Power Electronics Engineer

About the Position

Power Electronics Engineer

Leganés, Spain

Full-time

Permanent employee

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As a Power Electronics Engineer at IENAI SPACE, you will be instrumental in developing and optimizing high-voltage power electronics for the ATHENA Nano and Pico thrusters. Join our dedicated team as we work to refine this high-voltage converter into a robust, mature, and fully space-qualified device.

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Responsibilities

• Advanced design of switched-mode power supplies (SMPS): architecture definition, high-voltage design, and optimization of thermal and electromagnetic performance.
• Simulation and analysis: use of advanced tools to model and simulate power circuits, parasitic effects, and power integrity.
• Component selection: identify and select optimal components for performance, efficiency, and reliability.
• PCB design: design multilayer PCBs using Altium Designer, with attention to high-voltage clearances, parasitics, and planar transformer integration.
• Thermal and EMC design: perform thermal calculations, simulations, and electromagnetic compatibility (EMC) pre-compliance testing.
• Testing setup and lab work: design, plan, and execute complex in-house tests (thermal pre-qualification, EMC pre-compliance, etc.).
• Confident in EEE lab environments: circuit debugging, diagnostics, and use of lab instrumentation (oscilloscopes, power analyzers, etc.).
• Skilled in SMD soldering and hands-on prototyping.
• Documentation and reporting: produce detailed technical reports, schematics, test documentation, and progress updates.
• Collaboration: work closely with multidisciplinary teams to ensure integration with propulsion systems and mission requirements.

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Requirements

• At least 5 years of experience in developing power electronics.
• Master’s degree in Power Electronics Engineering or another degree with a strong focus on electronics development.
• Proven experience in designing switched-mode power supplies, high-voltage circuits, and thermal/EMC design.
• Full proficiency with Altium Designer.
• Hands-on experience in Electronics labs (debugging, testing, instrumentation).
• Proficiency in SMD soldering.
• Basic knowledge of C/C++, Matlab/Python, and Arduino.
• Spoken and written professional proficiency in English.
• Fast learner, hands-on, autonomous, team player, and proactive project contributor.

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Nice to Have

• Experience in environmental testing (thermal, vibration, radiation).
• Experience working in automotive or other high-reliability sectors.
• Experience performing FMECA analysis.

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We Offer

• A key role in a pioneering space startup, where you will directly impact the development of cutting-edge propulsion technology.
• A full-time contract of 40h per week.
• Flexible working hours, allowing you to manage your schedule for better work-life balance.
• Hybrid work model – work remotely up to 10 days per month.
• Extra holidays – in addition to 23 vacation days, enjoy 6 additional days off during the Christmas period (from 24 December to 2 January, both included).
• Private health insurance, fully covered by the company.
• Learning & Development – €1000 per year budget for training, courses, and professional growth.
• Autonomy and responsibility – your contributions will directly shape our technology and success.

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About the Company

IENAI SPACE is a fast-growing startup based in Madrid, developing an end-to-end ecosystem of in-space mobility products, including propulsion systems and engineering SaaS. We are an innovative company in the "New Space" sector, composed of a dynamic and multidisciplinary team of engineers, PhDs, and developers aiming to revolutionize space mobility and propulsion for small satellites. We recently kickstarted our commercial phase with our first product: 360™, a Mission and Space Mobility analysis SaaS.

Our mission is to build tailored, end-to-end space mobility products and services for the next generation of small satellites, empowering a sustainable new space economy.