Rodrigo Llopis
1 week ago
PhD candidate (4-year contract) in Thermal Engineering Group Universitat Jaume I in Spain
Degree Level
PhD
Field of study
Mechanical Engineering
Funding
Available
Deadline
Oct 23, 2026
Country
Spain
University
Universitat Jaume I

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About this position
Universitat Jaume I in Castellón de la Plana, Spain, is offering a 4-year PhD candidate position within the Thermal Engineering Research Group of the Mechanical Engineering and Construction Department. The project, Natural Refrigerant technologies for Ultra-Low Temperature Cooling (NAR-ULT), focuses on developing and experimentally validating high-efficiency ultra-low temperature refrigeration systems using only natural refrigerants.
The doctoral researcher will work on advanced modelling of ultra-low temperature refrigeration architectures, the design of test rigs, construction of prototypes, monitoring, testing, and performance evaluation. The project targets the creation and validation of at least two prototypes capable of reaching -150°C in the refrigerated space. The environment is highly international and multidisciplinary, with expertise in refrigeration technologies, cryogenics, and heat pumps.
This is a full-time, in-person PhD contract of 36 hours per week, starting in January 2027. Funding is provided through the Spanish Ministry of Science, Innovation and Universities (project reference PID2025-170246OB-I00). The advert lists approximate gross salaries for the different years of the contract, along with final compensation and participation in scientific conferences.
Applicants must hold a Master’s degree or equivalent and have a background in Engineering (mechanical, thermodynamics, chemical, industrial, or similar). Strong English communication skills are required, together with availability to travel, good knowledge of refrigeration science, and refrigeration facility construction/testing skills. Knowledge of Matlab, Labview, Refrpop, and Visual Studio is also mentioned.
To apply, candidates should send a CV and motivation letter to Prof. Rodrigo Llopis ([email protected]). The deadline is 23 October 2026.
Funding details
Available
What's required
Master degree or equivalent is required. Applicants must be graduates in Engineering (mechanical, thermodynamics, chemical, industrial or similar). Good written and spoken English is required. Candidates should be available to travel and have good knowledge of refrigeration science, plus refrigeration facility construction and testing skills. Knowledge of Matlab, Labview, Refrpop, and Visual Studio is listed as desirable/required in the detailed requirements. The post specifies an education level of Master Degree or equivalent and years of research experience are not required.
How to apply
Send your CV and motivation letter to Prof. Rodrigo Llopis at [email protected] for the first round. Use the contact email provided in the advert to apply. Apply before the deadline of 23 October 2026.
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