Plub Chomna

Electrical Engineer | Service Engineer

Bachelor’s degree graduate in Electrical Engineering from King Mongkut's Institute of Technology Ladkrabang (KMITL) with hands-on experience in Data Center infrastructure maintenance and cooling system commissioning.

Experience in Service Engineer at SITEM Corporation, Perform in commissioning and integration testing for OAHU, as well as service and maintenance for CRAC/OAHU, DCIM, UPS, and Fire Alarm systems. Experienced in onsite troubleshooting for hyperscale data centers and smart buildings. Internship experience at PTT Global Chemical (PTTGC) focused on electrical protection systems (Relay Settings, Single-Line Diagrams), PLC programming (TriStation 1131), Experion HMI, and field instrumentation testing.

Strong foundation in power system protection, P&ID, Control Loop Diagram, Sequence Diagram, Instrument Set Point List, Temperature Element, EHS safety compliance (LOTO), and cross-functional team collaboration. Passionate about optimizing critical infrastructure, power plant and facility operations, and continuous shift engineering.

Service Engineer - Service and Maintenance Data Center, Smart Building at SITEM Corporation CO., LTD (2026-04 – Present)

• Performed Commissioning & Integration Testing for large-scale cooling infrastructure in coordination with building management system to guarantee the reliability and availability of all systems prior to official handover.
• Supported operations and maintenance for data center support infrastructure various levels, in-building government server rooms to large-scale multi-tenant colocation facilities and hyperscale data centers
• Verified system integration between high-efficiency cooling systems (OAHU, CRAC), Data Center Infrastructure Management (DCIM), Fire Suppression and Fire Alarm Systems, and Uninterruptible Power Supply (UPS) systems within the data center.
• Responded to cooling system alarms reported by Data Center Engineering Operations (DCEO) teams
• Performed onsite troubleshooting for abnormal conditions such as high pressure alarms, high humidity alarms and fan failure alarms.
• Assisted Preventive Maintenance (PM) and Corrective Maintenance (CM) activities in coordination with engineering team.

Electrical Engineer Internship - Instrument, Control System and Electrical Maintenance at PTT Global Chemical Public Company Limited (2025-05 – 2025-10)

• Reviewed and updated relay Setting, single line diagram, and load list data to be current for the protection system is accurate and has the correct response sequence.
• Testing pressure gauges and temperature elements, as assigned by field technicians.
• Assembled and tested an induction motor, winding stator and assembling rotor, internal short circuit and no-load motor tests.

Bachelor of Engineering in Electrical Engineering – King Mongkut's Institute of Technology Ladkrabang (KMITL) (2022-08 – 2026-04)