Mechanical Engineer

the team designs, builds, and operates the satellites, systems, and platforms that make our missions possible. It’s a highly collaborative environment where ideas become real hardware, software, and data solutions that deliver impact from space. Our Mechanical Engineering team plays a critical role in turning mission concepts into flight-ready hardware. Working across satellite platforms, subsystems, and ground support equipment,

the team combines rigorous mechanical design with hands-on assembly and testing. Collaborating closely with AIT, systems, electronics, and external partners, our mechanical engineers ensure every structure is precise, manufacturable, and ready for the demands of space — from cleanroom build to launch. What You’ll Be Doing Leading mechanical design activities across satellites, subsystems, and ground support equipment (GSE) Producing models, assemblies, and drawings using CAD tools Applying GD&T standards (ISO 1101, 2692 & 5458 or ASME Y14.5) to ensure precision and manufacturability Collaborating with suppliers, customers, and project teams to ensure successful outcomes Supporting satellite assembly and testing alongside our AIT (Assembly, Integration & Test) team Authoring technical documents producing high-quality documentation including test and analysis reports Working hands-on in our cleanrooms and labs as needed, with flexible remote working when possible What You’ll Bring A solid background in mechanical design and manufacturing principles Proficiency in 3D CAD tools and confident file management Ability to provide hands-on involvement in cleanroom assembly and testing environments Strong communication skills – written, verbal, and within multi-disciplinary teams Ability to take ownership of tasks and collaborate effectively to deliver results A quality-first mindset and a willingness to adapt in a growing, dynamic company For this role you can be based in any of our locations. To apply, you must have the legal right to work in your chosen location. Please submit your application and CV in English. Why Open Cosmos? Work at the cutting edge of space technology with customers around the globe. A mission-driven company making space accessible to help solve real-world challenges. A diverse, ambitious, and supportive team. Division CTO Department MECHANICS Role Mechanical Engineer Locations Harwell, UK, Porto, Portugal, Barcelona, Spain, Athens, Greece Employment type Full-time About Open Cosmos Open Cosmos is dedicated to solving customer problems with insights from space. Whether this is monitoring agricultural yields, assessing the damage of oil spills or providing navigation solutions, we believe that data from satellites is the most effective and sustainable way of achieving this. Apply for this job CTO · MECHANICS · Multiple locations Mechanical Engineer Loading application form Career site Data & privacy Manage cookies Employee login Candidate Connect login Already working at Open Cosmos? Let’s recruit together and find your next colleague. Log in Applicant tracking system by Teamtailor

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