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Lead Geologist, Resources Modeler II

Job in Riyadh, Riyadh Region, Saudi Arabia
Listing for: Ma’aden
Full Time position
Listed on 2026-01-13
Job specializations:
  • Engineering
    Geology / Geoscience, Environmental Engineer, Environmental Compliance
  • Science
    Geology / Geoscience, Environmental Compliance
Salary/Wage Range or Industry Benchmark: 150000 - 200000 SAR Yearly SAR 150000.00 200000.00 YEAR
Job Description & How to Apply Below

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.
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