Company Description

About Assystem
At Assystem, our mission is to accelerate the global energy transition. With over 7,500 Switchers worldwide, we combine engineering expertise, project management, and digital innovation to deliver major infrastructure programmes. In the UK, we're at the forefront of landmark projects including Hinkley Point C, Sizewell C, and future Small Modular Reactors (SMRs). By joining us, you'll be contributing to some of the most exciting and important engineering challenges of our time.

Why Join the Community of Switchers?
At Assystem, you'll be part of one of the top three largest nuclear engineering companies in the world. Joining us means working in a collaborative and supportive environment where innovation thrives. You'll be empowered to grow your skills while contributing to cutting-edge projects that have a lasting global impact.

Please note: Due to project security requirements, Unfortunately, visa sponsorship is not available for this position.

Job Description

The Job Mission
This hybrid Process Engineer role is based in Bristol, with three days in the office and two days from home. You will support the replication of fluid system designs across two major nuclear projects. You will help maintain system design stability through analysis, modelling and configuration updates. You will work closely with design, procurement and commissioning teams throughout the project lifecycle.

Responsibilities:
Issuance of replication analysis for fluid system design
Verification of input data, requirements and lessons learned
Development of processes for system design document replication
Component sizing and thermal hydraulic modelling when adaptations are needed
Technical support to procurement teams and suppliers
Updating configuration data and system documentation to reflect changes
Developing technical solutions that support design stability

Qualifications

Skills Required:
Mechanical or Chemical Engineering degree or equivalent
Experience within highly regulated industries or heavy industrial projects
Experience in process, hydraulic, mechanical sizing or I&C
Strong ability to manage workload and produce quality documentation
Clear written and verbal communication with UK and EU teams
Confident working with remote and international engineering stakeholders

Additional Information

Please note: Due to project security requirements, Unfortunately, visa sponsorship is not available for this position

Why Apply?
This is your chance to work on a project that defines the future of clean energy in the UK. You'll join a forward-thinking organisation where your contribution directly supports a safer, more sustainable world. If you're ready to take on the challenge and grow with your future team, apply today.

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.