Mechanical Engineer - Fire suppression

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

System Design & development

• Contribute to the design and development of fire suppression systems from prototype to production
  Develop CAD models, assemblies, and detailed manufacturing drawings

• Perform engineering calculations related to flow dynamics, valve 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

• Actively support and attend fire testing activities, including pre-fire tests and witness fire tests

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 fire suppression 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 (experience in fire suppression, hydraulics, or fluid systems is an asset)

• Strong expertise in mechanical design and modeling

• Proficiency in CAD software (Siemens NX or equivalent)

• Solid knowledge of engineering calculations (flow 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 life-safety fire suppression technologies used worldwide

• Direct involvement in full product lifecycle, from concept and testing to certification and production

• Hands-on participation in real fire 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 Firetec

• 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.

#jobslu