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Senior Thermal Hydraulic Analyst
Job title: Senior Thermal Hydraulic Analyst
Location: Rotherham, South Yorkshire
Job Type: Temporary Contract
IR35 Status: Inside IR35
Start Date: Immediate
Duration: 12 months+ on-going/rolling
Pay Rate: Negotiable/Competitive
Are you ready to help shape the future of clean energy?
We're working with a world-renowned organisation at the forefront of fusion energy development – and they're looking for a Senior Thermal Hydraulic Analyst to join their multidisciplinary engineering team. This is a rare opportunity to apply your simulation expertise to some of the most complex and advanced design challenges in the energy sector.
🔧 The Role
As a Senior Thermal Hydraulic Analyst, you'll provide critical technical input in computational thermal hydraulics and heat transfer analysis. You'll play a key role in assessing and optimising high-performance fusion components using simulation tools like Ansys Fluent and Workbench.
This is a technically rich role, where your modelling insights directly influence the design of next-gen nuclear systems.
🧠 What You'll Be Doing:
* Developing and applying advanced CFD and FEA models to simulate component performance under extreme thermal and fluid dynamic conditions.
* Building and refining complex 3D geometries, conducting mesh independence studies, and applying parameterisation techniques for robust design evaluation.
* Leveraging expert knowledge in turbulence, conduction, convection, and radiation to critically evaluate results and inform design decisions.
* Validating CFD outcomes with analytical and semi-analytical models, including 1D/2D methods.
* Contributing to technical documentation, peer reviews, and external publications.
* Promoting a strong safety culture and collaborating across a cross-functional R&D environment.
📚 What You'll Need:
* A degree in a STEM discipline or equivalent experience in a research-led environment.
* Proven background in thermal hydraulics and heat transfer simulations within a research or advanced engineering setting.
* Proficiency in CFD (especially Ansys Fluent/Workbench), meshing complex 3D geometries, and applying mesh refinement techniques.
* Strong understanding of turbulence modelling and first-principles analytical methods.
* Confident communicator with a detail-oriented mindset and strong problem-solving capabilities.
🌟 Bonus Points For:
* Experience with OpenFOAM or other major CFD software.
* Familiarity with 1D network simulation tools such as Flomaster or OpenModelica.
🚀 Why Join?
This is your chance to be part of one of the most ambitious and meaningful engineering missions on the planet. You'll work in a highly collaborative environment with cutting-edge simulation tools and contribute to real-world innovations in fusion energy – a field with the potential to revolutionise global energy systems.
Please note that applicants must live in the UK and have the right to work in the UK. We cannot provide VISA sponsorship.
Interested in this position? please click "apply now"
We try to respond to all applicants, but sometimes this is not possible due to high volumes of applications; if you have not heard from us within 14 days, regrettably it means you have been unsuccessful on this occasion.
This vacancy is being advertised by Rullion Ltd acting as an employment business
Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands, to SMEs and start-ups. As a family-owned business, Rullion's approach is credible and honest, focused on building long-lasting relationships with both clients and candidates.
Rullion is a forward-thinking recruitment company that specialises in providing a wide range of talent consultancy services to a diverse client base; from small start-ups to large household names.
We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.
Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants