Siemens Relay Testing Engineer (SIPROTEC / DIGSI5)

We are seeking an experienced Relay Testing Engineer with strong expertise in protection relay configuration, testing, and commissioning, particularly within SIPROTEC 4 and SIPROTEC 5 relay systems. The ideal candidate will play a critical role in ensuring reliable protection schemes through relay configuration, testing, and fault analysis in power systems.

Relay Configuration & Parameterization

• Configure and parameterize SIPROTEC 5 protection relays using DIGSI5 engineering software.
• Perform hardware configuration, protection function settings, and CFC logic programming.
• Implement and manage IEC 61850 communication settings.

Relay Testing & Commissioning

• Conduct relay protection testing using DIGSI5 testing tools and integrated test sequencer.
• Perform functional testing for protection schemes including:
• Overcurrent (OC)
• Earth Fault (EF)
• Distance Protection
• Differential Protection
• Power Swing Blocking
• Switch-On-To-Fault (SOTF)

IEC 61850 & Communication Configuration

• Configure and validate GOOSE messaging and MMS communication.
• Prepare and manage SCL files (ICD, CID, SCD).
• Coordinate with SCADA teams to validate communication interfaces.

Fault Analysis & Diagnostics

• Extract and analyze fault records, trip logs, and disturbance waveforms.
• Use SIGRA software for disturbance analysis and protection performance evaluation.

Documentation & Reporting

• Prepare relay configuration files, protection setting sheets, test reports, and commissioning documentation.
• Maintain accurate technical records and ensure compliance with project and operational standards.

Technical Skills

• Strong expertise in DIGSI5 engineering software.
• Hands-on experience with SIPROTEC 4 and SIPROTEC 5 relay families.
• Familiarity with relay testing equipment such as OMICRON or Megger test sets.
• Solid understanding of power system protection principles including:
• Overcurrent Protection
• Earth Fault Protection
• Distance Protection
• Differential Protection

Educational Requirements

• Bachelor’s Degree in Electrical Engineering / Power Engineering.
• 10–12 years of experience in protection relay testing, configuration, and commissioning within power systems or substations.