Test Technician (Propulsion & Vacuum Systems)

Kreios Space

YOUR MISSION You will be the technical owner of our satellite platform- the person who turns mission needs into a buildable, testable and reliable system, and who is not afraid to go hands-on when reality hits hardware. * Own the platform technical direction: define and drive the system architecture, requirements, interfaces and budgets to ensure a coherent end-to-end platform. * Make the right engineering calls: lead trade-offs across mass, power, thermal, data, RF and reliability to converge on a design the team can actually deliver. * Bring systems to the lab: define the verification approach and actively support AIT and test campaigns (planning, procedures, acceptance criteria, reports). * Be the “go-to” technical problem solver: troubleshoot anomalies, unblock the team, and push issues to closure with pragmatic engineering judgement. * Connect specialists into one system: align subsystem/domain experts across departments, ensuring interfaces, assumptions and decisions are consistent and documented. * Enable execution with structure: work with a Project Manager who supports planning and delivery tracking, so you can focus on technical leadership and hands-on execution. * On-site role: work from our facilities in Porto do Molle (Nigrán, Spain), close to the hardware, the lab and the engineering team. YOUR PROFILE * Engineering degree in Aerospace / Industrial / Telecommunications / Electronics (or similar). * 7+ years in space systems engineering, with participation in flight projects. * Proven hands-on experience in system/subsystem integration and verification (AIT). * Strong background in: * Requirements engineering & traceability * System architecture & interface management (ICDs) * V&V / test logic (procedures, reports, anomaly tracking) * Risk & reliability methods  and engineering margins * Space standards (ECSS or equivalent) * Comfortable working across structures, avionics, ADCS, thermal, propulsion, SW/FDIR and operations. * Mindset/skills: technical leadership, autonomy, clear communication, prioritization, ability to move from high-level architecture to detailed problem solving. Nice to have * MBSE / SysML and architecture tools. * Exposure to EGSE/MGSE, TVAC/vibration, EMC/EMI campaigns. * Experience with avionics/electrical interfaces, harnessing, C&DH, or on-board SW verification. * Strong configuration/documentation discipline (baselines, change control, review packages). WHY US? At Kreios Space, we’re not just building technology- we’re redefining propulsion in orbit. This is a place for people who want to push boundaries, challenge conventions, and work on problems that have never been solved before. We operate at the intersection of cutting-edge physics, aerospace engineering, and real-world impact- where your work doesn’t stay on paper, it flies. What makes us different: Real impact, real ownership: You won’t be a small cog in a large machine. Here, you’ll take full ownership of critical systems and see your work move from concept to space. Decisions are fast, responsibility is real, and your contribution is visible. Deep-tech challenges at the frontier: We’re tackling problems that only a handful of teams in the world are attempting. This means high intellectual rigor, constant learning, and the opportunity to work alongside exceptional engineers and scientists. Top-tier talent, low ego culture: We’re building a team of ambitious, high-performing people who care deeply about what they do- but who also value collaboration, humility, and clarity of thinking. A company on a mission, not just a roadmap: Kreios is not optimizing an existing solution- we are creating a new category in space propulsion. Joining now means shaping the technology, the culture, and the future of the company. Growth that matches your ambition: As we scale, so will your scope. This is the right place if you want your career trajectory to be as bold as the problems you’re solving.

Kreios Space

YOUR MISSION As an RF Power Systems Engineer, you will contribute to the development of Kreios Space's electric propulsion systems for Very Low Earth Orbit (VLEO). Your mission will be to support the development, integration, and validation of the RF power system that enables plasma generation and sustainment in our air-breathing electric propulsion technology. You will work on the architecture and performance of RF generators, matching networks, RF power delivery chains and their interaction with plasma loads. You will also serve as the primary technical interface with external suppliers responsible for the development of the Power Processing Unit (PPU), ensuring alignment with system requirements and supporting integration, testing and verification activities. You will work closely with propulsion, plasma physics, avionics and systems engineering teams in a highly hands-on environment, helping transform cutting-edge plasma propulsion concepts into robust flight hardware. YOUR PROFILE Specific Knowledge * Strong understanding of RF engineering fundamentals, including power transmission, impedance matching and RF system characterization * Experience with RF power generation and delivery systems * Knowledge of matching networks and RF coupling techniques for complex or dynamic loads * Experience working with RF generators, amplifiers and high-power RF hardware * Experience with High Voltage systems and associated safety requirements * Experience with MOSFET-based switching circuits * Ability to review electrical schematics, technical documentation and supplier designs * Experience defining and executing test campaigns and analyzing experimental data * Basic programming or scripting skills (Python, MATLAB or similar) Nice to Have * Understanding of plasma-RF interactions or willingness to develop expertise in this area * Electric propulsion systems * Plasma sources or plasma processing equipment * RF plasma generation systems * Space hardware development * EMC/EMI engineering * ECSS standards * Supplier management and technical coordination * Reliability, FMEA and failure investigations Interpersonal Skills * Strong systems-thinking mindset and ability to understand interactions across complex subsystems * Proactive and hands-on approach to solving technical challenges * Methodical and detail-oriented, particularly when working with high-voltage equipment * Comfortable collaborating within multidisciplinary engineering teams * Strong communication skills, capable of challenging suppliers constructively and driving technical discussions * Adaptable and resilient in a fast-moving startup environment * Positive attitude, constructive sense of humor and ability to contribute to a healthy and enjoyable work environment WHY US? * Work on real space hardware that will fly in orbit, not just simulations or papers * Be part of a fast-growing European space startup shaping the future of sustainable space operations * Take ownership of a critical subsystem at the heart of our propulsion technology * Help build Kreios Space's internal expertise in high-voltage power electronics and electric propulsion * Join a highly collaborative, respectful and supportive team where knowledge is shared openly * Enjoy a great work environment that values trust, autonomy, learning and good energy at work * Strong technical growth path in a scaling company, where your work has visible impact and you actively help shape both the technology and the way we work

Kreios Space

YOUR MISSION As an Electronic Hardware Engineer, you will play a key role in designing and delivering robust electronic systems for space applications. You will be part of a multidisciplinary team and involved throughout the full development lifecycle, from early design concepts to production support, ensuring high reliability and performance in demanding environments. In this role, you will: * Design, test, and validate multilayer PCBs for both high- and low-power systems using tools such as Altium, KiCad, or OrCAD * Develop and analyse power electronics, including DC/DC converters, DC/AC regulators, protection systems, and thermal management strategies * Design signal and low-power circuits for sensors, data acquisition, and embedded communication interfaces * Build, assemble, and debug electronic prototypes, performing detailed characterisation and validation * Prepare and maintain high-quality technical documentation, including schematics, test procedures, and verification reports * Support industrialisation and production phases, ensuring smooth transition to manufacturing * Collaborate cross-functionally with mechanical, software, and systems engineers to guarantee performance and reliability in space conditions YOUR PROFILE We are looking for a structured and detail-oriented engineer with a strong technical foundation and a passion for solving complex challenges. You bring: * A degree in Telecommunications Engineering, Electronics, or a related field (Master’s degree is a plus) * At least 2 years of experience in PCB design and electronic hardware development * Proven expertise in multilayer PCB design and EDA tools (Altium, KiCad, OrCAD) * Solid knowledge of power electronics, including conversion topologies, component sizing, and thermal management * Experience with low-power and signal electronics (e.g. amplifiers, ADCs/DACs, SPI, UART, CAN interfaces) * Understanding of high- and low-power coexistence challenges (EMC, noise, plane separation) * Experience integrating microcontrollers (STM32, ARM Cortex, or similar) * Hands-on experience in prototype assembly, testing, and debugging * Strong ability to create and interpret technical documentation It’s a plus if you also have: * Experience working under aerospace standards (ECSS, MIL-STD) * Familiarity with space qualification testing (thermal vacuum, vibration, radiation, shock) * Knowledge of space communication buses (SpaceWire, CAN, RS-422, MIL-STD-1553) * Previous experience in space or defence projects You are: * Analytical and solution-oriented, with high technical accuracy * Well-organised and able to meet project milestones * A proactive team player with strong collaboration skills * Comfortable working in multidisciplinary and complex engineering environments * Clear and effective in communication and documentation WHY US? * Work on real space hardware that will fly in orbit, not just simulations or papers * Be part of a fast-growing European space startup shaping the future of sustainable space operations * Hands-on access to labs, test campaigns and cutting-edge technology from day one * Join a highly collaborative, respectful and supportive team where knowledge is shared openly * Enjoy a great work environment that values trust, autonomy, learning and good energy at work * Strong technical growth path in a scaling company, where your work has visible impact and you actively help shape both the technology and the way we work