Summary: Perseus Mining Job Vacancy — Senior Mine Geologist

Job Details

  • Deadline: September 3, 2026
  • Company: Perseus
  • Location: Mwanza, Tanzania

Job Description

Perseus Mining Job Vacancy — Senior Mine Geologist

Senior Mine Geologist

Job Details

Company

Perseus

Mining (Tanzania) Limited (SMLC)

Department

Mine Geology / Open Pit Operations

Position

Location

Mwanza, Tanzania

Closing Date

September 3, 2026

Role Overview

Perseus Mining (Tanzania) Limited is seeking an experienced

to lead daily Grade Control (GC) operations in an open-pit gold mine in Mwanza. The role is directly accountable for GC block modeling, wireframing, supervising Reverse Circulation (RC) drilling programs, managing geological data integrity, and directing ore-waste delineation. The position also oversees material classification (NAF/PAF) for waste rock dumps, end-of-month reporting, and mine-to-mill reconciliation.

Key Duties & Responsibilities

Safety & Environment

Promote site safety standards, oversee JHA/SOP implementation, identify geological pit hazards, and enforce safe field practices across drill patterns and benches.

Team Leadership & Mentorship

Supervise, assign tasks to, and train Mine Geologists and GC Technicians in geological logging, wireframing, sampling QA/QC, and database management.

Grade Control Drilling & Sampling

Plan and supervise RC grade control drilling programs, oversee blast-hole sampling, maintain chain-of-custody protocols, and manage QA/QC standards (blanks, duplicates, repeats).

Wireframing & Block Modeling

Update mineralization wireframes and short-range GC block models to support ore mark-ups, short-term mine planning, and dilution control.

Ore Delineation & Waste Routing

Issue ore polygons and dig plans to Mining and Survey teams to prevent ore loss. Guide ROM pad stockpile management and define NAF/PAF (Non-Acid Forming / Potentially Acid Forming) criteria for correct waste dump routing.

Database Management

Validate, load, and audit all drilling, sampling, logging, and assay data within the central geological database.

Reconciliation & Reporting

Lead operational mine-to-mill and GC-to-mined reconciliations, analyze tonnage/grade variances, track dilution and ore loss, and prepare weekly/monthly technical summaries.

Qualifications & Requirements

Education

Bachelor’s Degree in Geology, Geological Engineering, or an equivalent technical discipline.

Work Experience

3 to 5 years of experience in open-pit mine geology and grade control (gold mining experience preferred).

Professional Membership

Membership in a recognized geology or mining professional body is desired.

Licensing

Valid driver’s license

suitable

for manual vehicles and open-pit mine-site conditions.

Technical Skills

Proficiency in short-range block modeling, GC wireframing software, geological database management systems, and QA/QC analytical protocols.

How to Apply

Interested candidates should send their application via email

Email Address

[email protected]

Email Subject Line

Application Deadline

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How to Apply

Application link: Apply for this job