Interface Oversight Project Manager

Sizewell C Company; Greater London; Hybrid; GBP 75,000 - 85,000; Full time

Benefits offered by this job

CIP bonus up to 5%

28 days holiday + bank holidays

Pension up to 7.5% employee/15% 0emloy

Ongoing professional development

Other lifestyle benefits

Job summary

Sizewell C is seeking an experienced Interface Oversight Project Manager to coordinate interfaces across major delivery programmes on a nationally significant £20bn+ infrastructure project. You will work with Programme Leads, Senior Project Managers, PMO teams and delivery partners to ensure interfaces, dependencies and project information are effectively managed, aligned and communicated.

Based in London with 2-3 days on site and travel to Suffolk, the role requires experience on large-scale

Qualifications

• Experience on major infrastructure, construction, engineering or capital projects.
• Strong stakeholder management and influencing skills.
• Excellent communication and relationship-building ability.
• Experience working within complex project environments.
• Strong analytical and data interpretation and problem solving skills.

Responsibilities

• Lead and coordinate interfaces across major delivery programmes.
• Drive collaboration between teams, functions and stakeholders.
• Monitor risks, dependencies and delivery performance.
• Produce interface reporting and performance insights.
• Support governance and continuous improvement initiatives.
• Build key relationships across the project and influence senior stakeholders.
• Work with other teams to enhance interface management processes.
• Support recruitment activities as the Interface Management function grows.

Skills

Stakeholder management

Communication

Risk management

Analytical thinking

Cross-functional collaboration

Interface management

Education

Relevant professional qualification or equivalent experience

Tools

Power BI awareness

PMO experience

Project Controls

Job description

Sizewell C's business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards' principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.

Sizewell C is economically regulated by OFGEM under the RAB model similar to other UK electricity distribution networks and Thames Tideway.

Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C's ambition.

Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure.

Interface Oversight Project Manager / Integration Project Manager

Location: Sizewell C, London (2-3 days a week) with occasional travel to Suffolk.

Contract: Permanent, full- time.

Salary: £75,000 - £85,000 -dependent on experience.

Benefits:

• Up to 5% CIP bonus
• 28 days holiday, plus bank holidays
• Contributory pension of up to 7.5% employee/15% employer
• Ongoing professional development
• Other lifestyle benefits

Closing date: Thursday 15 October 2026

Help Deliver One of the UK's Largest Infrastructure Projects

Sizewell C is looking for an experienced Interface Oversight Project Manager to play a key role in coordinating interfaces across major delivery programmes on a nationally significant £20bn+ infrastructure project. This is a highly visible role where you'll work with Programme Leads, Senior Project Managers, PMO teams and delivery partners to ensure interfaces, dependencies and project information are effectively managed, aligned and communicated.

What You'll Be Doing

• Lead and coordinate interfaces across major delivery programmes
• Drive collaboration between teams, functions and stakeholders
• Monitor risks, dependencies and delivery performance
• Produce interface reporting and performance insights,
• Support governance and continuous improvement initiatives
• Build key relationships across the project and influence senior stakeholders
• Work closely with other teams to enhance interface management processes
• Support the future growth of the team, including recruiting Interface Engineers
• Participate in recruitment activities, interviewing new team members as the Interface Management function continues to grow.

What We're Looking For

• Experience on major infrastructure, construction, engineering or capital projects
• Strong stakeholder management and influencing skills
• Excellent communication and relationship-building ability
• Experience working within complex project environments
• Strong analytical and data interpretation and problem sovling skills
• Ability to work across multi-disciplinary teams
• Resilient, proactive and solution-focused approach
• Relevant qualification or equivalent professional experience

Desirable

• Interface Management experience
• Power BI awareness
• PMO, Project Controls or Programme Management experience
• Experience within a regulated environment

Why Join Sizewell C?

This is a unique opportunity to help shape the delivery of one of the UK's most important infrastructure projects while developing your career in a complex and rewarding environment.

Key Competences

Humility

Recognise the value brought from different cultures and experiences.

Be open to other's points of view and ideas, be willing to debate and to compromise.

Positivity

Positively challenge poor quality and performance.

Identify solutions at the lowest possible level.

Encourage tier 1s and others to bring new ideas forward.

Respect

Value the rules and environment in which we operate.

Give and receive feedback with respect.

Embrace and engage with new people and ideas.

Solidarity

One team, working closely together and helping each other.

Empowered teams always looking forward.

Shared responsibility for delivery the project outcomes.

Clarity

Communicate clearly and consistently.

Promote collaboration and team alignment.

Clearer and faster decision making.

When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the provision of a number of support services whilst we complete a successful transition out of the EDF group.

At Sizewell C we encourage and embrace diversity and how it can improve our experience and performance at work. It is a requirement that those who join us have the right to work in the UK. Whilst sponsorship may be a possibility that we can explore, we are fully committed to local recruitment where possible, and those already holding the right to work in the UK.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years