Lester Usapdin

Handled client queries, prepared sales quotations, analyzed floor plans for Bill of Quantities, and conducted company and product presentations. Performed cold calls and cold emails to prospective clients.

Handled client communications, database entry, and B2B outreach. Managed social media and email support for overseas clients.

Conducted site visits and technical reporting for troubleshooting of plumbing systems, water pipelines, gate valves, centrifugal pumps, and boilers. Gained hands-on experience in pump overhauling including dismantling, inspection, replacement of wearable parts, and installation using precision tools.

Oversaw cold cuts, spaghetti sauce, and meat topping stations. Monitored production yield, created reports, and ensured daily targets were met.

Conducted testing and commissioning of Energy Recovery Ventilators (ERVs) and assisted in maintenance tasks including VAV servicing. Performed troubleshooting and prepared quotations for air filters, coordinating with clients and supporting sales operations.

Performed water sampling and testing for wastewater treatment processes and supported environmental compliance through lab and field data collection. Passed the national examination for Pollution Control Officer certification and assisted in maintaining environmental standards per DENR regulations.

Conducted manual inspections of PVC pipes and kitchen exhaust systems, ensuring installations followed blueprint specifications and schedules. Created and submitted weekly Excel reports and daily/weekly logs to the officer-in-charge.

Handled T-Mobile prepaid accounts in the U.S., assisting with upgrades and account management.

Handled Norton anti-virus accounts, providing customer support and troubleshooting.

Handled Comcast accounts in the U.S., providing internet troubleshooting and search engine optimization support.

Drafted mechanical system layouts using Revit MEP software and collaborated with engineering teams for technical documentation. Gained initial exposure in mechanical design and coordination.

Handled clerical tasks, flight transfers, and equipment inventory.

HubSpot Certifications in Social Media and Email Marketing, completed in 2020.

Passed the national examination for Pollution Control Officer certification in 2017.

TESOL/TEFL Certification (120 hours) from Harvest Christian School International, completed in 2015.

Bachelor of Science in Mechanical Engineering from Emilio Aguinaldo College – Cavite, completed in 2012.