Group Cost Controller
About the job
- A degree in Finance, Business Administration, Engineering, or a related field; a Master's degree is preferred.
- Five to eight years of cost or industrial controlling experience within a manufacturing or complex production environment.
- Expert-level Excel proficiency and strong financial modelling skills.
- Hands-on experience with an enterprise resource planning system.
- Comfort with bills of materials, standard costs, and variance analysis.
- Experience building a controlling framework from a blank page rather than inheriting one.
- Fluency in French and English.
- Ability to work autonomously and in a structured manner in a fast-moving environment.
- Ability to partner with operations, work on the shop floor, and constructively challenge production, engineering, and procurement.
- Create the industrial profit and loss statement, define the standard cost calculation methodology, and establish the related performance-tracking processes.
- Track production costs, inventory levels, and variances; identify deviations early and work with operations to resolve them.
- Initiate and own monthly closings, business reviews, forecasts, and budgets for the industrial scope.
- Contribute to the Odoo implementation by working with Production and Supply Chain to ensure inventory is reliably tracked and the business receives the required outputs.
- Follow research and development and project costs, and lead cost-optimization initiatives across other operating costs.
- Own the Group's Industrial, research and development, and other operational costing, including industrial profit and loss development, cost planning, budgeting, forecasting, and key performance indicator definition.
- A Master's degree in Finance, Business Administration, Engineering, or a related field.
About the company
Harmattan AI builds vertically integrated autonomous defense systems for NATO and allied forces. Its products include layered air defence, coordinated ISR and strike UAVs, electronic-warfare tools, and command-and-control platforms, all powered by a software-defined autonomy stack. The systems are designed to operate together, with autonomous decision-making, sensor fusion, and mission execution through its C2 framework. The company differentiates itself through large-scale industrial manufacturing, secured Programs of Record with European and UK defense ministries, and a strategic partnership with Dassault Aviation to embed Harmattan’s controlled autonomy into combat-air systems such as Rafale F5 and UCAS. The goal is to provide trusted, scalable autonomous solutions for defense missions, expanding globally and embedding autonomy into partner platforms to strengthen allied capabilities.
Company Size
201-500
Company Stage
Series B
Total Funding
$242M
Headquarters
Paris, France
Founded
2024
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Simplify's Take
What believers are saying
- July 2026 NAMIB testing linked a drone sensor to Rafale targeting in flight.
- June 2026 France ordered 5,000 Sonora ISR drones after a prior 1,000-unit tranche.
- September 2026 Series B raised $200 million at $1.4 billion, funding global expansion.
What critics are saying
- Defence procurement concentration in France and UK ties revenue to two ministries.
- Harmattan claims 10,000 drones monthly, but public production audits remain absent.
- A high-profile Rafale or NATO autonomy failure could freeze deployment and kill trust.
What makes Harmattan AI unique
- Dassault embeds Harmattan autonomy into Rafale F5 and UCAS programs.
- Harmattan ships ISR, strike, EW, and C2 systems from one software stack.
- France and UK Programs of Record validate procurement traction against European peers.
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Benefits
- Health Insurance
- Dental Insurance
- Vision Insurance
- Unlimited Paid Time Off
- Flexible Work Hours
- Remote Work Options
- Paid Vacation
- 401(k) Retirement Plan
- Company Equity
- Stock Options
- Wellness Program
- Mental Health Support