Please add Image or Slider Widget in Appearance Widgets Page Banner.
If you would like to use different Widgets on each page, we reccommend Widget Context Plugin.

Join Us

Build your future with us and
be part of Happy and Mighty Team.

WE commit in excellence with the following focuses.

Available Positions

Mechanical Engineer (วิศวกรเครื่องกล) Rayong

Scope of Responsibilities:

  • Conduct preventive maintenance on plant equipment. Review and ongoing updating Plan for PM using codes and standards.
  • Immediate corrective action for equipment failure.
  • Establish mitigation measures and look for the most likely root causes of equipment failure.
  • Control labor, resources, and tools for the maintenance workload.
  • Equipment and spare parts are constantly being improved with new technologies to make them more reliable, safe, and effective.
  • Coaching and supervising technicians to improve their mechanical competency.
  • Set up annual budgets that are reasonable and maintain the reliability of the plant’s equipment.


  • Bachelor’s degree in Mechanical Engineering or related field.
  • Minimum 4 years’ experience in a Refinery, Petrochemical Plant, Power Plant, or other relevant industry.
  • Good knowledge of rotating machinery especially pumps, blowers, compressor and rotating seals would be advantaged.
  • Good engineering background in manufacturing and inspection skills for static equipment (Tank, Vessel, Heat exchanger, Column).
  • Good understanding in PFD/PID GA & be able to draw isometric.
  • Interpersonal skill, planning, systematic thinking & problem-solving skill.
  • Fluent in English both written and verbal.
  • TOEIC score 550 is required

Electrical Engineer – วิศวกรไฟฟ้า Rayong

Scope of Responsibilities

  • Schedule and undertake periodic maintenance on all electrical equipment, components, and installations
  • Assist in forecasting requirements, creating a budget and scheduling expenses for the electrical department
  • Working in collaboration with any department to formulate the best performance manufacturing process
  • Troubleshoot machine breakdowns and provide preventive maintenance services


  • 2-4 years experience in Electrical Maintenance role (preferable in petrochemical or refinery)
  • Familiar with 22 kV system, LV switchgear, VSD, PLC and automation system
  • Positive attitude and continually improved the job
  • Good command in English both written and spoken
  • TOEIC score 550 is required