
cosine · Sassenheim, The Netherlands
YOUR (SPACE) MISSION As a Scientist or Mechanical Engineer at cosine, you will contribute to cutting-edge technologies that enable space exploration, Earth obs...
As a Scientist or Mechanical Engineer at cosine, you will contribute to cutting-edge technologies that enable space exploration,
Earth observation, and advanced scientific research. Whether your expertise lies in physics, mechanics, electronics, optics,
thermal engineering, or systems development, you will work alongside multidisciplinary teams to solve complex technical challenges
and transform innovative ideas into real-world instruments and systems.
At cosine, we combine scientific excellence with hands-on engineering. Our teams develop high-performance technologies for
international space missions, scientific facilities, and industrial applications. Depending on your background and interests, you
will be working on projects that range from concept development and modelling to testing, integration, and validation.
We are always interested in meeting talented MSc and PhD graduates who are eager to push technological boundaries and make a
tangible impact on the future of science and space exploration.
Develop and analyse thermal and mechanical solutions for high-performance instruments operating in challenging environments.
You will contribute to the design, modelling, testing, and qualification of systems that must perform reliably in space and
other demanding applications.
Design, develop, and validate electronic subsystems that form the backbone of advanced space instrumentation. Your work may
involve embedded electronics, avionics architectures, hardware verification, and system integration, contributing directly to
mission-critical technologies.
Support the development of next-generation X-ray optics based on Silicon Pore Optics technology. You will design and execute
experiments, analyse measurement data, work with precision assembly processes, and contribute to technologies that enable
future space telescopes and advanced scientific instrumentation.
Translate complex technical requirements into innovative mechanical designs and practical engineering solutions. You will work
across the full development cycle, from concept generation and detailed design to manufacturing support, testing, and
customer-facing project activities.
We are looking for candidates with the following qualifications:
related technical discipline
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.
YOUR MISSION We are scientists, doctors, techies and humanity lovers, with the mission of building neuroelectronic interfaces to cure brain disorders. INBRAIN harnesses the extraordinary material properties of Graphene, the world’s thinnest and nobel-prize winning material, to build safe, uninvasive and highly efficient neural solutions. Our mission is to decode and modulate neural networks to improve people's lives. As a Sr. Mechanical Engineer at INBRAIN you will lead the mechanical design and the development of an implantable component within the product while overseeing the different stages of the development. Currently, we are looking for 2 Senior Mechanical Engineers that would be focusing on development and design of active implantable medical devices (Class 3) or similar in complexity. You will be at the forefront of bringing advanced healthcare solutions to market, making a tangible difference in people´s lives worldwide. YOUR PROFILE Main responsibilities: * Lead the design, assembly, prototyping and of the mechanical components that are part of an implantable system in direct collaboration with the electronics, systems, quality and regulatory teams. * Design for reliability, manufacture and test, including concept engineering, functional analysis, FEM analysis, and mechanical modelling. * Deliver detailed documentation of the device design (BOM, drawings, Specifications, test plan,…) compliant with ISO 13485 and ISO14971 design control requirements. * Support and collaborate with external partners in the outsourced design, assembly and test of mechanical components that are part of an implantable electro-mechanical system. * Define test plans and methods to verify safety and mechanical performance of the device, in compliance with applicable standards and in collaboration with other teams. * Design and build and perform, experimental and product system setups necessary to perform bench tests, characterization testing, integration, system testing. * Create test plans to verify our mechanical designs from the product requirements. * Initiate and contribute to design, technical and milestone reviews. * Understand DFR/DFM/DFT (Design for Reliability, Design for Manufacturing and Design for Test), including concept engineering, modelling, analysis, sensitivity, and stress analysis. * Work intensively with Quality, Regulatory, Clinical and Project Management on the formal product development procedure, perform or collaborate in design and stage reviews. Mandatory Qualifications and Soft skills: * BSc or MSc in Mechanical Engineering with at least 5 years of work experience within MedTech industry with proven experience executing a full development cycle. * Experience in developing multidisciplinary medical devices. * Minimum of 2 years of leading a technical mechanical engineering aspect of a project. * Strong practical engineering background in mechanical engineering for commercial production. * Familiar with electrical engineering, DFM, DFR and design methodologies and tools (e.g., Solidworks, PDM, etc.) * Familiar with manufacturing processes such as design for assembly, design for test, pFMEA, etc. * Ability to manage projects mandated to external sub-contractors and manufacturing. * Fluency in English required (English is company language). * Fast learner, self-motivated and pro-active individual able to work in the fast-moving environment of a dynamic start-up company. * A system-thinking attitude identify areas of potential improvement and develop plans to address these; Team oriented, a sparring partner to colleagues in other disciplines. Nice to have: * Preferred to have solid experience in neuroscience with a strong interest in gaining a further understanding of this field. * Strong hands-on skills, experience with machine shop tools. * Extensive experience with active implantable medical device development * Preferred to have experience in applying quality control for medical devices (ISO13485) or in a similar working environment in a tightly regulated industry (e.g., medical devices). * Preferred to have a solid understanding of Medical Risk Analysis. * Preferred to have detailed understanding of active implantable medical device development and application of its relevant standards WHY US? We are looking for someone who Is ready to proactively bring new ideas to the team, push boundaries, and constantly look for innovation. At INBRAIN we believe in shared success and diverse ways of thinking, here you'll learn, grow, and advance in an innovative culture. WHAT CAN WE OFFER TO YOU? * A collaborative environment where innovative ideas flourish and teamwork drives us forward. At INBRAIN, we believe the power of collective intelligence is unique. You will be part of a team that thrives on open communication, knowledge sharing and mutual respect. * Meaningful Work Impact: Our projects are not only exciting and challenging but also have a positive impact on the industry and society as a whole. You'll be part of a team that strives to create meaningful change. * Cutting-Edge Technology Exposure: Joining us means immersing yourself in the latest technologies and innovative solutions. You'll have access to state-of-the-art tools and resources, fostering continuous learning and keeping your skills relevant in a rapidly evolving industry. * Competitive salary (according to your experience/skills) * Internal flexible compensation scheme * Private Health Insurance * Training bonus for professional development and access to Udemy platform * 23 vacation days per year * Christmas week off * Hybrid working modality Applications must be submitted in English At INBRAIN, we're not just offering a job – we're inviting you to be part of a transformative journey, Are you ready to transform lives? Join us! #diverseandinclusive We believe that a diverse and well-balanced workforce drives innovation. At INBRAIN, we foster the inclusion of all people regardless of culture, age, gender, sexual orientation, identity and diverse abilities or any other status.
ABOUT US PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries. By enabling high-fidelity, multi-physics simulation through AI inference across the entire engineering lifecycle, PhysicsX unlocks new levels of optimization and automation in design, manufacturing, and operations — empowering engineers to push the boundaries of possibility. Our customers include leading innovators in Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive. WHO WE’RE LOOKING FOR As a Senior FEA Engineer (Delivery), you are a problem solver and a builder, who is passionate about creating practical solutions that enable customers to make better engineering decisions. You are someone who can grasp and apply advanced engineering concepts across multiple industries, and you excel at working directly with customers (often directly on-site) to build CAE models that are integrated into AI-tools that are both useful and used. We're building our Singapore presence from the ground up. This is a rare opportunity to join at the founding stage of a regional team, with the autonomy to help define what this team becomes. You bring deep expertise in structural mechanics, materials science, and multi-physics modelling, with a solid ability to apply fundamental knowledge to real-world phenomena across a wide range of engineering applications. Highly proficient in at least one of NASTRAN, ABAQUS or ANSYS Mechanical, adept at automating these tools to create scalable optimisation workflows that drive impactful results. Experience with open source FEA packages such as CalculiX or FEniCS would be highly advantageous. Proficiency in parametric CAD modelling (NX or CATIA) and coding in Python, (or the ability to quickly learn programming languages), is an advantage. Experience with explicit dynamics (LS-DYNA, Abaqus/Explicit) such as crash simulation is highly valued. Background in coupled simulations such as thermo-mechanical analysis and fluid-structure interaction modelling also is highly desirable. With 3-5 years of industry experience (post Masters or PhD) in a commercial, non-research environment, you’re ready to hit the ground running. You’re confident setting up FEA simulations independently, interpreting complex results with depth, and making informed decisions based on solid engineering judgement. THIS ROLE In this role, you’ll work closely with our Data Scientists, Machine Learning Engineers, and customers to understand and define the engineering challenges we are solving. You’ll play a crucial role in delivering high-fidelity simulations by: * Independently building complex structural and multi-physics models from geometry clean-up and meshing, to simulating and post-processing complex real-world phenomena, integrating experimental data for model validation. * Building robust parametric CAD models (NX or CATIA) coupled with simulation pipeline automation through scripting, for executing advanced design optimization and DoE studies. * Partner with customers to address their most complex engineering challenges through advanced FEA & AI solutions; communicate results clearly, recommend actionable next steps, and balance accuracy with efficiency under tight deadlines. * Working at the intersection of CAE and Data Science to generate high-quality simulation datasets for training Machine/Deep Learning models. Leveraging data sampling techniques to efficiently capture the design space, reduce computational cost, and enhance model accuracy. * Accelerate high-fidelity modelling by using Flux (our cloud platform) and on-premise HPC resources, going beyond smart meshing and model setup to achieve real performance gains. * Continuously improving engineering best practices, adapting FEA model setups and outputs to support the development of Deep Learning surrogates. * Documenting workflows and results comprehensively via technical reports and process documentation that enable knowledge transfer and support reproducible engineering methodologies * Combining project leadership with a strong commitment to mentoring junior colleagues, contributing to a culture of collaboration, growth, and shared success. * Traveling globally (North America, Europe, Asia, Oceania) up to 2–3 weeks per quarter to work side-by-side with customers in building solutions on-site. As the role evolves, there are exciting opportunities for growth as an Individual Contributor (IC) or a Team Lead (TL), especially if you’re driven to take ownership of more complex projects and lead the direction of future solutions. Our delivery teams drive innovation to turn AI models into practical solutions - read our blog to learn more about how you’ll contribute to this exciting journey! We value diversity and are committed to equal employment opportunity regardless of sex, race, religion, ethnicity, nationality, disability, age, sexual orientation or gender identity. We strongly encourage individuals from groups traditionally underrepresented in tech to apply. To help make a change, we sponsor bright women from disadvantaged backgrounds through their university degrees in science and mathematics. We collect diversity and inclusion data solely for the purpose of monitoring the effectiveness of our equal opportunities policies and ensuring compliance with UK employment and equality legislation. This information is confidential, used only in aggregate form, and will not influence the outcome of your application.
ABOUT US PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries. By enabling high-fidelity, multi-physics simulation through AI inference across the entire engineering lifecycle, PhysicsX unlocks new levels of optimization and automation in design, manufacturing, and operations — empowering engineers to push the boundaries of possibility. Our customers include leading innovators in Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive. NOTE: WE ARE CURRENTLY RECRUITING FOR MULTIPLE POSITIONS, HOWEVER PLEASE ONLY APPLY FOR THE ROLE THAT BEST ALIGNS WITH YOUR SKILLSET AND CAREER GOALS. WHO WE'RE LOOKING FOR As an Simulation Engineer - FEA, you will build hands-on experience applying finite element analysis to real-world engineering challenges across multiple industries including aerospace and defense. You are someone who can grasp and apply advanced engineering concepts across multiple industries, and you excel at working directly with customers (often directly on-site) to build CAE models that are integrated into AI-tools that are both useful and used. You bring expertise in structural mechanics, and materials science with a solid ability to apply fundamental knowledge to real-world phenomena across a wide range of engineering applications. Highly proficient in at least one of NASTRAN, ABAQUS or ANSYS Mechanical, adept at automating these tools to create scalable optimisation workflows that drive impactful results. Exposure to open-source FEA tools (CalculiX, FEniCS), or explicit dynamics (LS-DYNA, Abaqus/Explicit) is a plus. Proficiency in parametric CAD modelling (NX or CATIA) and coding in Python, (or the ability to quickly learn programming languages), is an advantage. With 1-2 years of industry experience (post Masters or PhD) in a commercial, non-research environment, you’re ready to hit the ground running. You’re confident setting up FEA simulations independently, interpreting complex results with depth, and making informed decisions based on solid engineering judgement. Familiarity with turbomachinery analysis, gas turbine, or aircraft structural sizing is a natural fit for this role. Experience with multidisciplinary optimization (MDO) is a bonus, though not essential at this level. In addition, background in composite materials analysis alongside some exposure to damage tolerance and fracture mechanics, would be a strong fit as well. Note: This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license. This Role In this role, you’ll work closely with our Data Scientists, Machine Learning Engineers, and customers to understand and define the engineering challenges we are solving. You’ll play a crucial role in delivering high-fidelity simulations by: * Assist in building complex structural and multi-physics models from geometry clean-up and meshing, to simulating and post-processing complex real-world phenomena, integrating experimental data for model validation. * Building robust parametric CAD models (NX or CATIA) coupled with simulation pipeline automation through scripting, for executing advanced design optimization and DoE studies. * Partner with customers to address their most complex engineering challenges through advanced FEA & AI solutions; communicate results clearly * Working at the intersection of CAE and Data Science to generate high-quality simulation datasets for training Machine/Deep Learning models. Leveraging data sampling techniques to efficiently capture the design space, reduce computational cost, and enhance model accuracy. * Accelerate high-fidelity modelling by using Flux (our cloud platform) and on-premise HPC resources, going beyond smart meshing and model setup to achieve real performance gains. * Document your work through clear technical reports and process notes, contributing to the team's shared knowledge base. * Traveling domestically and globally (North America, Europe, Asia, Oceania) up to 3-4 weeks per quarter to work side-by-side with customers in building solutions on-site. OUR DELIVERY TEAMS DRIVE INNOVATION TO TURN AI MODELS INTO PRACTICAL SOLUTIONS - READ OUR BLOG TO LEARN MORE ABOUT HOW YOU’LL CONTRIBUTE TO THIS EXCITING JOURNEY! WHAT WE OFFER Build what actually matters Help shape an AI-native engineering company at a formative stage, tackling problems that genuinely matter for industry and society. This is work with real-world impact - and something you can be proud to stand behind. Learn alongside exceptional people Work with a high-caliber, collaborative team of engineers, scientists, and operators who care deeply about doing great work, and about helping each other get better. We come from diverse backgrounds, but we share a commitment to operating at the highest level and addressing some of the most complex challenges out there. If you’re ambitious, thoughtful, and driven by impact, you’ll feel at home. Influence over hierarchy We operate with a flat structure: good ideas win - wherever they come from. Questioning assumptions and challenging the status quo isn’t just welcomed, it’s expected. Sustainable pace, long-term ambition Building meaningful technology is a marathon, not a sprint. We believe in balancing focused, ambitious work with a life beyond it. Our hybrid model blends time together in our New York office with work-from-home days, giving you the flexibility to work sustainably while staying connected in person. And it doesn’t stop there … 🚀 Equity options - share meaningfully in the company you’re helping to build. 💰 5% contribution to 401(k) - build long-term security with a strong retirement plan. 🍽️ Free team lunch 1x/week - good food, great company, and space to connect. 🏥 Private health insurance – comprehensive cover for you, offering total peace of mind. 👶 Enhanced parental leave – 3 months full pay paternity and 6 months full pay maternity leave, to provide extra flexibility during the moments that matter most. ☀️ 20 days of Annual Leave (+ Public Holidays) - because taking time to rest matters. 📈 Personal development – dedicated support for learning, development, and leveling up over time. 💪 Gympass / Wellhub (subsidized) – for you and up to 3 family members, supporting both physical and mental wellbeing. 💳 Flexible Spending Account (FSA) – set aside pre-tax dollars for eligible healthcare expenses. 🔎 Watch this space, we’re continuing to build this as we grow… Salary for this position is from $138,000 to $217,000 We value diversity and are committed to equal employment opportunity regardless of sex, race, religion, ethnicity, nationality, disability, age, sexual orientation or gender identity. We strongly encourage individuals from groups traditionally underrepresented in tech to apply. To help make a change, we sponsor bright women from disadvantaged backgrounds through their university degrees in science and mathematics. We collect diversity and inclusion data solely for the purpose of monitoring the effectiveness of our equal opportunities policies and ensuring compliance with UK employment and equality legislation. This information is confidential, used only in aggregate form, and will not influence the outcome of your application.