About the role
Position SummaryThe Senior Testing & Commissioning Engineer is responsible for planning, coordinating, executing, and supervising testing and commissioning activities associated with the Solar PV Plant, Pooling Substation (PSS), Transmission Line, and Grid Interconnection Systems.The role ensures safe energization, compliance with project specifications, statutory requirements, applicable grid codes, and successful completion of project commissioning activities.
Key Roles & Responsibilities:
1. Commissioning Planning & Coordination
- Prepare commissioning plans, procedures, schedules, and checklists.
- Review engineering drawings, SLDs, protection schemes, and technical specifications.
- Coordinate commissioning activities with EPC contractors, OEMs, consultants, utility representatives, and client teams.
- Verify system readiness before testing, energization, and commissioning.
- Ensure required test equipment, manpower, tools, and resources are available.
- Monitor commissioning progress and ensure activities are completed as per project schedule.
- Verify completion of construction and installation activities before testing.
- Conduct mechanical and electrical completion inspections.
- Review and ensure closure of commissioning-related observations before energization.
- Ensure compliance with approved quality standards and project specifications.
- Verify cable schedules, tagging, labeling, and equipment identification.
- Check equipment installation, earthing, cable termination, control wiring, and related systems.
Supervise testing and commissioning of:
- LT Panels
- ACDBs
- DCDBs
- Auxiliary Power Systems
- Station Service Systems
- Battery Chargers / UPS, wherever applicable
- IR Testing
- Continuity Testing
- Phase Sequence Verification
- Functional Testing
- Interlock Checks
- Control and Protection Circuit Checks
4. HT System / Switchgear CommissioningSupervise testing and commissioning of:
- HT Panels
- ICOG Panels
- LBS
- RMU Switchgear
- VCBs
- Instrument Transformers
- IR Testing
- Polarity Check
- CT/PT Ratio Testing
- CT Knee Point / Excitation Testing for applicable cores
- Primary Injection Testing
- Secondary Injection Testing
- Circuit Breaker Contact Resistance Measurement
- Circuit Breaker Timing Test
- Insulation Resistance Testing
- Trip and Closing Circuit Testing
- Interlock Verification
5. Transformer Testing & CommissioningCoordinate testing and commissioning of:
- Inverter Duty Transformers (IDTs)
- Auxiliary Transformers
- Power Transformers
- Transformer Turns Ratio (TTR)
- Voltage Ratio
- Tan Delta Testing
- Winding Resistance
- Insulation Resistance
- Polarization Index (PI)
- Vector Group Verification
- Magnetic Balance Test
- Magnetizing Current
- Oil BDV Test
- DGA Analysis
6. Switchyard & Substation CommissioningCommission and test electrical equipment including:
- Circuit Breakers
- Isolators
- Earth Switches
- Current Transformers (CTs)
- Potential Transformers (PTs/CVTs)
- Lightning Arresters
- Protection Panels
- Metering Systems
- Busbar Systems
- Interlock Verification
- Operational Testing
- Control Circuit Verification
- Protection and Metering Checks
7. Protection & Control System Testing
- Configure and test protection relays as per approved settings.
- Verify relay settings and protection logic.
- Perform:
- Secondary Injection Testing
- Logic Verification
- Trip Circuit Testing
- Interlock Testing
- End-to-End Protection Testing
- Functional Testing
- Verify protection schemes including:
- Over Current Protection
- Earth Fault Protection
- Differential Protection
- Distance Protection
- Over/Under Voltage Protection
- Over/Under Frequency Protection
- Reverse Power Protection
- Breaker Failure Protection, wherever applicable
- Verify trip logic, alarm, annunciation, and protection coordination.
8. Grid Synchronization & Energization
- Coordinate with utility authorities for grid synchronization and energization.
- Conduct pre-synchronization inspections and checks.
- Verify protection, metering, control, communication, and system parameters before energization.
- Execute energization and synchronization activities safely and as per approved procedures.
- Monitor plant and grid parameters during initial operation.
- Coordinate with the utility, EPC, OEM, and project teams during synchronization activities.
9. Safety, Health & Environment (HSE)
- Ensure strict compliance with project HSE requirements.
- Implement:
- Permit-to-Work (PTW)
- Lockout/Tagout (LOTO)
- Electrical Isolation Procedures
- Risk Assessments
- Job Safety Analysis (JSA)
- Conduct toolbox talks and safety briefings.
- Ensure proper PPE and electrical safety practices during testing and energization.
- Investigate and report incidents, unsafe conditions, and near misses.
- Stop unsafe work where required.
- Commissioning Procedures
- Method Statements
- Test Reports
- Inspection Records
- Test Checklists
- Energization Reports
- Commissioning Check Sheets
- Punch Lists
- Daily / Weekly Commissioning Reports
- Equipment Test Records
- Ensure proper documentation for client and statutory approvals.
- Maintain complete records of testing, commissioning activities, observations, and test results.
11. Troubleshooting & Technical Support
- Lead troubleshooting of electrical, protection, control, and commissioning-related issues.
- Identify root causes of equipment failures and commissioning delays.
- Coordinate corrective actions with EPC contractors and OEMs.
- Provide technical recommendations for resolving commissioning issues.
- Support timely completion of testing and commissioning activities.
- Prepare RCA for major equipment failures or repeated testing failures.
12. Team Leadership & Stakeholder Management
- Supervise testing engineers, technicians, testing agencies, and commissioning contractors.
- Allocate manpower and commissioning resources effectively.
- Monitor daily testing and commissioning activities.
- Interface with clients, consultants, utility authorities, EPC contractors, and OEM representatives.
- Conduct technical meetings and commissioning review meetings.
- Coordinate with project, engineering, QA/QC, and HSE teams.
- Mentor junior engineers and technicians.
- Solar PV Plant Testing & Commissioning
- HT/LT Electrical Systems
- Transformer Testing
- Switchyard & Substation Testing
- Protection Relay Testing
- SCADA & Communication Systems
- Grid Synchronization & Energization
- Electrical Safety Management
- Electrical Testing & Troubleshooting
- Performance Testing & Analysis
- Root Cause Analysis
- Project Coordination
- Team Leadership
- Technical Documentation