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LNG chief mate analyst F/M

GTT · Saint-Rémy-lès-Chevreuse (78) · CDI

Publiée le 2 octobre 2026

Company Description

This is an on-site role based in Yvelines, France.

GTT is a French technology and engineering group listed on Euronext Paris and a world leader in cryogenic membrane containment systems for LNG transport and storage. In 2025, the Group reported revenues of €803 million, EBITDA of €542 million and net income of €414 million, with more than 800 employees and 60 years of expertise.

GTT supports shipyards, ship-owners and energy players worldwide. In 2025, it received 45 orders, including 37 LNG carriers, and ended the year with an order book of 288 core-business units and 48 LNG-as-fuel units.

To support the development of a new service offering for LNG Carrier owners and charterers, we are looking for a LNG chief mate analyst (f/m) who will be responsible for monitoring ships operation in direct contact with the captains to optimize safety and costs. The role will be embedded within a multidisciplinary internal team, working closely with LNG experts able to provide in-depth technical guidance on LNG management, cargo behaviour and molecule-specific constraints.

Job Description

Duties

• Support LNG carrier Masters before departure, during passages and ahead of port calls with guidance on navigation, weather routing, speed, ETA and LNG management constraints.
• Carry out the mission in close collaboration with GTT LNG experts, leveraging their in-depth knowledge of LNG management, cargo behaviour and molecule-specific constraints to support operational recommendations.
• Review voyage, vessel, cargo, charter party, port schedule and SatCom data 72 to 24 hours before departure to prepare safe and efficient route options.
• Provide meteorological and oceanographic analysis, risk assessments and routing recommendations, especially for heavy weather, tropical systems, restricted areas and port arrival windows.
• Support onboard LNG management by considering cargo condition, boil-off gas, tank pressure, heel, fuel gas consumption, reliquefaction or gas combustion capability and terminal requirements.
• Maintain regular contact with Masters and respond to ship operators, charterers and stakeholders on voyage performance, routing decisions, cargo constraints, delays and arrival planning.
• Improve voyage safety and performance by combining navigation, weather, LNG cargo management and post-voyage feedback into practical recommendations for vessels and shore teams.
• Analyze forecasts, vessel observations and post-voyage data to prepare reports, identify gaps, support claim management and improve GTT Digital tools and procedures.

Qualifications

Your Profile:

• Qualified Chief Officer with at least two years of experience in this rank on ocean-going vessels, ideally LNG carriers or gas carriers.
• Strong experience in passage planning, route monitoring, ECDIS, navigational watchkeeping, weather assessment, ETA management, port approach preparation and cargo operations follow-up.
• Good understanding of LNG carrier operations, including cargo containment, boil-off gas, tank pressure, fuel gas management and terminal requirements.
• Ability to translate navigation, weather, voyage and cargo data into clear recommendations for Masters, operators, charterers and shore teams.
• Excellent spoken English and good written English; French or any additional language is an advantage.

Personal Characteristics:

• Proactive, reliable and diplomatic, with the ability to build trust with Masters and shore-based stakeholders while keeping a strong focus on safety, performance and operational excellence.
• Comfortable following vessel operations daily and communicating with Masters by video call, phone, email or digital platform.
• Able to listen to onboard constraints, respect the Master’s authority and provide calm, factual and constructive recommendations.
• Tactful and solution-oriented when discussing routing, speed, LNG management, delays, deviations or performance topics with vessels, operators and charterers.
• Able to take ownership of assigned vessels, anticipate risks, identify improvement opportunities and report key events impartially.

Additional Information

Permanent position, available immediately, based in Saint-Rémy-Lès-Chevreuse, France.

Compétences

• communication
• assumer des responsabilités
• énergies renouvelables
• consommation de gaz
• travailler en équipe
• anglais
• gaz combustible
• production au plus juste
• identifier les améliorations des processus
• rapporter des faits
• gérer le temps
• communication électronique
• Français
• instaurer un climat de confiance

Voir l'offre d'origine et postuler · Source : site carrières de GTT