Senior Technical Planner

Location/s: Glasgow, Altrincham, Whitehaven; 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.

We're looking for a Senior Technical Planner to join our Nuclear;
Defence and Civil team, supporting some of the UK's most significant and complex infrastructure programmes. These are long term, high impact projects that offer the opportunity to be part of something meaningful, shaping the future of the UK's energy and defence landscape.

As a Senior Planner, you'll play a key role in ensuring projects are effectively planned and delivered. You'll be central to driving clarity and structure across our programmes, working closely with the Project Managers, technical and commercial teams to ensure timelines, risks, and resources are all aligned.

You will provide leadership to the team of existing planners, by demonstrating consistency to the planning processes and by helping protect the commercial and delivery interests of the business.

Planning sits at the heart of our project success, and in this role, you will have real influence and visibility from day one.

Key responsibilities and duties include:

• Manage a portfolio of schedules ensuring clear communication of outputs to stakeholders at all levels
• Ensure schedules comply with procedures and best practices
• Apply Earned Value (EV) principles, analyse variances, and recommend mitigation strategies
• Collaborate with lead and management roles to ensure project success
• Optimise schedule structures and implement improvements
• Apply change control measures (ideally within the NEC contract model)
• Conduct schedule integrity checks, assess critical paths, and communicate key issues
• Work closely with cost engineers, project managers, and control managers to underpin EACs
• Develop and maintain resource-loaded schedules, applying rules of credit where required
• Use Bentley Synchro, Primavera P6, and BIM models to create and present detailed project plans
• Ensure project plans capture full scope, identify risks and opportunities, and uphold Health & Safety standards

Requirements:

• Experience in planning, developing detailed resourced schedules, and applying EV techniques on engineering projects
• Expertise in Primavera P6 and managing a portfolio of schedules
• Strong communication skills to engage with…