Lead Geologist, Resources Modeler II

Ma’aden; Riyadh; On-site; SAR 300,000 - 400,000; Full time

Job summary

A leading mining and minerals company in Saudi Arabia is seeking a seasoned professional to lead geological modeling and resource estimation activities. Candidates must possess a Bachelor's degree in Geology, with a Master's being advantageous, alongside 7-10 years of experience in geological modeling and resource estimation. The role involves leading a team, collaborating with drilling teams, and generating technical documents. Strong knowledge in geological modeling software like Leapfrog, Datamine, and Surpac is essential, along with outstanding analytical and leadership skills. The position offers a competitive salary and professional development opportunities.

Qualifications

• Minimum of 7-10 years of experience in geological modeling and resource estimation.
• Strong technical expertise and proficiency in geological modeling software.
• Leadership and communication skills to guide a team effectively.

Responsibilities

• Lead geological modeling and resource estimation activities.
• Collaborate with exploration and drilling teams for geological data.
• Generate geological reports and technical documents for stakeholders.

Skills

Geological modeling software proficiency

Leadership skills

Analytical skills

Education

Bachelor's degree in Geology or related field

Master's degree in Economic Geology or Resource Estimation

Tools

Leapfrog

Datamine

Surpac

Job description

Key Accountabilities

• Lead geological modeling and resource estimation activities, including compiling geological data, interpreting geological information, developing geological models and performing mineral resource estimates using specialized software.
• Collaborate with a team of geologists, providing leadership, guidance, and technical support to ensure accurate and reliable geological models and resource estimates.
• Conduct geological data analysis and interpretation, including drill hole logging, lithological analysis, and structural interpretation, to identify mineralization trends and geological controls.
• Collaborate with exploration and drilling teams to design drilling programs, plan sampling campaigns, and collect geological data for input into geological models.
• Build geological models using modeling software, such as Leapfrog, Datamine, or Surpac, incorporating geological data, structural data, and assay results to create 3D representations of ore bodies and mineral deposits.
• Perform resource estimation and classification using geostatistical methods and techniques, such as ordinary kriging, inverse distance weighting, or conditional simulation to quantify mineral resources.
• Validate geological models and resource estimates, including cross‑validation with drill hole data, comparison with historical data, and sensitivity analysis to assess model robustness.
• Generate geological reports, resource statements, and technical documents for internal use, regulatory compliance, and reporting to stakeholders, including management, investors, and regulatory agencies.
• Provide technical expertise and support to project teams, including engineers, mine planners, and metallurgists, interpreting geological models, and resource estimates, and providing insights for project planning and development.
• Stay updated with industry best practices, advancements in geological modeling software, and changes in regulatory requirements related to resource estimation and reporting.

Minimum Qualifications, Experience and Competencies

Minimum Qualifications

Bachelor's degree in Geology, Geological Engineering, or related field; master's degree or specialization in Economic Geology or Resource Estimation is advantageous

Minimum Experience

Minimum of 7-10 years of experience in geological modeling, resource estimation, or related roles, with progressive experience in mineral exploration and mining projects.

Ma’aden High Performance Competencies

Skills:

• Strong technical knowledge and proficiency in geological modeling software, such as Leapfrog, Datamine, or Surpac, and geostatistical techniques for resource estimation.
• Leadership and communication skills, with the ability to lead and motivate a team of geologists and technicians to achieve project objectives and meet deadlines.
• Excellent analytical and problem‑solving skills, with the ability to analyze complex geological data, interpret geological information, and develop reliable geological models and resource estimates.