I&C Design Engineer - HVAC Systems

Assystem -
Bristol

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Job details

Permanent

Benefits

Annual leave
Company pension
Referral programme

Qualifications

System design

Full job description

Nuclear

Permanent /

Bristol

United Kingdom

26/04/25

On site

ABOUT ASSYSTEM

️ Join Assystem and Power the Future of Energy!

At Assystem, we are at the forefront of the global energy transition. Our 7,500 Switchers bring a wealth of engineering expertise to accelerate the world’s journey to a sustainable future. Join us and play a key role in delivering transformative projects that shape tomorrow.

Why Join the Community of Switchers?

Join one of the top three largest nuclear engineering companies worldwide and collaborate with a team that thrives on innovation and excellence. At Assystem, you’ll work on critical projects, contributing to a sustainable energy future while growing in your career.

JOB DESCRIPTION

The Job Mission
You’ll be a key part of the HVAC Systems team, supporting design activities on a nuclear power plant project. Your future team will focus on delivering high-quality HVAC solutions. This role spans design, specification, and coordination across multidisciplinary functions.

Key responsibilities include:

Review and update system documentation ensuring safety and quality compliance
Perform thermal-hydraulic calculations and size components like fans and pipework
Translate safety inputs into functional and I&C logic requirements
Support procurement with technical specs and supplier reviews
Manage configuration and design modifications for stability
Define I&C test procedures, HMI elements, and control logic
Provide technical input for commissioning planning and execution
Collaborate with layout, civil, and safety teams to meet cross-functional requirements

MY PROFILE

Essential Skills

Degree in Nuclear, Mechanical, or Process Engineering
5+ years’ experience in HVAC system design
Proficient in thermal-hydraulic calculations and system sizing
Experience with I&C logic & HMI design
Strong technical documentation and configuration control skills
Able to define system requirements from nuclear safety inputs
Effective in cross-discipline coordination and stakeholder engagement

✔️ Desired Skills

Knowledge of EPR system design and safety classification
Experience working on nuclear or industrial plant sites
Skilled in peer reviewing technical I&C documents
Familiarity with nuclear engineering rules for I&C design

Shape the Future of Clean Energy with Us!

Join Assystem’s expert team and contribute to one of the most significant energy infrastructure projects in the UK. Your expertise in mechanical equipment delivery will play a key role in ensuring the success of SZC and the UK’s energy future.

Benefits include:

Pension scheme (8% company contribution / 4% personal contribution)
25 days’ paid annual leave + bank holidays + option to buy or sell days
Professional fees reimbursed
Flexible working
Generous employee referral scheme

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.

Apply Now

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