CO

High Voltage Commissioning Engineer

CO-WORKER TECHNOLOGY SWEDEN AB
full_timeVerifiedPosted 28 May 2026

About the role

We are seeking an experienced High Voltage Commissioning Engineer to support the commissioning, testing, and energization of high-voltage substations, transformers, switchgear, and associated power system equipment for large-scale energy, infrastructure, and industrial projects. The successful candidate will play a critical role in ensuring the safe and reliable startup of electrical systems while supporting project execution, testing, troubleshooting, and handover activities. Responsibilities Commission high-voltage (HV) equipment and substations Execute protection relay testing and verification activities Perform transformer, switchgear, and electrical equipment testing Support energization and startup activities Troubleshoot technical and commissioning-related issues Review commissioning procedures, test protocols, and engineering documentation Coordinate commissioning activities with engineering, construction, and operations teams Produce commissioning reports and technical documentation Support FAT, SAT, site testing, and handover activities Ensure compliance with safety standards, project requirements, and commissioning procedures Requirements Bachelor's degree in Electrical Engineering or a related discipline Experience commissioning HV substations and electrical equipment Strong understanding of power systems and substation infrastructure Knowledge of protection and control systems Experience with transformers, switchgear, relays, and HV testing activities Strong troubleshooting and analytical skills Excellent communication and documentation abilities Fluent English, both written and spoken Preferred Experience High-voltage (HV) and medium-voltage (MV) substations Protection relay testing and commissioning IEC 61850 and substation automation systems SCADA and communication systems Utility, EPC, renewable energy, or industrial power projects FAT, SAT, commissioning, and energization activities International project experience Site-based commissioning work

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Company

CO-WORKER TECHNOLOGY SWEDEN AB

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