Gregorio P.
Senior Control and Automation Engineer
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About
Gregorio C. is a seasoned Lead Control & Automation Engineer with over 25 years of experience in instrumentation and electrical engineering within the oil & gas, LNG, industrial gas, and power plant sectors across Brunei, Japan, Qatar, Oman, and the Philippines. He has managed major plant control and safeguarding upgrades, notably for Brunei Shell Petroleum, where he led the migration from legacy relay and single-loop systems to advanced Distributed Control Systems (DCS) and Safety Instrumented Systems, achieving enhanced operational safety and reliability. Gregorio’s expertise includes instrumentation design, control systems integration, and project management, as evidenced by his leadership of multidisciplinary teams on both onshore and offshore projects, and his delivery of conceptual and detailed engineering. He is proficient in engineering IT & CAD tools such as Autocad and Microstation, and has played key roles in technical bid evaluations, system commissioning, and HAZOP safety workshops, strictly adhering to international standards like IEC, ISA, and ASME.
Experience
Lead Control & Automation Engineer
Petrokon Utama Sendirian Berhad · 2018 — 2025Directed the upgrade and migration of plant control and safeguarding systems from single-loop controllers and relay devices to distributed control systems for an onshore gas production facility. Coordinated cross-functional teams, ensured regulatory compliance, and managed stakeholder alignment to facilitate system integration with minimal operational disruptions. Provided continuous updates and risk assessments to the Project Team Lead, acted as the Discipline Focal Point, and drove standardization efforts across engineering solutions. Developed man-hour and cost estimates for instrumentation and control (I&C) system projects, defined DCS, IPS, and FGS functional requirements, and produced control and automation system designs. Maintained close collaboration with customers for requirements clarification, implemented maintainable control functions, and led a team of engineers and designers in skill development and competency evaluation. Participated in client and expert workshops to incorporate process and functional safety considerations.Senior Control & Automation Engineer
Petrokon Utama Sendirian Berhad · 2010 — 2018Planned and oversaw execution of instrumentation deliverables for projects, ensuring adherence to defined scope, timelines, and budgets. Maintained project tracking and provided status updates to the Project Team Lead, highlighting issues impacting quality or cost. Pursued process improvements through standardization and reuse, estimated resource requirements for I&C systems, and conducted technical reviews of project documentation. Defined and designed control and automation systems, collaborated with customers for detailed requirements gathering, and implemented maintainable control logic. Led engineering teams, provided skill development supervision, and performed calculations for flow, valve sizing, and electrical consumption.Instrument Engineer
Chiyoda Keiso Corporation · 2007 — 2010Managed field instrument engineering activities and deliverable submissions for Chiyoda Philippines, along with supervision and mentoring of junior engineers in design and detail work. Reviewed instrument specifications and prepared data sheets, facilitated inter-discipline coordination, and handled material requisitions, technical bid evaluations, and vendor communications for procurement and delivery. Assessed vendor documents against project requirements, consulted with process, mechanical, and electrical teams during design stages, and supported procurement and detail engineering for safety relief valves and field instruments.Instrument Design Engineer
Chiyoda Philippines Corporation · 2003 — 2007Prepared detailed design outputs such as main cable tray layouts, impulse tubing, air header, wiring connection lists, instrument hook-ups, plot plans, and material take-off summaries. Provided technical and design support to the Japan Head Office and supervised designers in the creation of deliverables according to assigned scopes.Technical Engineering Consultant/ Project Engineer
Paradox Design & Construction · 2001 — 2003Developed contract and bidding documents, and managed planning and execution of civil and electrical works for projects valued at PHP 3 million and below. Oversaw project completion within designated quality, budget, and schedule constraints, and maintained professional relationships throughout the contracting process with clients and subcontractors.Electrical & Instrumentation Engineer
JFE Techno Manila, Inc. · 1997 — 2000Produced detailed design materials for instrumentation and electrical scopes, including cable tray layouts, impulse tubing, air header connections, instrument hook-ups, plot plans, and control power signal and earthing cable summaries for industrial plant projects.Maintenance Technician
Universal Robina Corporation GD-IX · 1994 — 1996Performed corrective and preventive maintenance for candy processing and packaging lines, calibrated and commissioned process instruments such as field instruments and single loop controllers, and conducted troubleshooting of plant-wide electronics, instrumentation, and control equipment.
Skills & Expertise
Education
- Postgraduate Diploma in Project ManagementUniversity of Liverpool · 2014 — 2018
- Bachelor of Science Degree in Electrical EngineeringUniversity of Santo Tomas · 1989 — 1994