Site Electrical Engineer/ Supervisor

NIPPON KOEI ENERGY (THAILAND) CO., LTD.Su-ngai Kolok, Narathiwatjobthaipublished 08/25/2026
  • Assist Site Manager in technical oversight of all electrical scopes: PV modules, string combiner

boxes, inverters, transformers, SCADA.

  • Review and approve electrical construction documents: cable routing drawings, single‐line

diagrams, earthing schemes, electrical ITPs, O&M manuals.

  • Monitor EPC contractor’s electrical installations; witness and verify inspections and tests

(continuity, insulation resistance, polarity).

  • Ensure electrical works follow international/national codes, project specifications, and safety

standards.

  • Coordinate with design and protection engineers to resolve site electrical issues and technical

queries.

  • Verify completion of electrical milestones; support invoice certification.
  • Oversee commissioning tests: string and array performance, inverter functionality, transformer

energization, system integration, performance testing.

  • Review and validate commissioning reports, test logs, and as‐built documentation.
  • Support troubleshooting during performance testing; identify defects and supervise corrective

actions.

  • Contribute to weekly/monthly site reports on electrical activities.

Qualifications: Bachelor’s degree in Electrical Engineering. Minimum 5 years’ in electrical engineering on power generation or large distribution projects. At least 2 years in solar PV projects with hands‐on site commissioning experience. Good in English for technical communication and reporting. In‐depth understanding of PV plant electrical systems and electrical testing procedures. Proficient in interpreting single‐line diagrams, protection schemes, and earthing designs. Strong analytical and problem‐solving skills for on‐site troubleshooting. Excellent coordination with multidisciplinary teams and clear report writing.

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