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 Executive Assistant at Harmattan AI, you will serve as a trusted right-hand partner to our founders, ensuring seamless coordination across his priorities, stakeholders, and strategic initiatives. You will be embedded at the heart of a founder-led environment operating at the intersection of advanced technology and national security — where the pace is relentless, discretion is paramount, and your impact is direct.
The C-Suite operates across multiple time zones, engaging daily with government officials, investors, and senior defense stakeholders. This role demands a resilient, solutions-oriented individual who can anticipate needs, act with precision, and communicate with confidence at the highest levels.
Responsibilities
Executive Support
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Provide senior-level, strategic EA support across all business and personal priorities
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Manage a highly complex and evolving international calendar with strong prioritisation and proactive anticipation
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Act as a professional gatekeeper and communication filter, managing inbound requests with sound judgment
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Prepare briefing materials and ensure preparedness for all engagements
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Track actions and ensure consistent follow-through across key initiatives
Stakeholder & Communications Management
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Coordinate interactions with senior stakeholders, including government, investors, and strategic partners
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Draft and manage high-quality communications in both Swiss German and English
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Build and maintain strong relationships across internal and external networks
Operations & Logistics
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Manage complex international travel planning and logistics
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Act as a central point of coordination across business and leadership activities
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Support ad hoc projects linked to strategic and operational priorities
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Maintain organisation, structure, and efficiency within a fast-moving environment
Candidate Requirements
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At least 5–10 years of proven experience supporting in a high-performance environment (private equity, private office, or equivalent)
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Fully bilingual in Swiss German and English, with exceptional written and verbal communication skills
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Strong track record of operating in fast-paced, international, high-pressure settings
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Outstanding technical capability and confidence using modern productivity tools, including AI
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Demonstrable ability to manage complexity with precision and sound judgment
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High levels of discretion, professionalism, and emotional intelligence
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Highly organised, detail-oriented, and naturally proactive
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Calm, solutions-driven mindset with the ability to anticipate needs before they arise
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Excellent, verifiable references
We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.