Design & Development Engineer in Cergy

Constellium is a global leader in the development and manufacturing of high value-added aluminum products and solutions for a broad range of markets and applications, with a strong focus on Aerospace, Automotive and Packaging.

We design, develop and engineer products and solutions in partnership with our customers.

With approximately 11,500 employees worldwide, Constellium operates 24 manufacturing sites across North America, Europe and China and generated $8.4 billion of revenue in 2025.

Job Summary

We are seeking an experienced Engineer with a strong background in design and product development to join our team.

In this role, you will be responsible for analyzing technical requirements, developing innovative engineering solutions, and supporting the design and industrialization of products and components.

You will work closely with cross-functional teams, customers, and suppliers to ensure successful project execution and continuous product improvement.

Responsibilities

• Review and evaluate technical requirements from customer specifications, tenders, and development projects.
• Develop and optimize technical designs and engineering solutions in line with project objectives and industry standards.
• Manage product development activities, including prototyping, validation, and industrialization, in collaboration with internal teams and external partners.
• Participate in technical discussions with customers, suppliers, and other stakeholders in an international environment.
• Support Project Management, Sourcing, Manufacturing, and Quality teams to achieve objectives related to cost, quality, performance, and delivery.
• Contribute to continuous improvement initiatives and support the introduction of innovative technologies and processes.
• Prepare and maintain technical documentation, drawings, specifications, and design reviews.

Qualifications

• Engineering degree (Mechanical, Industrial, Materials, Electrical, Civil Engineering, or related field).
• Minimum 5 years of experience in an engineering or design department within an industrial environment.
• Proven experience in product design, development, and project execution.
• Proficiency with CAD software such as Auto CAD, Solid Works, CATIA, or equivalent.
• Good understanding of manufacturing processes, materials, and industrial production methods.
• Experience working in cross-functional and international teams.
• Knowledge of aluminum products, metals, or industrial manufacturing processes is considered an asset.
• Soft Skills & Personal Attributes
• Problem Solving: Analytical mindset with a creative and pragmatic approach to technical challenges.
• Work Style: Organized, autonomous, detail-oriented, and results-driven.
• Communication & Teamwork: Strong interpersonal and communication skills, with the ability to collaborate effectively across functions and cultures.
• Adaptability: Flexible, proactive, and comfortable managing multiple priorities in a dynamic environment.
• Languages: Excellent command of English; additional languages are an advantage.
• Location

This position is based in Cergy-Pontoise, Paris region.

• Constellium is an
• Equal
• Opportunity

Employer: Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.

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