Low Voltage Engineer - Offshore Substations
Semco Maritime
Company Overview
Semco Maritime A/S
Esbjerg, Denmark
1888
Approximately 1,300 employees and a revenue of $296.6 million in 2023 (source: zoominfo.com).
What They Do
Semco Maritime focuses on engineering, construction, and services in both conventional energy, including oil and gas, as well as renewable energy, particularly offshore wind. The company offers specialized solutions such as wind farms, fire suppression systems, telecommunications/IT, and mobilization services. Additionally, they provide engineering studies, projects, installation/commissioning, as well as maintenance and decommissioning of offshore assets, making them a versatile player in the energy sector (source: europeanjobdays.eu). Semco Maritime serves global energy markets and has a geographical presence in Denmark, the UK, Norway, Vietnam, Singapore, Montenegro, West Africa, and the North Sea (source: cbinsights.com). Their products and components support offshore assets, including electrical installations and valve maintenance, and they utilize a portable concept called "shipyard in a box" for flexible setups at customer locations (source: zoominfo.com).
Projects & References
Semco Maritime has completed a number of notable projects, including upgrades of drilling rigs and offshore work in Denmark, Norway, the UK, Singapore, Montenegro, and West Africa over the past 30 years. Among the ongoing major projects is the Mayflower Wind project in the USA, which commenced in January 2020 and is the company's largest order to date (source: semcomaritime.com). The company has also secured important contracts with clients such as TotalEnergies, including a 5-year contract for labor and construction services on Danish North Sea installations (source: zoominfo.com).
Recent Developments
In the past two years, Semco Maritime has secured a 5-year contract with TotalEnergies for Danish North Sea installations, which took effect in November 2022 (source: zoominfo.com). On April 12, 2023, they entered into a strategic partnership with BlueNord ASA, supporting a license application for the Elly-Luke gas field in the Danish North Sea (source: zoominfo.com). Furthermore, David C. Hutchinson was appointed as CEO and UK Country Head for Semco Maritime Ltd. on October 13, 2022, based in Aberdeen to drive growth in the UK (source: zoominfo.com).
Working There
Semco Maritime offers a wide range of roles in project management, engineering, design, construction, service, and maintenance. They have recently advertised positions in the UK, including Service Coordinator and Senior Planning Engineer, indicating active recruitment in Grimsby as well as likely in Esbjerg and Aberdeen (source: europeanjobdays.eu). The company culture emphasizes a cohesive team of highly skilled individuals working in a non-hierarchical environment, providing employees with freedom and responsibility (source: europeanjobdays.eu). Specific benefits are not documented in the available sources.
Last updated on 2026-02-23 | Report an issue
Job Description
Are you an experienced electrical engineer with a passion for renewable energy? Do you want to be part of a team working on innovative solutions? Join us and become an energy changer in the industry!
In your new position as Low Voltage Engineer - Offshore Substations in the Renewables division, you will be part of a team that has delivered one of the largest project portfolios of offshore substations in Northern Europe. Our reach extends across Europe, Taiwan, and the USA, so you can expect to be involved in exciting projects with a global scope.
At Semco Maritime safety is a core value, and in this role, you will contribute to maintaining and promoting a strong safety culture while delivering innovative solutions. Above all, your work will make a real change for the global energy sector.
Your place of work will be our office in Poland (Gdynia). The position is full-time, and you can expect up to 30 days of travel per year (world wide).
"We're excited to welcome a new colleague to our Low Voltage team - someone who's ready to contribute with curiosity, professionalism, and a strong sense of collaboration. In our department, we tackle complex challenges together, support each other's growth, and take pride in delivering high-quality solutions for our projects. We look forward to the fresh perspectives and energy you'll bring as we continue strengthening our capabilities and shaping the future of our field." - Stefan Åkesson, Senior Manager, Head of Low Voltage
Your tasks & responsibilities
You will be responsible for supporting the design and dimensioning of Low Voltage (LV) power systems, including AC and DC switchboards, UPS/Rectifier and Battery systems, Light Distribution, Small Power, Lightning Protection, Earthing/Bonding, Heat Tracing, Cables and Cableways throughout the construction process
Your tasks will include but are not limited to:
- Participate in worldwide Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT).
- Collaborate closely with vendors in the EPC projects to ensure prompt and accurate delivery of technical documentation for UPS and switchboards.
- Close cooperation with other disciplines to gain a comprehensive understanding of system interfaces.
- Perform battery and load calculations as necessary to ensure accurate delivery from vendors.
- Close collaboration with procurement to ensure technical alignment during the RFQ phases.
- Ensure that the technical quality of vendor documentation for switchboard and UPS manufacturers is up to the required standards.
- Conduct a thorough evaluation of cables to ensure compliance with relevant standards and suitability for the designated area of use.
- Be part of the project team and contribute to the delivery of low voltage systems for EPC projects.
- Support and adhere to health, safety, and environmental standards, in all activities.
Your profile & qualifications
The ideal candidate should be someone who can make technical decisions and set directions, while also being able to work effectively in a global team across countries. They should enjoy being part of a team and supporting their colleagues, and have a love for learning and a desire to go the extra mile with a positive attitude. Additionally, the candidate should carry an open mind and be able to work their way in. They should thrive on freedom under responsibility and flexible working hours.
To succeed in this position, we imagine that you have:
- A technical educational background - a degree in electrical or a background in electrical systems.
- Experience working with LV systems, dimensioning.
- Experience in EPC projects.
- Experience in building relationships with stakeholders (internal & external).
- Site work or similar hands-on experience.
- Great communication and interpersonal skills.
- Willingness to commute to the office - we love to meet together, so we expect you are present at the office at least 3 days a week.
- Fluency in English, verbal and written.
At Semco Maritime, we create change. For people. For projects. And for the global energy sector. With us, you will join a community of over 2,300 of the most dedicated thinkers and doers in the energy industry who are driving real change and making their own personal mark on the global energy landscape.
While everyone knows why the energy transition is vital, we are concerned with the journey. How to get there. By providing the answers needed to make change real. Because we believe that global energy ambitions can only be realized through hard work and clever pragmatic solutions. This is what we do. This is what we invite you to participate in.
Safety is at the core of everything we do, and we are committed to protecting our people, partners, and the planet as we work towards a sustainable energy future.
So yes, working for us will change the energy sector - and may well change you too.
Care to join the movement?
Change. With us.
Apply now
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About the role
February 12, 2026
Full Time
Company
- Gdynia, Poland
Experienced
UTC+01:00
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