Principal Civil​/Structural Engineer

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Mott Mac Donald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.

We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.

Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued.

Whatever your ambition, Mott Mac Donald is where people come to be brilliant.

The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.

Our Nuclear, Defence and Civil team in Whitehaven is continuing to grow, and we are looking for a Principal Civil / Structural Engineer to join us. This is an exciting opportunity to be part of a collaborative and expanding team, delivering some of the UK's most complex and impactful projects across the nuclear, defence, energy and wider infrastructure sectors.

Working alongside multidisciplinary teams, you will play a key role in delivering innovative and sustainable solutions for our clients, while supporting major programmes both locally and across the UK and Europe. With a strong and growing pipeline of work, this role offers excellent opportunities to develop your career, take on leadership responsibilities, and make a meaningful contribution to projects that shape communities and support critical national infrastructure.

Key responsibilities and duties include:

• Lead and contribute to projects at all stages, from feasibility and concept design to detailed engineering, planning support, construction, and commissioning
• Collaborate on multi-disciplinary projects, working closely with colleagues across Mott Mac Donald and engaging with external clients and stakeholders to develop cost-effective infrastructure solutions
• Oversee and/or undertake civil engineering design and checks for a wide range of energy, defence, and infrastructure projects
• Prepare high-quality technical documentation, specifications, and minimum functional requirements for civil engineering aspects of projects
• Conduct civil inspections of infrastructure assets across the UK to support asset maintenance and life extension, producing detailed reports and recommendations
• Provide strategic and technical advice to clients, ensuring solutions align with their project needs and objectives
• Undertake site and client office visits, as required by project demands
• Maintain strong client relationships, ensuring satisfaction while identifying and promoting opportunities for future collaboration
• Develop, monitor, and manage project schedules and costs, ensuring deliverables are met
• Support project management, control, and administration, in line with your experience level
• Play a key role in…