Senior Commissioning Engineer

Hitachi Energy Ltd.; Ballerup Kommune; On-site; DKK 650,000 - 950,000; Full time

Job summary

Hitachi Energy Ltd. is seeking a Commissioning Engineer with relay testing experience for assignments in Middelfart or Ballerup/Copenhagen, Denmark.

You will join the Grid Integration business - Nordic OU and be responsible for pre-commissioning and commissioning activities on HV substations for utilities, industry, and data centers. The role offers a balance of office and site work, travel, and collaboration with a skilled commissioning team.

Qualifications

• Requires a bachelor's degree in electrical engineering or similar.
• Experience with testing and commissioning of MV & HV substations is preferred.
• Fluent written and spoken English; basic Danish knowledge required.

Responsibilities

• Perform testing and commissioning of HV and MV substations, including control and protection systems.
• Lead pre-commissioning meetings, planning activities, and document preparation (ITP/ITR, FAT docs).
• Organize FAT testing of CP equipment in the test lab.
• Follow electrical safety instructions and Hitachi/customer requirements (HSE).
• Coordinate on-site commissioning activities and manage internal and external resources.

Skills

English fluency

Danish basics

Substation testing

Education

Bachelor’s degree in Electrical Engineering

Job description

At Grid & Power Quality Solutions and Service business in Europe (HBUEU), diversity drives our culture of innovation and collaboration. Our leading technology and strong market position enable us to achieve growth targets in the energy transition across current and growing market segments such as hydrogen, data centers and e-mobility.

Join Our Team!

The opportunity

Hitachi Energy is now looking for a Commissioning Engineer with relay testing experience in Middelfart or Ballerup/Copenhagen, Denmark. You will be part of a dedicated and skilled commissioning team within our Grid Integration business - Nordic OU (Finland, Sweden and Denmark). As a commissioning engineer, you are accountable for pre-commissioning and commissioning activities in our projects (e.g. HV substations for utilities, industry, data centers, etc.). Besides site commissioning activities, role could involve planning and management of external commissioning resources, tendering support for commissioning activities, FAT support, etc.

Variety of projects that we have within all three countries, as well as variety of commissioning and engineering tasks, gives you opportunity to have very good balance between office and site works, travelling, and your private life.

We are interested to learn more about you and what you can contribute with, so don't hesitate to apply even though you don't meet all requirements.

How You'll Make An Impact

• Perform the testing and commissioning of HV & MV Substations, including control & protection systems, HV/MV switchgears, power and aux transformers, AC & DC auxiliary systems, etc.
• Take part in pre-commissioning meeting, commissioning planning activities and documentation preparation (e.g. FAT documentation, Site ITPs & ITRs, Method Statements, Control programs, etc.).
• Organize and perform FAT of C&P equipment in our test lab.
• Follow the instructions of electrical safety and other HSE instructions in accordance with Hitachi/customer requirements.
• Coordinate and plan on-site commissioning activities, including internal and external resources management
• Support tendering by providing commissioning plan and time/cost estimation.
• Act as commissioning leader/manager in particular projects, if appointed.

Your background

• A bachelor's degree or above in electrical engineering or similar.
• Some working experience at substation sites, with testing and commissioning of MV & HV substations.
• Experience in settings/configuring and testing of the relay protection (e.g. Hitachi, or other vendors IEDs).
• Competence in testing & commissioning of switchgears and other key components/apparatus in substations.
• Overall experience in substation projects is a plus.
• Experience in commissioning of data centers substations is a strong plus (e.g. Microsoft, Google, Apple).
• You are fluent in English written and spoken alike. At least basic knowledge of Danish language is required.

Are you ready for an exciting new challenge? Does the above description sound like you?

Publication date : 2026-10-20