Principal Process 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 a number of 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.

Do you want a client‑facing role where you’ll be given the support and autonomy to use your full skill set to solve complex problems? Would you like to be part of a team where there is a genuine opportunity for progression based upon your ability and contribution? Do you want to work on a diverse portfolio which includes nuclear decommissioning, defence, and other exciting energy and infrastructure projects?

If so, our Nuclear;
Defence and Civil division are recruiting Principal Process Engineers to join our fast‑growing team.

The roles are technically focussed and include all stages of front end engineering from feasibility to detailed design. You’ll be involved in multi‑discipline projects and be responsible for liaising with clients to develop the best solutions to meet their needs. Along with producing a range of design and technical documentation, visit client sites as necessary, and pursue and promote further opportunities with the client.

• Responsible for providing quality assurance of others work by surveillance and checking. Chartered status is preferred, although demonstration of progress and equivalent experience will be considered.
• Chartered status with the IChemE or other relevant professional body.
• Lead process engineering aspects of multi‑discipline design projects.
• Possess a broad knowledge of industry standards and legislation.
• Be able to present and defend solutions to complex problems to clients.
• Ensures safety is an integral part of process engineering design.
• Technical chemical/process engineering experience.
• Demonstrable experience in process engineering design.
• Excellent communication skills.
• Ability to adapt and work on multiple projects.
• Client‑facing experience as well as a commercial awareness of FEED projects.
• Able to actively seek input from other engineers, specialists, facility and project team members to improve understanding and deliver fit for purpose solutions.

We are actively recruiting a diverse workforce that is reflective of the communities we serve. We recognise that differences in ability, skills and experience are a strength and encourage applications from people of all backgrounds.

Please be advised that offers for this role are conditional upon obtaining the appropriate level of Security Clearance.

Mott Mac Donald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We…