R&D Engineer - Mechanical Engineering & Product Lifecycle

Since 1922, Rotarex has been the world leader in cylinder valves, pressure regulators and equipment for all gas applications. With nearly 2 000 employees worldwide, we support a wide range of industries including semiconductor, medical, automotive, food & beverage, energy, research and many others.

Innovation, quality and customer satisfaction are at the heart of everything we do, making Rotarex a trusted partner for customers around the globe.

Rotarex Puretec is dedicated to the high-purity gas market, providing advanced gas control solutions for industries where purity, performance and reliability are critical. Operating in an international and highly technical environment, Rotarex Puretec combines engineering expertise, product innovation and customer-focused solutions to support customers in semiconductor, specialty gas, laboratory and other demanding applications.

📍 Position based in Luxembourg

Our teams are currently relocating to our brand new Industry 4.0 manufacturing site in Bissen, designed to provide a state of the art working environment focused on innovation, employee well being, collaboration, and operational excellence.

💼 Your Mission

As an R&D Engineer, you will develop, maintain and improve valves and valves with integrated pressure regulators (VIPRs) for Rotarex high-purity gas business. You will combine development projects with serial-production engineering and product lifecycle control.

Your responsibilities will include:

Product Development & Industrialization

• Contribute to product development projects from technical requirements and feasibility through design, qualification and industrialization

• Coordinate technical deliverables and project milestones

• Implement product modifications and improvements

Product Lifecycle & Engineering Change Management

• Manage serial-production product versions and engineering changes in PDM

• Maintain CAD models, drawings and bills of materials

• Control revisions and releases while ensuring consistency with ERP and shop-floor documentation

Technical Support & Production Engineering

• Provide technical support for nonconformities, manufacturing and assembly issues, and supplier deviations

Testing & Qualification

• Define qualification test plans

• Participate in laboratory testing of product designs

• Analyze test results and document compliance with design requirements

• Support product homologation activities

🧠 Your Profile

Competences

• Pragmatic, hands-on problem solving with the ability to identify root causes and select robust, manufacturable solutions supported by evidence

• Rigorous change control and technical traceability, with the ability to prioritize production issues and coordinate cross-functional implementation

• Clear technical communication with Quality, Process, Production, Purchasing and suppliers

Required Skills

• An Engineering Degree or a Master’s Degree in Mechanical Engineering, with practical knowledge of serial-production engineering

• A sound understanding of solid mechanics and fluid mechanics

• Fluency in English and a working knowledge of French or German for technical communication

Preferred Skills

• Knowledge of CAD, preferably Siemens NX, including the creation of manufacturing drawings, GD&T and dimensional tolerance stack-up analysis

• Knowledge of PDM, preferably Teamcenter X Essentials, including product structures, revision control, engineering change and release workflows, and familiarity with bills of materials in ERP systems

• Working knowledge of FEM and CFD, including the definition of boundary conditions, interpretation of results and correlation with test data

• Knowledge of machining, surface finishes, assembly and inspection methods, together with a background in materials, including metals, polymers, seals and gas compatibility

• Knowledge of the gas industry and its safety and purity requirements

• Experience optimizing mechanical strength, sealing, pressure regulation and gas-flow performance using analytical calculations, tolerance stack-ups and FEM/CFD where appropriate

✨ What Makes This Role Unique

• A position combining product development projects with serial-production engineering responsibilities

• Direct involvement in the complete engineering lifecycle, from feasibility and design to qualification and industrialization

• Hands-on participation in laboratory testing and product qualification activities

• The opportunity to contribute to the continuous improvement of high-purity gas products

🌟 What You Will Find at Rotarex

• The strength of a global industrial group combined with a family-oriented culture

• Real opportunities for training, professional development, and career growth

• Flexible working hours promoting a healthy work-life balance

• An attractive package including numerous social benefits

• A brand new Industry 4.0 manufacturing site in Bissen, offering an ultramodern working environment (canteens, fitness center, free parking, electric vehicle charging stations, air conditioning...)

• Easy access to the site

• Additional benefits including Sympass card, preferential partnerships (banking, health insurance, mobile plans...)

• Company events that foster collaboration and team spirit

Recruitment Process

Only applications submitted through our official application process will be considered. All applications will be treated with the strictest confidentiality.

A small tip: AI-generated applications often sound alike… let your personality and experience make the difference ;)

Ready to contribute to the development and continuous improvement of high-performance gas control products? Join us and help shape the future of high-purity gas solutions.