Design Delivery Manager - London, ECR

Location: London or Bristol (minimum 3 days per week) with travel to the Sizewell C site in Suffolk.

Salary: £68,000 - £85,000, dependent on experience.

Benefits include:

• Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
• Bonus:
  Up to 10% annual bonus.
• Pension Contributions:
  Defined Contribution Pension Scheme with up to 7.5% employee contribution 15% employer contribution.
• Flexible Benefits:
  Additional allowance for a variety of benefits.

Closing Date: Monday 5th January 2026

Interviews are expected to take place late January.

The Opportunity...

Are you looking for a career which is rewarding, at the cutting edge of project development and where you can really make a difference? Come and join our expanding Sizewell C (SZC) team and work on one of the most exciting and largest mega projects in the UK, whilst being at the forefront of the UK’s climate change agenda and energy policy.

Following on from the success of Hinkley Point C (HPC), the Sizewell C Project is a nuclear new build project in Suffolk, which has obtained planning approval and Government financing support. The project has started construction and is now seeking private investment. When completed, it will provide dependable electricity to 6 million homes for 60 years, which along with renewables, will support Britain to achieve Net Zero by 2050.

Join Our Team as a Design Delivery Manager with Nuclear Safety Accountabilities.

We are seeking a Design Delivery Manager (DDM) to join our team. The DDM plays a critical role in delivering the design of ancillary buildings and systems for Sizewell C, from basic design through detailed design to site handover. This position carries nuclear safety responsibilities defined in the Nuclear Baseline and includes acting as an Intelligent Customer , ensuring all design activities align with the approved safety case and that suitably qualified personnel are involved.

Reporting to the Head of Technical Contract Management, you will lead a multi-disciplinary team and external designers, managing design configuration and maintaining stability across the project. You will establish and implement the Sizewell C Design Delivery Management operating model, set priorities and provide clear leadership to achieve results. The role requires independent decision-making, strategic planning and resolution of complex engineering issues while ensuring effective configuration control and compliance with nuclear safety requirements.

This is a high-impact role offering the opportunity to shape design strategy, lead a high-performing team and contribute directly to the success and safety of a major nuclear project.

What You Will Do as Design Delivery Manager

As DDM, you'll hold a key leadership position within the Technical Directorate (TD), managing the Design Delivery Management Team and shaping its strategy and operating model. You will be responsible for setting up, implementing and leading this function to ensure successful delivery of design activities for ancillary buildings and electrical systems not covered by the Nuclear Services Agreement.

You will guide the Design Delivery Management team to oversee and accept design management activities and fulfil roles such as Principle Designer and Client/Intelligent Customer. Your focus will be ensuring all design work meets safety, quality, time and cost requirements.

You will build and lead a large multi-disciplinary team drawn from Sizewell C and our supply chain partners, providing guidance and support to achieve project objectives. Leading by example, you'll set the standard for behaviours and values, driving collaboration and excellence across the team.

Skills

• A degree in Mechanical, Electrical, Civil Engineering, or a related technical field
• Proven experience in engineering and programme management within large-scale infrastructure projects.
• Technical and engineering expertise commensurate with acting as the organisation’s authoritative voice on design specifications.
• Extensive experience within the nuclear industry, PWR experience preferred.
• Experience of…