Job Description (JD)

Electrical & Commissioning Engineer (Transformer Replacement Project - Offshore)

Project: Replacement Transformer LQ 3rd Floor, PRP Platform (Offshore)
Location: Offshore Platform (PRP) and Chonburi Operations Center
Contract Type: Project-Based / Contract Position

Job Summary

Responsible for planning, supervising, and executing the replacement of an existing transformer with a new 112.5 kVA dry-type transformer at PTT's offshore platform. The role includes engineering design review, installation supervision, electrical testing, commissioning, troubleshooting, safety compliance, and project documentation. 

Key Responsibilities

Engineering & Planning

• Develop and review Method Statement, Switching Plan, Testing & Commissioning Plan, and Energization Plan.
• Coordinate outage and switching activities with relevant stakeholders.
• Review transformer specifications, drawings, and electrical calculations.
• Prepare risk assessments and work execution procedures before site activities begin. 

Installation & Construction

• Supervise dismantling of the existing transformer and associated equipment.
• Oversee installation of the new transformer and support structure modifications.
• Supervise power cable, control cable, grounding, and termination works.
• Ensure all installation activities comply with engineering standards and offshore requirements. 

Testing & Commissioning

• Conduct and witness electrical testing activities, including:
  • Insulation Resistance Test (IR)
  • Transformer Turns Ratio Test (TTR)
  • Winding Resistance Test
  • Functional Testing
  • Site Acceptance Test (SAT)
• Lead commissioning and energization activities.
• Troubleshoot and resolve technical issues during startup. 

Documentation & Reporting

• Prepare and submit daily progress reports.
• Update engineering drawings and As-Built Documentation.
• Compile commissioning records and Final Report.
• Coordinate project close-out documentation and warranty support. 

Safety & Compliance

• Ensure compliance with PTT SSHE requirements and offshore safety regulations.
• Participate in Permit to Work (PTW), Toolbox Talk, and Job Safety Analysis (JSA).
• Monitor contractor safety performance and compliance.
• Support waste management and environmental compliance activities. 

Qualifications

Education

• Bachelor's Degree in Electrical Engineering or related field.

Experience

• Minimum 2-5 years of experience in:
  • Transformer installation and replacement
  • Electrical testing and commissioning
  • Power systems in industrial facilities
• Offshore, Oil & Gas, Petrochemical, Refinery, Gas Plant, or Power Plant experience will be highly preferred. 

Professional Requirements

• Professional Engineering License (กว.) preferred.
• Ability to prepare Method Statements and Commissioning Documents.
• Knowledge of UL, NEMA, IEC, IEEE, or equivalent electrical standards.
• Experience with 480V power distribution systems is an advantage. 

Skills

• Electrical Testing & Commissioning
• Power Distribution Systems
• Transformer Installation
• Switching Operations
• Technical Report Writing
• Project Coordination
• Risk Assessment & Safety Management
• Problem Solving & Troubleshooting

Preferred Certifications

• Offshore Safety Training
• Working at Height
• PTW System Training
• First Aid / CPR
• Electrical Safety Certifications

Key Deliverables

• Approved Method Statement
• Switching & Energization Plan
• SAT & Commissioning Reports
• Updated As-Built Drawings
• Final Project Report
• Successful Energization and Handover of Transformer System