Group Treasury Manager

JobsCloseBy Editorial Insights

Harmattan AI is seeking a Group Treasury Manager in Paris, full-time onsite, to own the Group’s treasury function with the Head of Finance, shaping cash management, liquidity forecasting, FX risk management, and intercompany funding across multiple entities and jurisdictions. The role combines hands-on execution with strategic design, covering cash pooling, banking structure, FX policies, and working capital financing as the company scales internationally. Ideal candidates have 6 to 10 years in treasury, advanced Excel, ERP familiarity, and proven multi-entity experience with bank relationships and hedge programs, fluent in French and English, and a hands-on, ownership mindset. In your application, quantify liquidity wins, outline cross-border structures, FX hedging outcomes, and demonstrate alignment with Harmattan AI’s mission and growth.

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 Group Treasury Manager at Harmattan AI, you will take ownership of the Group’s treasury function, working closely with the Head of Finance to structure, deploy, and continuously improve cash management, liquidity planning, FX risk management, and intercompany funding across multiple entities and jurisdictions.

The role combines hands-on operational treasury execution with strategic structuring responsibilities, including cash pooling, banking architecture, FX policies, and working capital financing. As the company continues to scale rapidly and internationally, the Group Treasury Manager will play a critical role in securing liquidity, managing financial risks, and supporting growth through robust and scalable treasury frameworks.

Responsibilities

Cash Management & Liquidity

• Own daily and medium-term cash visibility at Group level, including cash positioning and liquidity forecasting

• Structure and maintain rolling cash flow forecasts in close coordination with FP&A and Accounting teams

Banking Structure & Cash Pooling

• Design, implement, and manage the Group’s banking architecture across multiple entities and countries

• Lead the setup and operation of cash pooling structures, including intercompany flows

• Manage relationships with banking partners and negotiate treasury-related terms

• Support the opening of new bank accounts in connection with new entities, geographies, or projects

FX Risk Management

• Define and implement the Group’s FX policy

• Identify, quantify, and monitor FX exposures across entities

• Execute FX hedging strategies and monitor hedge effectiveness

• Coordinate with operational teams to anticipate FX impacts on margins and cash flows

Working Capital & Treasury Financing

• Support the structuring and deployment of working capital financing solutions

• Contribute to discussions with lenders, export credit agencies, and public institutions on treasury-related instruments

Candidate Requirements

• Education & Experience: Degree in Finance, Business Administration, Engineering, or a related field (Master’s preferred), with 6 to 10 years of experience in Treasury or similar roles. Experience in a scale-up, industrial, international, or multi-entity environment is a strong plus.

• Treasury & Financial Skills: Strong expertise in cash management, liquidity forecasting, FX risk management, and banking structures. Solid understanding of working capital financing and intercompany funding mechanisms. Advanced Excel skills are required; familiarity with ERP systems, treasury tools, and banking platforms is highly valued.

• Working Style & Ownership: Hands-on, structured, and autonomous, with the ability to operate both at operational detail level and strategic design level. Strong ownership mindset, comfort in fast-changing environments, and ability to manage multiple priorities simultaneously.

• Communication & Business Mindset: Excellent written and verbal communication skills in French and English, with the ability to interact effectively with banks, internal stakeholders, and external advisors. Strong business acumen and full alignment with Harmattan AI’s mission and growth ambitions.

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