Welding Process Engineer

Hydro Extrusions is a world-leading aluminium extrusion business counting around 100 production sites in 40 countries and employing 20,000 people. Through our unique combination of local expertise, global network, and unmatched R&D capabilities, we can offer everything from standard profiles, to advanced development and manufacturing for most industries. 

Role Purpose

The role is responsible for Support the development, qualification, and execution of welding activities for structural components in railway applications (MIG, TIG, FSW). Combines deep technical welding expertise with strong knowledge of standards, materials, and quality requirements specific to the rail sector. This role plays a key part in ensuring compliance with key railway standards such as EN 15085, and ISO 3834 and ensures compliance with other quality standards, HSE regulations, and customer requirements.

In addition, the automotive sector is to support, in choosing the right technology, cost evaluation and planning from serial equipment as well as guiding, advise and challenge the production sites.

What you will be doing

• Support feasibility assessments for welding during RFQs and project phases


• Develop and maintain Welding Procedure Specifications (WPS) and qualifications


• Define and optimize welding parameters in collaboration with production teams


• Ensure compliance with key standards (EN 15085, ISO 3834) and customer requirements


• Provide on-site technical support and troubleshoot welding issues


• Lead root cause analyses for defects and support continuous improvement


• Define inspection and testing plans and support audits and certifications


• Guide production sites on welding technologies, industrialization, and best practices

What will make you successful

• Master’s degree in mechanical engineering, Materials Science, or related field


• Certified Welding Engineer qualification (IWE/EWE)


• Strong hands-on experience in welding (MIG, TIG, FSW), ideally in rail or aluminium environments


• Knowledge of railway welding standards and quality requirements


• Understanding of aluminium materials (especially 6xxx alloys) and manufacturing processes


• Strong analytical skills and a structured, problem-solving mindset


• Ability to work independently while collaborating across teams and functions


• Fluent English (German/French is an advantage)

What we offer

• A high-impact role in advanced rail and automotive manufacturing projects


• Opportunities to work with cutting-edge welding technologies


• International collaboration and exposure across multiple European sites


• A dynamic and hands-on technical environment


• Autonomy and responsibility in driving process improvements


• Travel opportunities and involvement in on-site operations


• A strong culture of quality, safety, and continuous learning

Equal opportunities

At Hydro, we believe diversity makes us stronger. We welcome diverse experiences and perspectives, and invite all qualified candidates to apply. We review every application fairly and strive to provide equal opportunities for everyone to grow and succeed.

Apply before: 31/07/2026