Ronwelito Maestre

Monitor and control Battery Energy Storage System (BESS) operations using SCADA and Data Acquisition Systems (DAS), ensuring optimal system performance and reliability Perform real-time analysis of electrical parameters to support operational decision-making and system efficiency Execute remote and manual switching operations of electrical switchyard equipment in compliance with grid requirements

Monitoring and Control Center Operator - San Miguel Global Power

(2024-08)

• Monitor and control Battery Energy Storage System (BESS) operations using SCADA and Data Acquisition Systems (DAS), ensuring optimal system performance and reliability
• Perform real-time analysis of electrical parameters to support operational decision-making and system efficiency
• Execute remote and manual switching operations of electrical switchyard equipment in compliance with grid requirements
• Operate and troubleshoot PCS/inverters, transformers, HVAC, and auxiliary power systems, minimizing downtime and system losses
• Conduct thermal scanning analysis (FLUKE) and generate reports to detect early-stage equipment faults and prevent failures
• Support grid coordination and energy trading operations through accurate system monitoring and communication
• Maintain and analyze daily operational data logs, contributing to performance tracking and reporting
• Assist in identifying electrical faults and system inefficiencies, providing technical inputs relevant to cost and operational impact

Facilities Supervisor - STAR PAPER CORPORATION

(2024-04 - 2024-08)

• Prepared cost estimates and basic designs for facility improvements, including electrical and structural works
• Managed maintenance ticketing system, prioritizing jobs based on urgency, cost, and operational impact
• Oversaw maintenance of electrical systems, HVAC, LAN, and building infrastructure
• Coordinated and evaluated contractor work, ensuring compliance with scope, budget, and quality standards
• Conducted planning and resource allocation for maintenance and improvement projects
• Performed administrative and reporting tasks related to project tracking and cost monitoring

Facilities and Maintenance Engineer - AAI Worldwide Logistics

(2019 - 2023)

• Conducted site inspections, surveys, and take-offs to estimate labor, materials, and project costs
• Prepared cost estimates and technical proposals for facility improvements and client requirements
• Utilized AutoCAD and PlanSwift for quantity take-offs, layout planning, and cost estimation
• Supervised installation and maintenance of electrical systems and building facilities
• Led maintenance teams and contractors, ensuring project completion within scope and budget
• Implemented initiatives to reduce energy and water consumption, improving operational efficiency
• Prepared weekly reports, schedules, and project updates for management and clients
• Collaborated with sales and management teams in proposal preparation and project costing

Bachelor of Science - Electrical Engineering - Laguna State Polytechnic University (2014-06 - 2018-06)