Senior Mine Geologist-Nyanzaga

Position Purpose

The Senior Mine Geologist is directly accountable for leading all daily grade control (GC) activities in the open pit and for delivering robust geological inputs in line with the Mine Management Plan (MMP). The role leads GC block modelling and wireframing, plans and supervises reverse circulation (RC) grade control drilling, and manages GC sampling and logging to ensure precise ore–waste delineation and strict control of dilution and ore loss.

The Senior Mine Geologist safeguards the accuracy and integrity of all geological data through validation and effective database management, ensuring that operational decisions are based on reliable, up-to-date information. The role is also responsible for operational end-of-month (EOM) reporting and mine-to-mill reconciliation, and has clear accountability for defining and applying NAF/PAF criteria, and for ensuring material is routed correctly to waste rock dumps (WRDs), NAF/PAF destinations with operational and environmental requirements.

Key Responsibilities

Management of Safety, Environment and Community Relations

• Demonstrate visible safety leadership and promote a strong safety culture within the Mine Geology team
• Participate in the development, review and updating of Job Hazard Analyses (JHAs), Job Safety Analyses (JSAs) and Standard Operating Procedures (SOPs) for mine geology and grade control tasks, and ensure the team understands and applies these procedures
• Identify geology-related hazards at pit faces and drill patterns (access, bench edges, interaction with equipment, heat, dust, visibility) and intervene or stop work where conditions are unsafe
• Support community and environmental objectives by working in line with site requirements and respecting local customs and practices

People Management

• Supervise and mentor Mine Geologists

Job Details

• Employment Type: Full-time
• Location: Nyanzaga, Tanzania
• Company: Sotta Mining Corporation Limited
• Industry: Mining, Science & Engineering, Energy & Mining, Management
• Currency: TZS