Jonathan Marcial

Dedicated, results-driven Philippine Registered Mechanical Engineer (License No. 90119) with a decade of robust experience spanning MEPF engineering, quantity surveying, and site supervision for major commercial and infrastructure projects. Proven expertise in managing complex piping installations (HDPE, Stainless Steel, FRP), resolving multidisciplinary design conflicts, and driving testing & commissioning to full compliance. Adept at handling technical submittals, material estimations, and cost control to ensure high-quality project delivery within budget and schedule.

Quantity Surveyor - DATEM Inc.

(2025-01)

• Prepare complex financial submittals, including Proposal Forms, Bill of Quantities (BOQ), Exclusions, and Qualifications for high-value tenders.
• Ensure 100% accuracy and timely submission of quantity take-offs and comprehensive bid submittals.
• Review architectural, structural, and MEPF plans to generate strategic tender queries and Requests for Information (RFIs) to mitigate project risks.
• Conduct thorough site inspections to verify actual utility conditions, ensuring accurate integration into competitive bid proposals.
• Actively participate in pre-bid and clarification meetings to align project scope, timelines, and client expectations.

MEPF Engineer - Megawide Construction Corporation

(2023-01 - 2025-12)

• Supervised the end-to-end installation, testing, and commissioning of critical MEPF systems for major building projects, ensuring zero safety incidents.
• Review and cross-checked engineering drawings to guarantee accurate on-site execution and minimize re-work.
• Analyzed complex service clashes, recommended strategic piping relocations to CAD draftsmen, and estimated precise material adjustments.
• Coordinated seamlessly across Mechanical, Electrical, Fire Protection, Structural, and Architectural teams to swiftly resolve multi-trade site conflicts.
• Monitored daily site operations for strict compliance with approved plans and partnered with QC Engineers for area readiness inspections.

Mechanical Engineer / Estimator - ALVELSON Industrial Technologies, Inc.

(2022-01 - 2023-12)

• Directed mechanical and maintenance operations on-site, specializing in high-standard industrial piping works.
• Generated accurate material estimates and costings for the mechanical scope during competitive project bidding phases.
• Managed materials procurement requests, tracked lead times, and produced regular progress and accomplishment reports for management.
• Facilitated daily safety toolbox meetings and represented the engineering team in bidding meetings for new project acquisitions.

Site Engineer - Sta. Clara International Corporation

(2017-01 - 2022-12)

• Spearheaded design reviews and managed construction execution for specialized industrial piping installations (HDPE, Stainless Steel, FRP).
• Collaborated extensively with sub-contractors, vendors, and third-party inspectors to review engineering designs, standard operating procedures, and method statements.
• Inspected ongoing and completed works to verify precise execution, proper engineering techniques, and strict compliance with global and local standards.

Site Engineer - Amici Mercantile Inc.

(2016-01 - 2017-12)

• Supervised commercial project operations to ensure successful implementation and 100% fulfillment of contractual obligations.
• Managed detailed project work schedules, monitored site expenses, and handled financial liquidation processes.
• Enforced stringent quality control by ensuring all delivered materials met exact engineering specifications.
• Proactively resolved site obstructions to maintain target schedules, conducted safety toolbox meetings, and generated daily accomplishment reports.

Bachelor of Science - Mechanical Engineering - University of Nueva Caceres (2010-01 - 2015-12)