قيصر رضا

Project: Makkah Haram 3rd Expansion
Leading the Mechanical Department and overseeing daily mechanical operations and maintenance activities.
Responsible for operation and maintenance of the Power Generation Building with 6 Caterpillar C175-16 diesel
generators and associated utilities.
Planning and executing preventive and corrective maintenance to ensure uninterrupted power supply.
Overseeing HVAC systems, including AHUs and Split AC units, across the Haram Mataf area.
Managing maintenance of submersible pumps, drainage systems, ablution systems, and water fountain
systems.
Ensuring strict safety compliance by receiving daily work permits from SBG, conducting Toolbox Talks (TBT),
and completing work as per approved procedures.
Liaising with other stakeholders to ensure smooth execution of maintenance activities and site requirements.

• Led the maintenance and operation of diesel engine powerhouses based on Caterpillar 3516B, Cummins,
MTU & KOHLER, ensuring continuous performance and minimal downtime.
• Diagnosed equipment faults, disassembled malfunctioning systems, and repaired/replaced components.
• Developed and implemented preventive maintenance plans for diesel generators and utility systems.
• Collected data from equipment failures and performed root cause analysis to reduce future issues.
• Created technical documents including maintenance reports, method statements, and equipment layouts.
• Managed spare parts inventory and coordinated procurement to ensure availability and cost control.
• Oversaw the installation and servicing of HVAC, water treatment, and utility systems to meet operational
standards.
• Enforced Health, Safety, and Environmental (HSE) compliance on-site and recommended safety
improvements.

• Managed the erection, commissioning, and maintenance of an 18-MW powerhouse (Cummins QSK60-G4 &
KTA50-G3 engines).
• Supervised installation of screw compressors, RO/ETP plants, pumps, and utility pipelines.
• Developed and controlled operational and capital expenditure budgets to ensure profitability.
• Scheduled and supervised manpower activities to ensure operational continuity and reduce overtime.
• Conducted staff performance reviews and provided ongoing technical guidance.
• Coordinated with senior management for operational review and performance improvements.
• Maintained financial reports, handled invoicing, and supported internal audit requirements.

• Oversaw operations and maintenance of a 22 MW Wärtsilä power plant (Engine Model: 8V38).
• Reviewed plant operational logs, analyzed performance, and proactively scheduled maintenance.
• Planned major shutdowns including tools, manpower, and spare parts logistics.
• Supervised repair and servicing of engines, boilers, and auxiliary systems.
• Mentored junior staff and improved departmental technical competence.
• Managed spare inventory and ensured timely execution of preventive maintenance.
• Acted as a liaison between management and technical staff, ensuring smooth communication of work
expectations, technical issues, and performance feedback.

• Performed preventive and scheduled maintenance of Wärtsilä 18V50DF, 18V46D, and NIIGATA 18V32CLX
engines.
• Conducted overhauls at key intervals (1k, 2k, 4k, 18k, 36k) and ensured all procedures followed OEM
standards.
• Troubleshot auxiliary equipment: ALFA LAVAL lube/fuel oil separators, compressors, turbochargers, and
pumps.
• Implemented RCM and RCFA strategies for improving system reliability.
• Raised and managed Work Requests and Work Orders to perform corrective and preventive actions based
on inspection findings and equipment performance data.
• Documented wear trends, failures, and repairs to build a maintenance history database.

• Operated Ras Al-Zur Riyadh Water Transmission System with a capacity of 900, 000 m³/day.
• Handled plant startup/shutdown and field operations using ABB DCS system.
• Monitored process parameters, troubleshot abnormalities, and maintained continuity of service.

• Supervised 100+ personnel in the maintenance and operation of gas pipelines and meters.
• Commissioned industrial/domestic gas meters and conducted leakage rectification work.
• Look after Operation/ Maintenance activities for SMS, CMS and Gas leakage activities.
• Maintenance and Commissioning of gas pipeline/service lines.
• Assisted the UFG-C department to minimize gas theft and processed EVC data for composition analysis.

• Diagnosed and repaired mechanical equipment including pumps, valves, compressors, and diesel engines.
• Rebuilt mechanical components and executed planned preventive maintenance.
• Complied with safety and quality protocols throughout repair and servicing tasks.

• Maintained and overhauled 11×18V46D and 2×18V50DF Wärtsilä diesel generators.
• Operated auxiliary systems including air compressors, cooling towers, and oil modules.
• Logged operating parameters and supported maintenance planning and technical reporting.
• Ensured uninterrupted plant operations by executing preventive and periodic maintenance on 11×Wärtsilä
18V46D and 2×18V50DF engines.
• Operated and managed start-up/shutdown procedures for diesel generator sets (18V46D & 18V50DF) and
associated auxiliary equipment in accordance with standard operating parameters.
• Performed hands-on operation and servicing of instrument air compressors, fuel module systems, oil bath
filters, and purifiers, ensuring optimal performance and reliability.

As a trainee, my duties were to controlling the Diesel Engine operating parameters such as Temperature, Pressure, and flow rate of cooling water and Lube oil in addition to troubleshooting problems related to them. Worked as a team member during maintenance of NIIGATA diesel Engines “18V32CLX” & solved the Troubleshooting of Diesel Engines. And performed the maintenance of pumps, Purifiers, Oil Bath Filters, Fuel system, and Compressors