Mechanical Building Services Engineer

Assystem -
Bristol

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Job details

Permanent

Benefits

Annual leave
Company pension
Flexible schedule
Referral programme
Sick pay

Qualifications

Mechanical engineering
Engineering
Mechanical Engineering
Project coordination
Quality assurance
Surveillance

Full job description

Nuclear
Permanent /
Bristol
United Kingdom
03/04/26
On site

About Assystem

️ About Assystem

Assystem is an international engineering and project management group accelerating the energy transition worldwide. Our 8,000 Switchers combine decades of engineering expertise with digital innovation to deliver complex, safety-critical infrastructure. In the UK, we play a key role on landmark programmes including Hinkley Point C, Sizewell C and emerging Small Modular Reactor developments, supporting the delivery of secure, low-carbon energy for the future.

Why Join the Community of Switchers?

You will be joining one of the three largest nuclear engineering companies in the world, working at the heart of the UK’s most significant energy programme. Assystem offers exposure to world-class projects, long-term career stability, and the opportunity to work alongside highly experienced engineers and delivery teams. Your future team values collaboration, practical problem solving, and engineers who want to make a real impact on site.

Job Description

The Job Mission

This is a hybrid role, requiring two days per week in our Bristol office, with occasional site visits to Hinkley Point C in Bridgwater.

The role supports design management of the Operational Service Centre and associated Skybridges.
Responsibility includes oversight of final MEP execution design and configuration control.
The position provides technical leadership during installation, resolving site queries and ensuring quality compliance.

Manage delivery of remaining MEP execution design packages
Review and approve supplier Design Package Release Notes
Control technical configuration and change management processes
Coordinate multidisciplinary interfaces across building design disciplines
Maintain critical oversight of health and safety proposals
Ensure Lifetime Quality Records are complete and compliant

Resolve site technical queries, change requests and non conformances

Support readiness reviews and release hold points appropriately
Interface with Responsible Designer and wider internal stakeholders
Report progress, escalate risks and manage open technical points

My profile

Nuclear experience is not essential, but is of course welcome. If you have worked within a highly regulated environment, your skills and approach are highly transferable and of strong interest to us.

We also recognise that the perfect candidate rarely exists. If you feel you meet around 80% of the criteria and are motivated to develop further, we would strongly encourage you to apply

Degree in Mechanical Engineering
Experience in project coordination and design management
Background in nuclear or regulated industry environments
Knowledge of UK building regulations and compliance
Strong attention to detail and configuration control focus
Experience managing technical change processes
Ability to coordinate multidisciplinary stakeholder groups
Understanding of surveillance and quality assurance processes
Professional discretion handling sensitive project information

Ready to Make an Impact?

This is an opportunity to contribute to nationally significant energy infrastructure while developing your technical depth within a globally recognised engineering organisation. If you want real responsibility, exposure to complex mechanical systems, and the chance to grow within one of the world’s leading nuclear engineering companies, this role offers long-term progression and stability.

Benefits include:
Hybrid Working Opportunity
Flexible working hours
️ Market Leading 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.

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About Assystem

Job Description

My profile

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