AIV Engineer

Your (space) mission As the AIV (Assembly, Integration and Verification) Engineer at cosine you turn advanced optical instruments for Earth observation into high-quality systems that deliver reliable, accurate data from space and airborne platforms. You work at the heart of our Remote Sensing activities, where precision assembly, rigorous verification and system insight come together to enable measurement of our planet at an unparalleled level of detail. Your work directly contributes to instruments that support environmental monitoring, climate research and scientific discovery. Tasks & responsibilities In this role you will: Assemble, integrate and verify optical and optoelectronic remote sensing instruments in a laboratory or cleanroom environment Perform functional and performance testing at component and system level, with a focus on optical alignment, calibration and measurement accuracy Execute and support environmental and qualification testing to ensure reliability in operational conditions Identify, analyse and resolve technical issues during integration and testing, working closely with multidisciplinary engineering teams Maintain clear documentation of procedures, test results and verification status, contributing to project deliverables and reviews Your profile We are looking for candidates with the following qualifications: Bachelor degree in mechanics, aerospace, optics, optomechatronics, precision engineering, electronics or a related field Around 3 years of experience in assembly and integration of optoelectronic systems or similar high precision systems Hands-on experience working in a lab or cleanroom environment Strong attention to detail, with a focus on delivering high-quality hardware and documentation A proactive, result driven mindset and the ability to collaborate confidently and effectively in multidisciplinary teams Good verbal and written communication skills and a structured approach to documenting and sharing knowledge 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 27 days of annual leave (based on full-time employment) Annual bonus based on personal and company performance Hybrid working options, including the possibility to work partially from home 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.