HV Circuit Breaker Specialist in a Leading Energy Company - IOTA Group

About this role

A HV Circuit Breaker Specialist is needed for a contract role in Anambra, to help upgrade five HV substations and manage installation, testing and commissioning of 132 kV and 330 kV circuit breakers. The position involves coordinating interfaces, supervising work, and ensuring safe, compliant delivery for a Nigerian project open to all nationals.

What you would do

• Coordinate installation and commissioning interfaces with HV, protection and control, and customer teams.
• Supervise installation and assembly of 132 kV and 330 kV circuit breakers per drawings and OEM instructions.
• Record test results and prepare commissioning reports and checklists.
• Verify protection interfaces, SCADA signals and control system integration.
• Witness insulation and SF6 tests and perform timing, contact resistance and operating mechanism tests.
• Support SAT, inspections and energization activities and assist in final handover documentation.

What they are asking for

• Minimum 7 years of experience in HV circuit breaker installation, testing and commissioning.
• Knowledge of IEC standards and OEM procedures; relevant training certificates mandatory.
• Experience with 132 kV and 330 kV AIS/GIS circuit breakers.
• Proficiency with OMICRON CIBANO 500, CMC 356 and CMC 256 plus testing devices.
• Good command of English.
• Ability to operate in Nigeria and work at HV substation sites.

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