Maintenance Engineer High-Tech Laboratories

Your (space) mission

As the Maintenance Engineer High-Tech Laboratories at cosine you ensure the reliability of the advanced equipment that enables the development and production of cutting-edge space instrumentation. From laboratory systems and cleanroom equipment to high-precision production machinery, you play a vital role in keeping our operations running safely, efficiently, and without interruption.

You will work in a unique environment where science, engineering, and manufacturing come together. By combining preventive maintenance, technical troubleshooting, and continuous improvement, you directly contribute to the quality, safety, and continuity of projects that support some of the world's most ambitious space missions.

Tasks & responsibilities

In this role you will:

• Execute, optimize, and continuously improve preventive maintenance plans for laboratory equipment, production machinery, and facility-related systems
• Diagnose technical failures, identify root causes, and coordinate effective solutions to minimize downtime and operational impact
• Manage spare parts, maintenance materials, and supplier activities to ensure equipment availability and reliability
• Maintain accurate maintenance records and asset information within the asset management system and communicate proactively with stakeholders
• Ensure all maintenance activities comply with applicable safety standards and contribute to a safe and reliable working environment

Your profile

We are looking for candidates with the following qualifications:

• MBO+ or HBO degree in Mechanical Engineering, Mechatronics, Industrial Automation, or a related technical discipline
• Experience maintaining technical equipment in a production, laboratory, or other high-tech environment
• Experience working with maintenance or asset management systems
• VCA-VOL certification or an equivalent safety qualification
• Certified for electrical work, or willing to obtain the required certification
• Fluent in both Dutch and English, with the ability to communicate effectively across technical and operational teams

What we offer

At cosine, we highly value our employees, and we will support your professional and personal development. We also provide our employees with:

• A unique, international working environment at the intersection of physics and engineering 
• The opportunity to deliver end-to-end solutions in autonomous project teams, in close collaboration with customers
• A competitive salary
• 27 days of annual leave (based on full-time employment) 
• Annual bonus based on personal and company performance
• Company bicycle- and fitness plan
• A personal development budget
• Initial one-year contract, with the aim of long-term collaboration

About cosine

Founded in 1998, cosine is a world-leading developer of space instrumentation and measurement systems, making the invisible measurable and the complex actionable.

Its expertise spans High-Energy Optics, including optics developed for ESA's future NewAthena X-ray observatory, as well as remote sensing solutions for Earth Observation and planetary science.

With over 25 years of experience and advanced cleanroom and assembly facilities across the Netherlands, Germany, and Italy, cosine brings deep scientific and engineering expertise to some of the most demanding missions in space and on Earth.

What makes cosine a unique place to work is that your work goes end-to-end: from concept and design to building, testing, and delivering hardware that actually flies in space. You work in small, highly skilled teams where you have real ownership and impact, alongside experts in optics, physics, nanofabrication, and systems engineering. 

cosine is committed to providing an inclusive and equal opportunities work environment where everyone can thrive. As a proud member of the Women in Aerospace community, we recognise the importance of diversity, inclusion, and equal opportunity in the workplace.