Designation: Senior Engineer
Department: Electrical
Employment Type: Full Time, Permanent
Role Category: Testing & Commissioning
Location: TamilNadu - Vellalviduthi
Reporting: Associate Vice President – BESS

Role Overview:
We are looking for an experienced BESS Testing & Commissioning Engineer with 6–8 years of strong technical experience in electrical testing, commissioning and power systems. The candidate should have hands-on experience in Battery Energy Storage Systems, PCS/Inverters, BMS, EMS, SCADA, MV/LV systems and protection systems.

Key Roles & Responsibilites:
  • Lead and execute BESS testing and commissioning activities from pre-commissioning through final energization and handover.
  • Review and understand Single Line Diagrams (SLD), wiring diagrams, control schematics, protection logic and OEM manuals.
  • Perform inspection and testing of:
  • Battery racks/modules/containers
  • Battery Management System (BMS)
  • Power Conversion System (PCS)
  • Energy Management System (EMS)
  • SCADA and communication systems
  • MV/LV switchgear
  • Transformers
  • Auxiliary systems
  • HVAC and fire detection/suppression interfaces
  • Carry out electrical tests such as IR, continuity, earth resistance, voltage/current verification and functional tests as applicable.
  • Conduct PCS charging/discharging tests, grid synchronization and operational mode testing.
  • Verify BMS alarms, trips, interlocks, SOC/SOH monitoring and protection functions.
  • Perform protection relay testing, trip circuit verification, interlock testing and emergency shutdown/E-Stop testing.
  • Verify communication between BMS, PCS, EMS and SCADA.
  • Troubleshoot electrical, control, communication and system integration issues during commissioning.
  • Coordinate with OEM, EPC contractor, client, electrical contractors and utility representatives.
  • Prepare and maintain commissioning documents, test reports, check sheets, punch lists and handover dossiers.
  • Ensure all testing activities are carried out according to approved method statements, ITPs, project specifications and OEM procedures.
  • Support SAT, performance testing, reliability testing and final project handover.
Qualification & Experience:
  • B.E./B.Tech in Electrical / Electrical & Electronics Engineering preferred.
  • Diploma in Electrical Engineering with strong relevant commissioning experience may also be considered.
  • 6–8 years of overall experience in Electrical Testing & Commissioning.
  • Strong preference for candidates with hands-on experience in BESS / Solar + BESS / Renewable Energy / Substation / Power Plant projects.
  • Experience in utility-scale BESS projects will be an added advantage.
  • Experience with PCS, BMS, EMS and SCADA integration is highly preferred.
  • Experience in client/OEM coordination and site commissioning leadership is desirable.
  • Candidates with Tamil Nadu project / utility coordination experience will be preferred.
Key Skills:
  • Strong technical knowledge of BESS and electrical systems
  • Excellent troubleshooting and problem-solving skills
  • Ability to read and interpret electrical drawings
  • Strong commissioning and testing skills
  • Good documentation skills
  • Ability to lead site teams
  • Good communication and coordination skills
  • Strong safety awareness
  • Ability to work under project deadlines
  • Willingness to work at project site in Vellaviduthi, Tamil Nadu