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We are Mantle 8, a clean-tech start-up revolutionising natural hydrogen exploration with cutting-edge technology and geology. We seek an experienced reservoir engineer to help deliver our transformative technology for the energy transition.

Natural hydrogen offers an affordable, abundant energy source, with significant potential in Europe. At Mantle 8, we leverage 20+ years of expertise in geology, predictive modelling, and 4D imaging to pinpoint optimal reserves.

Backed by leading clean-tech investors, including Breakthrough Energy Ventures and Kiko Ventures, we’re scaling up affordable natural hydrogen—and you could be a key of this journey!

What the job is about

We are looking for an innovative and ressourceful Reservoir Engineer who wishes to actively contribute to successful development projects in the energy transition.

You will work with integrated project teams composed of geophysicists, geochemists, and geologists to perform various subsurface studies. Your strong technical and analytical skills will be essential to conducting detailed analyses of production performance, building and using dynamic simulation models, and proposing optimized development plans.

You will leverage our innovative reservoir simulation software alongside other industry-standard tools.

You will report directly to the Geology Lead and will be based at our main office in the heart of the French Alps near Grenoble.

What you'll be doing

• Analyze geological, geophysical and petrophysical data from rock samples to well log data to assess subsurface reservoirs
• Develop statistic and dynamic reservoir models to predict fluid / gas production potential,
• Perform reservoir simulations to optimize well location and reservoir production
• Propose and apply creative workflows using cutting-edge technologies.
• Collaborate with geologists and geophysicists to build accurate reservoir models.
• Communicate effectively with collaborators at all levels, providing regular updates on project progress, challenges, and solutions.

Our ideal profile

• MSc or PhD in Reservoir Engineering, Geoscience.
• At least 5 years of industry experience with strong proficiency in reservoir simulation, modelling, and dynamic subsurface data analysis.
• Proven ability to integrate and analyze subsurface data for reservoir and well behaviour modelling using historical and proprietary data.
• Strong understanding of data measurement and calculation conditions, with preferred expertise in sedimentary petrology, petrophysics, sedimentology, and field geology.
• Demonstrated ability to foster effective collaboration with technical teams and partners in multidisciplinary settings.
• Proficiency in French is preferred.

What we offer

• A competitive salary with additional benefits including meal & vacation vouchers, corporate welfare plan and supplementary health insurance
• Indefinite contract with worker protection as provisioned by French law
• A unique opportunity to contribute to groundbreaking hydrogen exploration research across all fields of geosciences.
• A collaborative and innovative work environment in the heart of the French Alps.
• Professional growth opportunities in a top EU clean-tech start-up in a rapidly evolving energy sector.

Come join us and play a key role in our journey to revolutionizing the energy transition!

Mantle8 is an equal opportunity employer committed to diversity and inclusion. Applications from individuals of all backgrounds are welcomed.