Group Cost Controller — Opportunihub
Job

Group Cost Controller

Signal Processing Engineer (RF Processing & Analytics) · Paris

At a glance

Type
Job
Organisation
Signal Processing Engineer (RF Processing & Analytics)
Location
Paris
Work mode
On-site
Deadline
Rolling / not stated
Posted
23 Sep 2026

About this job

<h3><strong>About Us</strong></h3><p style="min-height:1.5em">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.</p><p style="min-height:1.5em">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.</p><p style="min-height:1.5em"></p><h3><strong>About the Role</strong></h3><p style="min-height:1.5em">As <strong>Group Cost Controller</strong> at Harmattan AI, you will take ownership of the Group’s Industrial, R&amp;D &amp; other operational costing, working closely with the FP&amp;A Manager to structure, develop, and continuously improve Industrial P&amp;L, Cost performance monitoring, and decision-support capabilities across multiple entities.</p><p style="min-height:1.5em">The role combines hands-on analytical execution with higher-level structuring responsibilities, including Industrial P&amp;L creation &amp; development, Industrial &amp; R&amp;D cost planning, budgeting, forecasting, and KPI definition.</p><p style="min-height:1.5em"></p><h3><strong>Responsibilities</strong></h3><ul style="min-height:1.5em"><li><p style="min-height:1.5em"><strong>Build the industrial P&amp;L and the costing framework.</strong> Create the industrial P&amp;L, define the standard cost calculation methodology, and set up the performance tracking processes that go with it.</p></li><li><p style="min-height:1.5em"><strong>Monitor and challenge production and inventory performance.</strong> Track production costs, inventory levels and variances, identify deviations early, and work with operations to close them.</p></li><li><p style="min-height:1.5em"><strong>Run the industrial management cycles.</strong> Initiate and own monthly closings, business reviews, forecasts and budgets for the industrial scope.</p></li><li><p style="min-height:1.5em"><strong>Contribute to the Odoo implementation.</strong> 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.</p></li><li><p style="min-height:1.5em"><strong>Drive cost visibility and optimization beyond the plant.</strong> Follow R&amp;D and project costs, and lead cost optimization initiatives across other operating costs.</p></li></ul><p style="min-height:1.5em"></p><h3><strong>Candidate Requirements</strong></h3><ul style="min-height:1.5em"><li><p style="min-height:1.5em"><strong>Educational Background:</strong> Finance, Business Administration, Engineering, or a related field (Master’s preferred)</p></li><li><p style="min-height:1.5em"><strong>Industrial Controlling Expertise:</strong> 5–8 years in cost or industrial controlling within a manufacturing environment or a complex production environment </p></li><li><p style="min-height:1.5em"><strong>Modelling &amp; Tools:</strong> Expert-level Excel and strong financial modelling skills, plus hands-on experience with an ERP . Comfortable with BOMs, standard costs and variance analysis.</p></li><li><p style="min-height:1.5em"><strong>Builder's Mindset &amp; Adaptability:</strong> Has built a controlling framework from a blank page rather than inherited one. Autonomous, structured, and at ease in a fast-moving environment where the answer does not exist yet.</p></li><li><p style="min-height:1.5em"><strong>Business Partnering &amp; Communication:</strong> A true business partner — curious about operations, comfortable on the shop floor, able to challenge production, engineering and procurement constructively. Fluent in French and English.</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em">We look forward to hearing how you can help shape the future of autonomous defense systems at Harmattan AI.</p><p>Find <a href="https://www.arbeitnow.fr">Jobs in France</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Signal Processing Engineer (RF Processing & Analytics)’s official page.
  4. 4 Submit as early as possible — many close once filled.
Apply on official site

Sourced from arbeitnow. Always verify details on the official website. Opportunihub never charges you to apply.

Frequently asked questions

How do I apply for Group Cost Controller?

Review the full details and eligibility on this page, prepare your documents, then use the “Apply on official site” button to complete your application on Signal Processing Engineer (RF Processing & Analytics)’s official page.

Is this opportunity remote or location-based?

This opportunity is based in Paris. Check the official listing for any relocation or on-site requirements.

Is Group Cost Controller free to apply for?

Opportunihub lists this Job for free. Legitimate Jobs do not ask for payment to apply — never pay a fee to submit an application.