Mining Jobs: 13 Positions at Sotta Mining Corporation
Vacancies at Sotta Mining Corporation Limited
Position: Senior Mining Engineer (1 position)
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Reports to: Mining Manager
The Senior Mining Engineer develops and delivers practical mine designs and short- to medium-term production plans to safely and efficiently supply ore to the crusher under the Contract Mining model at Nyanzaga. Working as a key member of the Technical Services team, the role supports the Technical Services Superintendent to improve mine planning quality, safety performance and contractor productivity by integrating sound engineering, risk management and grade-control requirements into day-to-day mining activities.
- Incorporate environmental and community requirements into mine plans, including PAF/NAF WRD strategy, water management, progressive rehabilitation and mining within approved land-access limits.
- Mentor and develop national Mining Engineers and Junior Engineers in mine design, planning, software and field follow-up, in line with Mining Department capability objectives.
- Develop and maintain practical pit, stage/push-back, haul-road, ROM pad, stockpile and WRD designs that respect geotechnical, hydrogeological, environmental and permitting constraints.
- Translate LOMP outputs into realistic 1-5 year tactical plans and support the development of annual mining budgets (ore, waste, strip ratio, drill metres, equipment requirements).
- Work with Drill & Blast Engineers and the Explosives Contractor to review and optimise patterns, charge designs and timing to meet fragmentation, wall control and cost targets.
- Coordinate closely with Mine Geology so grade-control drilling, ore mark-ups and stockpile management are fully integrated into mine designs and schedules.
- Prepare concise daily, weekly and monthly technical reports on production, plan compliance, key variances and emerging risks for internal and corporate stakeholders.
Qualifications & Licences/ Experience/Skills
- BSc in Mining Engineering or equivalent.
- Valid driver’s licence and ability to obtain/hold all necessary site and statutory certifications (Minimum 7 years’ open-pit mine production and planning experience, including substantial short/medium-term planning exposure).
Position: Drill & Blast Engineer (2 positions)
Reports to: Senior Mining Engineer
The Drill and Blast Engineer provides technical expertise and planning support to safely and efficiently execute all drill and blast activities at Nyanzaga. The role ensures drill and blast designs, schedules, explosives management and QA/QC processes are aligned with the SMCL Mining Department Management Plan (MMP), production targets, legal and licence conditions, and community and environmental constraints (including vibration, noise, flyrock, and dust).
Working closely with Operations, Technical Services and contractors, the Drill & Blast Engineer helps deliver predictable fragmentation, diggability, and ore exposure to support consistent mill feed and cost-effective mining.
- Ensure all drill and blast / mining activities and procedures adhere to the applicable mining regulations.
- Develop short-, medium- and long-term drill and blast designs, including patterns, charge plans, timing and initiation sequences.
- Conduct fragmentation analysis and continuously improve blast performance.
- Optimise drilling and blasting parameters to reduce dilution, improve productivity, and manage costs.
- Monitor execution quality, including hole depths, accuracy, charging, stemming, and timing.
- Conduct blast readiness checks and post-blast inspections.
- Ensure explosives are stored, handled, and used in compliance with legal and company requirements.
- Perform blast risk assessments, vibration and air-blast monitoring, and implement control measures.
- Act as the responsible engineer for the explosives magazines, ensuring that storage, handling and security of explosives comply with Tanzanian legal requirements, licence conditions and SMCL standards.
- Ensure magazine safety standards are implemented and maintained, including housekeeping, signage, segregation, emergency equipment and access control.
- Analyse production drilling and blasting KPIs, including cost per metre, powder factor, and fragmentation results.
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Qualifications & Licences/ Experience/Skills
- Bachelor’s degree in mining engineering or equivalent.
- Tanzanian blasting certification or ability to obtain one (mandatory).
- Valid driving licence.
- 3-7 years’ experience in open-pit drill and blast engineering, ideally in gold or hard-rock mining.
- Experience working with modern blast design software (e.g., BlastMap, SHOTPlus, Vulcan, Minesight).
Position: Geotech Engineer (2 positions)
Reports to: Senior Geotechnical Engineer
The Geotechnical Engineer supports safe, compliant, and efficient open pit mining at Nyanzaga by implementing the geotechnical elements of the SMCL Mining Department Management Plan (MMP) and Ground Control Management Plan (GCMP). The role focuses on day-to-day slope stability management, geotechnical monitoring, mapping and face mapping, data analysis, and providing timely advice to Mining, Drill & Blast, Mine Planning and Geology teams so that pit walls, haul roads and waste rock dumps are designed, operated and maintained within agreed geotechnical design criteria and risk tolerances.
Roles and Responsibilities
- Act as a visible safety leader in the pit and field, aligning behaviours with SMCL and Perseus safety values and the MMP.
- Comply with and promote SMCL HSE policies, procedures, life-saving rules and critical control requirements.
- Support environmental compliance related to geotechnical structures (e.g., drainage, erosion, dump stability), and respect community and land access requirements around pits and dumps.
- Support the Senior Geotechnical Engineer in building geotechnical awareness across Mining, Geology, Survey and Contractor teams.
- Model collaborative and respectful behaviours when working with contractors and SMCL teams.
- Implement and manage routine geotechnical monitoring programs (e.g., prism surveys, visual inspections, wall mapping, radar/instrument data where applicable) in line with the GCMP.
Qualifications and Licences/ Experience/Skills
- Bachelor’s degree in Geotechnical Engineering, Geological Engineering, Mining Engineering (with strong geotechnical content) or equivalent.
- Eligibility for professional registration with a recognised engineering body is an advantage. (Preferred)
- Minimum 3-5 years’ experience in open pit geotechnical engineering or closely related role in hard-rock open pit gold or base metals operations.
- Valid driver’s licence suitable for site conditions.
Position: Mining Engineers (2 positions)
Reports to: Senior Mining Engineer
The Mining Engineer supports safe, efficient open-pit mining in line with the SMCL MMP by preparing short-term mine plans, pit designs and production schedules, monitoring execution, and providing technical support to Operations, Drill & Blast and Mine Geology. The role works closely with the mining contractor and internal teams to ensure plans are practical, understood and aligned with production, cost and HSE targets.
Roles and Responsibilities
- Ensure designs, schedules and instructions comply with legal, environmental and community obligations.
- Communicate plans clearly to supervisors, operators and the mining contractor to support safe, disciplined execution.
- Prepare practical short-term pit designs, staging consistently with the MMP and LOM plan.
- Develop and maintain daily, weekly and monthly production schedules (ore, waste, drill & blast, haulage).
- Issue clear dig plans, loading plans and haulage instructions to support ore routing, ROM pad and WRD management.
- Track plan vs actual performance (tonnes, BCM, strip ratio, fleet productivity, drill & blast results) and recommend corrective actions.
- Collect, validate and store production and contractor data to support end-of-month and management reporting.
Qualifications and Licences/ Experience/Skills
- BSc Mining Engineering or other technical degree related to mining.
- At least 3 years of experience in open pit mining including General Mine Planning and mine scheduling package knowledge and user of CAD, GIS and Microsoft packages.
- Valid driving license.
Position: Senior Mine Geologist (3 positions)
Reports to: Mine Geology Superintendent
The Senior Mine Geologist is directly accountable for leading all daily GC activities in the open pit and for delivering robust geological inputs in line with the MMP. The role leads GC block modelling and wireframing, plans and supervises 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 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.
Roles and Responsibilities
- 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.
- Supervise and mentor Mine Geologists, Junior Geologists and Grade Control Technicians to build capability in GC drilling supervision, sampling, logging, GC wireframing, GC block modelling, database management and reconciliation.
- Provide on-the-job training and coaching to develop national staff, supporting structured competency development and succession planning.
- Plan and supervise RC GC drilling programs to achieve appropriate data density for ore–waste delineation in line with the MMP.
- Lead QA/QC for GC sampling (standards, blanks, duplicates, repeats) and investigate and close out any QA/QC issues.
- Maintain and update GC mineralisation wireframes using current drilling, mapping and logging data.
- Build and update short-range GC block models to support ore mark-up, short-term planning and dilution control.
- Issue clear, accurate ore polygons and dig plans to Mining and Survey to minimise ore loss and dilution and meet grade targets.
- Ensure all GC drilling, sampling, logging and assay data are captured, validated and loaded into the geological database in a timely manner.
- Maintain a clean, auditable GC database (including NAF/PAF coding) with robust data validation and QA/QC checks.
- Lead operational reconciliation: GC model vs mined (survey) and mined ore vs plant feed in collaboration with Metallurgy and Mining.
- Prepare monthly reconciliation summaries, including tonnage, grade, dilution and ore loss, and explain key variances and trends.
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Qualifications and Licences/ Experience/Skills
- Bachelor’s degree in Geology, Geological Engineering or equivalent.
- Over 7 years experience in open-pit mine geology and grade control for gold or base metal.
- Demonstrated capability in wireframing and block modelling for operational decision-making and dilution control.
- Proficiency with Micromine for wireframing, modelling and grade control; experience with AcQuire for data management and QA/QC in greenfield to operational ramp-up projects.
Position: Mine Geologist (3 positions)
Reports to: Senior Mine Geologist
The Mine Geologist supports safe, efficient open-pit production by conducting day-to-day mapping and sampling, and supervising RC drilling and excavation activities.
The role focuses on accurate ore–waste delineation, clear dig instructions and correct material routing in line with the MMP.
Roles and Responsibilities
- Conduct task observations, report near misses/unsafe acts/hazards, follow JHAs/SOPs, and stop work when conditions are unsafe.
- Coordinate Department safety meetings and reports on safety occurrences.
- Lead pit technicians and Junior Geologists involved in all activities of grade control, and adhere to set policies and procedures.
- Conduct pit mapping and update geology plans and sections.
- Supervise and log RC grade control drilling (mark-up, collar checks, sampling, recoveries).
- Oversee and participate in sampling (RC, blast holes and pit faces) and ensure sample quality.
- Prepare and issue daily dig mark-ups and ore/waste instructions to contractor supervisors.
- Help manage ROM and stockpiles (grade, domain and oxidation) to support blending and crusher feed.
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Qualifications and Licences/ Experience/Skills
- Must hold a University Degree or Diploma in Geology/Geological Engineering with not less than 3 years’ experience in the mine operations.
- Experience in open-pit gold operations.
- Micromine knowledge (or similar 3D mining package) is an advantage.
- Valid driving license.
Send a covering letter together with your detailed CV and certificates to hrtanzania@perseusmining.com
Company address: HR Manager, Sotta Mining Corporation Limited, P.O. Box 434, Mwanza.
Deadline for applications is 5th January 2026. Only shortlisted applicants will be contacted.