TAZVITYA CHRISTUS MAZHIRA
Johannesburg
Summary
Project-oriented engineering professional with over 5 years of experience in managing industrial construction and fabrication projects from inception to completion. Expertise in site coordination, scheduling, cost control, contractor supervision, quality assurance, and safety compliance. Demonstrated success in translating engineering drawings into actionable work plans and leading multi-disciplinary teams to deliver projects on time and within scope. Holds an advanced diploma in project management (NQF 7) and possesses extensive leadership experience in high-risk operational environments.
Overview
14
14
years of professional experience
Work History
SENIOR BOILERMAKER / METAL FABRICATOR
KROST SHELVING AND RACKING
Johannesburg
09.2021 - Current
- Lead fabrication and welding operations across 6 welding stations including robotic welding.
- Fabrication of walkways, mezzanines, staircases, handrails, racking components and steel structures.
- Perform MIG, TIG, and MMA welding (1F–4F, 2G–6G).
- Conduct conveyor repairs, pump installations, breakdown maintenance.
- Operate CNC plasma cutters and program robotic welding.
- Perform dimensional checks, hydrostatic testing and blueprint interpretation.
- Supervise teams and ensure production targets and safety standards.
- Operated and programmed robotic welding machines for racking and structural steel components.
- Configured robotic welder settings, welding paths, and production cycles for consistent quality.
- Performed daily checks, torch maintenance, and troubleshooting on automated welding cells.
- Workshop stock control, material handling, housekeeping, and accurate recording of repairs and maintenance activities.
- Coordinated fabrication and installation projects across multiple concurrent workstreams.
- Planned daily and weekly work schedules for 6 welding stations, including automated systems.
- Supervised artisans, welders, and operators to meet production targets and project milestones.
- Managed material flow, tooling availability, and work sequencing to prevent delays.
- Ensured compliance with quality standards, safety procedures, and engineering drawings.
- Conducted progress tracking, issue resolution, and handover of completed works.
- Supported management with production reporting and operational decision-making.
Boilermaker | Metal Fabricator | Welder
Majesty Oil Mills
Krugersdorp
09.2020 - 08.2021
- Fabricated tanks, vessels, brackets, supports, and food‑processing structures.
- Repaired expellers, extractors, seed crushers, conveyors, elevators, and plant machinery.
- Fabricated steam, hydraulic, air, and cooling water piping systems.
- Conducted shutdown maintenance, leak repairs, inspections, and fault‑finding.
- Performed structural repairs on cracked doors, screens, filters, and hoppers.
Boilermaker | Metal Fabricator | Welder
DJ & W Industrial
Germiston
04.2018 - 08.2021
- Fabricated trusses, rafters, chutes, pressure vessels, and structural components.
- Performed TIG welding, pipe fitting, hydrostatic pressure testing, and NDT preparation.
- Repaired mining structures including ore bins, chutes, conveyors, hoppers, and feeders.
- Conducted shutdown repairs on crushers, vibrating screens, and processing equipment.
- Repaired heavy machinery (excavators, loaders, dump trucks, graders).
- Rebuilt cracked buckets, booms, frames, and worn mechanical components.
- Performed gouging, cutting, rebuilding, alignment, and fabrication upgrades.
- Supervised artisans and managed workflow to meet strict deadlines.
Boilermaker / Pipe Fitter
BCS Holdings Cargill ZAMANITA
Lusaka
01.2016 - 01.2018
- Installed and maintained boilers, valves, steam, gas, and process systems.
- Fabricated conveyors, piping, pressure vessels, chutes, platforms, and tanks.
- Repaired seed cleaners, extractors, presses, and oilseed‑crushing machinery.
- Performed welding (MIG/TIG/SMAW), threading, bending, rolling, and forming.
- Supported plant commissioning, shutdowns, inspections, and quality checks.
Boilermaker | Metal Fabricator | Welder (Qualified artisan)
ORPENES ENGINEERING (Subcontracted to Hippo Valley Estates)
01.2015 - 12.2015
- Fabricated, repaired, and maintained sugar mill machinery, including mills, diffusers, shredders, clarifiers, conveyors, and bagasse handling systems.
- Installed, repaired, and maintained bagasse-fired boilers, water-tube boilers, and fire-tube boilers used in sugar milling operations.
- Performed boiler pressure-part fabrication, including tubes, tube plates, headers, furnace walls, and ducting.
- Conducted tube cutting, rolling, expanding, welding, and tube replacement on high-pressure boiler systems.
- Fabricated and repaired steam lines, feedwater pipelines, blowdown lines, and condensate return systems.
- Performed MIG, TIG, and SMAW welding (1G–6G) on stainless steel, carbon steel, structural steel, and pressure components.
- Executed pressure vessel and plate-work fabrication, including cutting, rolling, bending, shaping, and welding.
- Diagnosed mechanical faults and carried out corrective and preventative maintenance on rotating and static equipment.
- Fabricated and installed platforms, walkways, handrails, pipe supports, structural frames, and plant steelwork.
- Performed pipe spool fabrication from P&IDs, isometric drawings, and engineering blueprints.
- Conducted hydrostatic pressure testing, weld inspections, dimensional verification, and quality control checks.
- Ensured compliance with AS/NZS pressure equipment and welding standards, food-grade fabrication requirements, and mill safety rules.
- Followed LOTO, confined space, hot-work, and high-temperature safety procedures during shutdown and live plant work.
- Zimbabwe
Boilermaker Trainee (Industrial Attachment)
Orpenes Engineering (Subcontracted to Hippo Valley Estates)
01.2013 - 12.2013
- Assisted qualified boilermakers in repairing and maintaining bagasse-fired boilers, water-tube boilers, and fire-tube boilers.
- Performed basic boiler tube cutting, rolling, expanding, and welding under close supervision.
- Supported fabrication and installation of steam lines, feedwater pipes, condensate systems, and low-pressure piping.
- Helped repair cane carriers, mill rollers, diffusers, shredders, conveyor systems, and structural components.
- Assisted in plate-work fabrication, including cutting, bending, rolling, and marking-out steel sections.
- Supported fabrication and repair of tanks, chutes, hoppers, small pressure vessels, and structural frames.
- Performed basic MIG, TIG, and SMAW welding on light and medium-thickness materials.
- Participated in shutdown maintenance on evaporators, clarifiers, heaters, crystallizers, and boiler systems.
- Assisted with hydrostatic testing, weld preparation, grinding, fitting, and dimensional checks.
- Followed LOTO, confined space, hot-work, and boiler-safety procedures while working in hazardous environments.
- Gained strong foundation in engineering drawings, isometrics, blueprint interpretation, and workshop fabrication processes.
- Zimbabwe
Education
Advanced Diploma in Project Management -
Cranefield College
Pretoria01.2025
Trade Tested Boilermaker RED SEAL -
Indlela
Olifantsfontein01.2021
Journeyman Class One Trade Test -
Masvingo Polytechnic
Masvingo, Zimbabwe01.2014
National Certificate: Fabrication Engineering -
Masvingo Polytechnic
Masvingo, Zimbabwe01.2014
Certificate III in Engineering - Fabrication (MEM31922)
Skills
- MIG Welding
- TIG Welding
- Stick (SMAW) Welding
- Structural Steel Fabrication
- Pipe Fabrication
- CNC Plasma Cutting
- Rolling
- Press Brake
- Oxy-Fuel Cutting
- Mining Equipment Repairs
- Heavy Machinery Repairs
- Shutdown Maintenance
- Preventative Maintenance
- Blueprint Reading
- Isometric Drawing
- Dimensional Measuring
- Safety Compliance
- Quality Control
- Visual Inspection
- Weld Testing
- NDT Preparation
- Robotic Welding Systems Operation
- Robotic Weld Parameters Setup
- Fixtures Setup
- Torches Setup
- Production Sequences Setup
- Troubleshooting
- Calibration
- Fault-Finding
- Automated Welding Cells
- CNC Plasma Cutters Operation
- Automated Fabrication Machinery
- Controlled Heating
- Thermal Cutting
- Thermal Lancing
- Fabrication of Components
References
Available upon request
Custom Section
- Project Planning, Scheduling & Sequencing (Site-based execution)
- Work Breakdown Structures (WBS) & Task Allocation
- Cost Control, Material Planning & Resource Management
- Contractor & Artisan Supervision
- Quality Management & Inspection Control
- Risk Identification & Site Risk Mitigation
- Health, Safety & Environmental (HSE) Compliance
- Progress Reporting & Stakeholder Communication
- Change Control & Scope Management
- Project Close-Out, Handover & Documentation
Timeline
SENIOR BOILERMAKER / METAL FABRICATOR
KROST SHELVING AND RACKING
09.2021 - Current
Boilermaker | Metal Fabricator | Welder
Majesty Oil Mills
09.2020 - 08.2021
Boilermaker | Metal Fabricator | Welder
DJ & W Industrial
04.2018 - 08.2021
Boilermaker / Pipe Fitter
BCS Holdings Cargill ZAMANITA
01.2016 - 01.2018
Boilermaker | Metal Fabricator | Welder (Qualified artisan)
ORPENES ENGINEERING (Subcontracted to Hippo Valley Estates)
01.2015 - 12.2015
Boilermaker Trainee (Industrial Attachment)
Orpenes Engineering (Subcontracted to Hippo Valley Estates)
01.2013 - 12.2013
Advanced Diploma in Project Management -
Cranefield College
Trade Tested Boilermaker RED SEAL -
Indlela
Journeyman Class One Trade Test -
Masvingo Polytechnic
National Certificate: Fabrication Engineering -
Masvingo Polytechnic