Jaerold Concepcion

• ARAMCO Certified Maintenance Planner with expertise in maintenance planning and scheduling.
• Leads strategic maintenance planning for multi-craft disciplines (Electrical, Mechanical, Instrumentation) using SAP PRC and Prometheus to achieve high schedule compliance and minimal unplanned downtime for South Riyadh Bulk Plant and Saudi Strategic Storage Plant.
• Reviews and procures up-to-spec equipment spare parts and assemblies after thorough technical evaluation.
• Creates and processes maintenance work orders while managing project budgets and cost control.
• Oversee and monitor KPIs such as backlog, PM compliance, schedule adherence, and cost variance to ensure maintenance excellence.
• Design and execute preventive and predictive maintenance strategies that increased equipment reliability and asset life cycle.
• Analyzes data from MIR CMMS and provides management with monthly maintenance KPI reports.
• Supports the Maintenance Supervisor in daily operations and takes over responsibilities when needed.
• Collaborate with operations and contractors to optimize maintenance workflows, improve turnaround readiness, and mitigate operational risks.
• Coordinates with the Site Maintenance Engineer for contracted service projects and equipment repairs.
• Assists the Test and Inspection Engineer with tank inspection and maintenance activities.
• Works with the Maintenance Supervisor to track and optimize the daily maintenance schedule.
• Recognized by ARAMCO for outstanding performance in maintenance planning and execution.
• Serves as a Subject Matter Expert (SME) for CRDD Operational Excellence in Minor Maintenance Ticket Planning.

• Review, revise, and optimize maintenance plans and major equipment outage schedules through SAP CMMS to align with production priorities.
• Manages project budgets, cost control, routine maintenance, and shutdown planning and execution.
• Oversees asset management and registry in CMMS, ensuring proper criticality hierarchy and spare parts allocation.
• Procures up-to-spec items through technical evaluations and coordinates outsourced equipment repairs with third-party vendors.
• Analyzes CMMS data and provides management with weekly maintenance KPI reports.
• Prepares job packages, maintenance procedures, and overhauling plans for critical equipment and plant shutdowns.
• Supervises, monitors, and tracks project progress and technician performance.
• Reviews and revises inspection reports and site records submitted by subcontractors before official inspections.
• Witnesses Site Acceptance Tests (SAT) and commissioning of newly installed MCCs, switchgear, and motor protective relay tests while coordinating with vendors and clients.
• Conduct field inspections to verify workmanship and compliance with engineering specifications.
• Train and guide maintenance teams on reliability improvement practices and advanced troubleshooting methods.

• Performs field troubleshooting and repairs to ensure optimal plant production and efficiency.
• Isolates low and medium voltage circuits while following proper Lockout/Tagout (LOTO) procedures.
• Ensures compliance with Safety, Health, and Environment (SHE) policies, standard operating procedures, and work permit system requirements, including both cold and hot permits.
• Conducts preventive and corrective maintenance on low and medium voltage circuits and plant-wide motors, including local control stations, cable terminations, winding and insulation resistance measurements, ground wire connections, re-greasing, and bearing replacements as needed.
• Performs predictive maintenance on motors, switchgear, and transformers using Partial Discharge Testers and Thermal Imaging Cameras.
• Conducts preventive maintenance of Boiler Electrostatic Precipitators (ESP) in coordination with third-party contractors.
• Operates, maintains, and monitors UPS systems and switchgear in the MCC substation area.
• Configures and parameterizes Variable Frequency Drives (VFDs) for optimal performance.
• Conducts weekly functionality tests on Emergency Diesel Generators and Fire Pumps.
• Troubleshoots and replaces faulty plant-wide lighting systems.
• Modifies existing equipment to improve reliability and efficiency.
• Assists third-party contractors in construction, commissioning, and maintenance of new and existing projects.
• Prepares abnormality reports and root cause (Why-Why) analyses for corrective maintenance activities.
• Served as Lead Technician for Turnaround Maintenance at JG Summit Polypropylene Plant.
• Acted as Work Package Administrator for Turnaround Maintenance at JG Summit Complex.