Summary
Overview
Work history
Education
Skills
Certification
LANGUAGES
REFERENCE
Timeline
Generic
William Nkiwe Ramarumo

William Nkiwe Ramarumo

Mooikloofridge,South Africa

Summary

Experienced Sinker and Acting Shift supervisor skilled in shaft bottom preparation, controlled blasting, support installation and safe stage operation in specialized sinking environments and trackless mining. Proficient in operating shaft muckers, Vertical drill rigs and trackless equipment, with strong knowledge of geological marking and cementation activities. Committed to safe production leadership through risk assessments, incident investigations and strict safety compliance, supported by a Blasting Certificate and ongoing mine overseer studies.

Overview

12
12
years of professional experience
8
8
years of post-secondary education
1
1
Certification

Work history

Acting Supervisor

Venetia Mine
2025.09 - 2026.04
  • Supervised and controlled all shaft operations to ensure safe and efficient hoisting of personnel, materials, and equipment.
  • Ensured full compliance with the Mine Health and Safety Act (MHSA) and company safety standards.
  • Conducted and recorded daily shaft inspections and workplace examinations.
  • Managed and coordinated banksmen, onsetters, and shaft crews to meet production schedules.
  • Controlled loading, signaling, and communication with the winder driver and control room.
  • Monitored shaft availability, delays, and breakdowns, and reported deviations to management.
  • Ensured shaft furniture, cages, conveyances, buntons, and guides were maintained in a safe condition.
  • Identified hazards, implemented corrective actions, and stopped unsafe work when required.
  • Managed shaft operations during blasting, maintenance, and abnormal conditions.
  • Completed shift reports, logbooks, and statutory records accurately and on time.
  • Investigated incidents and participated in risk assessments and safety meetings.
  • Enforced housekeeping standards at shaft bank, shaft bottom, and loading points.
  • September 2025 – Present (Fixed term contract)

Shaftman Grade 1 | Shaft Timberman

Cementation Africa
Johannesburg
2025.09 - 2026.04
  • Conduct shaft examinations and identify defects
  • Install, maintain, and repair shaft timber and steel supports
  • Ensure shaft safety and compliance with MHSA and mine standards
  • Coordinate with onsetter, banksman, and winder driver
  • Maintain good housekeeping at shaft stations and landings
  • Complete shift reports and safety documentation
  • September 2025 – Present (Fixed term contract)

Acting Sinker

Murray and Roberts Cementation
Johannesburg, South Africa
2024.03 - 2025.04
  • Ensures the crew adheres to required PPE
  • Participate in required Safety meetings
  • Conducts accidents and incidents investigations and implement necessary precautions to avoid re-occurrence
  • Communicate the daily mining plans to the crew
  • Allocation of responsibilities to the crew
  • Daily conducts re-entry examinations
  • Conducts risk assessments
  • Marking off of support
  • Mark the Shaft bottom per the geological reports
  • Charging up of the shaft bottom and safe blasting
  • Reason for leaving: Retrenched

Shaftman 1 | Trackless mining | Shaft sinking

Murray and Roberts Cementation
Johannesburg, South Africa
2020.11 - 2024.03

· Safe operation of the stage

· Installing support

· Operate shaft muckers and drill rigs

· Conducting all assigned work in a satisfactory and competent manner

· Ensuring for the safety of others

· Complying with the Health and Safety policy and practices of the company

Shaft Nipper | Shaft sinking

Murray and Roberts Cementation
Johannesburg
2016.08 - 2020.11
  • Providing physical labour support to the project site team on the stage
  • Operate TMM Manito
  • Controlling and guiding conveyances through the stage, operating stage jacks and airhoists
  • Operating site mobile equipment such as forklifts and mobile cranes
  • Communicating emergencies and standard conditions, monitoring system and equipment gauges
  • Complying with the Health and Safety policy and practices of the company

General worker | Shaft sinking

Murray and Roberts Cementation
Johannesburg
2014.08 - 2016.08
  • Complete all assigned tasks in a timely and efficient manner
  • Assisting with a variety of site labour tasks
  • Maintain a safe and clean job site by handling materials and storing them properly
  • Picking up, removing all tools and equipment when not in use, and securing the job site daily
  • Ensure Working equipment and tools are cleaned and stored properly
  • Operate in accordance with safe working procedures

Education

Diploma - mining engineering | Distance Learning

University of South Africa
Pretoria, Gauteng
2024.01 - 2026.01

Mine Overseer's Certificate of Competency - Mining

Department of Minerals Recourse and Energy
Polokwane, Limpopo
2025.03 - 2026.01

National diploma - safety management

University of South Africa
Pretoria, Gauteng
2016.01 - 2019.12

Blasting Engineering - undefined

University of Pretoria
Pretoria, Gauteng
2025.02 - 2025.09

Advanced diploma | Incomplete - safety management

University of South Africa
Pretoria, Gauteng
2020.01 - 2020.12

Grade 12 -

Dr Sam Motsuenyane comprehensive school

Skills

  • Blasting & Explosives Operations
  • Shaft Sinking & Support Installation
  • Risk & Hazard Assessment
  • Quality Control & Inspection
  • Team Leadership & Supervision
  • Safety Compliance & Incident Investigation
  • Technical & Mechanical Aptitude
  • Computer Literacy (MS Office)

Certification

  • Blasting Certificate for Scheduled mines, Department of Mineral resources and energy April 2024
  • Competent person A, Mining Qualification Authority, July 2020
  • Competent person B, Mining Qualification Authority, July 2020
  • Blasting assistance, Mining Qualification Authority, July 2020
  • Onsetter, Mining Qualification Authority, August 2016
  • License to supervise, Murray and Roberts training Academy, March 2015
  • Incident Investigation level 3, Nosa, December 2013
  • Train the trainer, Nosa, December 2013
  • Incident Investigation level 3, Nosa, May 2021
  • Certificate of achievement Electrical engineering N4, Tshwane South College, August 2012

LANGUAGES

English - Intermediate
Setswana - Intermediate
Zulu - Intermediate
Pedi - Intermediate
Venda - Intermediate

REFERENCE

  • Charles, Botha, Mine Overseer, charles.botha@cementationafrica.com, +27 78 133 8767, Cementation Africa (Venetia mine)
  • Gina, Sipho, Engineering foreman, sipho.gina@debeersgroup.com, +27 155752633, 0786839109, Debeers group (Venetia Mine)
  • Zungu, Kwenza, Shaft foreman, kwenza.zungu@debeersgroup.com, +27 155752712, 0788448493, Debeers group (Venetia Mine)
  • Sinazo, Mbodla, Quality Control Manager, sinazo.mbodla@cementationafrica.com, +27 11 201 5047, 0719752360, Cementation Africa (Venetia Mine)

Timeline

Acting Supervisor

Venetia Mine
2025.09 - 2026.04

Shaftman Grade 1 | Shaft Timberman

Cementation Africa
2025.09 - 2026.04

Mine Overseer's Certificate of Competency - Mining

Department of Minerals Recourse and Energy
2025.03 - 2026.01

Blasting Engineering - undefined

University of Pretoria
2025.02 - 2025.09

Acting Sinker

Murray and Roberts Cementation
2024.03 - 2025.04

Diploma - mining engineering | Distance Learning

University of South Africa
2024.01 - 2026.01

Shaftman 1 | Trackless mining | Shaft sinking

Murray and Roberts Cementation
2020.11 - 2024.03

Advanced diploma | Incomplete - safety management

University of South Africa
2020.01 - 2020.12

Shaft Nipper | Shaft sinking

Murray and Roberts Cementation
2016.08 - 2020.11

National diploma - safety management

University of South Africa
2016.01 - 2019.12

General worker | Shaft sinking

Murray and Roberts Cementation
2014.08 - 2016.08

Grade 12 -

Dr Sam Motsuenyane comprehensive school
William Nkiwe Ramarumo