Transformer Specialist
iotagroup
Transformer Specialist
iotagroup· All operations
About this role
Company Description
The client is a leading Energy Company
Job Description
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.
Main Goals
-Represent Company Energy for installation, testing and commissioning of 330 MVA, 165 MVA and 60 MVA power transformers.
-Ensure safe and compliant installation, testing and commissioning of power transformers.
-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 power transformers.
Deliverables:
-Review transformer installation, testing and commissioning procedures, drawings and vendor documentation.
-Supervise transformer receipt inspections and verify installation readiness.
-Supervise transformer positioning and assembly of bushings, radiators, OLTC and accessories, including vacuum filling and oil filtration, in accordance with OEM instructions.
-Supervise transformers turns ratio, winding resistance, vector group and OLTC tests using the OMICRON TESTRANO 600 or an equivalent from OMICRON.
-Supervise capacitance/tan delta tests using OMICRON CPC 100 with CP TD1, and SFRA tests using OMICRON FRANEO 800, where required.
-Verify insulation resistance, oil quality/DGA results, cooling systems, OLTC functions, alarms, protection and SCADA interfaces.
-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 Energy 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.
-Energy installation and commissioning standards
Qualifications
Requirements for Technical Services
-Minimum 7 years of experience in power transformer installation, testing and commissioning.
-Experience with 330 MVA, 165 MVA and 60 MVA power transformers, including oil handling and OLTC.
-Proven ability to operate OMICRON TESTRANO 600, with knowledge of CPC 100 with CP TD1 and FRANEO 800.
-Knowledge of IEC 60076 and OEM procedures; relevant OEM training certificates mandatory.
-English mandatory.
Additional Information
This position is open to ALL nationals
Frequently Asked Questions
Is the salary disclosed for the Transformer Specialist position at iotagroup?
The salary for this Transformer 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 Transformer Specialist position at iotagroup located?
This Transformer 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 Transformer Specialist role at iotagroup full-time or part-time?
This is listed as a Contract position. It is posted as a Transformer Specialist role in the All operations department at iotagroup.
Which team or department does the Transformer Specialist at iotagroup belong to?
This Transformer 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 Transformer 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 Transformer Specialist job at iotagroup posted?
This Transformer Specialist position at iotagroup was posted on Sep 28, 2026. Apply as soon as possible — early applications are often reviewed first.
Transformer Specialist
iotagroup
You'll be redirected to iotagroup's official application page on SmartRecruiters.