Jerico Del Castillo

Wastewater Data Analytics Lead and Chemical Engineer with 3+ years of domain expertise in multi-site wastewater management, environmental compliance, and infrastructure data governance. Specializes in building automated data pipelines through Power Query, Power BI dashboards, and predictive models to track sustainability performance, resource utilization, regulatory compliance across 25 operational facilities, and performed special projects through Machine Learning models utilizing Python. Proven track record of architecting centralized data warehouses, optimizing OPEX budgets, and executing machine learning models to reduce non-compliances.

Currently pursuing an MS in Environmental Engineering at UP Diliman.

Wastewater Operations Data Analytics Lead and Supervisor at Maynilad Water Services Inc. (2025-05 – Present)

• Consolidate day-to-day operational data for the catchment area, providing high-level operational trend analytics to optimize OPEX consumption and formulate data-driven sustainability programs.
• Monitor facility ESG performance by tracking key environmental metrics – including power consumption, recycled water volumes, hauled biosolids, and fuel consumptions of generator sets.
• Architected and managed a centralized sustainability data warehouse powering Power BI dashboards for 25 facilities, establishing data governance protocols that eliminated reporting inconsistencies.
• Prepare and consolidate comprehensive annual budget reports and overall operational performance reports (monthly/weekly) for executive review.
• Support data governance in environmental audits (IMS, ENMS, BCMS) and conduct regular facility inspections to ensure strict compliance with EHS standards.
• Serve as the resource person for evaluating new environmental products and technologies, driving innovation and continuous improvement initiatives across the catchment area.

Wastewater Engineer at Maynilad Water Services Inc. (2024-02 – 2025-05)

• Operated and monitored wastewater treatment systems through SCADA, ensuring stable process performance across pumps, aeration blowers, and biological treatment units.
• Conducted routine and emergency operation of a generator set, documenting load behavior and ensuring uninterrupted plant functionality during power fluctuations.
• Served as the primary operational data analyst for treatment plants, analyzing physical facility parameters and environmental compliance data to ensure 100% alignment with national regulatory standards.
• Analyzed plant availability and downtime metrics across physical treatment assets, executing preventive maintenance analytics to minimize operational defects.
• Established standardized end-to-end sampling and process logging workflows, securing audit-ready data inputs for facility efficiency and sustainability evaluations.

Maynilad Cadet Engineer at Maynilad Water Services Inc. (2023-08 – 2024-02)

• Selected for a highly competitive 6-month technical development program, receiving intensive training in data analytics for infrastructure operations, potable water production, and wastewater treatment.
• Analyzed complex datasets covering operational parameters, billed water, and non-revenue water (NRW) metrics to support efficient water production and network optimization.
• Demonstrated high academic and technical proficiency through specialized examinations and hands-on training in wastewater treatment plant systems and data analytics for management roles.

MS in Environmental Engineering – University of the Philippines Diliman (2025-01 – 2028-08)

BS in Chemical Engineering – University of the Philippines Los Baños (2018-08 – 2022-08)