About Us

Lyon Mining Services Ltd is a Rwanda-based mining consulting company providingspecialized technical and operational support to mining projects.

Our services include mine surveying, underground and surface 3D SLAM/LiDARscanning, geological consulting, mining engineering, mine planning and design, digital mining solutions, and mine management support.

We combine experienced technical professionals with modern technologies to helpmining companies improve safety, productivity, accuracy, operational control, anddecision-making.

Our goal is to contribute to the development of a mining industry that is smarter, more productive, and globally competitive.

The Role

Lyon Mining Services Ltd is seeking a motivated and technically competent Mining Geologist to join our technical team.

The Geologist will support geological activities across various mining and explorationprojects, including geological mapping, sampling, logging, mineral identification, grade control, geological data collection and interpretation, resource evaluation, and geological reporting.

The position involves regular fieldwork at mining and exploration sites across Rwanda and close collaboration with mining engineers, surveyors, processing teams, mine operators, and clients.

Key Responsibilities

• Conduct geological mapping, sampling, logging, and mineral identification at mining andexploration sites.
• Support grade control, orebody interpretation, and geological data collection.
• Prepare geological maps, sections, sampling records, and technical reports.
• Interpret geological and assay data to support mine planning and production activities.
• Assist with exploration, resource evaluation, and geological modelling.
• Collaborate with mining, survey, processing, and operational teams.
• Maintain accurate geological databases, sample records, and field documentation.
• Ensure compliance with health, safety, environmental, and professional standards.

Requirements

• Bachelor’s degree in Geology, Applied Geology, Mining Geology, Earth Sciences, or a related field.
• Practical knowledge of mining or exploration geology.
• Good understanding of geological mapping, sampling, logging, grade control, and mineral identification.
• Ability to interpret geological and assay data and prepare clear technical reports.
• Familiarity with GIS, geological, CAD, or mine-planning software is an advantage.
• Strong analytical, communication, teamwork, and fieldwork skills.
• Willingness to travel regularly and work at mining sites across Rwanda.
• Good command of English; knowledge of Kinyarwanda and/or French is an advantage.

What We Offer

• Opportunity to work on a variety of mining, exploration, and geological consulting projects.
• Exposure to both underground and surface mining operations.
• Opportunity to work alongside mining engineers, surveyors, geologists, and other technical specialists.
• Exposure to modern mining and digital technologies, including SLAM/LiDARscanning, GNSS surveying, drone surveying, 3D mine visualization, and geological data integration.
• Continuous professional development and practical field experience.
• A dynamic working environment with opportunities for increased technical and professional responsibility.
• Competitive remuneration based on qualifications, experience, and demonstrated capability.

• Conduct geological mapping, sampling, logging, and mineral identification at mining andexploration sites.
• Support grade control, orebody interpretation, and geological data collection.
• Prepare geological maps, sections, sampling records, and technical reports.
• Interpret geological and assay data to support mine planning and production activities.
• Assist with exploration, resource evaluation, and geological modelling.
• Collaborate with mining, survey, processing, and operational teams.
• Maintain accurate geological databases, sample records, and field documentation.
• Ensure compliance with health, safety, environmental, and professional standards.

• Strong analytical skills
• Communication skills
• Teamwork skills
• Fieldwork skills
• Familiarity with GIS, geological, CAD, or mine-planning software (advantageous)

• Bachelor’s degree in Geology, Applied Geology, Mining Geology, Earth Sciences, or a related field.
• Practical knowledge of mining or exploration geology.
• Good understanding of geological mapping, sampling, logging, grade control, and mineral identification.
• Ability to interpret geological and assay data and prepare clear technical reports.
• Willingness to travel regularly and work at mining sites across Rwanda.
• Good command of English
• Knowledge of Kinyarwanda and/or French (advantageous)