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Electrical Engineer (Electronic Warfare)

Harmattan Ai - Paris, France - In-office - posted 2026-09-25

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Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. The company recently closed a $200M Series B at a $1.4B valuation and is expanding teams to deliver mission-critical systems to allied forces. As a Hardware (Electronics) Engineer within the Electronic Warfare team, you will design and develop RF hardware and electronic front-ends for electronic warfare and signal intelligence systems, from concept through field deployment. You will collaborate closely with system, software, and mechanical teams to translate architecture requirements into robust, high-performance hardware while ensuring overall performance, robustness, and reliability. Key responsibilities include: - Designing and developing radio and radar RF front-ends from specification through validation - Driving hardware architecture of EW/SIGINT systems with focus on performance, robustness, and manufacturability - Designing high-power switching supplies (including narrow pulse generation) and high-voltage PCBs, supplies, and shielding - Leading board bring-up, RF integration, prototyping, and validation against performance targets - Collaborating across software, mechanical, GNC, and ML teams on system integration and technical interfaces - Contributing to design and architecture reviews, maintaining consistency between requirements, design, and testing REQUIREMENTS: - Strong background in RF hardware design (mandatory), including radio or radar front-end design - Experience with high-voltage PCB/supply design and shielding - MSc in Electrical/Electronics Engineering (PhD is a plus) - Broad engineering culture with understanding of mechanical, software, and embedded systems - Rigorous, structured, and mission-driven mindset with strong analytical skills - Excellent communication and documentation abilities - RF integration experience is a plus - Experience with high-power switching supplies (narrow pulse generation) is a definite plus - No prior Electronic Warfare experience required

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