Location
London

Hours
Full Time

Salary
Negotiable

About the Role
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. We are seeking talented Senior Planning Managers to support major defence infrastructure projects in London, working within a high-profile CAT A programme. In this role, you will act as the client’s representative, providing expert programme management oversight, schedule assurance, and governance across complex and sensitive projects. This is a high-impact opportunity to shape delivery outcomes, influence senior stakeholders, and contribute to nationally significant defence infrastructure with precision and professionalism.

You will be responsible for working within project team(s) to provide expert planning and scheduling leadership; collaborating with design and build contractors to develop robust and detailed project schedules; providing governance, oversight, and assurance of contractor schedules ensuring NEC4 compliance; ensuring schedules incorporate all relevant DEO processes and procedures; reviewing, challenging, and approving schedule updates, compensation events, and claims; managing planning across multiple projects simultaneously depending on size and location; interfacing with PMO and portfolio scheduling teams to maintain accurate portfolio-level schedules; supporting negotiations, contract development, and due-diligence activities; contributing to long-term planning strategy within your function or business unit; and building and maintaining strong communication and collaborative relationships with the client and wider stakeholders.

Note: SC Clearance is essential for this role.

Experience
- Eligibility for UK SC security clearance (minimum 5 years uninterrupted UK residency)
- Strong construction scheduling experience with Primavera P6
- NEC4 experience (essential)
- Extensive experience planning and scheduling defence projects or complex programmes
- Strong property or infrastructure project management expertise
- Experience managing relationships with senior project stakeholders

About you
- Professional membership of APM, RICS, CIOB, ICE, AACE, IRM, IEMA, or evidence of equivalent professional development
- Ability to influence and collaborate effectively with senior stakeholders
- High level of professionalism, integrity, and commitment to safety and quality

Qualifications
- Relevant professional qualifications or equivalent experience in planning and programme management within construction or defence sectors