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HV Circuit Breaker Specialist

IOTA GROUPSmartRecruitersOnitsha, AN, NG
Posted 28 SepFound 20 OctSeen 4 hours ago

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The Posting

The client is a leading Energy Company

-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

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.

This position is open to ALL nationals

Facts

Source
SmartRecruiters
External id
744000152214379
Location
Onitsha, Nigeria
Remote
On-site, from the posting
Employment
Contract
Posted
28 Sep 2026, 15:33
First seen
20 Oct 2026, 16:11
Last seen
1 Nov 2026, 23:24
Status
Not yet added
Posting id
c61385d7-52a0-5a8f-a914-bf214ac72490