Senior Planning Manager

Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey.

Hinkley Point C is helping to secure the UK's low-carbon energy future, delivering reliable, affordable electricity to millions of homes for generations to come. As part of this nationally significant programme, you'll join a world-class team driving innovation, collaboration and excellence across every stage of delivery. This is a unique opportunity to contribute to a project of unprecedented scale and complexity, while developing your career in an environment where your expertise, leadership and ambition can make a lasting impact.

The project: The Technical Planner provides essential support to the HPC Planning team by ensuring that planning processes, tools, and standards are clearly defined, effectively maintained, and consistently applied across the project. The role supports the stability, reliability, and continuous improvement of the integrated planning environment, contributing directly to schedule quality, process compliance, and stakeholder confidence.

As the project continues to grow in scale and complexity, the planning environment must evolve to meet new challenges and deliver deeper analytical insight. The technical Planner helps to guide and support this evolution, ensuring that systems and processes develop as required while remaining structured, controlled, and transparent.

You’ll be responsible for:

• Owning all aspects of the planning process including the integrated programme, critical paths, client programmes and the analysis and acceptance of contractor programmes.
• Ensuring cost loading of programmes to the appropriate level of cost and progress capture.
• Analysing contractor programmes and provide feedback to project management including run rates, schedule risks and mitigation measures/opportunities.

You’ll need to have:

• Primavera P6 expertise, managing configuration, performance, users and data integrity.
• Strong planning governance knowledge, supporting baselines, change control and reporting cycles.
• Analytical and detail‑focused, assuring data quality and process compliance.
• Process‑driven communicator, documenting, improving and embedding standards.
• Experienced in complex projects, supporting audits, lessons learned and continuous improvement.
• Confident systems user, including Excel, SharePoint and project controls tools.

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 with-in the role.

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