Group Cost Controller

Descripción del puesto

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 Cost Controller at Harmattan AI, you will take ownership of the Group’s Industrial, R&D & other operational costing, working closely with the FP&A Manager to structure, develop, and continuously improve Industrial P&L, Cost performance monitoring, and decision-support capabilities across multiple entities. The role combines hands-on analytical execution with higher-level structuring responsibilities, including Industrial P&L creation & development, Industrial & R&D cost planning, budgeting, forecasting, and KPI definition. Responsibilities Build the industrial P&L and the costing framework. Create the industrial P&L, define the standard cost calculation methodology, and set up the performance tracking processes that go with it. Monitor and challenge production and inventory performance. Track production costs, inventory levels and variances, identify deviations early, and work with operations to close them. Run the industrial management cycles. Initiate and own monthly closings, business reviews, forecasts and budgets for the industrial scope. Contribute to the Odoo implementation. Work with Production and Supply Chain to ensure inventory is tracked reliably in the system and that the outputs the business needs come out of it. Drive cost visibility and optimization beyond the plant. Follow R&D and project costs, and lead cost optimization in