Mechanical Engineering and Construction DepartmentOrganisation/Company Universitat Jaume I Department Mechanical Engineering and Construction Department Research Field Engineering » Mechanical engineering Researcher Profile First Stage Researcher (R1) Positions PhD Positions Application Deadline 23 Oct 2026 - 00:00 (UTC) Country Spain Type of Contract To be defined Job Status Full-time Hours Per Week 36 Offer Starting Date 1 Jan 2027 Is the job funded through the EU Research Framework Programme? Not funded by a EU programme Reference Number PID2025-170246OB-I00 Is the Job related to staff position within a Research Infrastructure? NoOffer DescriptionRESEARCH PROJECTNatural Refrigerant technologies for Ultra-Low Temperature Cooling (NAR-ULT)PRINCIPAL INVESTIGATORSProf. Rodrigo Llopis and Prof. Daniel SánchezLOCATIONThermal Engineering Research GroupMechanical Engineering and Construction DepartmentJaume I UniversityDESCRIPTIONThe candidate will conduct PhD doctoral studies in Jaume I University. Requirement is to obtain the PhD grade in three to four years.The candidate will be involved in NAR-ULT project, which aims to develop experimentally high-efficient ultra-low temperature systems using only natural refrigerants. Target of the project is to develop and validate experimentally at least two prototypes achieving -150ºC in the refrigerated space.The research will focus on advanced modelling of ULT refrigeration architectures, design of the test rigs, building of prototypes, monitoring, testing and evaluation of performance. High level of refrigeration is required to contribute to the project.Candidate will join a multidisciplinary team with high expertise in refrigeration using natural refrigerants (centralized,



commercial, ultra-low temperature, cryogenics) and heat pumps. Group is highly international.A Master level is required to apply to the contract.Graduate in Engineering is required (mechanical, thermodynamics, chemical, industrial or similar)Good level of English (written and spoken)Availability to travelGood knowledge of refrigeration science.Refrigeration facility construction and testing skills.CONTRACT CHARACTERISTICSIncorporation previsible January 20274-year full-time job (36 hours per week)Participation in scientific conferences.FUNDING AGENCYProject ‘ Natural Refrigerant technologies for Ultra-Low Temperature Cooling (NAR-ULT) ’ is funded by The Ministry of Science, Innovation and Universities of Spain (project reference PID2025-170246OB-I00).RequirementsResearch Field Engineering » Mechanical engineering Education Level Master Degree or equivalentSkills/QualificationsGood level of English (written and spoken)Availability to travelGood knowledge of refrigeration science.Refrigeration facility construction and testing skills.Knowledge: Matlab, Labview, Refrpop, Visual StudioSpecific RequirementsGraduate in Engineering is required (mechanical, thermodynamics, chemical, industrial or similar)Master level is required to apply to the contract.Languages ENGLISH Level GoodResearch Field Engineering » Mechanical engineeringEngineering » Thermal engineeringEngineering » Chemical engineering Years of Research Experience NoneWork Location(s)Number of offers available 1 Company/Institute Jaume I University / Thermal Engineering Group Country Spain State/Province Castellón City Castellón de la Plana Postal Code 12071 Street Campus Riu Sec s/n Geofield
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📌 PhD candidate (4 yr. contract). Thermal Engineering Group (Madrid)
🏢 Universitat Jaume I
📍 Madrid