Protection & Commissioning Engineer – Substation

Siemens Mobility; Thane; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Siemens Mobility seeks a Mid-level Professional to test and commission Control & Relay Panels and Protection IEDs in MV/HV substations up to 765kV. The role involves extensive site work, troubleshooting, and commissioning documentation, with travel 80-90% to client sites.

You will configure communication protocols (Modbus, DNP3, IEC 61850, IEC 60870-5-103), integrate IEDs with SCADA, and support retrofit projects. Prior field experience is essential.

Qualifications

• Testing and commissioning of Control & Relay Panels up to 765kV.
• Protection Relays & Schemes for MV/HV applications such as feeder, transformer, distance, generator, line differential, busbar.
• Configuration, parametrization, Goosing, interoperability, and integration of Protection IEDs with SCADA.
• Configuration of communication protocols such as Modbus, DNP3.0, IEC 61850, IEC 60870-5-103.
• Creation of Data Sets, RCBs, and tagging of signals.
• Retrofitting of Protection IEDs.
• Troubleshooting and replacement of Control & Relay Panels (CRP).
• Troubleshooting of protection and control systems during commissioning.

Responsibilities

• Test and commission Control & Relay Panels up to 765kV.
• Test and commission Protection Relays and Schemes for MV/HV such as feeder, transformer, distance, generator, line differential, busbar.
• Configure Protection IEDs with SCADA and ensure interoperability.
• Configure Modbus, DNP3, IEC 61850, IEC 60870-5-103 communication protocols.
• Prepare commissioning documents (SAT Reports, Test Reports, Plans).
• Plan training and customer presentations.
• Work with Windows, PC communication, and serial/IP communication.

Skills

Protection Relay Testing

Relay Commissioning

Protection Schemes

MV/HV Substations

IEC 61850

IEC 60870-5-103

Modbus

DNP3

SCADA Integration

Goosing

Retrofitting

Protection IEDs

Omicron

Doble

Ponovo

ISA

Tools

Omicron

Doble

Ponovo

ISA

Job description

519686

30-Ago-2026

Smart Infrastructure

Mid-level Professional

Role Overview

Responsible for testing and commissioning of Control & Relay Panels, Protection Relays, Protection Schemes, Protection IEDs, and communication protocols for MV and HV substations, including projects up to 765kV.

The role involves extensive site commissioning activities, troubleshooting, retrofitting, customer interaction, and preparation of commissioning documentation.

Travel Requirement: 80-90%

Key Responsibilities

• Testing and commissioning of Control & Relay Panels up to 765kV.


• Testing and commissioning of Protection Relays & Schemes for MV and HV applications such as feeder, transformer, distance, generator, line differential, busbar, etc.


• Configuration, parametrization, Goosing, interoperability, and integration of Protection IEDs with SCADA.

Communication & Integration

• Configuration of communication protocols such as Modbus, DNP3.0, IEC 61850, IEC 60870-5-103.


• Creation of Data Sets, RCBs, and tagging of signals.


• Basic knowledge of networking and communication protocols.


• Retrofitting of Protection IEDs.


• Troubleshooting and replacement of Control & Relay Panels (CRP).


• Troubleshooting of protection and control systems during commissioning.

Testing Tools & Methods

• Hands-on operating knowledge of secondary injection test kits such as Omicron, Doble, Ponovo, ISA, etc.


• Experience with auto-testing methods such as OCC, State Sequencing, Distance Characteristics Testing, and Differential Characteristics Testing.

Documentation & Customer Interaction

• Preparation of commissioning documents such as SAT Reports, Test Reports, Commissioning Schedule/Plans, and MOM.


• Planning and execution of training courses and customer presentations.


• Working with Windows, PC communication, and serial/IP communication.

Added Advantage

• Experience with Protection & Control equipment and solutions, preferably with IEDs from Siemens, Alstom, SEL, GE, ABB, NR, and SIFANG.


• Knowledge of Process Bus Technology.


• Basic knowledge of Networking and Communication Protocols.

Key Skills

Protection Relay Testing | Relay Commissioning | Protection Schemes | Control & Relay Panels | MV/HV | 765kV | Protection IED | IEC 61850 | IEC 60870-5-103 | Modbus | DNP3 | Omicron | Doble | Ponovo | ISA | Secondary Injection | Distance Protection | Differential Protection | Busbar Protection | Transformer Protection | Feeder Protection | SCADA Integration | Retrofitting | Process Bus | Substation Automation