Senior HV/MV Substation Commissioning Engineer Relay Testing

Hitachi Energy Ltd.; Ballerup; On-site; DKK 700,000 - 1,100,000; Full time

Job summary

Hitachi Energy Ltd. is seeking a Commissioning Engineer in Denmark (Middelfart or Ballerup/Copenhagen) to lead testing and commissioning of HV/MV substations. The role spans planning, FAT, site execution, and coordination of resources for utilities, data centers, and industrial projects.

You'll work within the Grid Integration business - Nordic OU, requiring English fluency and basic Danish. Prior relay protection and switchgear experience is essential, with travel between sites expected.

Qualifications

• Bachelor’s degree in electrical engineering or similar.
• Experience at MV/HV substations testing and commissioning.
• Experience configuring/testing relay protection (Hitachi or other vendors).
• Competence in testing/commissioning of switchgear and related substation components.
• Experience with data-center substations is a plus.

Responsibilities

• Perform testing and commissioning of HV/MV substations, including protection systems and switchgear.
• Plan and document commissioning activities, FAT documentation, ITPs/ITRs, and Method Statements.
• Organize FAT testing of C&P equipment in the test lab.
• Ensure compliance with electrical safety and HSE requirements.
• Coordinate on-site commissioning activities and manage internal/external resources.
• Support tendering with commissioning plans and time/cost estimates.
• Act as commissioning leader/manager on projects when appointed.

Skills

Relay protection testing

Substation commissioning

HV/MV substation tests

Data center commissioning

English (written/spoken)

Danish (basic)

Education

Bachelor’s degree in electrical engineering

Tools

IEDs testing

Job description

Hitachi Energy Ltd. is seeking a Commissioning Engineer in Denmark (Middelfart or Ballerup/Copenhagen) to lead testing and commissioning of HV/MV substations. The role spans planning, FAT, site execution, and coordination of resources for utilities, data centers, and industrial projects.

You'll work within the Grid Integration business - Nordic OU, requiring English fluency and basic Danish. Prior relay protection and switchgear experience is essential, with travel between sites expected.