Protection & Control Design Engineer

Location: Chennai, Tamil Nadu, India Job ID: R0136697 Date Posted: 2026-08-03 Company Name: HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITED Profession (Job Category): Engineering & Science Job Schedule:  Full time Remote: No Job Description: Control and Relay Protection Engineer Job Title Control and Relay Protection Engineer Job Summary The Control and Relay Protection Engineer is responsible for the design, engineering, testing, commissioning, and maintenance of protection, control, automation, and monitoring systems for power transmission and distribution substations. The role ensures safe, reliable, and efficient operation of electrical power systems by implementing protection schemes, control systems, and communication networks. Key Responsibilities Protection System Engineering Design protection schemes for transmission and distribution networks. Develop protection settings and coordination studies for: Distance Protection Differential Protection Overcurrent Protection Earth Fault Protection Busbar Protection Transformer Protection Generator Protection

Perform short-circuit, load flow, and protection coordination studies. Control System Engineering Design substation control and monitoring systems. Prepare control schematics, logic diagrams, and functional designs. Develop interlocking and control philosophies. Configure and test HMI, SCADA, and automation systems. Engineering Documentation Prepare and review: Protection and Control Schematics Wiring Diagrams Single Line Diagrams (SLD) Cable Schedules Terminal Plans Bill of Materials (BOM) Functional Design Specifications (FDS)

Ensure compliance with project specifications and international standards. Relay Configuration and Testing Configure numerical relays from manufacturers such as: Siemens SIPROTEC GE Multilin ABB Relion Schneider Electric MiCOM SEL (Schweitzer Engineering Laboratories)

Perform relay testing and validation. Conduct factory acceptance tests (FAT) and site acceptance tests (SAT). Commissioning Activities Execute protection and control system commissioning. Conduct end-to-end testing and relay coordination verification. Perform substation energization activities. Troubleshoot protection and control system issues. Communication and Automation Implement IEC 61850-based substation automation systems. Configure communication protocols: IEC 61850 Modbus DNP3 IEC 60870-5-101/104

Support integration with SCADA and Energy Management Systems (EMS). Compliance and Safety Ensure compliance with utility standards, IEC, IEEE, and applicable regulations. Follow electrical safety procedures and commissioning practices. Participate in risk assessments and hazard analysis. Required Qualifications Education Bachelor's Degree in Electrical Engineering or Power Systems Engineering. Master's Degree is an advantage. Experience Typically 3–15+ years in protection and control engineering. Experience in transmission, distribution, or renewable energy projects. Technical Skills Protection relay applications and settings. Power system studies using ETAP, DIgSILENT, PSCAD, or similar software. Substation automation and SCADA integration. IEC 61850 engineering and testing. Reading and preparing electrical drawings and schematics. Soft Skills Problem-solving and analytical thinking. Technical report writing. Project coordination and stakeholder management. Strong communication and teamwork skills. Ability to work under project schedules and commissioning deadlines. Key Performance Indicators (KPIs) Successful completion of engineering deliverables. Protection system reliability and availability. Compliance with project schedules. Reduction of protection-related outages. Commissioning and startup success rate. Adherence to quality and safety standards.

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