RUVARASHE J MANYANGARIRWA
Bentley,Australia
Work Preference
Summary
Detail-oriented master's student at Curtin University with hands-on quality control experience in cement manufacturing. Completed a technology internship at BHP, gaining practical exposure to Pilbara mining operations, PLC, SCADA systems, and technical data management using Microsoft Excel and Power Query. Proficient in sample preparation, XRF analysis, and wet chemistry testing, with a strong focus on accuracy and adherence to safety protocols. Experienced in high-volume, team-based environments, maintaining precision in repetitive tasks while contributing technical skills to enhance team performance.
Overview
4
4
years of professional experience
Work History
Technology Intern
BHP
Perth, WA
06.2026 - 08.2026
- Acquired practical site experience in mining and processing operations within Pilbara, enhancing understanding of operational workflows.
- Developed expertise in industrial automation systems, including PLCs and SCADA applications.
- Evaluated key engineering processes related to management of change (MoC) and control system management, improving documentation and compliance.
- Contributed to a project establishing a safety-critical systems register for PLCs across the plant.
- Enhanced Microsoft Excel skills by utilising Power Query to efficiently organise and consolidate data for clearer analysis.
- Participated in technical meetings on control systems, enhancing collaboration between engineering and operations teams.
Quality Control Intern
Sino Zimbabwe Cement Company
Gweru, Zimbabwe
12.2022 - 08.2023
- Conducted wet chemistry and XRF analysis on 24-hour composite samples to verify product composition and compliance with standards.
- Performed routine physical testing on cement samples, including setting time, fineness and hardness to support daily quality monitoring.
- Reported hourly and 24-hour Quality Control test results to technical and production teams, escalating out-of-spec results to facilitate timely corrective actions.
- Collected and prepared hourly samples of raw materials (limestone, pit sand, and shale), intermediate products (clinker), and final cement products for analysis, ensuring compliance with quality standards.
- Documented XRF and wet chemistry results for hourly and 24-hour composite samples of raw materials, clinker, and cement in laboratory logbooks and digital records, ensuring data traceability and readiness for audits.
- Applied laboratory safety procedures, including PPE use and safe handling of cement and chemical reagents, during daily quality control routine testing.
Education
Master of Professional Engineering - Chemical Engineering
Curtin University
Bentley, WA01-2028
Bachelor of Engineering (Hons) -
National University of Science And Technology
12-2024
Skills
- PLC and SCADA systems
- Quality control processes
- Wet chemistry techniques
- XRF analysis
- Sample preparation
- Data management and analysis
- Data interpretation and recording
- Microsoft Office Suite
- AutoCAD proficiency
- MATLAB programming
- ANSYS simulation
- Quality assurance practices
Accomplishments
- Quality Control Intern, 01/01/23, 08/31/23, Sino Zimbabwe Cement Company
- Carried out departmental-level surveys for the SHEQ policy rollout, helping management monitor staff understanding and adherence to new Safety and Quality procedures.
- Took part in first-time production of 42.5R cement, performing Quality Control on trial batches and assisting in formulation adjustments to ensure production readiness and compliance with company systems.
- Industry Site Visit Participant, 09/01/25, Alcoa, Completed certified site visit observing bauxite mining, alumina refining, process flow, and industrial safety systems.
Projects
- Design Project, 08/01/23, 06/30/24, Design of a 1050 TPD Bioleaching Gold Plant to recover gold, Bulawayo, Zimbabwe, Designed a 1050 tonnes-per-day bioleaching gold processing plant for recovery of residual gold from tailing., Developed process flow diagrams and plant layout for continuous tailing reprocessing operations., Conducted material and mass balance calculations to support plant throughput and target gold recovery., Selected and sized major unit operations including bioleaching reactors, solid-liquid separation units, and auxiliary systems., Evaluated operating parameters (pH, residence time, temperature, aeration) to optimise bioleaching performance., Assessed environmental and sustainability impacts, demonstrating reduced waste volume and improved resource utilisation.
- Research Project, 08/01/23, 05/31/24, Process Control and Optimisation for raw material proportion, Bulawayo, Zimbabwe, Identified Kiln boulder formation as a process instability caused by inconsistent raw material proportions., Analysed raw material chemical compositions to determine optimal mix ratios for stable kiln operation., Developed an Excel-based calculation model to determine correct raw material proportions in real time., Designed and implemented a Python-based control system to automate proportion calculations and decision making., Applied process control principles to reduce raw mix variability and improve kiln performance.
Work Rights
Valid work permit (Student Visa (Subclass 500))
Timeline
Technology Intern
BHP
06.2026 - 08.2026
Quality Control Intern
Sino Zimbabwe Cement Company
12.2022 - 08.2023
Master of Professional Engineering - Chemical Engineering
Curtin University
Bachelor of Engineering (Hons) -
National University of Science And Technology