Registered Mechanical Engineer
Resume:
JOHN REVE G. TOLENTINO
REGISTEREDMECHANICALENGINEER
#** *. ****** **. ***. Rosa, CaintaRizalPhilippines Email Address: ********************@*****.***
CAREER SUMMARY
Dedicated Registered Mechanical Engineer with over eight (8) years of experience in site supervision, inspection, and project management. Expertise in the design, installation, and maintenance of HVAC, plumbing, and electrical systems. Proven track record in project estimation for MEPF (Mechanical, Electrical, Plumbing, and Fire Protection) and technical troubleshooting for critical infrastructure.
Skilled in overseeing ongoing projects, interpreting technical drawings, and managing site inspections.
Proficient in generator set (genset) operations and maintenance, as well as data center routine inspections and troubleshooting.
Certified PACU Support Engineer for Montair Precision Air Conditioning Systems. WORK EXPERIENCES
VALCON GUAM LLC Tamuning, Guam
Project Estimator / Mechanical Engineer (Remote)
March 2025 – October 2025
KEY RESPONSIBILITIES & ACHIEVEMENTS
Performed comprehensive cost estimation and quantity take-offs for MEPF (Mechanical, Electrical, Plumbing, and Fire Protection) systems for commercial and industrial projects.
Developed and refined mechanical designs focusing on HVAC layouts, ensuring compliance with Guam/US building codes and energy efficiency standards.
Conducted load calculations (heating/cooling), duct sizing, and pipe routing to ensure design integrity before finalizing project bids.
Managed remote communication with suppliers to obtain competitive pricing for specialized equipment and materials.
Drafted detailed technical proposals and "Scope of Work" documents, contributing to a high bid-to-win ratio.
Software & Tools: MS Office, AutoCAD, PlanSwift and Primavera. MULTISTYLE SPECIALIST INCORPORATED Pasig City, Metro Manila Project In-Charge / Mechanical Engineer
November 2022 – March 2025
KEY RESPONSIBILITIES:
Served as the primary Project In-Charge for MEPF works, overseeing the full lifecycle of HVAC, Electrical, Plumbing, and Fire Protection systems from estimation to implementation.
Managed comprehensive preventive and corrective maintenance for critical Data Center infrastructure, ensuring 100% uptime for MEPF systems.
Developed technical mechanical designs for Data Center HVAC systems, focusing on precision cooling and airflow management.
Directed on-site teams and subcontractors to ensure project execution met strict engineering standards, safety protocols, and timelines. Key Project Achievement:
Inspiro Relia (Mega One Building) – Quezon City: Successfully spearheaded the installation and commissioning of a large-scale Variable Refrigerant Flow (VRF) system, comprising 46 Fan Coil Units (FCU) and 6 Air-Cooled Condensing Units (ACCU). XTREME WORKS INCORPORATED Ortigas Center, Pasig City Project Engineer
May 2021 – October 2022
Professional Summary
Lead engineer responsible for the end-to-end lifecycle of HVAC and Precision Air Conditioning Unit (PACU) projects. Combined technical site supervision with strategic pre-sales and post-sales support to ensure high-standard installations and client satisfaction.
KEY RESPONSIBILITIES:
Performed rigorous site supervision and quality inspections for large-scale HVAC projects, ensuring compliance with safety and technical specifications.
Executed the installation, preventive maintenance, and corrective repairs of complex air- conditioning systems.
Spearheaded training programs for junior technicians to standardize maintenance procedures and improve field efficiency.
Acted as a bridge between technical and commercial teams, serving as both a Pre-Sales Engineer (technical scoping) and Post-Sales Engineer (client support and troubleshooting).
Notable Projects
KCC Mall (General Santos City): Managed the successful installation and commissioning of two (2) Precision Air Conditioning Units (PACU).
MMDA Traffic Institute (Guadalupe): Oversaw the installation of a dedicated PACU system to support critical infrastructure.
Smart Communications (Manila): Directed the installation of two (2) PACU units for telecommunications equipment cooling, ensuring 24/7 operational reliability. DEVELOPED LOGICAL TECHNIQUES FOR AIRCONDITIONING TECHNOLOGIES CORP
CUBAO, QUEZON CITY
Project Engineer / Shift Engineer
September 2017 – November 2020
Professional Summary
Served as a versatile engineer managing large-scale HVAC and electrical operations for high-stakes environments, including medical facilities and corporate banking centers. Combined technical hands-on maintenance with project estimation and supervisory leadership.
CORE RESPONSIBILITIES
MECHANICAL & HVAC SYSTEMS
Managed and executed comprehensive PM schedules for diverse cooling systems, including split-types, window units, chillers, cooling towers, and heat recovery systems.
Oversaw critical systems for Makati Medical Center (Towers 1 & 2), ensuring 100% uptime for hospital environments, including Reverse Osmosis (RO) water systems.
Directed PM operations for 9 corporate buildings and 145 bank branches for BDO, ensuring climate control stability across a vast geographic footprint.
Acted as Project In-Charge and Estimate Engineer for new air-conditioning installation projects, managing budgets and technical specifications. ELECTRICAL & POWER SYSTEMS
Supervised the installation of critical electrical infrastructure, including panel boards, circuit breakers, transformers, and Uninterruptible Power Supply (UPS) units.
Led the preventive maintenance and rigorous testing of Generator Sets and Switch Gears to ensure emergency power readiness.
Key Projects Handled
Project Site Scope of Work
Makati Medical
Center
Led the installation of various specialized ACUs within a high-sensitivity hospital environment.
BDO – Greenhills
Roosevelt
Managed the full installation and commissioning of five (5) high- capacity Air Conditioning Units.
BDO (Manila
Network)
Orchestrated city-wide preventive maintenance, repairs, and rapid- response services for multiple branches.
PROFESSIONAL TRAINING & CERTIFICATIONS
AutoCAD 2D & 3D Certification
o Nueva Ecija University of Science and Technology (2015 – 2016) o Developed proficiency in technical drafting, complex 3D modeling, and specialized architectural/engineering design layouts.
Precision Air Conditioning Units (PACU) Training o Conducted by Montair Precision Air Conditioning Systems o Specialized focus on the installation, preventive maintenance, and technical support of high-precision cooling systems for critical environments (e.g., Data Centers).
Technical Skills
Category Software & Tools
Design & Drafting AutoCAD (2D & 3D), PlanSwift (Take-off/Estimating) Project Management Bluebeam Revu, Primavera P6
Productivity MS Excel, Word, PowerPoint, Adobe PDF Specialized Systems PACU Installation & Maintenance PERSONAL INFORMATION
Date of Birth : September 15, 1994
Age : 31
Place of Birth : Gapan City, Nueva Ecija Philippines Citizenship : Filipino
Religion : Roman Catholic
Civil Status : Married
Height : 5’9
Weight : 165 lbs
Language : English & Tagalog
EDUCATIONAL ATTAINMENT
Primary : Penaranda Elementary School
Penaranda, Nueva Ecija Philippines
2000-2006
Secondary : Penaranda National High School
Penaranda, Nueva Ecija Philippines
2007-2011
College : Nueva Ecija University of Science and Technology Nueva Ecija, Philippines
2011-2016
Course : Bachelor of Science in Mechanical Engineering PRC License : Passed the Licensure Examination for Mechanical Engineer License No. 0095732
Philippine Contractors Accreditation Board (PCAB) licensed holder in Mechanical Engineer.
Passport No. : P9435640A
Expiry Date: 06 Nov 2028
JOHN REVE G. TOLENTINO
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