MARIO B. GAYAS
Taguig City
Summary
Mechanical engineer with expertise in leading engineering teams and fostering cross-departmental collaboration. Proven track record in managing projects from initial concept through to successful completion. Strong communication skills enhance teamwork and project outcomes.
Overview
31
31
years of professional experience
1
1
Certification
Work History
Maintenance Mechanical Engineer
White Rocks Mining Co.
Dammam
09.2023 - Current
- Lead, and supervise and manage major plant maintenance activities in all areas of the plant.
- Lead and supervise the erection and installation of the Washing Plant (electrical mechanical & plumbing), Dryer Plant (structural, electrical & mechanical), Ball Mill Plant (structural, electrical &mechanical)
- Troubleshoot malfunction, faults, errors and major breakdowns and give the best solution.
- Reported breakdown root causes, equipment faults, and concerns to management for timely resolution.
- Scheduled work for corrective and preventive maintenance plans and checklists for all machinery, facilities, and equipment.
- Arranged spare parts and identified availability to minimise breakdown time.
- Ensure all work is undertaken to a high-quality standard and adheres to all quality standard regulations.
Maintenance Mechanical Engineer
Global United Mines Co.
Jeddah
03.2019 - 09.2023
- Plan, lead, and manage major plant maintenance activities in all areas of the site.
- Scheduled work for corrective and preventive maintenance plans and checklists for all machinery, facilities, and equipment.
- Diagnosed major equipment breakdowns to identify issues.
- Managed spare parts inventory and sourced new suppliers to minimise breakdown time and spare parts costs.
- Coordinated with machine suppliers for repairs and spare parts requests.
- Documented root causes of breakdowns and equipment faults for management review.
- Ensures all work is undertaken to a high quality standard and adheres to all quality standard regulations.
- Plan and lead for the erection and installation of the Washing Plant (electrical mechanical & plumbing), Dry Screen Plant (structural, electrical & mechanical), Ball Mill Plant (structural, electrical &mechanical) and Site Facilities (accommodation & offices).
Maintenance Mechanical Engineer
Saihat Society For Social Services
Saihat
03.2017 - 03.2019
- Supervised technicians across HVAC, plumbing, pumps, carpentry, masonry, electrical, swimming pool, and biomedical for operation and maintenance of machinery, facilities, and equipment in hospital, schools, and staff accommodations.
- Coordinated scheduling for corrective and preventive maintenance of all machinery, facilities, and equipment.
- Troubleshot major works and problems in all areas.
- Provided all materials needed for repair and maintenance in all areas.
- Compiled daily work and accomplishment reports for submission to the Operations Manager monthly.
Mechanical Engineer (Supervisor Mechanical Section)
Saudi Geological Survey
Jeddah
08.2010 - 10.2015
- Managed major works in the mechanical HVAC and plumbing section.
- Supervised technicians across HVAC, plumbing, pump, water treatment, sewage treatment, and swimming pool maintenance, ensuring efficient operation of all equipment and facilities.
- Supervise technicians for the repair and maintenance of all machineries and Equipment in all areas.
- Supervise technicians and assist the contractor for the installation of ball mill, crushing machines, color sorter machines, and all other processing machinery and equipment in the silica plant.
- Managed maintenance and preventive maintenance for processing equipment and machinery in the silica plant or MRBC department.
- Troubleshot faults and problems in all machinery and equipment across HVAC, carpentry workshop, auto workshop, maintenance workshop, chemical laboratory, chiller A/C, water treatment plant, sewage treatment plant, and silica plant.
- Scheduled work for corrective and preventive maintenance.
- Reported daily work status to facility engineer, providing updates on maintenance progress and issues.
- Addressed plumbing issues reported by occupants, ensuring prompt solutions.
- Ensure safety and housekeeping in the workplace.
- Employer: Al Hejaz Horizon (formerly Motaar Al-Fhami Contracting Company)
Maintenance Mechanic
Saudi Geological Survey
Jeddah
10.2007 - 08.2010
- Diagnosed and troubleshot electrical faults and engine malfunctions in all cars (light & heavy), ensuring optimal performance.
- Checked and maintained mechanical and electrical systems in all cars, ensuring safety and reliability.
- Repair and replace all defective parts of the car.
- Monitored and organised routine maintenance schedules for servicing all cars and equipment (mobile & stationary), contributing to operational readiness.
- Employer: Motaar Al-Fhami Contracting Company
Maintenance Engineer for Tug Boats
United Salvage and Towage Incorporated
Paco, Metro Manila
12.2005 - 04.2006
- Assisted senior mechanical maintenance engineer in repair and maintenance of mechanical and electrical equipment on ships, including main engine, auxiliary engine, ball thruster engine, propeller, gearbox mechanism, anchor machine, pumps, air compressors, glove valves, gate valves, cranes, and hydraulic and pneumatic systems.
- Supervised technicians in repair and maintenance of electrical machines (fan motors, water pump motors, generators, refrigeration, air conditioning) on ships.
- Maintained operational condition of all machines and equipment on ships.
Maintenance Supervisor
Dingson Trading
Cainta, Rizal
10.2003 - 01.2004
- Supervise Mechanics and Technicians for the repair maintenance of all Cars and other Stationary Engines (mechanical and electrical).
- Monitored routine maintenance schedules for servicing all cars and other mobile and stationary machines to uphold reliability and performance.
- Created detailed job orders for repair and maintenance tasks to streamline workflow and enhance service quality.
- Diagnosed and troubleshot electrical and engine malfunctions to ensure operational efficiency of all cars.
Maintenance Mechanic
Nutritive Snack Food Corporation
Utap Tacloban, Leyte
01.1998 - 01.2000
- Serviced mechanical and electrical systems of all light and heavy vehicles to ensure reliability.
- Repaired and replaced defective parts to maintain optimal vehicle performance.
- Diagnosed and troubleshot electrical and engine malfunctions to restore vehicle functionality.
- Monitored routine maintenance schedules for all vehicles to ensure optimal performance.
Auto Mechanic
Camel Auto Repair Shop
Marasbaras Tacloban, Leyte
04.1995 - 02.1997
- Mechanical and electrical servicing of all cars (light & heavy).
- Diagnosed and troubleshot electrical and engine malfunctions to restore vehicle functionality.
- Repaired and replaced defective car parts to improve vehicle performance and safety.
- Created detailed job orders to facilitate accurate processing of vehicle repairs and enhance service efficiency.
Education
B.S - Mechanical Engineering
Leyte Institute of Technology
Tacloban City, Leyte03-2002
Granja National High School -
Granja National High School
Kalinawan Jaro, Leyte03-1994
Hibucawan Elementary School -
Hibucawan Elementary School
Hibucawan Jaro, Leyte03-1990
Skills
- Mechanical troubleshooting
- Preventive maintenance
- Technical documentation
- Computer literacy
- Refrigeration and air conditioning technician
- Generator and stationary engine mechanic
- Refrigeration and air conditioning technician
- Automotive mechanic (gas and diesel)
- General electrician
Certification
- Provincial Youth Skills Olympics, 1995-12-07, TRADE TEST CERTIFICATE, 1st Place Automotive mechanic
- Regional Youth Skills Olympics, 1996-06-28, Certificate of Competency, 1st Place Automotive mechanic
- National Youth Skills Olympics, 1996-12-14, 3rd Place Window Type Air Conditioning Dom. Refrigeration Mechanic
Custom Section
- Mariogayas.mg@gmail.com
- Mariogayas@ymail.com
Training
- Mineral Separation by using Electronic Color Sorter, Saudi Geological Survey, Jeddah, Kingdom of Saudi Arabia, 2015-02-02
- Filipino Computer Literacy Program (LAPTOP & DESKTOP SERVICING), Jeddah Children Educational Foundation, Jeddah, Kingdom of Saudi Arabia, 2014-01-10
- Automotive Mechanic, Technical Education & Skills Development Authority (TESDA), 1994-10-01
- Basic Safety Training, National Maritime Polytechnic (NMP), 2006-07-10
- STD/HIV Aids Prevention, National Maritime Polytechnic (NMP), 2006-07-14
- Prevention of Alcohol and Drug Abuse, National Maritime Polytechnic (NMP), 2006-07-21
- Marine Refrigeration and Air Conditioning, National Maritime Polytechnic (NMP), 2006-08-07
- Shore Base Fire Fighting, The Maritime Training Center of the Philippines (TMTCP), 2006-12-14
- General Tanker Familiarization, The Maritime Training Center of the Philippines (TMTCP), 2006-12-18
- Ship Security Awareness, Far East Maritime Foundation Incorporated (FEMFI), 2006-12-13
Personal Information
- Height: 159cm
- Weight: 66kg
- Passport Number: P6018004B
Timeline
Maintenance Mechanical Engineer
White Rocks Mining Co.
09.2023 - Current
Maintenance Mechanical Engineer
Global United Mines Co.
03.2019 - 09.2023
Maintenance Mechanical Engineer
Saihat Society For Social Services
03.2017 - 03.2019
Mechanical Engineer (Supervisor Mechanical Section)
Saudi Geological Survey
08.2010 - 10.2015
Maintenance Mechanic
Saudi Geological Survey
10.2007 - 08.2010
Maintenance Engineer for Tug Boats
United Salvage and Towage Incorporated
12.2005 - 04.2006
Maintenance Supervisor
Dingson Trading
10.2003 - 01.2004
Maintenance Mechanic
Nutritive Snack Food Corporation
01.1998 - 01.2000
Auto Mechanic
Camel Auto Repair Shop
04.1995 - 02.1997
B.S - Mechanical Engineering
Leyte Institute of Technology
Granja National High School -
Granja National High School
Hibucawan Elementary School -
Hibucawan Elementary School