Testing & Commissioning Engineer - HV / EHV Substations
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Key skills for this role
About the Role
Alfanar Projects seeks an experienced engineer to lead testing and commissioning of HV/EHV substations (220 kV to 400 kV) in Saudi Arabia. The role requires hands-on experience with primary equipment, protection systems, substation automation, and grid energization.
Key Skills for This Role
Responsibilities
- Lead and execute testing and commissioning activities for HV/EHV substations (220 kV / 380 kV / 400 kV)
- Test primary equipment including AIS/GIS, circuit breakers, isolators, CTs, VTs, busbars, and earthing systems
- Commission EHV protection and control schemes including distance, differential, busbar, and overcurrent protection
- Perform primary and secondary injection testing, end to end protection testing, and relay setting verification
- Commission substation automation systems (SAS), SCADA, RTU, and bay level communication
- Lead EHV energization activities in coordination with grid authorities
- Prepare energization sequences, checklists, and safety clearances
- Supervise commissioning engineers and technicians
- Prepare and review method statements, risk assessments, and commissioning procedures
- Compile test reports, punch lists, and final commissioning dossiers
Requirements
- Bachelor’s Degree in Electrical Engineering
- Minimum 5 years of experience in EHV (220 kV / 380 kV / 400 kV) substation testing & commissioning or maintenance
- Proven hands on experience with HV/EHV protection schemes and grid energization
- Strong understanding of transmission level substations and live grid environments
- Familiarity with IEC standards and utility procedures
- Experience with ABB, Siemens, GE, Schneider, SEL or equivalent EHV protection platforms
Full Job Posting
Job Purpose
- To lead and execute testing and commissioning activities for HV/EHV substations (220 kV / 380 kV / 400 kV), covering primary yard equipment, secondary protection & control systems, substation automation, and grid interface, ensuring safe energization in compliance with utility standards, IEC/IEEE co
Key Responsibilities
- Execute and lead testing activities across complete substation installations including primary equipment (HV/EHV yard & switchgear) such as AIS/GIS systems, circuit breakers, isolators, CTs, VTs, busbars, feeders, earthing systems, and power transformers
- Ensure correct phasing, interlocking, clearances, earthing continuity, and readiness for first energization
- Test and commission EHV protection and control schemes including distance, line differential, transformer differential, busbar protection, overcurrent, and earth fault protection
- Perform primary and secondary injection testing, end to end protection testing, trip circuit supervision, interlocking verification, and relay setting verification
- Commission substation automation systems (SAS), SCADA, RTU, and bay level communication; perform signal validation and time synchronization
- Lead and support EHV energization activities in coordination with grid authorities; prepare energization sequences, checklists, and safety clearances
- Coordinate live grid switching, shutdowns, and re energization; troubleshoot protection trips, alarms, and communication issues during first energization
- Lead teams of commissioning engineers and technicians; coordinate with EPC teams, OEM specialists, utility representatives, consultants, and inspectors
- Prepare and review EHV specific method statements, risk assessments, commissioning and energization procedures; compile test reports, punch lists, clearance certificates, and final dossiers
- Ensure compliance with IEC, IEEE, NEC standards and transmission utility specifications; enforce strict EHV safety and permit to work systems
Candidate Profile
- Bachelor’s Degree in Electrical Engineering
- Minimum 5 years of experience in EHV (220 kV / 380 kV / 400 kV) substation testing & commissioning or maintenance
- Proven hands on experience with HV/EHV protection schemes and grid energization
- Strong understanding of transmission level substations and live grid environments
- Familiarity with IEC standards and utility procedures
- Experience working directly with transmission utilities or major EPC contractors preferred
- Prior involvement in first energization of EHV substations or transmission bays preferred
- Experience in OHTL–substation interface commissioning preferred
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