Group FP&A Manager

JobsCloseBy Editorial Insights

Harmattan AI is seeking a Group FP&A Manager in Paris, full-time onsite, to own the Group’s FP&A function alongside the Head of Finance, shaping long-range planning, budgeting, forecasting, KPI definition and decision-support across multiple entities in a fast-growing defense tech environment. The role blends hands-on modeling with strategic design, requiring expert financial modeling, advanced Excel, ERP familiarity, and the ability to translate complex drivers into robust frameworks, while collaborating closely with operations, R&D and commercial teams. To apply, tailor your resume to scale-ups and multi-entity contexts, Emphasize cash flow, working capital optimization, scenario analyses, and investor reporting, and showcase ownership and clear, bilingual storytelling aligned with Harmattan AI’s mission.

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 FP&A Manager at Harmattan AI, you will take ownership of the Group’s FP&A function, working closely with the Head of Finance to structure, develop, and continuously improve financial planning, performance monitoring, and decision-support capabilities across multiple entities.

The role combines hands-on analytical execution with higher-level structuring responsibilities, including business planning, budgeting, forecasting, and KPI definition. As the company continues to scale, the FP&A Manager will play a key role in shaping how financial insights are used across the organization and may contribute to the future structuring of the FP&A team.

Responsibilities

Financial Planning & Forecasting

• Co-own the Group’s financial planning framework with the Head of Finance, including the long-term business plan, annual budgets, and rolling forecasts

• Structure and maintain financial models covering revenues, costs, cash flow, working capital, and capital expenditure

• Coordinate budget and forecast cycles with operational, industrial, R&D, and commercial teams

Performance Management & Analysis

• Define, monitor, and continuously refine key performance indicators (KPIs) to track financial and operational performance

• Perform variance analyses versus budget and forecast, identify key drivers, and provide actionable insights to management

• Support strategic decision-making through ad hoc analyses related to growth initiatives, industrial ramp-up, pricing, and resource allocation

Cash, Working Capital & Liquidity

• Support cash flow forecasting and liquidity monitoring in coordination with other finance teams

• Analyze working capital dynamics (inventory, receivables, payables) and contribute to optimization initiatives

• Perform scenario and sensitivity analyses to support short- and medium-term funding assessments

Management & Investor Reporting

• Prepare and maintain management reporting packages for executive leadership and Board discussions

• Contribute to investor reporting, fundraising materials, and financial narratives in close coordination with the Head of Finance

• Support preparation of financial information for lenders, investors, and public institutions

Tools, Processes & Business Partnering

• Design and continuously improve FP&A processes, templates, and reporting tools

• Contribute to ERP and finance tool evolution from an FP&A and performance-management perspective

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 FP&A or similar roles. Experience in a scale-up, industrial, or multi-entity context is a strong plus.

• Financial & Analytical Skills: Strong command of financial modeling, forecasting, and performance analysis, with the ability to understand complex business drivers and translate them into robust financial frameworks. Advanced Excel skills are required; familiarity with ERP systems and reporting tools is highly valued.

• Working Style & Ownership: Hands-on, structured, and autonomous, with the ability to manage multiple priorities in a fast-paced environment. Strong ownership mindset, comfort operating in evolving environments, and the ability to move seamlessly between detailed analysis and high-level synthesis are essential.

• Communication & Business Mindset: Excellent written and verbal communication skills in French and English, with the ability to communicate financial insights clearly to both finance and non-finance stakeholders. Full alignment with Harmattan AI’s mission and willingness to go the extra mile to support the company’s growth and ambitions.

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