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System Engineer

Harmattan Ai - Lausanne, Switzerland - In-office - posted 2026-10-08

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Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following a $200M Series B valuation at $1.4 billion, the company is expanding teams to deliver mission-critical systems to allied forces. As a System Engineer, you will own the architecture, system definition, and implementation of one of the company's robotic systems from concept through field deployment. You will work closely with project managers and technical leads to translate mission needs into system-level designs, coordinate multidisciplinary engineering teams, and ensure overall system performance, robustness, and reliability. Key responsibilities include: - Transforming system requirements into architectural solutions - Leading cross-functional design coordination across mechanical, electrical, software, GNC (guidance, navigation, and control), and ML teams - Conducting feasibility studies, trade-off analyses, and system-level simulations to guide technical choices - Overseeing system integration, prototyping, and validation to ensure performance targets are achieved - Driving design and architecture reviews to maintain consistency between requirements, design, and testing - Implementing processes to enhance requirements traceability, system documentation, and validation workflows The role demands rigor, ownership, and execution in a demanding environment where technical excellence and real-world impact are core values. Requirements: - 5+ years of experience in system engineering within robotics, aerospace, or defense sectors - MSc in Engineering (any field); PhD is a plus - Proven experience leading full system lifecycles (concept → prototype → validation) - Strong background in system architecture, requirements engineering, and trade-off analysis - Broad engineering culture with understanding of mechanical, electrical, and embedded systems - Experience coordinating multi-disciplinary teams and managing technical interfaces - Rigorous, structured, and mission-driven mindset with strong analytical skills - Excellent communication and documentation abilities - Bonus: Experience with UAS (unmanned aerial systems) or defense systems

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