Job details

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Vacancy information

Seaway 7, the Renewables & Heavy Lifting business unit of Subsea 7, is a uniquely capable and experienced partner for the delivery of offshore wind farm projects as well as specialist heavy lifting and cable installation services. With combined expertise in project management, engineering, procurement, fabrication, heavy lifting and cable installation services, Seaway 7 delivers these services in a comprehensive array of contractual structures including EPCI, T&I and BoP (Balance of Plant), to our clients in the offshore Renewables and Oil & Gas sector.

Seaway 7 operates from 4 main offices:

  • Heavy Lifting (Zoetermeer, Netherlands)  

Transportation and installation of offshore structures

  • Offshore Cables (Leer, Germany)  

Installation of submarine cables & umbilicals, trenching and IMR related business

  • EPC (Aberdeen, UK) 

Delivery of EPC solutions for the Renewables sector

  • Integrated Solutions and Floating Wind (Paris, France)

Delivery of integrated T&I solutions for the Renewables sector and Floating Wind development

We are looking for a fulltime Naval Architect to join our Specialist Engineering Department in Zoetermeer.

The Naval Architect fulfills the Specialist Engineering role within the installation and development projects.


• Motion behavior of vessels and barges.
• Multi body analysis of marine operations.
• Workability analysis.
• Mooring analysis. Vessel to Seabed
• Quayside Mooring
• Vessel to vessel mooring
• DP capability analysis, project specific.
• Positioning footprints project specific.
• Stability of crane vessels, transportation barges, other vessels, submerged structures.
• Longitudinal strength calculations.
• Loadout engineering
• Transportation analysis. Design input for grillage and seafastening. Sailability limits
• Towing engineering. Tug selection.
• Mating impact analysis
• Workability Forecast
• Offshore / yard experience
• Development In-house Programs
• Preparation and class approval of loading manuals and onboard computer programs.
• Preparation of parts of vessel’s operations manual.
• Specification, implementation and validation of third party purchased software.
• Supervision and checking of external engineering.
• Investigation of modification proposals.
• Preparations for operational upgrades.
• Engineering assistance for ship repair and dry-docking.
• Design, weight, loading and cost calculation for vessels and barges.
• Prepare technical specifications for construction/conversion/modification of vessels/barges.

Further Responsibilities

  • Perform single and multi-body motion behaviour and workability analysis for marine operations
  • Perform mooring and dynamic positioning analysis
  • Calculate strength and stability of crane vessels and transportation barges
  • Perform load out, transportation and towage engineering
  • Prepare design documents and in-house analysis reports
  • Develop engineering tools, specifications, guidelines and procedures
  • Contribute to internal meetings, client meetings, yard visits, mobilisations and offshore works
  • Keep track of relevant technology developments

Capability Profile / Qualifications:

  • BSc/ /MSc degree in Naval Architecture, Marine or Offshore Technology
  • Experience in offshore or shipbuilding is preferred
  • Demonstratable experience of the key responsibilities listed above.
  • Excellent computer skills and knowledge of relevant software (AQWA, Shipshape, Matlab, GMoor, DPCap, MS Office) is preferred
  • Good command of English

We offer:

A full-time job (40 hours per week) in an internationally orientated company in Zoetermeer. As well as a salary conforming to the market norm, we also offer excellent secondary terms and conditions.

If you wish to apply or if you want to learn more about Seaway 7, please visit our website

Subsea 7 are committed to creating a diverse workforce, offering excellent career opportunities, as well as providing a wide range of benefits and a flexible working environment.