Cleanroom Coordinator

Permanent employee, Full or part-time · Sassenheim, The Netherlands

Your mission

Join cosine, a pioneering R&D company at the forefront of space measurement system development!
We're looking for a pro-active and solution-oriented Cleanroom Coordinator, to join our Facility Management team. As a Cleanroom Coordinator at cosine you will ensure that our in-house advanced cleanrooms (more than 1000 m³) & research facilities are well-maintained, safe and fully equipped and utilized. You’ll work closely with our Head of Facility Management to ensure seamless facility operations and you are willing to take operational lead during his absence.
Communication on all levels is one of your strengths. You understand the importance of safety measures and alarm notification procedures. You have at least 1 to 2 years of experience as Cleanroom Coordinator. You are familiar with most aspects of high-tech clean room facilities, including climate control, electricity and the use of gases such as compressed air and nitrogen. You are also able to document procedures and processes.

Your profile

Responsibilities and tasks

Ensure smooth, compliant, and reliable operation of cleanrooms and technical infrastructure.
Monitor system performance, propose improvements, and support energy-efficiency initiatives.
Plan and coordinate preventive and corrective maintenance for HVAC, process gas, DI water, vacuum, and power systems.
Supervise technicians and contractors in contamination-controlled environments.
Maintain cleanroom documentation, logs, and validation records.
Further develop and maintain procedures to handle alarms, malfunctions, and remediation.
Act as deputy for the Head of Facility Management when needed.
Participate in facility upgrade or expansion projects.

Qualification and experience:

Bachelor’s degree in Facility Management, Facility Engineering, or a related field.
1–2 years of experience in technical facility operations, preferably in a high-tech or R&D environment.
Extensive knowledge of cleanroom systems and environmental control.
Strong organizational and documentation skills; attention to safety and compliance.
Good communication across multidisciplinary teams.
Fluent in Dutch; English proficiency required; German/Italian beneficial.
VCA-VOL certification is an advantage.

Why us?

At cosine for over 25 years, we design and build optical, electronic, mechanical, and software-driven systems that deliver precision, reliability, and long-term value. From satellites that monitor climate change to tools that explore other planets, our work powers missions that expand scientific discovery and strengthen infrastructure resilience.
cosine is a Dutch company with branches in Germany and Italy. Our head office in Sassenheim is located in the heart of the Randstad and houses extensive technical facilities such as cleanrooms, vacuum equipment, optical laboratories and assembly, testing and calibration facilities.

What do we offer?

A part-time or full-time (32-40 hrs per week) onsite position in a dynamic and international setting, and a chance to work on the cutting edge of space technology. Here you can combine your knowledge with highly innovative technology and applications with good and flexible working conditions.

Ready to launch your career into orbit?
Please submit your CV and a short motivation letter using the contact form shown below. We accept most file formats, but we prefer PDF.
If you have questions about working at cosine or available positions please contact Marjolijn Hendrickx, our HR Manager, at recruitement@cosine.eu or call us.

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About us

cosine is an innovative high tech company, with a dynamic and challenging working environment, and is always interested in applications ranging from excellent physicists with a strong technical interest to lab technicians with high standards. We offer a career in a young and international team, working with highly skilled colleagues who have a wide range of knowledge and experience. You are welcome to apply for one of our available positions or to send us an open application.

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We are looking forward hearing from you!

Thank you for your interest in cosine. Please fill out the following short form. Should you have difficulties with the upload of your data, please send an email to recruitment@cosine.nl.