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

Every day, our 6,500 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 HVAC Engineer


Permanent / Contractor

Assystem are an Award-Winning International Engineering Design Consultancy who provide innovative and cutting edge solutions. We have a number of UK based offices and a significant, loyal client base.

As our reputation for proficient delivery of complex projects grows even stronger, we have a need for a Senior HVAC Engineer to join our team in Warrington.

The Role is to support the HVAC Capability team delivering projects for Categorised Projects in all aspects of HVAC and Building Services with knowledge and experience in highly regulated standards and processes, specifically the delivery of the design of HVAC Systems or modification to existing HVAC Systems. Able to be client facing and demonstrate confidence as a subject matter expert hence able to support all stakeholders.

Additional information

Your background:

  • Reporting to the HVAC Manager/Principal Engineer.
  • Have experience of working within Building Services Engineering design consultancy practice.
  • An appreciation of quality assurance and business management.
  • Good verbal and communication skills.
  • Able to work effectively with colleagues and with a professional approach to external clients.
  • An enquiring approach with a desire to explore innovative ideas whilst still understanding the need for a good commercial balance.
  • Being able to work as part of a multi-disciplinary team.


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.

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