Nuclear Heating, Ventilation and Air Conditioning; HVAC Engineer

Nuclear Heating, Ventilation and Air Conditioning (HVAC) Engineer

Join Frazer‑Nash Consultancy as a Nuclear Heating, Ventilation and Air Conditioning (HVAC) Engineer. We are looking for an experienced HVAC engineer to support the detailed design, installation and commissioning of HVAC systems within nuclear and associated facilities.

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 – split between 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 whole life‑cycle of various nuclear facilities. We’re seeking someone with a passion for the nuclear industry to join our diverse team and be a pivotal part of our journey.

• 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.

• 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.
• A degree in a relevant science or engineering discipline or a higher education qualification (minimum Higher National Diploma) in an engineering, design or building services discipline.
• Strong problem‑solving and teamwork skills.
• Skilled, clear and organised written and verbal communication.
• Willingness to travel to client sites as required.

• 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.
• Working towards chartership with a professional institution (e.g., IMechE, CIBSE).

We value our people. We help them find work that they enjoy and that allows them to continuously grow and develop, while maintaining a healthy work‑life balance. We support our people in obtaining chartership with relevant engineering and scientific institutions. Where possible we encourage cross‑sector and cross‑discipline working to transfer skill sets and share best practice. We support our people to develop consultancy skills including business development and project management.

As our people progress, we provide opportunities for increased responsibility and support transition into the career paths they desire, whether that means moving into a technical discipline, people management or business development of a specific sector.

Due to the nature of the work that Frazer‑Nash Consultancy undertakes, candidates will be required to undergo pre‑employment screening and must satisfy clearance criteria for UK National Security Vetting.

• Competitive salary with yearly reviews.
• 25 days holiday + the opportunity to buy 5 days.
• A supportive and welcoming work culture.
• 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.

Seniority level: Entry level

Employment type: Full‑time

Job function: Other

Industries: Business Consulting and Services