Manager – Severe Accident and Containment Systems in Cheshire, Warrington

Location: Flexible (UK‑based, hybrid working with travel to Warrington, Derby and Manchester as required).

Mission: Delivering one of the UK’s most ambitious clean energy programmes. Our Small Modular Reactor design will provide reliable, low‑carbon power at scale, combining cutting‑edge engineering with the highest standards of safety, security and regulatory compliance.

Team & Role: You will join the Reactor Safety Systems function within Engineering, responsible for systems that ensure plant safety and the confinement of radioactive materials. As Severe Accident and Containment Systems Lead you will design and deliver containment and severe accident systems, ensuring solutions are technically robust, fully integrated and compliant with regulatory expectations.

Responsibilities:

• Lead and develop a team of engineers to deliver containment and severe accident system designs.
• Define and manage system requirements while leading structured design activities, including optioneering, assessment and selection of engineering solutions.
• Ensure all design work is delivered in line with configuration control, governance processes and design assurance standards, maintaining compliance and traceability.
• Oversee the production and approval of key engineering documentation, including requirements specifications, design reports and P&IDs, ensuring alignment with best practice.
• Apply systems engineering methodologies to support design substantiation and demonstrate compliance with regulatory expectations, including E3S considerations and ALARP principles.
• Plan and deliver engineering work packages to agreed milestones, managing technical risks, issues and stakeholder interfaces while supporting regulatory and licensing activities.

Qualifications:

• A degree in an engineering or scientific discipline (or equivalent experience) and proven delivery of complex systems design within regulated or safety‑critical industries.
• Experience leading or coordinating engineering teams and delivering programmes to time, cost and quality expectations.
• Strong systems engineering capability, including requirements management, structured design development and design substantiation.
• Experience producing and reviewing engineering documentation such as design reports, specifications and P&IDs within controlled environments.
• Understanding of regulatory frameworks and safety principles, including environmental, safety, security and safeguarding (E3S) considerations and ALARP.
• Strong stakeholder management, communication and problem‑solving skills, with the ability to lead through ambiguity and deliver high‑quality engineering outcomes.

Application Requirements:

• Baseline Personnel Security Standard (BPSS) clearance
• Disclosure and Barring Service (DBS) check
• Basic financial probity check

Pay & Benefits:

• Salary: £60,000 – £78,750, depending on the skills, values and knowledge you bring.
• Performance‑related bonus of up to 12.5%
• Benefits allowance of £2,200, enabling a bespoke package
• Pension: 12% employer and 6% employee contributions
• Holidays: 28 days plus public holidays, with the ability to buy or sell up to 4 days
• Private Medical Insurance – BUPA single cover health care
• Life Assurance – 6x pensionable pay
• One‑off payment of £250 for new starters for home office purchases

Equal Opportunity Employer: We are an equal opportunities employer and welcome applications from all backgrounds. Inclusivity is important to us, and we are committed to fair, supportive and continually improving recruitment practices that ensure everyone can thrive.