# Group Cost Controller at Signal Processing Engineer (RF Processing & Analytics)

- Company: Signal Processing Engineer (RF Processing & Analytics)
- Status: Open
- Workplace: On-site
- Location: Paris
- Level: Mid-level
- Discipline: Engineering
- Employment: Full-time
- Posted: 2026-09-23
- Skills: F&A
- Apply: https://www.arbeitnow.fr/jobs/companies/signal-processing-engineer-rf-processing-analytics/group-cost-controller-paris-286611

## Description

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 closing

More Signal Processing Engineer (RF Processing & Analytics) roles: https://deviantjobs.com/companies/signal-processing-engineer-rf-processing-and-analytics