Castor Marine provides SATCOM and IT services for the maritime sector worldwide. Our clients are active in commercial sea shipping, offshore and superyachts. SATCOM is our core business. We also provide solutions for the complete IT on board. We provide 24/7 global support to provide customers with the best possible service. Our head office is located in De Meern. We also have offices in Groningen and Nice (France).

We are looking for an experienced person for the SATCOM and IT team in Groningen

System & Network Support Engineer (Fulltime)

As a System & Network Support Engineer you support our customers worldwide and you contribute to our IT solutions. You work together with your colleagues from our office in Groningen. Part of your job consists of visiting customers worldwide. You love to travel and don't mind working irregular hours.

Your responsibilities

  • Set up and maintain complex network structures including failover, redundancy and network security
  • Preparing and testing installations
  • Installing and maintaining IT networks (servers, switches, firewalls, etc.)
  • Contribution to the further development of our IT solutions
  • Follow product and technology developments
  • Working in consignment service

Skill requirements

  • At least 5 years of experience as a System & Network Support Engineer in a comparable environment
  • Demonstrable knowledge of Microsoft and VMWare
  • Knowledge of Fortinet / cybersecurity is an advantage
  • Good command of Dutch and English
  • Hands-on mentality, persuasiveness, accurate and flexible

What we offer

  • A challenging job in a growing organization
  • An international working environment
  • Company car

Application procedure

You can send your application and CV to with the subject System & Network Support Engineer. For more information about the position, please contact Mark Olthuis (

Acquisition in response to this vacancy is not appreciated.


Over Castor Marine

Castor Marine was ooit de satellietomroepafdeling van de grootste nationale telecomoperator KPN en splitste zich in 2005 af. Het bedrijf wordt nu particulier gefinancierd en is gevestigd in De Meern. Castor Marine is eigenaar-exploitant van twee telepoorten en een geleased glasvezelnetwerk. Ons toegewijde team bestaat uit technische, operationele en verkoopmedewerkers die op verschillende plaatsen in de wereld werken. We streven ernaar om de verwachtingen van de klant te overtreffen als het gaat om internetconnectiviteit en IT-services.

24/7 professional support
We are ready to assist you 24 hours a day, 7 days a week, wherever you are.
Voyager platform
Gives you unique real-time visibility of your internet traffic.
Global coverage and reliable connectivity
We provide reliable and secure onboard Internet connectivity using 4G LTE and VSAT systems.
Full service – we have everything in-house
Our own teleport, network solutions, global service and more.

How to apply

If you are interested, please send your resume and cover letter to

Note to agencies: acquisition is not appreciated!