️ About Assystem

At Assystem, our mission is to accelerate the energy transition worldwide. With over 7,500 Switchers, we combine engineering expertise, project management, and digital innovation to deliver tomorrow’s energy infrastructure. In the UK, we are proud to be part of landmark nuclear projects including Hinkley Point C, Sizewell C and pioneering Small Modular Reactors (SMRs). Together, we are shaping a cleaner and more sustainable future.

Why Join the Community of Switchers?

Joining Assystem means becoming part of one of the world’s top three nuclear engineering companies. You’ll work on high-profile projects in an environment that values innovation, collaboration, and professional growth. Here, your expertise contributes directly to building the UK’s clean energy future while developing your own career on complex, large-scale engineering challenges.

Job Description

The Job Mission
This is a hybrid role, open to those within commutable distance of Bridgwater or willing to relocate with support from a small relocation allowance.

As a Senior Configuration Engineer (Plant Integration), you’ll ensure engineering designs and project baselines are correctly replicated, adapted, and controlled for a new large-scale power project. Working with international teams, you will help deliver robust processes that guarantee design accuracy and alignment with project requirements.

• Develop and maintain project-wide configuration procedures and standards
• Oversee replication of existing design into the new project’s requirements
• Support the Configuration Manager in setting up and guiding the project team
• Produce procedures for managing design changes and field requests
• Deliver training and create supporting materials for project teams
• Define and track KPIs to monitor process efficiency and compliance
• Produce configuration reports, audits, and process self-assessments
• Collaborate with UK and international stakeholders to resolve integration issues
• Act as the reference point for configuration and replication management

My profile

Essential Skills and Qualifications

• Bachelor’s or Master’s degree in Mechanical, Nuclear, or related Engineering discipline
• Proven configuration management or technical integration experience
• Strong stakeholder engagement and communication skills
• Ability to deliver against commitments and deadlines
• Leadership qualities with a proactive approach to problem-solving
• Experience on major industrial or infrastructure projects (energy, oil & gas, steel, etc.)
• Knowledge of configuration management in a highly regulated environment
• Familiarity with large engineering design and construction processes
• Experience developing KPIs and reporting methods
• Ability to create training materials and deliver technical sessions

Be part of a once-in-a-generation engineering project that will transform the UK’s energy landscape. This is a unique opportunity to develop your career in a supportive team while contributing to one of Europe’s most ambitious energy programmes.

Benefits include:
Hybrid Working Opportunity
Flexible working hours
️ Pension scheme (8% company contribution / 4% personal contribution)
️ 25 days’ paid annual leave + bank holidays + option to buy or sell days
Professional fees reimbursed
Employee referral scheme
Competitive Sick Pay – Support when you need it
Income Protection & 3x Salary Death-in-Service Cover
Free Digital Gym Access – Expert-led fitness classes
24/7 Employee Support Line – Mental health, financial & legal help

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.

Are you a prospective or recent graduate?

Assystem offers you the opportunity to join our Switch to Grow UK Graduate Scheme, where you’ll gain hands on experience in engineering, digital services, and project management by working on some of the world’s most critical energy projects.

Be part of the challenge of the century; accelerating the switch to low carbon energy!