Position: Testing & Commissioning Engineer – 400 kV / 765 kV

Experience: 5–12 Years

Qualification: Diploma,B.E./B.Tech in Electrical Engineering

Job Location: Project Site / Pan India

Industry: Power Transmission & Substation / EPC

Job Responsibilities

- Execute testing, pre-commissioning and commissioning activities for 400 kV / 765 kV substations and transmission projects.
- Perform testing and commissioning of power transformers, reactors, CTs, PTs/CVTs, circuit breakers, isolators, earth switches and busbars .
- Carry out testing of protection and control systems , including distance, differential, overcurrent, earth fault, busbar and transformer protection.
- Conduct relay testing, relay coordination, secondary injection and functional checks using testing kits such as Omicron or equivalent.
- Verify CT/PT polarity, ratio, excitation characteristics, insulation resistance, winding resistance, contact resistance and transformer-related tests .
- Perform breaker timing, SF6 gas-related checks, insulation and contact resistance tests and associated functional testing.
- Test and verify AC/DC systems, battery chargers, DCDB/ACDB, control panels and auxiliary systems .
- Execute testing and commissioning of SAS/SCADA, RTU, bay control units and communication systems , including IEC 61850-based systems.
- Verify interlocking, tripping logic, closing circuits, annunciation, protection schemes and trip circuit supervision .
- Review and interpret SLDs, protection schematics, wiring diagrams, cable schedules, control circuits and approved testing procedures .
- Coordinate with client, consultant,



OEMs and project execution teams during testing and commissioning activities.
- Prepare and maintain test reports, commissioning protocols, checklists, punch points and as-built documentation .
- Ensure compliance with applicable CEA, IEC, IEEE and utility/client standards and project specifications.
- Troubleshoot electrical/protection system issues during commissioning and ensure timely resolution.
- Support energization, charging of equipment and successful handover of the substation to the client.
- Ensure compliance with HSE requirements, permit-to-work procedures and site safety standards during testing and commissioning.

Key Technical Skills
- 400 kV / 765 kV GIS/AIS Substation Testing & Commissioning
- Protection & Control Testing
- Transformer & Reactor Testing
- CT/PT/CVT Testing
- Circuit Breaker & Isolator Testing
- Distance, Differential, OC/EF & Busbar Protection
- Relay Testing – Omicron / Megger / Doble
- Secondary Injection Testing
- SAS / SCADA / RTU / IEC 61850
- AC/DC Auxiliary Systems
- Interlocking & Functional Testing
- SLD and Protection Scheme Interpretation
- Troubleshooting & Energization

Preferred Experience
- Experience in 400 kV / 765 kV EHV transmission substations .
- Experience with Power Grid / State Transmission Utility / EPC substation projects will be preferred.
- Hands-on experience in AIS/GIS substations and EHV equipment commissioning .
- Experience working with major OEMs such as ABB/Hitachi Energy, Siemens Energy, GE Grid Solutions, Schneider Electric or equivalent will be an advantage.
- Willingness to work at project sites and travel as required .

📌 Testing and Commissioning Engineer (Gujarat)
🏢 Integrated Personnel Services
📍 Gujarat