# System EngineerHarmattan Aivia ArbeitnowLausanneFull TimePosted 4 days agoUSAApply for this job Free · you will be taken to the employer's application page## Key detailsLocation: LausanneJob type: Full TimeSalary: Not disclosedPosted: 8 Oct 2026 (4 days ago)Region: USASource: ArbeitnowWork mode: On-site / as per employer## Job description### **About Us**Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.**About the Role**As a **System Engineer**, you will own the architecture, system definition and implementation of one of our robotic systems — from concept to field deployment. You will work hand-in-hand 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. **Responsibilities*** **System Architecture**: Transform system requirements into architectures solutions.* **Technical Coordination**: Lead cross-functional design across mechanical, electrical, software, GNC, and ML teams.* **Trade-Off & Design Analysis**: Conduct feasibility studies, trade-off analyses, and system-level simulations to guide technical choices.* **Integration & Validation**: Oversee system integration, prototyping, and validation, ensuring performance targets are achieved.* **System Reviews**: Drive design and architecture reviews, maintaining consistency between requirements, design, and testing.* **Continuous Improvement**: Implement processes to enhance requirements traceability, system documentation, and validation workflows.**Candidate 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 or defense systems.We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.