Since 1922, Rotarex has been the world leader in cylinder valves, pressure regulators, and equipment for all gas applications. Our solutions support diverse industries including semiconductors, medical, research, automotive, food & beverage, fire protection, LPG and more.

Nearly 2,000 highly qualified and motivated employees work globally to meet our customers’ and the industry’s needs. Rotarex is globally recognized for its innovation, quality, and customer service.

Are you passionate about engineering innovation? Would you like to contribute to the development of cutting-edge valves used worldwide across various industries?

We are looking for a Mechanical R&D Engineer to join our dynamic team. You will play a central role in designing and developing new valve solutions, from the first concept to series production, in a collaborative, high-tech, and international environment.

🌟 Why join us?

• Work on strategic and innovative projects that shape tomorrow's fluid control technologies

• Collaborate across departments (R&D, lab, production, purchasing, quality) in a multidisciplinary and supportive team

• Combine theory and practice: calculations, CAD modeling, lab testing, supplier sourcing

• Contribute to a company with a strong industrial presence and international outlook

• Be part of a long-term transformation: move to our future smart factory in Bissen by end of 2025, a brand-new 4.0 site at the forefront of technology

🔍 Your key responsibilities

You will work hand-in-hand with other engineers and specialists to:

• Develop innovative valves from concept to series support, across all business units

• Create and evaluate technical concepts, ensuring alignment with internal procedures and industry norms

• Calculate valve characteristics (flow, mechanical strength, etc.) using engineering tools and simulations

• Perform feasibility assessments of new projects and design solutions accordingly

• Design components using CAD (Siemens NX preferred)

• Define and supervise lab testing procedures, including test planning, reporting, and validation

• Collaborate with production, quality, procurement, and other departments to ensure timely delivery and top-quality output

• Participate in FMEA sessions

• Identify, validate, and manage technical suppliers when needed

🧠 Your profile

🎓 Education & Experience

• Master’s degree in Mechanical or Electromechanical Engineering

• Proven experience or strong academic background in:

  • CAD tools (Siemens NX preferred)

  • FEA (linear and non-linear, for metals and plastics)

  • CFD and fluid dynamics (liquids and gases)

  • Thermodynamics

• Knowledge of metal machining (turning, milling) is a plus

• CAM experience is an asset (Siemens NX CAM preferred)

  
  

🧩 Core competencies

• Team player with strong communication and active listening skills

• Analytical and problem-solving mindset

• Resilient, solution-oriented, and proactive

• Able to manage time and priorities efficiently

• Data-driven and objective decision-making

  
  

🗣️ Languages

• Fluency in English (written and spoken) is required

• Comfortable in French and/or German is a strong advantage

🎁 What we offer

Joining Rotarex means more than just a job : it's the opportunity to grow within a company that values technical excellence, innovation, and people. Here's what you’ll find when you join us:

👷‍♂️ Your professional environment

• A full-time permanent position in a growing international industrial group with global recognition

• An opportunity to make your mark in a company where engineering meets innovation

• A forward-looking work environment with modern tools and high-end infrastructure

• A strong focus on technical innovation and continuous improvement

• A workplace culture that is collaborative, respectful, and people-first

  
  

🚀 Growth & development

• Many opportunities for training, certifications, and personal development

• Support for internal mobility and career progression

• The chance to take ownership of projects and contribute directly to our R&D and product strategy

  
  

🏭 An exciting future in Bissen

• Be part of the transition to our brand-new Industry 4.0 site in Bissen (opening 2025)

• Work just a 3-minute walk from Lintgen train station until the move

• Free on-site parking available

  
  

🌟 Benefits & social advantages

• Collective agreement with numerous advantages:

  • Seniority leave, social leave, paid medical visits, performance bonuses…

• Preferential health insurance rates (via Foyer)

• Discounted phone plan (via Tango)

• Sympass card with discounts for activities, travel, and more

• Special banking offers via our local banking partner (BGL BNP Paribas)

• Social benefits for life events: marriage, birth, retirement…

  
  

🎉 Corporate life & community

• Team spirit fostered through regular company events : Sports tournaments, Family Day, Christmas party, and more

Ready to engineer the future with us? Apply now and be part of something meaningful.

📢 Important: Only applications submitted through the official application form will be considered.
Applications sent via other channels will not be processed.
🔒 Confidentiality guaranteed – all applications will be treated with the utmost discretion.

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