LNG chief mate analyst F/M

GTT; Saint-Rémy-lès-Chevreuse; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Permanent position

On-site in Saint-Rémy-lès-Chevreuse

Job summary

GTT is seeking an LNG chief mate analyst (f/m) to monitor ship operations from departure to port calls, advising Masters to optimize safety, routing and LNG management. This on-site role is based in Saint-Rémy-Lès-Chevreuse, France, embedded within a multidisciplinary team of LNG experts and shore-based colleagues.

You will review voyage plans, weather routing and cargo data, provide clear recommendations to Masters and operators, and translate technical information into actionable guidance.

Qualifications

• Chief Officer with LNG carrier experience (minimum 2 years).
• Strong knowledge of LNG management, cargo behavior, and terminal requirements.
• Fluent written and spoken English; French is a plus.

Responsibilities

• Support Masters before departure with guidance on navigation, weather routing, speed and LNG constraints.
• Review voyage plans, vessel, cargo, charter party and schedules 72–24 hours before departure.
• Provide meteorological and routing analyses, risk assessments and planning guidance.
• Maintain contact with Masters, operators and shore teams on performance, routing decisions and constraints.
• Analyse forecasts and post-voyage data to improve GTT tools and procedures.

Skills

LNG navigation planning

Weather assessment

Voyage optimization

Cargo operations

English proficiency

Education

Chief Officer certificate

Job description

Company Description

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

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.