Stack Design Manager

🏢 About John Cockerill

Are you ready to work on strategic international projects within the hydrogen sector and the global energy transition?
Join John Cockerill Hydrogen as a Stack Design Manager.

Founded in 1817, John Cockerill supports sustainable innovation to address the major challenges of our time. The Group develops and integrates technological solutions for energy, defense, industry, environment, transport and infrastructure.

With more than 8,000 employees, the Group achieved €1.417 billion revenue in 2024 and operates across 28 countries on 5 continents.

🌟 Why join us?

• Strategic role in the global development of hydrogen technologies
• Work on high-impact industrial projects with international exposure
• Central contribution to the creation and standardization of next-generation stacks
• Fast-moving environment with strong innovation and industrialization focus
• Agile organizational structure with short decision-making lines

🎯 Your Role

As Stack Design Manager, you lead the design, development, and industrialization of electrolyzer stacks within the Product Development division.
You act as the technical authority, ensuring design quality, product consistency, roadmap alignment, and team performance.

You play a key role in structuring the department, maturing the product portfolio, and securing competitiveness in global markets.

📌 Your Key Responsibilities

🔧 1. Technical leadership & expertise

• Perform, review and validate mechanical, thermal and CFD calculations
• Define detailed functional specifications for stack operation
• Collaborate with CAD designers to produce and validate detailed 2D/3D designs
• Identify and develop innovative materials, design concepts, and technical solutions
• Apply Design-to-Cost principles in all development steps
• Prepare technical specifications for procurement and manufacturing
• Validate suppliers through inspections and conformity assessments
• Support and deploy validation tests (mechanical, materials, functional tests)

🏭 2. Product industrialization

• Ensure product industrialization feasibility throughout development
• Work closely with Manufacturing, Quality and Industrialization teams
• Secure design robustness and global manufacturability (EU, Asia, global sites)

🚀 3. Product roadmap

• Propose design evolutions aligned with market expectations, performance and industrial constraints
• Contribute to the roadmap of two strategic stacks:
• High-performance EU stack
• Global standardized product

🧩 4. Design Reviews governance

• Organize and lead cross-functional Design Reviews
• Establish design evolution and validation processes
• Ensure traceability, compliance and continuous improvement

👥 5. Team management

• Define objectives, priorities and workload distribution
• Monitor progress and ensure team balance and continuity
• Support skills development and well-being of engineers and experts
• Foster autonomy, collaboration and ownership

👥 Your Team

• Reporting line-Christian : Head of Stack Development
• Environment: collaborative, highly technical, innovation-driven
• Management style: transparent, empowering, focused on excellence and teamwork

👤 Your Profile

Experience & technical skills:

• Mechanical engineer (materials, thermal sciences, fluid mechanics, thermodynamics)
• 5+ years as a Team Lead in a Design Office, or 10+ years as a senior design expert
• Proven experience in:
• Mechanical design & industrialization
• Pressure equipment
• FEM/CFD calculations
• Machining, surface treatment, mechanical assembly
• R&D → industrialization cycles
• Quality, conformity, certification, risk analysis
• Strong knowledge of ASME / EN / ISO standards
• Fluent in English; French is a strong asset

Soft skills:

• Strong leadership, assertiveness, and ability to challenge constructively
• Innovation mindset & strong analytical skills
• Excellent organizational skills and autonomy
• High adaptability in evolving environments
• Clear and structured communication
• Ability to work transversally with multiple departments

🎁 What we offer

A competitive and comprehensive package including:

• Company car
• Meal vouchers
• Expense allowances
• Insurance package (hospitalization, death, income protection…)
• Variable bonus (up to 25% of yearly gross salary)
• Profit-sharing / performance schemes
• 1–2 days of telework per week after onboarding
• Structured 6-month onboarding program
• Continuous training & career development opportunities
• International exposure and cross-entity mobility
• 31 days of paid leave

📅 Recruitment Process

1. First interview with RPO/MSP Manager- Camille GRUSLIN
2. Technical & managerial interview with the Head of Stack Development-Christian
3. Final interview with the CTO

Is it a match between you and John Cockerill? May this collaboration begin!

This is not the opportunity you're looking for? You can also join our talent pool and be contacted for other positions in the future