Nuclear Heating, Ventilation and Air Conditioning (HVAC) Engineer
Title: Nuclear Heating, Ventilation and Air Conditioning (HVAC) Engineer.
Salary range: £35,000 to £45,000 per annum depending on experience.
Location: Bristol, Gloucester / Burton or Manchester.
Working Pattern: Flexible hybrid; time split between the office, client sites and working from home.
Closing date: 31st December 2025 (early application encouraged).
Do you want to join a team delivering critical HVAC solutions for the nuclear and non‑nuclear sector, where your skills are recognised and your work truly matters?
At Frazer‑Nash we deliver innovative engineering solutions to our clients to make lives safe, secure, sustainable and affordable. It’s an exciting time to work in the nuclear industry and Frazer‑Nash is involved in many projects across the full lifecycle of various nuclear facilities. We’re seeking someone interested in the nuclear sector to join our diverse team and be a pivotal part of our journey.
We are seeking a HVAC Engineer to support detailed design development, installation and commissioning of HVAC systems within nuclear and associated facilities. The role requires compliance with stringent safety and regulatory standards, oversight of installation and commissioning activities, and optimisation of performance through diagnostics and maintenance. Close collaboration with multidisciplinary teams is essential, as is the preparation of technical documentation and regulatory submissions. Candidates should demonstrate expertise in nuclear safety protocols, HVAC engineering principles and lifecycle asset management.
Key Responsibilities
* Develop and manage HVAC design requirements aligned with safety and performance criteria for nuclear projects and associated facilities.
* Undertake process equipment sizing and specification for ventilation and air handling systems.
* Conduct fluid flow and thermal process calculations to support system design.
* Generate system operating principles and functional descriptions.
* Produce design documentation including P&IDs, design reports and HVAC equipment/system definition documents.
* Substantiate system designs through safety analysis and compliance assessments.
* Apply systems engineering tools and techniques such as functional modelling, Function Means Analysis (FMA) and decision analysis for concept generation and selection.
* Develop and manage structured Requirements, Evidence, Definition and Verification data.
* Define and maintain functional interfaces between HVAC systems and other plant systems.
Essential Requirements
* At least 2 years of experience in HVAC system, layout or component design.
* Evidence of effective technical delivery in nuclear new build or generation sectors.
* Academic qualification in a relevant science or engineering discipline (minimum Higher National Diploma).
* Strong problem‑solving and teamwork skills.
* Clear and organised written and verbal communication.
* Willingness to travel to client sites as required.
Desirable Requirements
* Professionalism in supporting new business and enhancing client relationships.
* Familiarity with reactor plant operating philosophy, standard procedures and safety‑critical workflows.
* Knowledge and practical application of ALARP (As Low Reasonably Practicable) and BAT (Best Available Technique).
* Project management experience.
* Experience working in a consultancy environment.
* Progress towards chartership with a professional institution (e.g. IMechE, CIBSE).
Benefits
* Competitive salary with yearly reviews.
* 25 days holiday, with an option to buy 5 days.
* Welcoming work culture and supportive environment.
* Flexible working arrangements.
* Enhanced parental benefits.
* Company pension scheme.
* Targeted professional development.
* Life assurance.
* Private healthcare membership.
* Bonus scheme linked to company performance.
* Paid membership fees to a professional institution.
* Support in attaining professional membership.
* Cycle to work scheme.
* Seasonal rail ticket loan.
Due to the nature of the work that Frazer‑Nash Consultancy undertakes, candidates will be required to undergo pre‑employment screening and must be able to satisfy clearance criteria for UK National Security Vetting.
Refs: referrals increase your chances of interviewing with Frazer‑Nash by 2×.
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