Production Supervisor
iotagroup
HV Circuit Breaker Specialist
iotagroup· All operations
About this role
Company Description
The client is a leading Energy Company
Job Description
-Purpose:
The aim is to extend and upgrade five existing high-voltage (HV) electrical substations as a turnkey project.
This technical service will be carried out in Nigeria. This location could be changed according to the progress of the work and the project needs.
-Scope of Work:
The HV Circuit Breaker Specialist (132 kV and 330 kV) shall be moved to one of the Substation sites
Main Goals
-Represent 132 kV and 330 kV circuit breaker installation, testing and commissioning activities.
-Ensure safe and compliant installation, testing and commissioning of HV circuit breakers.
-Support Ready for Commissioning (RFC) and Energization.
-Coordinate installation and commissioning interfaces with HV, P&C and Customer teams.
-Deliver reliable and fully documented commissioned circuit breakers.
Deliverables:
-Review installation, testing and commissioning procedures, drawings and vendor documentation.
-Supervise pre-installation inspections and verify circuit breaker readiness.
-Supervise installation and assembly of 132 kV and 330 kV circuit breakers in accordance with approved drawings and OEM instructions.
-Supervise and perform circuit breaker timing, contact resistance and operating mechanism tests using the OMICRON CIBANO 500, CMC 356, CMC 256 plus….; witness insulation and SF6 tests where applicable.
-Supervise functional tests, interlocks, alarms and trip/close sequence verification.
-Verify protection interfaces, SCADA signals and control system integration.
-Record test results and prepare commissioning reports and checklists.
-Support SAT, customer inspections and energization activities.
-Identify defects, manage punch lists and support corrective actions.
-Ensure compliance with Company’s HSE, QA/QC and commissioning procedures.
-Support final handover documentation and as-built records.
-Approved installation, testing and commissioning procedures.
-Engineering drawings and technical documentation.
-Project specifications and contractual documentation.
-installation and commissioning standards
Qualifications
Requirements for Technical Services
Minimum 7 years of experience in HV circuit breaker installation, testing and commissioning.
-Experience with 132 kV and 330 kV AIS/GIS circuit breakers.
-Knowledge of HV circuit breaker mechanisms and applicable testing methods, with proven ability to operate the OMICRON CIBANO 500, CMC 356, CMC 256 plus ….
-Knowledge of IEC standards and OEM procedures; relevant training certificates mandatory.
-English mandatory.
Additional Information
This position is open to ALL nationals
Frequently Asked Questions
Is the salary disclosed for the HV Circuit Breaker Specialist position at iotagroup?
The salary for this HV Circuit Breaker Specialist role at iotagroup is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the HV Circuit Breaker Specialist position at iotagroup located?
This HV Circuit Breaker Specialist role at iotagroup is based in Onitsha, AN, Nigeria. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the HV Circuit Breaker Specialist role at iotagroup full-time or part-time?
This is listed as a Contract position. It is posted as a HV Circuit Breaker Specialist role in the All operations department at iotagroup.
Which team or department does the HV Circuit Breaker Specialist at iotagroup belong to?
This HV Circuit Breaker Specialist position is part of the All operations department at iotagroup. See the full job description for more information about the team structure and responsibilities.
How do I apply for the HV Circuit Breaker Specialist position at iotagroup?
Click the "Apply Now" button on this page. You will be redirected to iotagroup's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the HV Circuit Breaker Specialist job at iotagroup posted?
This HV Circuit Breaker Specialist position at iotagroup was posted on Sep 28, 2026. Apply as soon as possible — early applications are often reviewed first.
HV Circuit Breaker Specialist
iotagroup
You'll be redirected to iotagroup's official application page on SmartRecruiters.