Senior Mechanical Design Engineer

Lonza; Town of Belgium (WI); On-site; Confidential; Full time

Benefits offered by this job

Agile career culture

Compensation programs recognizing high

Location-based benefits

Job summary

Lonza is seeking a Senior Engineer, R&D Mechanical Design to drive the design of mechanical assemblies from concept to manufacturing drawings within our global technology program.

You will use advanced tools for FEA and motion simulations, lead design reviews, and ensure successful transfer of designs to manufacturing while coaching drafting staff for efficiency and quality.

Qualifications

• 10 years experience in mechanical design.
• Extensive experience with state-of-the-art machinery development.
• Fluency in Dutch and English.

Responsibilities

• Translate customer requirements into innovative designs and participate in design reviews.
• Assemble prototype designs and apply learnings to optimize the final product.
• Ensure transfer of technology and design specs to manufacturing across project phases.
• Focus on safety, environmental aspects, noise reduction, robustness and maintainability.
• Identify wear parts early and minimize them, balancing investment and maintenance costs.
• Produce accurate assembly/detailed drawings and parts lists with proper filing.
• Request quotes for fabrication and track deliveries to ensure quality.
• Serve as the CAD software go-to expert, maintain drawing standards, and manage DCRs.
• Coach, support, and train contract draftsmen to be productive quickly.

Skills

10 years experience

Interpersonal skills

Problem solving

Independent work

Tools

FEA software

Motion simulations

Job description

The Senior Engineer, R&D Mechanical Design will be responsible for the design of various mechanical assemblies, from 3D conceptual, over required calculations and simulations, to detailed manufacturing drawings and specifications of bought parts, as part of our global technology development activities and as a member of the specific project team. This role uses advanced software tools, enabling FEA and motion simulations.

What you will get:

• An agile career and dynamic working culture
• Compensation programs that recognize high performance
• A variety of benefits dependent on role and location

The full-time annual base pay for this position in Belgium is expected to range between 75.000,- EUR and 105.000,- EUR. Initial salary placement within this range will be determined based on role‑related factors such as experience, qualifications, and expected contribution.

What you will do:

• Translate customer requirements into innovative designs and organize/participate in design reviews during the design phase.
• Actively participate in the assembly of your prototype designs and implement key learnings to optimize the final product.
• Ensure a smooth transfer of technology and design specifications to the manufacturing facilities throughout the project phases.
• Focus on safety and environmental aspects (e.g., noise reduction) while ensuring high functional levels, robustness, and ease of maintenance.
• Identify wear parts during the conceptual phase and minimize them, balancing investment against repair and maintenance costs.
• Produce accurate assembly/detailed drawings and parts lists, ensuring proper electronic filing and database management.
• Request quotes for fabrication and trade purchase items, and closely follow up on deliveries to guarantee high component quality.
• Act as the internal go-to expert for the CAD software, safeguard drawing standards, and execute Design Change Requests (DCRs) promptly.
• Daily coach, support, and train (temporary) contract draftsmen to get them up to speed and operational as efficiently as possible.

What we are looking for:

• 10 years experience mechanical designing
• Extensive experience in state of the art machinery development
• Proven experience and interest in new technologies
• Strong interpersonal and problem solving skills, enabling you to collaborate with other teams as well as to work independently
• Flexible and creative mindset
• Strong pragmatic skills with the ability to balance efficiency and quality, combined with an eye for detail to ensure accurate and polished results
• Fluency in Dutch and English

About Lonza

At Lonza, our people are our greatest strength. With 30+ sites across five continents, our globally connected teams work together every day to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion and Integrity reflect who we are and how we work together. Everyone’s ideas, big or small, have the potential to improve millions of lives, and that’s the kind of work we want you to be part of.

Innovation thrives when people from all backgrounds bring their unique perspectives to the table. At Lonza, we value diversity and are committed to creating an inclusive environment for all employees. If you’re ready to help turn our customers’ breakthrough ideas into viable therapies, we look forward to welcoming you on board.

Ready to shape the future of life sciences? Apply now.