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Available position 324G0003: Office Manager

We are looking for a flexible, professional and pro-active Office Manager who is able to recognize what needs doing and then take care of it. This job consists of a great variety of tasks. From receiving international guests and students to organizing business trips the world over. From ordering the monthly groceries and office supplies to storage. Ordering lunches for meetings and handling in- and outgoing mail. Furthermore, handling of documents for shipping, preparing shipments, organizing events and managing the external cleaning team is all part of the job.

You are sociable, have good organizational and administrative skills and an eye for detail. You are a team-player, who ensures that our colleagues get the support they need and contributes to a smoothly running office. As Office Manager you are part of our Team Support, reporting to our Head of Support.

cosine is a Dutch company with activities and staff in Germany, Italy and Spain. We develop and build optical and in-situ measurement systems for space, air and ground use. cosine executes development projects and builds hardware for its customers, ranging from large agencies and companies to universities and startups.

Our international team consists of physicists, engineers, technicians and support staff. Our main office in Sassenheim houses offices, meeting rooms, cleanrooms, assembly, testing and production facilities.

Responsibilities and tasks

Office management

  • Welcome our guests
  • Ensure that our building is well-organized, clean and tidy
  • Manage building access
  • Maintain inventory in our asset management system and organize storage
  • Order goods and services
  • Organize meetings

Administrative tasks

  • Make travel arrangements for directors and colleagues
  • Handle in/outgoing mail, answer incoming calls
  • Maintain CRM database
  • Maintain cosine library

Skills and qualifications

  • HBO or similar in administrative or economic subject
  • Minimum of 3 years working experience as Office Manager or in an administrative/secretarial role
  • Experience in an international setting is an advantage
  • German, Italian, Spanish and/or other languages at any level are an advantage
  • Pro-active, accurate, used to working with deadlines

We offer

A part-time or full-time job (32-40 hours) in a dynamic and international setting, with good and flexible working conditions.

Interested in this position?

Please submit your CV and a short motivation letter explaining why you want to work at cosine using the contact form shown below, mentioning reference 324G0003 in the section Your message. We accept most file formats, but we prefer PDF.

If you have questions about this position, please contact Karin Liang, our Head of Support, at or call us.

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