
Job description
The Principal Geologist provides technical leadership across Grade Control, Mine Exploration, and Mineral Resources, working in close collaboration with Mine Engineering, Drill & Blast, and Operations. The Principal Geologist ensures full compliance with RGM Health, Safety, and Environmental (HSE) standards and plays a key role in expanding Rosebel’s resources and reserves through effective grade control, near-mine exploration, and geological modeling.
Key Responsibilities:
1. Ore / Grade Control
Provide technical leadership to the Grade Control team for RC and blast hole sampling.
Optimize ore/waste delineation and minimize dilution through best mining practices.
Review blast patterns and ore control models (packet modeling).
Validate end-of-month Mine and Mill production figures.
Lead monthly reconciliation reviews and interpretation of results.
Conduct annual reviews of production block model parameters, including variography and capping.
Maintain continuous coordination with Drill & Blast, Mine Operations, and Mine Engineering teams.
2. Mine Exploration
Provide technical oversight of data collection, logging, and geological interpretation.
Develop and review a rolling 5-year near-mine exploration strategy to support resource expansion.
Review and approve near-mine drilling campaigns, including infill and expansion drilling.
Ensure QA/QC standards are applied and validated prior to geological and resource modeling.
3. Mineral Resource Modeling
Ensure timely delivery of drilling data, geological models, and resource models to meet corporate deadlines.
Review, validate, and approve geological models developed on site.
Review and validate resource models and official reserve statements, whether produced internally or by consultants.
Maintain close collaboration with short- and long-term mine planning teams to incorporate new geological results into mine designs.
4. Leadership, Budget & Compliance
Ensure all departmental and contractor activities comply with RGM Health & Safety policies and standards.
Demonstrate visible and proactive HSE leadership.
Prepare annual departmental budgets and provide quarterly forecasts.
Monitor departmental expenditure and ensure costs remain within approved budgets.
Lead technical training programs to build local workforce capability.
Develop and implement succession plans for critical technical and leadership roles within the department.
Job requirements
The ideal candidate will have:
Bachelor's degree in Geology, Geosciences or related field
Registered (or ability to obtain registration) within an appropriate professional organization
Minimum 10 years’ experience in Mining Operations, Exploration, and Resource modeling.
Good knowledge of the following software: Excel, Access, Leapfrog and Minesight.
Willingness to work in Brokopondo and Paramaribo on a rotational schedule of 14 days of work followed by 7 days break
A copy ID & a valid proof of good conduct “Bewijs goedgedrag”
Good communication and interpersonal skills in English.
- Rosebel Gold Mines Site, Brokopondo, Suriname
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