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R&D Engineer - Watermist (m/f)

ROTAREX FIRETEC S.A.

Online since31.07.2026
Your mission


As an R&D Engineer, you will take ownership of product development projects from concept to industrialization. You will play a key role in designing innovative mechanical solutions while ensuring technical excellence, manufacturability and compliance with customer and industry requirements.


Product Development & Engineering

Develop new products and improve existing solutions according to customer requirements, market expectations and company objectives

Lead assigned R&D projects from concept, design and prototyping through validation and industrialization

Create, review and validate 2D technical drawings and 3D CAD models

Define products in accordance with customer specifications, manufacturing constraints, technical standards and internal design rules

Gather and analyze all technical information required for product development, including materials, tolerances, interfaces, manufacturing processes and performance criteria

Perform engineering calculations, tolerance analysis, design evaluations and technical assessments to support design decisions

Identify technical risks and propose robust engineering solutions throughout the development process

Prototyping, Testing & Validation

Coordinate prototype manufacturing and sample production

Define validation requirements and support product testing with internal laboratories and external technical partners

Analyze test results, product failures and non-conformities, and implement appropriate corrective actions

Ensure products meet quality, performance and regulatory requirements before industrialization

Industrialization & Cross Functional Collaboration

Work closely with Production, Quality, Purchasing, Product Management, Sales and suppliers to ensure manufacturability, quality and cost efficiency

Provide technical support regarding product specifications, materials, manufacturing feasibility and supplier-related technical topics

Participate in supplier evaluations and technical reviews when required

Support successful product industrialization and continuous product improvements

Technical Documentation & Continuous Improvement

Review and approve technical drawings, specifications, calculations, prototypes and engineering documentation

Maintain accurate technical documentation, CAD files, calculations, test reports and product data

Manage product information within SAP and internal engineering systems

Participate in design reviews, technical discussions and cross-functional project meetings

Contribute to design optimization, cost reduction, standardization and value engineering initiatives

Support and mentor less experienced team members when needed


Your profile
Education & Technical Skills

Bachelor's degree in Mechanical Engineering, Electromechanical Engineering, Industrial Engineering or a related technical discipline

Professional experience in R&D, mechanical design or product development within an industrial environment

Strong expertise in mechanical engineering principles and product development

Excellent knowledge of 2D drawings and 3D CAD modelling

Experience with Siemens NX is a strong advantage

Good understanding of materials, tolerancing, manufacturing processes and design for manufacturability

Experience with prototype development, testing and product validation

Ability to interpret customer specifications, technical standards and regulatory requirements

Experience working with suppliers and manufacturing teams is an advantage

Knowledge of SAP is considered a plus

Good command of Microsoft Office / Microsoft 365

Fluent English is mandatory

French and/or German are considered strong assets

Personal Skills

Strong analytical and problem-solving mindset

Able to work autonomously and take ownership of engineering projects

Excellent organizational and project management skills

Attention to detail and engineering accuracy

Collaborative team player with strong communication skills

Proactive mindset focused on innovation and continuous improvement

Comfortable managing multiple priorities in an international environment



What makes this opportunity exciting

A role with full ownership of innovative product development projects

The opportunity to design products from concept through industrialization

Exposure to multidisciplinary teams and international engineering projects

A position combining mechanical design, technical analysis, testing and industrialization

The chance to directly influence product performance, innovation and future developments


What you will find at Rotarex

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

Real opportunities for training, development and career growth

Flexible working hours (depending on the position) promoting a healthy work-life balance

An attractive benefits package including additional holidays, bonuses and social benefits

A new Industry 4.0 manufacturing site in Bissen, offering an ultra-modern working environment (canteens, fitness center, free parking, electric vehicle charging stations, air-conditioned facilities...)

Easy access to the site

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

Company events that foster team spirit and collaboration
Proposed contract:
Number of positions :1
Contract type:CDI
Job location : Lintgen (Lintgen)
Hours per week : 40 h
Required profile:
Required languages : English - C
Contact :
  • 24,rue de Diekirch
    L-7440Lintgen
How to apply :
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