Site Mechanical Engineer - Industrial Waste (Ayutthaya/Saraburi/Chonburi/Rayong/Prachinburi)

Job Position

This dual-role position begins as a Site Mechanical Engineer during the construction and commissioning phase of the industrial waste-to-energy plant.

After COD, the position transitions into O&M, responsible for leading the mechanical maintenance team to ensure the reliability, safety, and performance of all mechanical systems in day-to-day operations.

Job Responsibilities

• Monitor the EPC contractor’s mechanical installation works (boilers, turbines, conveyors, pumps, etc.) for conformance to design and quality standards.
• Conduct daily site inspections to verify safety compliance and work progress.
• Coordinate with the owner’s engineering, QA/QC, and HSE teams to manage issues arising at site.
• Participate in mechanical testing, commissioning, punch list inspections, and system handover processes.
• Support documentation review such as O&M manuals, test reports, and equipment data sheets for handover readiness.
• Attend site coordination meetings and report progress/issues to the Site Manager.
• Supervise mechanical personnel in the safe and timely execution of their duties on a day to day basis.
• Supervise mechanical repair and troubleshooting and assist in the training of the mechanical personnel.
• Set up preventive/predictive maintenance program and prepare all necessaries spaceports and consumable materials for mechanical repair.
• Improve technical information of mechanical equipment in maintenance database system.
• Maintain journals, logs, maintenance and equipment records and various reports.
• Provide general direction, control and evaluate to subordinate classifications.
• Initiate purchase requisition for any maintenance parts required and submit for approval.

Job Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• Minimum 5 years of experience in mechanical work in power plant, energy, or large-scale industrial settings.
• Experience in both construction supervision and plant O&M is strongly preferred.
• Must know and actively support quality, environmental, safety, and social management systems (e.g., ISO 14001, ISO 9001, ISO 45001, and ESMS).
• Familiarity with mechanical systems in WtE (waste-to-energy), thermal power plants, or heavy industrial facilities.
• Sound knowledge of preventive maintenance planning, condition monitoring, and mechanical failure analysis.
• Strong leadership, communication, and team coordination skills.
• Able to work full-time on-site and adapt to changing project/operation conditions.
• Proficiency in Thai; basic English for technical documents and reporting is a plus.
• Fluent in English both written and verbal (Minimum 600 TOEIC score).
• Goal–Oriented, Unity, Learning, Flexible.