Commissioning Engineer – Protection & Control
Job Overview
The Commissioning Engineer will be responsible for site engineering, testing and commissioning of Protection & Control systems, including Control & Relay Panels (CRP) and numerical protection relays for MV and HV substations up to 765kV.
The role involves protection relay configuration, parametrization, testing, troubleshooting, retrofitting and integration with Substation Automation Systems (SAS/SCADA). The incumbent will work on domestic and international project sites, ensuring successful commissioning and handover of protection systems.
Key Responsibilities
Perform testing and commissioning of Control & Relay Panels (CRP) for substations up to 765kV.
Test and commission protection relays and schemes for MV/HV applications, including feeder, transformer, distance, generator, line differential and busbar protection.
Configure and parameterize Protection Intelligent Electronic Devices (IEDs), including GOOSE communication, interoperability and integration with SCADA systems.
Configure communication protocols such as Modbus, DNP3.0, IEC 61850 and IEC 60870-5-103.
Perform IEC 61850 engineering activities, including dataset creation, Report Control Blocks (RCBs) configuration and signal tagging.
Undertake retrofitting, troubleshooting and replacement of protection IEDs and Control & Relay Panels.
Perform secondary injection testing using equipment such as Omicron, Doble, Ponovo and ISA.
Conduct automated protection testing, including OCC, State Sequencing, distance protection and differential protection characteristic tests.
Prepare commissioning documentation, including SAT reports, test reports, commissioning schedules, plans and Minutes of Meeting (MOM).
Plan and conduct technical training sessions and customer presentations.
Troubleshoot Windows-based applications, PC communication interfaces and serial/IP communication issues.
Coordinate with customers and project stakeholders to ensure successful site execution and commissioning.
Required Qualifications and Skills
B.E./B.Tech or postgraduate qualification in Electrical or Electronics Engineering.
2–6 years of hands-on experience in Protection & Control engineering, site testing and commissioning.
Strong knowledge of Control & Relay Panels and protection systems for MV/HV substations.
Hands-on experience in testing and commissioning numerical protection relays and associated protection schemes.
Knowledge of protection IED configuration, parametrization, GOOSE communication and SCADA integration.
Working knowledge of IEC 61850, IEC 60870-5-103, Modbus and DNP3.0 protocols.
Hands-on experience with secondary injection testing equipment.
Good understanding of Windows, serial communication and IP networking.
Strong verbal and written communication skills for customer interaction.
Analytical thinking, problem-solving ability, adaptability and willingness to learn.
Willingness to travel extensively, approximately 80–90%, as per project requirements.
Preferred Skills
Experience with protection and control equipment from Alstom, SEL, GE, ABB, NR and SIFANG.
Knowledge of Process Bus Technology.
Basic understanding of computer networking and communication protocols.
Experience in retrofitting and replacement of protection IEDs and Control & Relay Panels.
