Thermal Vakuum Test Technician (m/f/d)

Mission Brief  Join the Avionics Department at Isar, within the Electrical Engineering Team responsible for high‑reliability hardware design of PCBAs and Avionics Units that are the backbone of our Spectrum Launch Vehicle. As an Avionics Engineer, you will provide direct contribution to our technology stack and take responsibility for critical Avionics units: driving them through their entire lifecycle from early concept to detailed design, qualification, and all the way to successful on-orbit operations in Space. The ideal candidate is someone with deep technical expertise in Electrical and Electronics engineering who thrives in a fast-moving environment. Preference will be given to those with the ability to make sound technical decisions, able to raise the bar for engineering quality, and the ability to provide technical mentorship to other Engineers along the way. Your Role in Our Space Mission:  * Take on ownership of at least one high-reliability Avionics Unit or PCBA * Own all interfaces of your product across its lifecycle, from design to manufacturing to verification and integration, including all technical and programmatic interfaces * Carry out the full Electrical design cycle for PCBAs including component selection, schematic capture, layout and design verification * Take on Unit level tasks for your products including requirement management, design, reliability analyses, qualification & acceptance testing, as well as troubleshooting analysis * Conduct design reviews for your products and participate in system level design reviews * Plan, execute, and evaluate verification, acceptance, and qualification tests at unit, subsystem, and vehicle level * Develop test procedures and automated scripts for verifying unit functional and electrical performance under harsh operating conditions, such as thermal, vacuum, and vibration * Capture interface requirements and design specifications for test equipment used in test campaigns of your products * Actively participate in Integrated Testing & Flight Data reviews * Collaborate on ad-hoc tasks related to Avionics PCBAs, Units and, Systems with your peers in the Avionics department Qualification Checklist  * BSc/MSc in Electrical Engineering, Energy Science and Technology or comparable * 3+ years of working experience with complex PCBs and electronics * Extensive Experience with complex electronics and circuit theory for embedded, power electronics, analog interfaces, and logic * Experience in E-CAD tools (Schematic & Layout Design), preferably Altium Designer * Experience in simulation tools such as PSpice, LTspice, Altium Simulation, or Simulink * Experience in hands-on testing and verification of design functionality and performance * Experience with international or external product standards, regulations, or requirements, such as ISO/ANSI/AEC/MIL or similar * Experience with core product analyses and tools such as Failure Modes and Effects Analyses, Reliability (MTBF), Fault Tree, Ishikawa (Fish-Bone), or similar * Experience in Design for Test and Design for Manufacture concepts * Experience with Electrical Test and Measurement equipment * Hands-On mentality, can-do attitude * Fluent in spoken and written English Bonus Skills: * Previous product ownership * Working experience within a high-reliability industry, such as Aerospace, Medical, or Automotive * Experience in interacting with external certification or regulatory agencies for product compliance * Experience in programming languages such as Python or Matlab for task automation and data analysis * Experience in mechanical design tools such as Solidworks, NX, OnShape, or similar Benefits  * Employee Participation Program: Share in our success through our virtual company share program * 30 days of vacation: Enjoy the days off to relax and recharge * Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period * Subsidised lunch: Stay energised with delicious, subsidised lunches every day * Public transport ticket: Commute with ease using a fully financed Deutschlandticket * Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass) * Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period * Childcare allowance: Receive a childcare allowance for your non-school-age children * And Much More! Discover additional perks and benefits when you join our team         Who we are We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space. Our mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations. We are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation. We're making rockets in a way that hasn't been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career! Want to find out more about us? Visit www.isaraerospace.com   Data Protection We process your personal data for the purpose of managing the recruitment process and assessing your application. For detailed information on how your data is processed, including your rights, please refer to our Privacy Policy. Disclaimer Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply. We use Metaview to record interview audio so our team can review it later and stay focused during the conversation. We will record interviews only if you opt in. Please note that we will request your consent separately during the interview process. Participation is completely voluntary and will not affect your application in any way. For more information on how we process your personal data, please see our Privacy Policy.

Are you passionate about low-temperature physics, thermal engineering, and advanced hardware development? At SCALINQ, we're looking for a Cryogenic Engineer to help develop the next generation of cryogenic infrastructure for quantum computing. The role As a Cryogenic Engineer, you will play a key role in developing and optimizing cryogenic hardware solutions for quantum computing applications. Working closely with physicists, design engineers, and test engineers, you will take hardware concepts from simulation through experimental verification and implementation. Your work will directly influence product performance and contribute to shaping SCALINQ’s future technology roadmap. Your responsibilities will include: Developing and optimizing cryogenic hardware systems. Performing thermal simulations and modelling to predict system performance. Designing, supporting, and participating in experimental testing and validation activities. Responsible for Scalinq’s fleet of cryostats; calibration, monitoring, and maintenance. Analyzing measurement data and correlating results with simulation models. Identifying and troubleshooting thermal and cryogenic system challenges. Using simulation insights to guide hardware design decisions. Staying up to date with advancements in cryogenic technologies and modelling techniques. What we offer At SCALINQ, you'll join an ambitious and international team working at the forefront of quantum technology. This is an opportunity to work on complex engineering challenges that push the boundaries of what is technically possible, while contributing to technology that has the potential to transform entire industries. We offer an environment where curiosity, initiative, and technical excellence are valued. You'll have the freedom to influence both technology and ways of working, collaborate with highly skilled colleagues across disciplines, and continuously develop your expertise in a rapidly evolving field. Alongside competitive compensation and healthcare benefits, you'll be part of a company where your contributions have a direct impact on our products, our customers, and our future. You will work alongside experts in quantum technology, cryogenics, microwave engineering, and product development, contributing to technology that enables the future of quantum computing. Who you are You are a curious and hands-on engineer who enjoys solving complex technical challenges and turning theoretical models into real-world hardware solutions. You thrive in collaborative environments and enjoy working across disciplines to achieve ambitious goals. You are analytical, structured, and motivated by understanding how physical systems behave under demanding conditions. You communicate technical concepts clearly and enjoy sharing knowledge and collaborating with colleagues from different backgrounds. You take initiative, approach problems with a practical mindset, and are driven by finding effective solutions. Most importantly, you are excited by the opportunity to contribute to the future of quantum technology. About SCALINQ SCALINQ develops state-of-the-art cryogenic hardware that enables scalable quantum computing systems. Our products are designed to solve some of the most demanding challenges in quantum computing, helping researchers and industry leaders build more powerful and scalable quantum systems. At SCALINQ, we combine cutting-edge research with practical engineering to create commercially viable products. We believe our success comes from the diversity, expertise, and dedication of our people. Requirements Professional or academic experience in cryogenic systems, low-temperature physics, thermal engineering, or comparable hardware-focused environments. Experience with thermal simulation tools such as COMSOL Multiphysics, SolidWorks Thermal, ANSYS, or equivalent. Experience working with experimental verification, testing, or validation of physical systems. Python or MATLAB skills for data analysis and automation. M.Sc. degree in Physics, Mechanical Engineering, Materials Science, Electrical Engineering, or a related discipline, or equivalent industry experience. Particularly relevant backgrounds include cryogenics, thermal engineering, experimental physics, scientific instrumentation, aerospace thermal systems, superconducting technologies, and quantum hardware. Nice to have Hands-on experience with cryogenic refrigerators or low-temperature laboratory environments. Experience designing experiments and validating simulation models. Experience with CAD tools such as SolidWorks, Inventor, or similar. Familiarity with superconducting, RF, microwave, vacuum, or quantum hardware systems. Experience from quantum technology, aerospace, semiconductors, scientific instrumentation, or other advanced engineering environments. Ready to help shape the future of quantum computing? We look forward to your application. Application deadline: 15 August, 2026 Start date: By agreement Position: Full-time Location: Gothenburg Platsa is responsible for the recruitment for this position. If you are offered the role, you will be employed directly by our client. Any questions regarding the position may be directed to the responsible recruiter: Evelina Löfberg evelina.lofberg@platsa.se