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

Flair; Schlei-Ostsee; Remote; EUR 96,000 - 138,000; Full time

Job summary

SeaRenergy seeks an experienced Offshore HV Cable Construction Supervisor to oversee 220 kV cable installation on offshore substations OSS Darß and OSS Zingst in the German Baltic Sea. The freelance/B2B role starts December 2026 and runs to September 2027, with a 14-on/14-off rotation and 12-hour day/night shifts.

You hold a technical degree in Electrical/Energy engineering, Pfisterer S4/S6, and extensive offshore experience; English fluency is required, German a plus.

Qualifications

• Degree in Electrical Engineering, Power Engineering, Energy Engineering or similar.
• Experience in offshore substation cable installation at 220 kV or higher.
• Pfisterer S4/S6 certification with years of practical experience.
• Experience in cable pull-in, routing, termination, testing and construction surveillance.
• Quality assessment, procedures, and project management experience.
• Fluent English; German language an advantage.

Responsibilities

• Oversee 220 kV cable installation on OSS Darß and OSS Zingst.
• Supervise offshore HV cable installation activities and ensure compliance with contracts and technical specs.
• Coordinate with contractors and internal teams; ensure adherence to quality and safety standards.
• Manage the 14-on/14-off offshore rotation and 12-hour day/night shifts.
• Act as Client Representative and ensure project progress and documentation are in line with expectations.

Skills

High-voltage installation

Offshore project supervision

Pfisterer S4/S6 certification

Electrical engineering background

Quality assurance

Client representation

English fluent

Education

Electrical Engineering or related technical degree

Job description

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.

• 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