Title: Drill & Blast Engineer Vacancies (2 positions) – Sotta Mining Corporation Limited – December 2025

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.

Key Responsibilities:

• 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.

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. modern blast design software (e.g., BlastMap, SHOTPlus, Vulcan, Minesight)).

Application method: Send a covering letter together with your detailed CV and certificates to [email protected]

Company address: HR Manager, Sotta Mining Corporation Limited, P.O. Box 434, Mwanza

Deadline for applications: 5th January 2026. Only shortlisted applicants will be contacted.