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 Frazer-Nash is a leading systems, engineering and technology company. We help organisations deliver innovative engineering and technology solutions to make lives safe, secure, sustainable, and affordable. With over 1000 employees, we work from a network of nine UK and four Australian locations. Our people apply their expertise to develop, enhance and protect our clients' critical assets, systems and processes. We use our skills and talents to ensure a sustainable future for society. Our work helps deliver a safe and secure world, where natural resources are conserved, and clean energy is available to all. And we focus on actions to reduce climate change; supporting rapid and far-reaching transformations in the delivery of energy, security, industry, and transport. At the heart of our business are a set of self-defined core values. These are part of our DNA and we’re committed to upholding them – internally as part of our Frazer-Nash family; in the way we work with our customers; and when we engage with the wider world. We care At Frazer-Nash, we care about each other; always looking to collaborate and see things from the other person’s point of view We offer mutual support, learn from one another, and work as a team to deliver the best results Everyone has a voice, and we all make the time to listen We will work with openness and collaborate effectively – thinking about our clients and our people, and responding to their needs We care about the difference we make to the wider world. We are trusted Effective collaboration is founded upon trust. We earn the trust of our customers and colleagues by delivering on the commitments we have made to them. We deliver success We deliver value and success to our customers and to our business. We continually strive to be the best at what we do. We want to do things that matter We seek out interesting and satisfying work that helps makes a difference in society We use our expertise to provide trusted, impartial professional advice to our clients By making a difference to today, we benefit the world of tomorrow – so we can all go home each day knowing that we’ve done something that really mattered. Fraud Alert Fraud has infiltrated the job placement market via the internet, email and direct phone contact. Attempts have included unauthorized use of Frazer Nash’s name and logo to solicit potential job seekers or to extend false job offers. Bad actors may mix in fake job advertisements with legitimate postings. These ads can include contact instructions and require job seekers to send sensitive personal information or money to pay for visa applications, processing fees, etc., in exchange for consideration for a high-paying position. Frazer-Nash will never ask for any sort of advance payment as part of the recruiting/hiring process. Candidate profiles are carefully managed to protect personal information.