Conduct CT/VT ratio verification, polarity checks, burden calculations, and accuracy class validation
Execute point-to-point wiring checks, loop testing, and functional verification of protection schemes
Perform end-to-end trip testing, interlock verification, and protection scheme proving
Simulate fault conditions to validate relay response times, selectivity, and grading coordination
Quality Assurance & Compliance
Ensure all protection testing activities are performed in compliance with IEC 61439-1&2, IEC 60255, IEC 61850, IEEE C37 series, and applicable project-specific standards
Prepare and maintain detailed FAT procedures, test plans, test checklists, and inspection & test plans (ITPs)
Document test results accurately in structured test reports and ensure non-conformances are raised and tracked through the NCR process
Support root cause analysis and corrective action implementation for protection-related non-conformances
Participate in internal and external audits related to protection system testing and quality
Technical Documentation & Reporting
Prepare comprehensive FAT reports including relay configuration records, injection test results, and functional test outcomes
Review and verify protection schematic drawings, wiring diagrams, and panel layouts against approved design documents
Maintain organized test records and ensure traceability of all protection testing activities
Generate punch lists and coordinate resolution of outstanding items prior to shipment
Continuous Improvement & Team Support
Identify opportunities to improve factory testing procedures, reduce test cycle times, and enhance test coverage
Support the development and calibration of test jigs, fixtures, and standardized test setups for protection relay testing
Provide technical mentoring and training to junior testing engineers and technicians on protection relay fundamentals
Collaborate with design engineering, production, and quality teams to resolve technical issues identified during testing
Qualifications & Requirements
Education
Bachelor's degree in Electrical Engineering, Power Systems Engineering, or a related discipline
Specialized training or certification in protection relay technology is a strong advantage
Experience
Minimum 5–10 years of hands-on experience in protection relay testing, configuration, and commissioning within a factory/manufacturing environment
Demonstrated experience with numerical protection relays (SEL, ABB REF/RET/RED series, Siemens SIPROTEC, Schneider MiCOM/Sepam, GE Multilin)
Proven track record in executing FAT for LV/MV switchgear protection systems
Experience with IEC 61439-compliant switchgear manufacturing and testing processes
Familiarity with IEC 61850 GOOSE/MMS communication testing and substation automation systems is a plus
Technical Skills
Proficiency with relay test injection equipment (Omicron CMC, Megger SMRT, ISA DRTS)
Strong knowledge of protection coordination principles, relay setting calculations, and grading studies
Ability to read and interpret electrical schematics, protection logic diagrams, wiring diagrams, and panel GAs
Familiarity with SCADA interface testing, Modbus, DNP3, and IEC 61850 communication protocol verification
Working knowledge of protection coordination software (ETAP, DIgSILENT) is advantageous
Proficiency in MS Office for report preparation and data analysis