At Windcat, we have been at the forefront of providing specialist crew transfer vessels to the offshore industry for over two decades. With a growing fleet of over 55 vessels and even more vessels in build, including the new MK5 series, we are one of the largest CTV operators in the industry. We are adding a new vessel type to our fleet to offer safety and comfort for up to 120 people: five Elevation Series CSOVs are currently underway. The first of these innovative vessels is expected to launch in 2025, completing our existing CTV fleet.

Our offices in Lowestoft (UK) and IJmuiden (the Netherlands) support the operation of our vessels across multiple sites and collaborates with local partners across Europe.

Windcat is a family that stands for pioneering experience, efficiency, trust and service, for a sustainable future. Ultimately, the way of working and the people at Windcat is what makes us stand out!

Windcat is a part of CMB.TECH, a shipping and cleantech company that develops, builds, owns and operates large marine and industrial applications that can run on hydrogen or ammonia. Therefore we build all our new vessels to run on hydrogen, marking a significant step towards reducing carbon emissions.

We continue to grow and maintain the leading position in the market with the continuous development of the company and expansion of our talented, passionate, and enthusiastic teams. To do this we are looking for aCommercial Assistant to join our company, whose expertise in assessment and completion of tenders and bids is critical to the success of our long-term plans.

Job Description

Reporting to the Tender Manager, you will support the assessment and completion of tenders and bids to a high quality, assess feasibility of opportunities and generate quotations. You will be the secondary point of contact for tendering, bid and chartering purposes.

Key Duties
  • Support the managing, tracking and meeting of all deadlines for tenders and bids.
  • Collect company information for the showcasing documents utilised for tendering.
  • Complete vendor and customer registrations.
  • Manage and updating client portals with the support from the commercial team.
  • Undertake research on enquiries as received under direction of the Tender Manager
  • Support the process flow of enquiry to contract.
  • Support the handover process following contract award.
  • Assist with organising marketing materials and stalls for exhibitions.
  • Assist with internal communications for inclusion in company magazine and internal updates.
  • Take part in tender clarification meetings with clients, review and log feedback.
  • From time to time, attend client face-to-face meetings.
  • Request client feedback periodically, as directed by the Tender Manager.
  • Maintain and organise the shared commercial drive as directed by the Tender Manager.
Skills and Experience


  • Excellent communication (written and verbal) and interpersonal skills
  • High degree of organisational skill and attention to detail
  • Ability to manage and prioritise multiple tasks
  • The ability to work both as a proactive team member and on your own initiative when required
  • Good working knowledge of English and able to communicate verbally and in writing.
  • Proficient in the use of Microsoft Word, Excel, and PowerPoint
  • Motivated and eager to learn and develop within the commercial team


  • Experience in a similar marine related role
  • Experience in a customer facing role
  • Previous experience in an administrative role
  • Full time employment in an international organisation (probation period applies)
  • Hours: 40 hours per week, Monday to Friday
  • Location: IJmuiden (office based)
  • Attractive salary
  • Competitive benefits package including company pension scheme

Please send your CV and covering letter/email to Vicky Webber, HR Business Partner,