Senior Commissioning Engineer

hitachi; Ballerup; On-site; DKK 700,000 - 900,000; Full time

Job summary

Hitachi Energy Denmark A/S is seeking a Senior Commissioning Engineer to lead pre- and full-site commissioning of HV/MV substations across Nordic projects. You will join a skilled team supporting utilities, data centers and industrial sites, balancing office work with on-site travel.

The role requires substation experience, relay testing skills and fluent English, with basic Danish. You will participate in planning, documentation and tendering efforts while advancing grid integration projects.

Qualifications

• Bachelor's degree in electrical engineering or similar.
• Experience at substation sites with MV & HV testing/commissioning.
• Experience configuring/testing relay protection (IEDs).
• Fluent in English; basic Danish knowledge.

Responsibilities

• Perform testing and commissioning of HV/MV substations, including protection systems.
• Prepare FAT documents, site ITPs/ITRs, and method statements.
• Organize FAT of C&P equipment in the test lab.
• Coordinate on-site commissioning activities and resource management.
• Support tendering with commissioning plans and time/cost estimates.
• Act as commissioning leader on projects when appointed.

Skills

English fluency

Danish basics

Education

Bachelor's degree in electrical engineering

Tools

Relay protection testing

Job description

Location: Ballerup, Capital, Denmark

Job ID: R0142544

Date Posted: 2026-10-20

Company Name: HITACHI ENERGY DENMARK A/S

Profession (Job Category): Engineering & Science

Job Schedule: Full time

Remote: No

Job Description:

Senior Commissioning Engineer

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.

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.

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?

Our selection process is continuous, and the position may be closed before the advertisement expires.

Accessibility and reasonable accommodation

Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.

This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.

Background Screening and Security Checks

As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws. For certain roles-particularly those involving access to sensitive