Principal Project Manager

Assystem, Switch On; Bristol; Hybrid; GBP 75,000 - 95,000; Full time

Job summary

A leading engineering company in the UK is seeking a Senior Project Manager to lead a high-performing team on a landmark nuclear project. The role is hybrid, requiring 2-3 days in the office weekly. Candidates should have a degree in Engineering and expertise in project management, risk management, and leadership skills. Competitive salary and benefits offered while playing a pivotal role in the clean energy transition.

Benefits

Competitive salary and benefits

Pension scheme

25 days paid annual leave

Professional development opportunities

Flexible working arrangements

Qualifications

• Proven track record in delivering large-scale projects.
• Experience in working over the full lifecycle of a project.
• Commercial expertise including cost control and resolving claims.

Responsibilities

• Lead multidisciplinary teams to achieve flawless delivery.
• Own budgets, schedules, risk management, and quality assurance.
• Coordinate with stakeholders to navigate complex interfaces.

Skills

Project Management

Risk Management

Leadership

Analytical Skills

Attention to Detail

Education

Degree in Engineering or related field

Professional qualifications like MIMechE

Project Management qualification

Tools

Earned Value Management tools

Job description

⚡️💡About Assystem

Join Assystem, a global leader in engineering and project management, driving the energy transition worldwide. With over 7,750 Switchers, we blend our extensive engineering heritage with cutting‑edge digital technologies to support vital infrastructure projects. Our mission is to accelerate the clean energy transition, and we’re seeking passionate professionals to be part of this journey.

🤝Why Join the Community of Switchers?

As one of the top three nuclear engineering companies globally, Assystem offers unparalleled opportunities to work on some of the most significant nuclear projects in the world. Join our community and be part of a team that’s shaping the future of clean energy, while benefiting from a dynamic, collaborative work environment.

🚀The Job Mission

You will play a crucial role supporting the delivery of the Sizewell C (SZC), a landmark nuclear project shaping the future of clean energy. Be a key player in this multi‑billion‑pound venture – one of the largest and most exciting developments in the UK today.

As Senior Project Manager in a technical programme, you’ll be in the driver’s seat, managing a high‑performing multi‑disciplinary team and overseeing the end‑to‑end delivery of critical systems, structures, and components for a number of buildings and contracts within the technical area.

This is a hybrid role, with approximately 2-3 days based in the London or Bristol office and the remainder of the week working from home, subject to your manager’s requirements.

⚡️Key Responsibilities

From engineering to commissioning, you’ll ensure excellence at every stage by :

Leading Project Managers and multidisciplinary teams to achieve flawless delivery

Owning budgets, schedules, risk management, and quality assurance

Coordinating with internal and external stakeholders to navigate complex interfaces seamlessly

Utilising your technical expertise and leadership to ensure the highest standards in execution and compliance

Ensuring that the LoD are consistent with the agreed schedule(s) and to ensure Contract Partner(s) is delivering design output in accordance with the agreed schedule and the LoD

Coordination of the Task Order preparation for Equipment scope, preparation of Change Requests related to Task Order changes

Anticipate, manage and resolve issues within the contact or package. Identify risks and facilitate the resolution of all issues raised, develop and update the programme budget

Undertake contract administration activities (with support of a Commercial Manager) including variations, Early Warnings, Compensation Events and claims, technical queries and instructions

Managing risks & opportunities, and facilitating the resolution of all issues raised, developing and updating the programme budget, and escalating any issues

Managing design changes and configuration management

Proficient application of estimating, scheduling, programming, risk, and Earned Value Management tools

Ensuring effective engagement with internal and external stakeholders, including interactions between the Programme and other engineering sequences

Applying the principles of Continuous Improvement, ensuring that lessons‑learnt and knowledge‑capture are practiced as business as usual

Qualifications

⚡️ A degree or equivalent qualification in Engineering, Construction or a related field

⚡️ Professional qualifications such as MIMechE and ICE etc.

⚡️ Qualification in Project Management such as APM PPQ or other recognised qualification

⚡️ Proven track record in delivering large‑scale, complex projects

⚡️ Experience of working over the full lifecycle of a project, from initial design through to commissioning

⚡️ Commercial expertise, including managing high‑value contracts, cost control, and resolving claims.

⚡️ Experienced in Risk & Quality Management

⚡️ Proven relevant experience in a Project Management environment in a similar role

⚡️ Technical / practical comprehension of engineering, procurement and construction methods and techniques

⚡️ Hands‑on expertise with Earned Value tools, CDM Regulations, and quality assurance

⚡️Ability to produce accurate, complete and fully logic‑linked construction plans

⚡️ High level of analytical and numerical skills

⚡️ Good attention to detail

⚡️ Ability to influence and collaborate with a diverse range of stakeholders

⚡️ Excellent organisational, leadership and communication skills

Desired Skills

• ️ Experience in the nuclear sector, or other highly regulated environments
• ️ Knowledge and understanding of the EPR design
• ️ Professionally qualified with chartered or equivalent status
• ️ Experience of major construction projects
• ️ Experience of various contract types, in particular the NEC suite and FIDIC
• ️Understanding of earned value analysis
• ️Understanding of various contract types, in particular the NEC suite and FIDIC

Additional Information

🌟Why Apply?

Join Assystem and be part of the energy transition, working on one of the most significant nuclear projects in the world. You’ll gain valuable experience, collaborate with international teams, and play a crucial role in shaping the future of energy engineering.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Benefits Include :

✅ Competitive salary and benefits package.

✅ Pension scheme (8% company contribution / 4% personal contribution).

✅ 25 days’ paid annual leave + bank holidays, with the option to buy or sell additional days.

✅ Professional development and training opportunities.

✅ Flexible working arrangements.

🌟 Join us to shape the future of energy engineering with a global leader in nuclear projects. Apply now and become a part of our innovative team!

#LI-Hybrid

Hybrid remote / in-office

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future