Senior Offshore Cable Engineer – Inter-Array & Platform Interfaces (m/f/d)

Searenergy; Berlin; Hybrid; EUR 101,000 - 166,000; Full time

Job summary

SeaRenergy Group is seeking an experienced electrical/offshore engineer for a freelance/B2B role in Berlin. You will contribute to the design and integration of inter-array AC cable systems for a large offshore wind project in the Baltic Sea, with about 50% remote work and 40% on-site, plus occasional international travel.

The role requires a technical degree, strong HV cable experience, knowledge of J-tube and platform interfaces, and strong English (C1).

Qualifications

• Completed university degree in a technical field (electrical/ offshore/ mechanical).
• Solid experience with high-voltage AC cable systems.
• Experience in cable installation engineering and pull-in concepts.
• Experience with J-tube and platform interface assessments.
• English proficiency at C1 level and EU work permit.

Responsibilities

• Develop, validate and assess cable properties for inter-array AC cable systems.
• Assess installation feasibility and define requirements for cable installation on platforms.
• Develop and evaluate installation concepts across different designs and contractors.
• Define inputs for thermal calculations and review results.
• Document interfaces, constraints and responsibilities for cable, platform design and installation.

Skills

High-voltage AC cable engineering

Offshore engineering

Cable installation engineering

J-tube and platform interfaces

English (C1)

Multi-contractor coordination

Education

Technical university degree in engineering or offshore engineering

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

Start date: 1 January 2027 | Duration: 31 December 2028 (approx. 180 service days, extension possible) | Location / Assignment location: Berlin, Germany (approx. 50% remote / 40% onsite) with occasional international travel | Contract type: Freelance / B2B

You will provide engineering and advisory services to a German transmission system operator for a large-scale offshore wind project in the Baltic Sea. Your focus will beonthe technical design and integration of inter-array AC cable systems at offshore platforms.

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:

• Develop, validate and assess the cable properties and technical parameters required for the design of inter-array AC cable systems
• Assess installation feasibility and define requirements and constraints for cable installation on the platform, including J-tube design, cable routing and pull-in operations; assess associated installation loads and derive platform interface requirements
• Develop and evaluate installation and pull-in concepts, including technical variants across different cable designs, suppliers, installation contractors and platform configurations
• Define cable engineering inputs and boundary conditions for thermal calculations, and review the resulting assessments
• Document technical interfaces, provisions, constraints and responsibility boundaries between the cable system, platform design and installation, including assumptions, calculation bases and recommendations to support design decisions

Does your profile meet most of these requirements?

• A completed university degree in a technical field, e.g. electrical engineering, power engineering, mechanical engineering or offshore engineering, or a comparable qualification
• Solid practical experience in the engineering of high-voltage AC cable systems, preferably offshore or inter-array cables
• Proven experience in cable installation engineering, including pull-in concepts, installation loads, allowable pulling forces, bend radii and related mechanical constraints
• Experience assessing J-tube and platform interfaces, cable thermal boundary conditions, and the impact of different cable designs on platform and installation requirements
• English proficiency at least at C1 level. and an unrestricted EU work permit
• Structured, independent communicator, able to document robust assumptions from incomplete data and coordinate across multi-contractor teams

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?