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GTT

Designs membrane LNG containment systems

Thermodynamic Modeling and Operational Data Analysis Intern

Thermal & Fluids EngineeringConfirmed live in the last 24 hours
Internship · Winter 2027Saint-Rémy-lès-Chevreuse, FranceNo salary listed

About the Job

Requirements

  • Be in the second or third year of a five-year engineering program, specializing in Process Engineering at ENSIC Nancy, UTC Compiègne, or ENSIACET, or in a generalist program at a Grande École such as Mines, Centrale, or ENSAM.
  • Have an interest in technical subjects including thermodynamics, thermal engineering, or process engineering.
  • Have knowledge of process simulation tools such as Hysys, Unisim, or Pro II.
  • Demonstrate curiosity, proactivity, flexibility, and rigor.

Responsibilities

  • Work within a team developing physical thermodynamic models, associated tools, and specific studies requested by clients.
  • Contribute to developing, improving, and evolving tools and models, and/or qualifying them.
  • Compare the reliability of the existing thermodynamic model against other references and tools.
  • Adjust model parameters to maximize accuracy across the operating range.
  • Verify the model by simulating typical sizing cases for existing or ongoing projects involving LNG carriers, ethane carriers, LNG-fueled ships, or ammonia transport.
  • Create standard simulations for future project use and write a validation report.
  • Process and analyze operational data from ships in service to identify trends and optimization opportunities, address client-requested issues, and calibrate or qualify models and tools.
  • Create and maintain a process and thermal database using completed project data and existing test data, supplemented by new research or potential collaborations.
  • Frame database work and communicate with stakeholders, including external clients and internal departments.
  • Identify key data for implementation, propose scripts to automate data retrieval, and research correlations and statistics in the database.
  • Write a validation report and user guide.

About the Company

GTT

Designs membrane LNG containment systems

GTT designs and engineers membrane containment systems for LNG storage and transport, licensing patented technologies to shipbuilders, shipowners, and energy companies. Its systems line LNG tanks to safely hold cryogenic fuel, with licensing, technical assistance, and a range of maintenance, training, and digital services. GTT differentiates itself through a focused specialization in LNG membrane technology, a global partner network, and a services ecosystem that supports customers throughout the lifecycle of vessels and storage facilities. Its goal is to stay at the forefront of LNG by expanding internationally and continuously delivering reliable containment solutions and related services that meet evolving energy needs.

Company size
501-1,000
Company stage
IPO
Headquarters
Saint-Rémy-lès-Chevreuse, France
Founded
1965

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