Heavy Equipment Repair Technician

Yaledy Zewelanji Silomba

Heavy Equipment Repair Technician

Oman +260-***-***-*** / +968-***-***-** *************@*****.*** PROFESSIONAL SUMMARY

Expert Heavy Equipment Repair Technician with 10+ years of experience diagnosing, repairing, and maintaining heavy machinery for underground, surface, and utility applications. Proven ability to reduce downtime, enhance fleet performance, and lower repair costs through reliability-centered maintenance and condition-based strategies. Skilled in diagnostics, system upgrades, and team leadership, with a strong commitment to safety and operational excellence. KEY SKILLS AND EXPERTISE

Technical Expertise

• Diagnostics and troubleshooting of mechanical, hydraulic, and electrical systems using advanced tools such as CAT ET, VIMS, and similar diagnostic software.

• Preventive, corrective, and reliability-centered maintenance on diverse heavy equipment.

• Component replacement: engines, transmissions, power trains, and hydraulic motors.

• Skilled in hydraulic hose fabrication, cylinder resealing, and system upgrades. Equipment Expertise

• Extensive experience with loaders, haul trucks, drill rigs, bolters, and utility equipment.

• Skilled in maintaining low-voltage electrical systems, pneumatic components, and AC systems. Leadership and Recordkeeping

• Trained and mentored over 15 technicians, improving fleet maintenance efficiency by 20%.

• Maintained detailed maintenance records, failure reports, and spare parts inventories. Safety and Compliance

• Strong adherence to workplace safety standards and environmental health regulations.

• Conducted safety audits and implemented hazard-free practices to ensure compliance.

.

PROFESSIONAL EXPERIENCE

Heavy Equipment Repair Technician March 2024 – Present Gulf Rock Engineering Ghuzayn Mine, Oman

• Performed advanced diagnostics and failure analysis on hydraulic, mechanical, and electrical systems, ensuring minimal downtime.

• Specialized in overhauling and replacing critical components such as engines, transmissions, and power trains, adhering to OEM specifications.

• Conducted condition-based monitoring (CBM) to identify potential failures, implementing long-term solutions that increased fleet reliability by 20%.

• Led the installation and commissioning of upgraded systems, collaborating with engineers to enhance operational efficiency.

• Implemented predictive maintenance (PdM) strategies, extending equipment lifespan and reducing unscheduled repairs.

• Managed spare parts inventory with a focus on sourcing OEM-approved components, reducing lead times by 15%.

• Trained junior technicians on the use of diagnostic tools and adherence to standard operating procedures (SOPs) for safe and efficient repairs.

• Conducted pre-deployment testing and equipment health assessments, ensuring all machinery met performance and safety standards.

• Maintained compliance with international safety standards and contributed to achieving a zero-recordable injury milestone.

Fleet Worked On:

• Loaders: LH-410, L120GZ, L220F, L220H, LH 517i

• Rigs: DD320, DS411, DL421-C, FLEXIROC T20-R

• Trucks: A35E, A35D

Heavy Equipment Repair Mechanic August 2022 – November 2023 Reliant Mining Company Lubambe Site

• Diagnosed complex failures using technical manuals and advanced diagnostic tools, reducing repair time by 10%.

• Performed scheduled maintenance tasks, including hydraulic pump calibration, engine rebuilds, and power train replacements.

• Monitored fleet health through routine inspections and early fault detection, minimizing unplanned downtime.

• Played a key role in implementing a computerized maintenance management system (CMMS), improving work order tracking and record-keeping.

• Partnered with procurement teams to source quality-assured spare parts, reducing recurrence of breakdowns.

• Developed and implemented proactive maintenance plans, extending the lifespan of critical components.

• Conducted safety training and reinforced lockout/tagout (LOTO) procedures to ensure a hazard-free work environment. Fleet Worked On: TH 540, LH 514, LH 517, A64 Getman, K140 grader. Senior Artisan Heavy Equipment Repairer April 2013 – January 2021 Lubambe Copper Mine Plc

• Promoted to Senior Artisan in May 2017 for outstanding technical skills and leadership, achieving a 98% equipment availability rate.

• Led a team of technicians, implementing reliability-centered maintenance (RCM) practices to minimize downtime and optimize performance.

• Standardized repair and maintenance procedures, improving compliance with manufacturer guidelines and reducing repair times by 15%.

• Diagnosed and resolved recurring hydraulic and electrical faults, utilizing schematics and system diagnostics to improve reliability by 12%.

• Delivered workshops on equipment handling and technical troubleshooting, improving team skills and safety adherence.

• Contributed to the adoption of equipment health monitoring systems, enabling real-time tracking and faster fault detection.

• Provided technical input during equipment commissioning, ensuring compliance with operational and safety standards. Fleet Worked On: TH 540, LH 514, LH 517, DD 320, DS 420, DL 411, 966H, 980H, 140K grader. Artisan Heavy Equipment Repairer March 2008 – September 2012 Konkola Copper Mines Plc

• Performed diagnostics and repairs on underground equipment, focusing on diesel engines, hydraulic systems, and fuel injection systems.

• Identified and resolved faults using schematics, improving equipment performance and operational efficiency.

• Conducted regular preventive maintenance tasks, reducing downtime and extending equipment lifespan.

• Collaborated with supervisors to prioritize and allocate resources for high-priority repairs, optimizing workflow efficiency.

• Improved maintenance documentation processes, ensuring compliance with audit requirements and enhancing tracking of repair history.

Fleet Worked On: MT 2010, 436B, ST 710, R1300G, RB 281, H1254. EDUCATION

• Advanced Certificate in Heavy Equipment Repair Northern Technical College 2004 – 2006

• Craft Certificate in Automotive Electrical Kabwe Trades Training Institute 2011

• Grade 12 School Certificate Roan Antelope High School 2000 – 2002 MEMBERSHIPS

• Member, Engineering Institution of Zambia (EIZ)

ACHIEVEMENTS

• Promoted to Senior Artisan in 2017 for exceptional technical expertise, leadership skills, and maintaining a 98% equipment availability rate.

• Reduced downtime by 20% through spearheading fleet upgrades and implementing standardized maintenance procedures.

• Trained and mentored over 15 technicians, enhancing team productivity and reducing repair times by 15%.

• Achieved zero-injury milestones by enforcing strict safety standards and conducting team-wide safety training.

Contact this candidate