Mechanical Engineer
About Rotarex
Since 1922, Rotarex has been a global leader in cylinder valves, regulators, and equipment for gas applications. With 1,800 employees worldwide, we serve industries such as semiconductors, medical, research, automotive, food & beverage, fire protection, and more.
Innovation, quality, and customer trust are at the heart of what we do. As a family-owned company with an international reach, we combine agility with the strength of a worldwide industrial group.
📍 Position based in Lintgen, Luxembourg
A relocation is planned this year to our brand-new Industry 4.0 plant in Bissen, a state-of-the-art facility designed to enhance both team well-being and industrial performance.
💼 Your mission: drive technical product development
As part of the Engineering team, you will contribute to the design, development, and validation of mechanical systems, from early concept and prototyping to industrialization and certification.
You will play a key role in delivering reliable, high-performance technical solutions while supporting innovation and continuous improvement initiatives.
Key responsibilities
Design & development
Contribute to the design and development of mechanical components and assemblies from prototype to production
Develop CAD models, assemblies, and detailed manufacturing drawings
Perform engineering calculations related to flow dynamics, component capacity, and mechanical strength
Testing & validation
Support system prototyping and laboratory testing campaigns (setup, execution, data analysis, reporting)
Participate in defining testing procedures and ensure compliance with international standards and certifications
Risk assessment & technical support
Provide technical expertise during FMEA sessions and risk assessments
Collaborate closely with engineering, laboratory, sales, and cross-functional teams to deliver projects on time
Supplier & certification interface
Engage with suppliers and external partners to ensure quality of critical components
Prepare technical documentation and manage approval and certification processes with relevant authorities
Innovation & continuous improvement
Continuously propose new technical solutions and contribute to product innovation
Support the development of advanced mechanical technologies
🛠 Required technical skills
Bachelor’s or Master’s degree in Mechanical Engineering or a related field
Minimum 5 years of R&D engineering experience (mechanical design, hydraulics, or fluid systems experience is an asset)
Strong expertise in mechanical design and modeling
Proficiency in CAD software (Siemens NX or equivalent)
Solid knowledge of engineering calculations (capacity, pressure drop, strength analysis)
Experience with laboratory testing, data acquisition, and analysis
Knowledge of industry standards and certification processes
Proficiency in Microsoft Office / Microsoft 365
Fluent English (additional languages are beneficial)
Availability to travel for product development and testing activities
✅ Personal skills
Analytical mindset with the ability to solve complex engineering problems
Team-oriented approach with strong collaboration and communication skills
High level of attention to detail and commitment to engineering excellence
Curiosity, creativity, and drive for innovation
Ability to manage priorities in a dynamic technical environment
✨ What makes this role unique
A key role in the development of advanced mechanical products used globally
Direct involvement in full product lifecycle, from concept and testing to certification and production
Hands-on participation in prototyping and lab testing campaigns
A highly technical and innovative environment within an international industrial group
The opportunity to contribute to cutting-edge solutions in a new Industry 4.0 facility
What you will find at Rotarex
The strength of a global industrial group combined with an agile, human-sized organization
A collaborative and international engineering environment
Real opportunities for technical development and career growth
A modern working environment in a state-of-the-art production site
Attractive benefits and flexible working conditions
📢 Only applications submitted through our official application process will be considered
All applications will be treated with the strictest confidentiality
👉 Looking for a new challenge? Join Rotarex and contribute to the development of innovative mechanical solutions that impact industries worldwide.
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Informations
Mechanical Engineer
À durée indéterminée (CDI)
17/03/2026
Lintgen
Master
Temps plein

