Industrial Cost Controller & P&L Lead

Signal Processing Engineer (RF Processing & Analytics); Paris (TX); On-site; USD 68,000 - 103,000; Full time

Job summary

Harmattan AI, a France-based defense technology company, is seeking a Group Cost Controller to own the Industrial, R&D and other operational costing across multiple entities. You will partner with the FP&A Manager to structure, develop, and continuously improve Industrial P&L, cost performance monitoring, and decision-support capabilities across the group.

The role combines hands-on analytical execution with higher-level structuring, including industrial P&L creation, cost planning, budgeting,

Qualifications

• Educational background in Finance, Business Admin, Engineering, or related field (Master’s preferred).
• 5–8 years in cost or industrial controlling within manufacturing or complex production.
• Expert Excel and financial modelling; hands-on ERP experience; BOMs and variance analysis.
• Autonomous, structured, able to operate in a fast-moving environment; fluent in French & English.

Responsibilities

• Build the industrial P&L and the costing framework; define standard cost methodology and tracking.
• Monitor production costs, inventory levels, and variances; drive corrective actions with operations.
• Run monthly closings, business reviews, forecasts and budgets for the industrial scope.
• Contribute to Odoo implementation and ensure inventory tracking meets business needs.
• Drive cost visibility and optimization across R&D and other operating costs.

Skills

Industrial Controlling

Financial Modelling

Builder Mindset

Business Partnering

Education

Master's preferred

Tools

ERP (Odoo)

Job description

Harmattan AI, a France-based defense technology company, is seeking a Group Cost Controller to own the Industrial, R&D and other operational costing across multiple entities. You will partner with the FP&A Manager to structure, develop, and continuously improve Industrial P&L, cost performance monitoring, and decision-support capabilities across the group.

The role combines hands-on analytical execution with higher-level structuring, including industrial P&L creation, cost planning, budgeting,