
Rebaba AB · Lidingö
About the Role Rebaba builds circular battery systems from second-life EV batteries. Our solutions power buildings, industries, and charging infrastructure, com...
About the Role
Rebaba builds circular battery systems from second-life EV batteries. Our solutions power buildings, industries, and charging infrastructure, combining mechanical design, electronics, and software into one integrated product. We design and assemble everything in Sweden with a clear mission: making clean, affordable energy accessible.
We are now hiring a Mechanical Design & Product Development Engineer who wants to take mechanical concepts from sketch to real, field-ready products.
Responsibilities
Design mechanical parts, assemblies, and enclosures, both small modules and larger system components
Build and test prototypes, iterate quickly, and refine designs based on performance, safety, manufacturability, and cost
Take products from early concept to final, production-ready designs through structured, iterative development
Design for manufacturing, assembly, installation, and circularity across all mechanical components
Evaluate and optimise thermal performance, ventilation, airflow, insulation, and fire-related design considerations
Select materials based on sustainability, durability, circularity, and cost
Support certification and compliance work related to mechanical design, including enclosure standards and safety requirements
Work closely with electrical and software teams to ensure alignment with electronics, wiring, cooling, and control systems
Prepare manufacturing documentation including drawings, BOMs, tolerances, and assembly instructions
Collaborate with suppliers and participate in sourcing decisions
Requirements
Strong skills in mechanical CAD such as SolidWorks, Fusion, or similar
Experience designing enclosures, structural components, or industrial products
Understanding of manufacturing methods such as sheet metal, machining, plastics, composites, and welded structures
Experience with thermal design, airflow, ventilation, and fire-related considerations
Knowledge of material selection for performance, sustainability, and circularity
Familiarity with certification and compliance requirements for mechanical systems
Experience preparing drawings, tolerances, BOMs, and production documentation
Comfortable working with suppliers and contributing to sourcing decisions
Hands-on experience building and testing physical products
Strong understanding of mechanical design principles and system integration
Benefits
A central role in designing the physical hardware behind circular battery systems
Ownership from concept through prototyping, testing, and final product
A collaborative environment across mechanical, electrical, and software teams
A mission-driven company focused on sustainable energy solutions
Opportunity to work on products deployed in real-world applications with measurable impact
About Rebaba
Rebaba is at the forefront of sustainable energy storage solutions. We specialize in giving second life to electric vehicle batteries, transforming them into efficient energy storage systems. Our mission is to accelerate the transition to renewable energy while reducing waste and environmental impact.
The position Production processes at IRnova include test measurements and characterization of the products - large imaging arrays and integrated modules. Characterization processes employ a great deal of interdisciplinary knowledge and skills, such as technical physics, automation and electronic equipment, applied and system programming and mechanical design. Your mission will be owning the acceptance test procedure (ATP) which will include; · Coordinating the measurements on daily and hourly basis dependent on the current needs and availabilities including all logistics · Establishing and enforcing quality procedures for the ATP processes and equipment, incuding necessary documentation, tests and calibrations · Providing support to the production team for the ATP measurements including the methodology, hardware, software, logistics · Performing the ATP measurements when necessary · Owning and performing certain process steps · Participating, together with other Optronics and Development engineers, in the development of the characterization methods and infrastructure The position implies a substantial amount of practical work in the lab. You will work in close contact with engineers from the Optronics team, the production team, R&D team. Competence ProfileRequired · Master degree in technical physics, electrical/electronics engineering, automation, or similar · Practical skills in measurement techniques, hands-on experience strongly desired · High level in both technical and communication English (written and spoken) Valued · Practical skills in applied and low-level instrument programming (e.g. Matlab, Java, C/C++, Python) · Knowledge about mixed signal electronics, for camera systems in particular · Knowledge about mechanical design · Swedish and major European languages Personal characteristics · Highly organized and proactive · Enjoy working together in a team to jointly achieve the best result · Independent and goal oriented · Good problem solver with analytical skills · Positive towards learning new things and developing the competence in different areas · Ability to work with many different cultures Your future employer IRnova is part of a handful of companies in the world capable of producing cooled infrared detectors. These devices, relying on the fascinating principles of quantum physics, serve both the defence and industrial markets, with applications ranging from tank sights and anti-air systems to search and rescue and optical gas imaging. An increasingly important market is space, where IRnova’s world-leading T2SL technology can be used in the extended shortwave region for Earth observation from satellites. Your Application: Does this sound like something for you? We look forward to receiving your application as soon as possible – the final application deadline is May 31, 2026, but we review applications and conduct interviews on an ongoing basis, and the positions may be filled before then. In this recruitment process, IRnova is collaborating with Thalamus. The responsible recruiter is Camilla Molander at 070 307 12 50, camilla.molander@thalamus.se Please submit your application no later than Aug 31, 2026. Selection and interviews are conducted continuously. We look forward to getting to know you! We hope to see you in the interview room soon!
Are you a highly driven development engineer looking to join a core product development team working on new technology and product platforms? Ascilion is now recruiting a CAD Development Engineer to the company. The position is full-time and based in our headquartered office in Kista and we are looking for a new colleague to join the Engineering group at Ascilion. At Ascilion we are singularly focused on solving one of medicine’s big challenges: providing real-time access to molecular biomarkers. Ascilion’s proprietary and industry leading microneedle technology enables quick, reliable, and painless access to molecular biomarkers. Our dermal interstitial fluid (dISF) sampling platform can be tailored towards virtually any analytical or sensor technology used within products intended for spot measurement or wearables. In this role, you will be deeply involved from concept to tested product, with responsibility for CAD design, prototyping, and hands-on verification in the lab. You will work closely with members within team but also cross-functionally with dedicated and highly skilled colleagues across multiple disciplines. This is an excellent opportunity for you to join a competent and friendly development team and a growing company with an exciting journey ahead. If this sounds interesting to you, please contact us using the details below! We will interview candidates continuously for the position and welcome your application today. Responsibilities The CAD Development Engineer will be a core member of the new product development team at Ascilion. You will report directly to the CTO of the company. Your main responsibilities will include: Responsibility for CAD design of mechanical and integrated product systems Driving design from concept through prototyping and manufacturing Participating actively in testing, evaluation, and iterative product development Working closely with experts across multiple disciplines including mechanics, electrochemistry, electronics, MEMS, regulatory & quality, manufacturing, and system development Your Profile Key qualifications for the position include: MSc in Mechanical Engineering or similar Expert-level SolidWorks capability, should effectively be able to teach it Strong experience designing for manufacturing, especially injection molded parts Strong understanding of tolerances, manufacturability, and rapid iteration Experience with semiconductor manufacturing and MEMS structures is a strong plus Experience with analog electronics design is a strong plus PCB layout experience is a strong plus We are looking for creative and analytical and structured CAD-professional who enjoys working in a highly dynamic and development environment. As a person, you are curious, problem-solving and solution-oriented, with a strong sense of ownership and accountability. You have strong execution focus as well as strong communication and collaboration skills. You enjoy testing what has been designed and believe that great products are created when top experts from different disciplines work closely together. At Ascilion, you will have the opportunity to make an impact not only in your own area of responsibility, but also on the development of the company as a whole. About Ascilion Ascilion was founded in 2012 with a mission to solve the problem of sampling dermal interstitial fluid in an efficient and pain-free way. A team of engineers with deep experience in MEMS technology and microfluidics took on the challenge of solving what turned out to be a very complex problem. We exist to bridge the worlds of precision engineering and biomarker science, creating innovative microneedle technologies that make dISF accessible, reliable, and painless; empowering researchers, clinicians, and companies to unlock the full potential of health monitoring and diagnostics. We are currently in a very exciting expansion phase where we grow all aspects of the organization from R&D to sales. Our customer base is increasing with numerous close collaborations in Europe, the US and Asia. Come, join our journey! To learn more about us please visit, www.ascilion.com For more information about this position, please contact: Krishan Johansson Haque, PhD Sr Recruitment Consultant, QRIOS Life Science & Engineering T: 0720701653 E: krishan.johansson-haque@qrios.se
Please note: Due to the summer holiday period, we will begin reviewing applications in early September. We look forward to receiving your application! As an Mechanical, Thermal & Propulsion (MTP) Systems Engineer, you will play a key role in shaping the next generation of spacecraft propulsion systems at OHB Sweden. Our customers include major space companies, agencies, and commercial operators across Europe and worldwide. OHB Sweden develops propulsion systems for a wide range of scientific, commercial, and Earth-observation missions. Our propulsion solutions enable orbit raising, station keeping, attitude control, collision avoidance, and end-of-life disposal for spacecraft operating in increasingly demanding mission environments. The Propulsion Department is responsible for the complete lifecycle of OHB Sweden's propulsion products, including system design, analysis, testing, qualification, production support, and future technology development. The department plays a central role in enabling mission success and is a key contributor to OHB Sweden's long-term competitiveness in the rapidly evolving space industry. As our propulsion business continues to grow, we are strengthening our engineering organization with a new multidisciplinary technical leadership role. About the Role As an MTP Systems Engineer, you will be the technical owner of complete propulsion subsystems from concept through qualification and production. The role combines systems engineering with deep technical understanding of spacecraft propulsion, thermal control, and mechanical engineering. You will coordinate multidisciplinary development activities and ensure that all engineering disciplines work together to deliver an optimized subsystem. You will lead the technical development of propulsion subsystems while coordinating a team of specialists within propulsion, thermal engineering, mechanical design, and structural analysis. Although these specialists provide the detailed engineering within their respective disciplines, you will be responsible for the overall technical solution and ensuring that all subsystem requirements are met. You will work closely with customers, suppliers, project managers, and internal engineering teams throughout the complete product lifecycle. As an MTP Engineer, you will be responsible for: Technical ownership of spacecraft propulsion subsystems throughout the full development lifecycle. Defining technical solutions together with multidisciplinary engineering teams. Coordinating activities across propulsion, mechanical, thermal, and structural engineering disciplines. Leading technical trade studies and engineering decisions. Ensuring subsystem performance, interfaces, requirements compliance, and technical consistency. Driving system budgets including mass, pressure, thermal, structural, and performance. Coordinating subsystem verification, qualification, and acceptance activities. Supporting customer meetings, technical reviews, and proposal activities. Working closely with project managers to balance technical performance, schedule, cost, and risk. Mentoring engineers and providing technical guidance within the multidisciplinary team. What We're Looking For Master's degree in Aerospace Engineering, Mechanical Engineering, Physics, or a related engineering discipline. At least 7 years of experience developing spacecraft or in-orbit propulsion systems. Solid understanding of spacecraft mechanical design principles. Strong understanding of spacecraft thermal control systems and thermal engineering. Good understanding of spacecraft propulsion systems, including monopropellant hydrazine and bipropellant propulsion. Experience working in multidisciplinary engineering teams. Experience coordinating complex technical developments across several engineering disciplines. Strong systems thinking and excellent problem-solving skills. Excellent communication and stakeholder management skills. Fluency in English. It is considered an advantage if you also have Experience with electric propulsion systems. Experience with propulsion system integration and verification. Experience working with ESA or other institutional space programs. Experience with spacecraft system engineering. Experience supporting customer technical reviews and proposal work. What We Offer A unique opportunity to shape the future of OHB Sweden's propulsion systems. A technically challenging role with significant influence on subsystem architecture and engineering decisions. Involvement across the complete lifecycle of spacecraft propulsion systems. Collaboration with highly skilled specialists across multiple engineering disciplines. A supportive and innovative engineering environment with excellent opportunities for professional development. The MTP Engineer reports to the Head of Propulsion and will work as the technical lead for multidisciplinary propulsion subsystem development. Some travel may be required (typically 2–4 trips annually, primarily within Europe). Join us and help develop the next generation of spacecraft propulsion systems.