Building Architectural Contract Engineering Lead - Nuclear New Build in London

Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition.

The project: 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 megaprojects 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 SZC 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.

The role leads the end‑to‑end design delivery of SZC2203 and SZC2205 buildings, ensuring technical quality, safety and programme certainty. Working with multidisciplinary specialists and external designers, it manages scope, plans design activities and drives risk mitigation to progress each facility from basic to detailed design within the Technical Directorate.

You’ll be responsible for:

• Managing design delivery to meet programme, quality, safety and technical requirements.
• Coordinating multidisciplinary teams and maintain strong stakeholder engagement.
• Overseeing contract design scope, risk mitigation and configuration control.
• Ensuring consistent, compliant and timely design outputs across all workstreams.
• Acting as responsible designer, managing design strategies, specifications and contract documentation.
• Managing technical management, surveillance and assessment of contract partner outputs.
• Driving schedule alignment, gateway reviews, constructability inputs and interface resolution.
• Supporting change control, risk management, and provide specialist advice across buildings and disciplines.

You’ll need to have:

• Degree in engineering with strong design management experience on complex, multidisciplinary projects.
• Solid knowledge of UK nuclear regulations, safety constraints and security requirements.
• Proven understanding of UK building standards, RIBA stages and technical design procedures.
• Strong technical, organisational and communication skills with proficiency in engineering software.

Our values:

• Safety first - Going home safe and well: We champion a safe, diverse and inclusive working environment, understanding the importance of wellbeing in every team.
• Client focus - Deliver on our promise: We own the quality of deliverables, strategic outcomes and build long term relationships with our clients.
• Integrity - Always do the right thing: We influence positive outcomes within our industry, while always aligning with our compliance obligations.
• Create opportunity - For our people to excel: We champion a continuous improvement culture throughout all activities, inspiring our people and teams to develop.

Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all the criteria, please apply as you may still be the best candidate for this role or another role within our organisation. We are also open to discussing part time, flexible, and hybrid working options if suitable within the role.