Harmattan AI

Materials Manager at Harmattan AI (Orly, France)

Harmattan AI· Orly, France·

Role details

Work type
Onsite
Employment
Full-Time

Harmattan AI at a glance

France's first defense-tech unicorn, building attritable AI-piloted strike, interception, and ISR drones for allied militaries.

Harmattan AI is a vertically integrated defense prime building autonomous drone systems for allied militaries. It designs the full stack, from airframes and payloads to embedded compute and the autonomy algorithms that let drones sense, decide, and act at the edge without GPS or a network link, coordinated across a swarm by its mission-orchestration layer.

$242M raised · latest: Series B · $200M · January 2026 · backed by Dassault Aviation, FirstMark Capital, Atlantic, Motier Ventures

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 the Materials Manager, you will design and execute a strategic roadmap to optimize our warehouse operations. You will be responsible for establishing standard performance metrics, driving continuous improvement, and identifying cost-reduction opportunities all while maintaining a high level of quality. The ideal candidate is an autonomous leader with deep supply chain expertise, has developed and implemented SOPs, implemented or improved ERP/WMS, and a proven track record of scaling high-performing teams.

Responsibilities:

  • Design and execute a comprehensive strategic roadmap to optimize and streamline our warehouse and inventory operations.
  • Implement End-to-End material management measures, including FIFO adherence, material variances, cycle time optimization, scrap/obsolescence management, cycle/physical counting, and audits, etc., to ensure inventory accuracy and to mitigate stockouts or overstocking. This includes the development & improvement of critical metrics.
  • Collaborate with cross-functional teams, including procurement, production, engineering, logistics, and quality, to aid in accurate demand forecasting, procurement planning, and timely delivery of materials.
  • Develop and implement robust SOPs to drive operational efficiency, consistency, and continuous process improvement.
  • Utilize and oversee the implementation, integration, or optimization of ERP and WMS software platforms to enhance material-related processes.
  • Identify and execute cost-reduction opportunities across the supply chain while maintaining a high level of quality and safety.
  • Manage and safeguard high-tech inventory to ensure maximum accuracy, mitigate stockouts, and maintain optimized stock levels.
  • Lead and develop a high-performing logistics and warehouse team through recruitment, mentorship, and a culture of excellence.

Candidate Requirements

Required Qualifications:

  • Bachelor's degree in supply chain management, logistics, business administration, or equivalent work experience
  • 5+ years of experience in material management, inventory control, or supply chain management roles in a manufacturing environment
  • 2+ years of experience managing a lead of supervisors, associates or operators

Preferred Qualifications:

  • Strong understanding of production rate, critical path analysis, and key warehouse fundamentals
  • Strong understanding for receiving and deployment documentation for domestic and international shipments
  • Ability to identify safety issues with warehouse vehicles to ensure safe operations
  • Experience being hands-on and boots on the ground in the warehouse with proven skills in both process and equipment troubleshooting, and ability to adapt to constantly changing warehouse environments
  • Passion for employee development and enjoy the process of training and developing both new hires and veteran warehouse staff
  • Strong understanding for receiving and deployment documentation for domestic and international shipments
  • Ability to identify safety issues with warehouse vehicles to ensure safe operations
  • Experience supporting process development and implementing new processes
  • Experience supporting equipment maintenance
  • Knowledge of 5S, lean manufacturing or 6-Sigma principles
  • Proficient with computer use (standard browser, word processing applications) and ability to present data
  • Reliable, organized and detail-oriented with excellent verbal & written communication skills in French and English
  • Experience in ramping low volume operations to high rate
  • Forklift certification

We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.

Why work at Harmattan AI

  • Culture: “Elite builders” who “thrive on complexity, move with urgency, and own their work end to end.” Emphasis on purpose, technical excellence, and real‑world impact. harmattan.ai
  • Values: Tackle the hardest problems, build what matters, move at the speed of relevance, and aim to redefine frontiers. harmattan.ai
  • Work policy: Hybrid model with a mix of remote and on‑site; many roles are in‑office at locations in Paris, Lausanne, London, Arlington (TX), Wissous, Poland, UAE, and Morocco. builtin.com
  • Engineering culture: Hands‑on development of mission‑critical autonomous systems; strong R&D focus across AI, computer vision, RF hardware, propulsion, and mission planning.
  • Perks: Not explicitly listed, but the company highlights the opportunity to protect front‑line personnel and shape the future of autonomous defence.

Application questions