirable Skills

Essential Skills & Knowledge:

• Demonstrable engineering experience working in roles in a highly regulated environment where knowledge of engineering is a key attribute.
• Demonstrable experience of delivering significant CS&A scope through various project phases.
• Demonstrable evidence of managing the production of deliverables to time, cost and quality requirements.
• Demonstrable evidence of team leadership and experience of having personal responsibility for decisions involving resources and their consequences.
• Considerable knowledge of Engineering Design Community and key interfaces to deliver nuclear projects to solve problems and deliver innovative solutions.
• Comprehensive knowledge of nuclear safety and security and evidence of appropriate application on projects.
• Knowledge of the Sellafield Ltd Management System structure and the hierarchy of standards with a thorough understanding of those standards most relevant to Engineering Design and experience of applying these appropriately on projects.
• Good commercial awareness.

Desirable Skills:

• Excellent verbal and written communication skills.
• Experience of producing engineering judgements and ALARP justifications in support of Engineering substantiation.
• Good working knowledge of BIM, 3D design tools and CAE systems as appropriate to delivery of complex designs.

Your Skills and Qualifications

Academic & Professional Qualifications:

• Minimum HNC, preferred MEng or equivalent in relevant discipline.
• Professionally registered with ICE, IStructE or similar CS&A related Professional Institution and demonstrable evidence of being at equivalent to Incorporated Engineer status in relevant discipline (minimum).
• Chartered Engineer status with the ICE, IStructE or similar CS&A related Professional Institution (preferred).
• Meeting the Continuing Professional Development (CPD) requirements of their Professional Institution.
• Evidence of completed training in accordance with requirements of SR0698.

Please note evidence of qualifications is essential to support your application.

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 Monday 14th September 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 [e-mail]
• 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.