Principal Commercial Manager

Glasgow or Altrincham, UK

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.

As our team continues to grow and take on new projects, we are looking for a Commercial Manager to join our Nuclear:
Defence and Civil division. This is an exciting opportunity to contribute to high profile defence and nuclear new build projects, playing a key role in their commercial success. You’ll be part of a forward-thinking and inclusive team, helping to shape project initiatives while growing your career in an organisation that prioritises professional development and growth.

• Lead commercial risk management while identifying opportunities through strong commercial bidding and project management, ensuring compliance with company policies and directives
• Maintain a customer‑focused approach, fostering relationships and continuously developing commercial awareness
• Oversee commercial aspects of bids and project controls, ensuring financial and contractual integrity
• Provide strategic commercial input to Account Leaders on specific bids and projects while supporting the General Manager on broader commercial matters, including overhead management

• Senior‑level commercial experience in consultancy and/or contracting
• Proven ability to build and maintain strong internal and external relationships, working collaboratively across teams, including project professionals, business partners, and clients
• Strong leadership and influencing skills with the ability to set the standard and lead by example
• Experience in dispute management and handling commercial claims
• A track record of ensuring robust commercial governance throughout both bid management and project delivery phases

If you’re ready to take on a role where you can make a real impact, work on innovative projects, and grow within a supportive and ambitious environment, we’d love to hear from you.

If you meet 80% or more of what we’re looking for, please still apply. We understand not everyone will meet all the requirements, but you might have skills we didn’t know we need.

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

Mott Mac Donald Ltd. are not…