Project Manager - Civils

Amentum; Leiston; On-site; GBP 75,000 - 110,000; Full time

Job summary

Amentum, UK, is seeking a Project Manager for the Sizewell C civil works programme to deliver multi‑discipline projects safely and on schedule. You will lead cross‑functional teams, coordinate design and procurement, and manage interfaces across the project lifecycle.

The role requires Chartered status or equivalent PM expertise, with a strong background in nuclear or large industrial projects, and a focus on safety and delivery excellence.

Qualifications

• Degree and Chartered status in Project management, Construction, Civil engineering, or other relevant discipline.
• Experience managing major projects from concept to handover in a technically complex, safety-focused environment.
• Success coordinating multi-disciplinary design/procurement work and driving teams to deliver on time.
• Background in mechanical, electrical, process, systems or civil engineering for large industrial plants.
• Procurement and management of complex contracts.
• Control of costs, risk, schedule and change; proficient with Earned Value tools.
• Project management or project engineering from concept to handover.
• Close out of commercial claims and negotiations.

Responsibilities

• Take a global overview of the nuclear power plant SSCs within the programme.
• Timely delivery of engineering studies by the RD or by key contractors and for ensuring they meet SZC needs.
• Prepare post-FID contracts (terms, appendices, and technical specs).
• Drive site‑specific design changes into the design deliverables.
• Manage internal and external interfaces to ensure coordinated design and delivery.
• Early engagement with stakeholders to identify obsolescence issues and other risks.
• Manage the technical elements of procurement for specific contracts.
• Ensure lessons‑learned are captured as business as usual.

Skills

Project management

Coordinate multi‑disciplinary teams

Stakeholder engagement

Risk and change management

Safety and environmental compliance

Contract management

Cost control

Education

Degree with Chartered status in PM/Construction/Civil engineering

Tools

Earned Value tools

Procurement management

Job description

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values diversity, and ethical excellence, this is the place where your ambition can thrive.

Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. If you're ready to join a team that values your unique perspective and is committed to your safety, well-being, and professional growth.

About The Opportunity

Nuclear Power Programmes is one of the newest Business Units and has been formed with the vision to support positive change and help shape the future of Nuclear Power.

Operational throughout the UK and across continental Europe, we are seeking to expand our team on a variety of nuclear projects, which range in technologies and that find themselves at different stages of their development. To do this, we are seeking to continuously employ talented individuals to join our diverse team that are excited about nuclear projects and are committed to Net Zero, and Energy Security.

In both client facing and internal roles we are delivering major programme and project management capabilities throughout the project lifecycle. We are driving to deliver safe, high quality and to time solutions by thinking innovatively and working collaboratively.

Working on Sizewell C as a Project Manager you will develop the skills and core nuclear understanding to be successful in the New Nuclear industry. You’ll be positioned to benefit from the near and long-term trend for Nuclear power providing the baseload to global energy needs. As a new Business Unit, you’ll be joining at a time of innovation and change, with opportunity to put your mark on the business and for this contribution to be recognised.

The Civil Works Programme comprises a series of projects that will be delivered over a 10-year period. Each element of the scope has been assigned to a combination of participants that will be responsible and accountable for the delivery. Key responsibilities will be:

• Take a global overview of the nuclear power plant Systems, Structures and Components (SSCs) within their programme.
• Timely delivery of engineering studies by the RD or by key contractors and for ensuring they meet the needs of the SZC project.
• Prepare with the multidisciplinary team specific post-FID contracts (terms & conditions, contractual appendices and technical specification).
• Drive the implementation of site‑specific design changes into the design deliverables in their programme.
• Manage internal interfaces (between contracts and systems) and external interfaces (between programme scopes) to ensure a coordinated approach to design and delivery.
• Early engagement with stakeholders (including equipment suppliers) to identify obsolescence issues and other risks to replication.
• Manage the technical elements of the procurement process for specific contracts.
• Ensure that lessons‑learnt and knowledge‑capture are practiced as business as usual.

Here’s What You’ll Need

• Degree and Chartered status in Project management, Construction, Civil engineering, or other relevant discipline.
• Demonstrated knowledge and understanding of Project Management and working knowledge and management experience of construction activities.
• Experience of managing major projects from concept to handover, throughout the project lifecycle within a technically complex and dynamic environment whilst ensuring high levels of safety, security, and environmental responsibility.
• Success coordinating multi-disciplinary design/procurement work and driving design/procurement teams to deliver on time
• Background in mechanical, electrical, process, systems or civil engineering for large industrial plants
• Procurement and management of complex contracts,
• Control of costs; risk; schedule and change and proficient in the use of Earned Value tools,
• Project management or project engineering experience, from concept to handover
• Close out of commercial claims and the associated negotiations.

Our Culture

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centered on inclusion and diversity.

We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility, please visit www.vercida.com to view and access our roles.

As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

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