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Company Description

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all

Job Description

? Senior/Principal Building Services Engineer

? Location: Warrington
? Type: Permanent / Contract

We’re hiring a skilled Senior/Principal Building Services Engineer with nuclear industry expertise to enhance our team. You'll help deliver safe, efficient building service solutions with proficiency in Revit and UK standards.

? Key Responsibilities:

Project Delivery

?️ Design and manage building services (HVAC, piping) for nuclear facilities.
? Collaborate with architects, engineers, and stakeholders for seamless integration.
Design & Modelling

?️ Use Revit for 3D modeling, ensuring project requirements are met.
? Generate detailed drawings, layouts, and construction documents.
?️ Implement BIM standards, ensuring industry and project compliance.
Technical Compliance & Quality Assurance

✅ Ensure designs meet UK regulatory and nuclear safety standards.
? Perform calculations to maintain design integrity and resilience.
? Participate in design reviews, risk assessments, and quality control.
Project Coordination & Communication

? Collaborate with project managers and site teams on timelines and deliverables.
? Provide clear technical documentation for installations and maintenance.
? Attend client meetings, presenting designs and addressing queries.
Sustainability & Efficiency

? Integrate sustainable design and energy-efficient technologies.
? Contribute to lifecycle cost analysis, focusing on long-term sustainability. 

Qualifications

? Essential Experience & Qualifications

? Bachelor’s degree in Building Services Engineering, Mechanical Engineering, or related field.
? Extensive experience in regulated industries, ideally nuclear.
?? Familiarity with UK Statutory Regulations and design standards.
?️ Proficient in Revit for building services in regulated environments.
? Skilled in Microsoft Office (Excel, PowerPoint, Word).
? Understanding of 3D space management, Autodesk CAD, Navisworks Viewer.✅ Desirable Experience & Qualifications

?️ Chartered Engineer (CEng) or pursuing Chartered status.
? Familiarity with Sellafield Limited Design Guides.

Additional Information

Security Clearance:

Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level. 

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