Frazer Nash
Fluid Flow and Heat Transfer Consultant
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Fluid Flow and Heat Transfer Consultant
Fluid Flow and Heat Transfer Consultant
Salary range: £36,000 to £46,000 per annum depending on experience
Location: Bristol
Working Pattern: We operate a flexible hybrid working pattern at Frazer-Nash, with time split between the office and working from home.
Closing Date: 12th July 2026. We encourage early applications; vacancies may close once we receive sufficient applications.
Engineering Insight for Complex, High-Value Challenges
Frazer-Nash is a values-driven and forward-thinking engineering, systems and technology consultancy. We help organisations deliver innovative engineering and technology solutions that make lives safe, secure, sustainable and affordable.
Our engineering specialists support clients across a broad range of sectors, including nuclear/low-carbon energy, transport, defence and the process industries. We combine deep technical understanding with practical consultancy skills to help clients understand, design, improve and assure complex engineering systems.
We are growing, and are looking for engineers who can bring strong technical judgement, clear communication, and a practical approach to solving complex client problems.
Your work will help to:
- Solve complex fluid flow, heat transfer and process engineering challenges
- Improve the safety, reliability, efficiency and sustainability of engineering systems
- Support confident design, operational, investment and assurance decisions
- Deliver high-quality, trusted consultancy advice to clients across multiple sectors
About Frazer-Nash
We work across the full engineering lifecycle, from concept and requirements definition through to design, analysis, operation, modification, life extension, and decommissioning. Our multidisciplinary teams bring together engineering, systems, technology, safety, assurance, and digital capability to help clients address the most demanding challenges.
Our engineers are empowered to take ownership of their work, build lasting client relationships, and develop specialist expertise while working as part of supportive, collaborative teams. We value technical excellence, curiosity, and the ability to turn complex analysis into clear, actionable insight.
Why Join Frazer-Nash?
- Work on varied and meaningful engineering challenges across a wide range of industries
- Apply advanced analysis and modelling techniques to real-world systems
- Take ownership of technical work and contribute directly to client delivery
- Develop your career in a supportive, technically ambitious consultancy environment
- Be part of a collaborative team committed to innovation, professional growth, and high-quality delivery
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Why this Role?
As a Fluid Flow and Heat Transfer Consultant, you will apply your understanding of fluid mechanics and heat transfer to help clients understand system behaviour, assess performance, reduce risk, and make better engineering decisions. You will contribute across the consultancy lifecycle, from technical analysis and modelling through to client engagement, writing bids, project delivery and capability development.
Variety of work
Our consultants typically work on a number of projects at once, ranging from short, focused studies to long-term programmes of support. You can expect exposure to different industries, clients, technologies, and technical challenges, helping you broaden your capability while deepening your expertise.
Teamwork and collaboration
You will work as part of a supportive group, collaborating with specialists from multiple disciplines. You will be proactive in developing your own skills, seeking advice when needed, and sharing your experience to support the development of colleagues.
Taking the lead
As you develop, you will manage technical work packages, plan and deliver work to time, cost, and quality, and engage directly with clients and internal stakeholders. As your experience grows, you will have opportunities to lead small teams, guide colleagues, and shape technical approaches.
Growing capability
You will contribute to strengthening and diversifying our fluid flow and heat transfer capability. This may include supporting bids and proposals, developing new service offerings, contributing to technical communities, and representing Frazer-Nash in client discussions, conferences, or seminars.
Professional recognition
We value professional accreditation, including Chartered Engineer and Fellow status, and provide mentoring and support to help employees achieve this recognition of their work.
Key responsibilities include:
- Analyse and understand fluid flow, heat transfer and thermal performance across a range of engineering systems and contexts, assessing operating margins, constraints, and sensitivities.
- Use appropriate analytical, numerical, and modelling approaches, including hand calculations, system models, and Computational Fluid Dynamics (CFD) where relevant to explain underlying physical behaviour, and provide clear recommendations.
- Working effectively as part of a multi-disciplinary team to design new systems or develop modifications to existing plant, reducing risks and supporting successful project delivery.
- Prepare crisp, focused technical reports, presentations, proposals, and other client-facing deliverables.
- Engage with new and existing clients to understand their challenges and tailor our capability to develop effective solutions.
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What We’re Looking For
Technical experience
- A strong understanding of practical fluid dynamics, heat transfer or thermofluid mechanics, built on a relevant Master’s degree, PhD, or equivalent relevant experience.
- Ability to interpret, validate, and clearly explain complex analysis and modelling outputs.
- Experience applying detailed modelling approaches, such as Computational Fluid Dynamics (CFD) or 1D modelling tools, to understand complex flow fields, heat transfer, or system behaviour (e.g. Fluent, Star-CCM+ Flomaster, Amesim etc).
- An appreciation of engineering design, risk reduction, assurance, and practical delivery constraints.
Personal and consultancy skills
- Strong communication skills and a practical, client-focused mindset, with the ability to engage effectively through meetings, presentations, technical discussions and written reports, and translate technical analysis into useful engineering insight.
- A collaborative approach, with confidence working in multidisciplinary teams and across different technical domains.
- Interest in contributing to business development, proposal writing, long-term client relationships and managing small packages of work to time, quality, and cost.
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
- And further optional benefits you can tailor to your personal requirements
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