Millicent Macheru
Middlemount,QLD
Summary
Mining Engineer with over 6 years’ underground and open pit experience in short-mid term mine planning, design, business improvement and leadership across Australia and South Africa. Holds an honours degree in BSc Mining Engineering and Postgraduate Diploma in Business Administration (PDBA). Highly motivated, performance driven with proven ability to build and manage relationships. Committed to data driven decision making to drive continuous improvement across the value chain. Passionate about operational and technical excellence by imbedding business tactics that support stable and capable processes to optimize productivity, reduce costs and ensure sustainability of operations.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Operations Planning Specialist
Anglo American, Aquila Mine
09.2021 - Current
- Provided technical support to the General Manager through identifying and modelling options and improvement initiatives for achieving business plan
- Identified, prioritized and executed improvement projects through analysis of process performance
- Identified and analysed operational planning measures important to driving value for the mine
- Developed business improvement capability through documenting, training and coaching Managers and Superintendents to sustain operating model behaviours, systems and practices
- Introduced stochastic modelling to build production and financial predictive models to give confidence of achieving business expectations and budget
- Improved annual forecast accuracy to within 5% variance using an integrated Operating Master Schedule (OMS) that integrates production and service strategies.
- Identified mine constraints and improvement opportunities through business structure performance modelling
- Developed Power BI dashboards for visualizing and analyzing process performance data.
- Collaborated with Group Data Analytics Team to deploy digital operational planning tools
- Facilitated cross functional meetings with corporate principals across Geoscience, Geotechnical, Gas & Vent, Operational Excellence, Mine Planning, Asset Management to integrate technical and production inputs
Mine Planning Engineer
Anglo American, Grasstree Mine
04.2020 - 12.2021
- Generated and optimised short-mid term production schedules using XPAC with focus on delivering business plan and budget
- Provided technical inputs to Group Portfolio as part of the Integrated Planning Process (IPP) by completing options analysis on the full year forecast and 5 Year Business Plan
- Prepared and presented MOP (Monthly Operating Plan), MPR (Monthly Performance Review) and QPR (Quarterly Performance Review) to managers and corporate executives
- Designed mine plans using AutoCAD in accordance with mine design guidelines
- Compiled mine value chain reconciliation from resource to product to identify operational planning, performance and recovery issues and inform future forecasts
- Identified and communicated risks and opportunities to the schedule and ran high level sensitivity analysis
- Generated spatial and volumetric compliance to plan to determine effectiveness of mining operations against business plan
- Defined, scheduled and managed high impact mine activities (i.e. ventilation, secondary support installation, SIS & UIS drilling, maintenance, longwall move) through MS Project
- Defined and monitored actual daily, weekly and monthly production performance against Monthly Operational Plan (MOP) and Business Plan (BP)
- Collaborated with geologists, surveyors, gas drainage coordinators, metallurgists, geotechnical engineers, production superintendents to gather accurate inputs to the mine plan
Open Pit Mining Engineer
Anglo American, Dawson Mine
06.2019 - 04.2020
- Prepared short-term (3 months) schedules detailing all coaling operations i.e., mining, maintenance and wash plant feed to support the delivery of business expectations
- Designed pit infrastructure using Deswik CAD with careful consideration to safety, cost minimisation, operational efficiency and asset optimisation
- Reconciled actual production performance and coal qualities against business plan forecast
- Coordinated digging, ROM stockpiles and coal processing to ensure adequate coal of the correct quality was provided to port for scheduled shipment
- Scheduled coal haulage from multiple pits (both thermal and coking) to processing plant – 10 days plan
- Prepared and presented weekly plans and compliance to plan reports to the production team
- Conducted weekly pit inspections
Production Supervisor (Miner/Deputy)
Anglo American, Greenside
01.2017 - 06.2019
- Appointed as a Miner in accordance with the Mine Health and Safety Act, 1996 (Act 29 of 1996) to perform duties of a miner at a board and pillar underground mine
- Led, coached and mentored a team of 11 coal mine workers, successfully delivering on monthly targets with zero injuries
- Golden Hard Hat recipient, for leading the 1st section to produce 1 Million tonnes of coal within 10 months in 2018 using 1 Continuous Miner
- Developed and implemented improvement initiatives applying the Theory of Constraints (TOC) to improve production rates by reducing continuous miner cutting cycle time and shuttle car tramming distance.
- Conducted risk assessment to identify hazards and implemented control measures to ensure safe sustainable operations
- Set and enforced performance-oriented production approach, significantly increasing coal production and reducing non compliance
- Over delivered on monthly production targets with main priority on safety through adherence to mine Standard Operating Procedures (SOPs) and Mine Health and Safety and Act, 1996 (MHSA)
Education
Postgraduate Diploma - Business Administration
Wits Business School
Johannesburg2021
Bachelor of Science - Mining Engineering
University Of Witwatersrand
Johannesburg2016
Skills
- Short-long term mine planning
- Mine design and scheduling
- Budget forecasting
- Leadership
- Effective communication
- Analytical and critical thinking
- Complex problem solving-skills
- Data analysis
- Project Management
- Risk analysis and management
- Stochastic Modelling
- Computerized Skills (Power BI, Tableau, MS Project, XPAC, @Risk, CAD, SQC and Deswik)
Affiliations
AusIMM (Australian Institute of Mining and Metallurgy) Associate
Certification
- Certificate of Competency in Fiery Mines Blasting (South Africa)
- Accelerator Leadership Program
- Leading the Workplace Leadership Program
- TAP Leadership program
- RIIRS301D – Apply Risk Management Processes (S1)
- RIIWHS301D – Conduct Safety and Health Investigations (S2)
- RIICOM301D – Communicate Information (S3)
- RIIRIS402 – Conduct Risk Management Process (G2)
- Simtars EzGas GC certificate
Professional Certificates
- Business Analyst with Power BI
- Power BI Essential Training
- Introduction to @Risk Monte Carlo Simulation
Timeline
Operations Planning Specialist
Anglo American, Aquila Mine
09.2021 - Current
Mine Planning Engineer
Anglo American, Grasstree Mine
04.2020 - 12.2021
Open Pit Mining Engineer
Anglo American, Dawson Mine
06.2019 - 04.2020
Production Supervisor (Miner/Deputy)
Anglo American, Greenside
01.2017 - 06.2019
Postgraduate Diploma - Business Administration
Wits Business School
Bachelor of Science - Mining Engineering
University Of Witwatersrand
- Certificate of Competency in Fiery Mines Blasting (South Africa)
- Accelerator Leadership Program
- Leading the Workplace Leadership Program
- TAP Leadership program
- RIIRS301D – Apply Risk Management Processes (S1)
- RIIWHS301D – Conduct Safety and Health Investigations (S2)
- RIICOM301D – Communicate Information (S3)
- RIIRIS402 – Conduct Risk Management Process (G2)
- Simtars EzGas GC certificate
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