Offshore HV Cable Construction Supervisor (m/f/d) in Hamburg

Do you want to play an active role in shaping the energy transition? At SeaRenergy, you'll work on challenging offshore wind and energy infrastructure projects in an international environment. Our 361° Offshore Expertise means comprehensive support across the entire project lifecycle – plus the extra degree that makes the difference. We go the extra mile for our customers, projects, and people. This creates diverse opportunities for professional growth – within our own teams or through exciting project assignments with our clients.

We are currently seeking an experienced

Offshore HV Cable Construction Supervisor (m/f/d)

Start date: December 2026 | Duration: September 2027 | Location / Assignment location: Baltic Sea – Offshore Substations (OSS Darß and OSS Zingst) | Contract type: Freelance / B2B

You will support a major offshore grid connection project in the German Baltic Sea, overseeing high-voltage cable installation activities on two offshore substations. The assignment involves supervising 220 kV cable installation works, ensuring compliance with contractual requirements, technical specifications and quality standards.

The position is predominantly offshore (95%) and follows a 14-days-on / 14-days-off rotation, with 12-hour day and night shifts.

We expressly welcome applications from all individuals, regardless of gender, background, or other personal characteristics.

As part of your role, you will be entrusted with the following responsibilities:

• Supervise offshore cable installation activities, including preparation works, cable pull-in, routing, termination and testing of 220 kV and fiber optic (FO) cables
• Monitor cable pull-in operations at offshore substation jackets and cable decks, as well as cable routing and termination works
• Verify compliance with contractual requirements, technical regulations and approved work procedures
• Identify, assess and monitor quality issues, non-conformities (NCRs), corrective actions and repair works
• Supervise cable testing activities, including final Site Acceptance Tests (SAT), and transportation and lifting of cable-related components
• Prepare daily construction surveillance reports, document findings using a traffic-light system and participate in regular project status meetings

Does your profile meet most of these requirements? We look forward to your application.

• Technical educational background, e.g. a degree in Electrical Engineering, Power Engineering, Energy Engineering or a comparable technical qualification
• Extensive professional experience in the energy cable sector, including several years of experience in offshore substation (OSS) cable installation activities involving 220 kV or higher voltage systems
• Valid Pfisterer S4 or S6 certification with several years of relevant practical experience
• Proven experience in cable pull-in, routing, termination and testing activities, as well as construction surveillance or working as a Client Representative
• Experience in quality assessment, technical procedures and project management
• Fluent English language skills (minimum B2); German language skills are an advantage

Certificates:

Minimum required certificates:

• GWO package (offshore safety, first aid, fire awareness, working at heights)
• Offshore medical certificate
• Pfisterer S4 or S6 certificate

To support a successful collaboration throughout the project, we offer the following benefits:

• A diverse and challenging role in a forward-thinking offshore wind company
• Collaboration with a highly experienced and motivated international team
• Insight into cutting-edge projects in a fast-evolving energy sector
• Clear coordination, streamlined onboarding, and professional project support
• The opportunity to build long-term relationships and future project opportunities with SeaRenergy

You can expect a varied role with a high level of personal initiative and responsibility in a dynamic team within the offshore wind energy sector. You will gain valuable hands-on experience and have the opportunity to develop both professionally and personally.

Have we sparked your interest?

Feel free to apply even if your profile does not fully meet all the requirements, as we value a willingness to learn just as much as professional expertise.