Nuclear Heating, Ventilation and Air Conditioning (HVAC) Engineer

Title:
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: We operate a flexible hybrid working pattern at Frazer-Nash, with time split between the office, client sites and working from home

Closing date is 31st December 2025, but 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 are involved in many projects across the whole lifecycle of various nuclear facilities. We're seeking someone interested in the nuclear industry to join our diverse team and be a pivotal part of our journey.

We are seeking a HVAC Engineer to support the detailed design development, installation and commissioning of HVAC systems within nuclear and associated facilities. The candidate must develop system designs that comply with stringent safety and regulatory standards, oversee installation and commissioning activities, and ensure optimal performance through diagnostics and maintenance. This role requires close collaboration with multidisciplinary teams to integrate HVAC infrastructure into broader plant operations, as well as 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 for this role will include:

• 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 of 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 communicator.

• Willingness to travel to client sites as required.

Desirable requirements:

• Professionalism in supporting new business and enhancing client relationships

• Reactor Operations & Procedures: Familiarity with reactor plant operating philosophy, standard procedures, and safety-critical workflows.

• Nuclear Safety Principles: 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

Working at Frazer-Nash

One of our core values at Frazer-Nash is that we value our people. We help them to find work that they enjoy and that allows then to continuously grow and develop, whilst 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 allow skill sets to be transferred and to encourage sharing of best practice from different sectors.

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 our people to transition into the career paths that they want to take. Be that transitioning into a technical discipline, into people management or focusing on 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 be able to satisfy clearance criteria for UK National Security Vetting.

Benefits

We provide our people with an excellent benefit and offering package that comprises:

• Competitive salary with yearly reviews

• 25 days holiday + the opportunity to buy 5 days.

• A company that has its heart in the right place and a welcoming work culture.

• Happy to talk flexible working

• Enhanced parental benefits

• Company pension scheme

• Targeted professional development

• Life assurance

• Private healthcare membership

• Bonus scheme linked into company performance

• Paid membership fees to a professional institution

• Support in attaining professional membership

• Cycle to work scheme

• Season rail ticket loan

FNC is a UK financial services technology provider offering lending platforms, digital banking, regulatory compliance and analytics software to banks, alternative lenders and credit unions.