
cosine · Sassenheim, The Netherlands
YOUR (SPACE) MISSION As the Maintenance Engineer High-Tech Laboratories & Production at cosine you ensure the reliability of the advanced equipment that enable...
As the Maintenance Engineer High-Tech Laboratories & Production 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.
facility-related systems
impact
stakeholders
environment
We are looking for candidates with the following qualifications:
At cosine, we highly value our employees, and we will support your professional and personal development. We also provide our
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.
ABOUT US QuantWare is building the world’s most powerful quantum processors to solve humanity's greatest challenges. We do this with our unique VIO™ technology, the only QPU architecture that breaks the hardware barriers that have held quantum computing back, unlocking the path to MegaQubit quantum processors. With VIO, we are paving the way for the hyper-scale quantum computers that will change the world. And delivering on that vision demands people who don’t shy away from tackling the hardest challenges of our time. That’s where you come in! As a Maintenance Engineer you will be responsible for keeping the technical installations, that are critical to our cleanroom environment, running safely and reliably. These includes but is not limited to air handling systems, gas cabinets, nitrogen generation, compressed air, ultrapure water and chemical supply systems. The main focus of the role is to ensuring the continuity and reliability of critical utilities. In particular, the ventilation / air handling system and the UPW installation must remain continuously operational and reliable. Your work will be essential as we scale to increasingly complex systems and deliver on the promise of quantum computing. What you'll be doing As Maintenance Engineer Cleanroom & Utilities, you will be responsible for: * Daily monitoring, inspection and maintenance of cleanroom-related installations; * Ensuring that the air handling / ventilation system remains continuously operational; * Monitoring cleanroom and equipment conditions such as air quality, pressure differences, temperature and humidity, nitrogen generation, compressed air and special gas systems; * Checking and maintaining the ultrapure water / UPW installation; * Supporting chemical supply systems; * Identifying, analysing, and resolving technical issues quickly and effectively; * Performing and coordinating preventive maintenance; * Participate in emergency response activities and provide technical support during utility outages; * Coordinating and supervising external suppliers and service contractors; * Maintaining technical documentation, maintenance logs and service reports; * Following all safety procedures and cleanroom protocols; * Contributing to improvements in reliability, safety and efficiency. Your Profile * A completed technical education at MBO-4 or HBO level, for example in mechanical engineering, electrical engineering, installation technology, process technology or a similar field; * Experience with technical installations in an industrial, high-tech or cleanroom environment; * Knowledge of HVAC / air handling systems; * Experience with utilities such as compressed air, nitrogen, process water or ultrapure water; * Experience with gas systems or chemical supply systems is a strong advantage; * A precise, structured and safety-conscious way of working; * Strong problem-solving skills and a high sense of responsibility; * Willingness to work according to strict cleanroom and safety procedures; * Good communication skills when working with colleagues, suppliers and contractors. Language requirements For this position, Dutch must be your main working language. You should also have a good command of English and be able to speak, read and write English confidently, as technical documentation, supplier communication and equipment manuals will be in English. Don't tick every box? Apply anyway. We know great candidates don't always follow a straight path, and we value diverse experience, perspectives, and ways of thinking. If this role excites you and you believe you can make an impact, we'd love to hear from you! What We Offer: At QuantWare, you’ll be part of a high-performing team of world-class experts in an ambitious, fast-moving environment. From day one, you’ll have the trust, tools, and support to do your best work. Here’s what you can expect: Competitive salary - A salary that reflects the impact and importance of the role (and of course 8% holiday allowance) Pension that’s built to last - A generous and future-proof pension plan that includes partner and dependent coverage. Flexibility built on trust - We focus on outcomes. Work flexibly, in a hybrid setup, with an open vacation policy that lets you manage your time Personal growth - We invest in your L&D, with a budget available to each team member, dependent on their individual ambitions, development needs, and performance A connected team - We make space to celebrate wins together, with team events, offsites, and spontaneous moments that bring us closer Diversity & Inclusion at QuantWare We’re an ambitious company, not only for our goals but also to become an even more diverse and inclusive team. We know this helps us with better decisions, more innovation, and strengthens our culture. In particular, we’d love to see more women in the quantum industry! So if you’re a female talent, excited about this opportunity but don’t meet every single requirement, we still encourage you to apply. As part of our recruitment process, candidates may be required to undergo pre-employment screening.
Silex Microsystems is the world’s leading pure-play MEMS foundry, customizing solutions for prominent global clients in industries such as pharmaceuticals, consumer electronics, and automotive. We are currently looking for a Service Technician to join our Backend Area, helping to ensure the uptime of our machines. Read more about Silex here. About the team The Backend area is a vital part of our production, where in the area we perform all outgoing quality control of our products, conducting electrical measurements and optical inspections. We also work with blade and stealth dicing, wafer thinning, and CMP (chemical mechanical planarization). There is a team of 19 people working in the Backend area, out of which four are working with service (three Service Technicians and one Maintenance Engineer). About the role As a Service Technician at Silex, you will play a crucial role in ensuring our high-tech equipment is operational in production through maintenance, operations, and service tasks, all conducted in cleanroom environments. The equipment you will work with involves electronics, pneumatics, mechanical systems, chemistry, and gases. You will collaborate with skilled colleagues, including area managers, process engineers, and operators. Each day begins with a handover from the previous shift, after which tasks are planned and divided among the Service Technicians. There will be a mix of planned and unplanned service activities, and we are continuously working to improve the uptime of our machinery to reduce unplanned tool stops. We want you to participate in, and help drive, continuous improvements in the area. The working hours for this position will be night shift, Monday night–Friday morning 22:30–07:00. For the first couple of months you will receive training on another shift (day, evening) and then transfer to the night shift. You will be the only Service Technician from Backend on the shift, but there will be Service Technicians present working in other areas of the fab as well as operators running our machines. In this role, you will Perform preventive maintenance on equipment. Carry out diagnostics, troubleshooting, and repairs on machinery. Be responsible for scheduled and unscheduled service activities. Coordinate service activities within the area alongside the area manager and other service technicians. Support new installations as well as modifications and upgrades of existing machines. Ensure that equipment and machinery follow Silex’s policies for providing a safe work environment. We are looking for someone who Has 3+ years' work experience in equipment service and maintenance within an industrial environment. Can troubleshoot effectively, using both electrical and mechanical understanding of the equipment. Is able to read electrical drawings and use them to aid in troubleshooting. Has good reading skills in Swedish; speaking Swedish is an advantage. Is proficient in English, both written and spoken. Is able to work independently and lead oneself. Works in a meticulous, structured, and detail-oriented way. Has the drive and curiosity to learn and grow together with Silex. About the recruitment process The recruitment process is temporarily on hold due to the summer holidays. That said, you are more than welcome to submit an application over the summer, but we won’t be able to get back to you until mid- or late August. To apply, please attach your CV or LinkedIn-profile, and answer a few questions. Our process is competency-based and will include interviews, a personality and logic test and reference checks. We will also conduct a background check and drug test prior to employment.
Build the bridge from innovation to industrial scale Smart High Tech is transforming breakthrough graphene technology into an industrial reality. Our advanced thermal management materials enable the next generation of AI infrastructure, semiconductors, data centres and high-performance electronics. As we move from R&D and qualification to large-scale production, we are looking for a Production Engineer to play a key role in industrialising our products and building robust manufacturing processes for future growth. Your Mission You will act as the technical bridge between R&D and Production, ensuring our products can be manufactured efficiently, consistently and at scale. Your mission is to: Industrialise new products and processes. Establish robust manufacturing methods. Improve yield, efficiency and process capability. Support production scale-up and operational excellence. This role directly impacts our ability to qualify with customers, expand production capacity and achieve commercial success. What You Will DoIndustrialisation & NPI Support the introduction of new products into production. Act as the technical interface between R&D and Production. Participate in design reviews with a Design for Manufacturability (DFM) perspective. Coordinate validation, qualification and production readiness activities. Process & Production Development Develop and optimise manufacturing processes. Define process parameters, work instructions and SOPs. Support the implementation of production equipment and tooling. Ensure successful transfer of processes into operations. Data, Systems & Traceability Support data collection, traceability and process monitoring. Define requirements for MES and production systems. Ensure systems support continuous improvement and operational efficiency. Continuous Improvement Analyse process performance and identify opportunities for improvement. Reduce scrap, cycle time and process variation. Apply Lean principles and structured problem-solving methodologies. Support sustainable operational improvements. Equipment & Technical Ownership Participate in equipment selection and implementation. Support FAT and SAT activities. Manage engineering changes and technical improvements. Collaborate with Maintenance to ensure equipment reliability. Key Interfaces You will work closely with: Production & Operations R&D Quality & Planning Maintenance & Facility External suppliers and partners Who You Are You combine strong engineering skills with a hands-on mindset and a passion for building efficient production systems. You enjoy solving technical challenges, improving processes and working across functions to drive results. QualificationsRequired Degree in Mechanical, Industrial, Manufacturing or Production Engineering. Experience in Production Engineering, Manufacturing Engineering or Industrialisation. Experience supporting new product introductions and process development. Strong understanding of manufacturing processes and production environments. Experience with process validation, documentation and continuous improvement. Fluent English, written and spoken. Meritorious Experience from semiconductor, electronics, advanced materials, battery or other high-tech manufacturing industries. Experience with MES, automation and data-driven manufacturing. Knowledge of FAT, SAT and engineering change management. Experience from scale-up or fast-growing manufacturing environments. Swedish and/or Mandarin language skills. Why Join Smart High Tech? This is a role for someone who wants to build, not maintain. You will help transform world-leading technology into industrial-scale production while working alongside leading scientists, engineers and industry experts. Your work will directly influence how future AI infrastructure and advanced electronics are manufactured. What Success Looks Like Within 12 months, you have: Successfully industrialised new products. Established scalable and robust manufacturing processes. Improved yield, throughput and process capability. Contributed to the next phase of Smart High Tech's industrial growth.