Drill & Blast Manager (open

Cast Coal Mining) At Oza Holdings  ยท  via Remote Communications Jobs
๐Ÿ“ Oza Holdings



To manage all drilling and blasting activities across the mine to ensure safe, cost-effective, legally compliant, and productive operations. The Drill & Blast Manager is responsible for blast design, execution, contractor management, fragmentation quality, vibration control, explosive management, and continuous improvement to support production targets.





Key Responsibilities:

Safety & Compliance





Ensure compliance with MHSA, Explosives Act and company standards.

Develop and maintain drill and blast procedures.

Lead risk assessments, pre-blast inspections and post-blast evaluations.

Investigate incidents and implement corrective actions.

Ensure safe storage, transport and use of explosives.





Drill & Blast Planning





Develop daily, weekly and monthly drill and blast schedules.

Design blast patterns based on geological conditions.

Optimise burden, spacing, stemming and powder factors.

Coordinate drilling, charging and firing activities.

Ensure blast readiness with production and mine planning teams.





Blast Performance





Monitor fragmentation quality.

Minimise fly rock, overbreak, backbreak and vibration.

Improve diggability and downstream crusher performance.

Analyse blast results and implement continuous improvements.





Contractor Management





Manage drilling and explosive service providers.

Monitor contractor productivity and compliance.

Conduct performance reviews.

Ensure contractual obligations are achieved.





Explosives Management





Control explosive consumption and reconciliation.

Manage explosive inventory.

Monitor blast costs.

Ensure accurate reporting and statutory records.





Operational Leadership





Lead Drill & Blast Supervisors and technical personnel.

Coach and mentor team members.

Manage departmental budgets.

Participate in production planning meetings.

Support operational excellence initiatives.





Reporting





Prepare production and blasting reports.

Analyse KPIs and recommend improvements.

Present monthly operational performance.

Report on costs, productivity and safety.





Minimum Requirements





Degree or National Diploma in Mining Engineering.

Valid Blasting Certificate for Opencast Mines.

Mine Manager's Certificate of Competency (advantageous).

Minimum 10 years' open-cast mining experience.

At least 5 years in a Drill & Blast management role.

Coal mining experience is essential.

Experience managing drilling and blasting contractors.

Knowledge of the Mine Health and Safety Act (MHSA).

Valid driver's licence.





Key Performance Indicators (KPIs)





Lost Time Injury Frequency Rate (LTIFR)

Drill availability and utilisation

Blast compliance (% completed as planned)

Powder factor optimisation

Fragmentation quality

Blast-induced vibration compliance

Explosive cost per BCM/tonne

Drilling productivity

Coal recovery

Contractor performance

Budget adherence

Production target achievement





Competencies





Strong leadership and people management

Excellent planning and organisational skills

Technical expertise in drill and blast engineering

Analytical and problem-solving ability

Cost management

Contractor management

Communication and stakeholder engagement

Decision-making under pressure

Continuous improvement minds