Senior Mechanical Design Engineer
Lonza
Senior Mechanical Design Engineer
Lonza
Global life sciences contract manufacturer
Senior Mechanical Design Engineer
Location: Bornem
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 specification of buy 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
An inclusive and ethical workplace
Compensation programs that recognize high performance
A variety of benefits dependent on role and location
The full list of our global benefits can be also found on https://www.lonza.com/careers/benefits.
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:
Master degree in Engineering or equivalent
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.
Lonza is a global provider of development and manufacturing services for the pharmaceutical, biotechnology, and nutrition sectors. It supports clients from early development through to commercial production, offering integrated processes such as process development, GMP manufacturing, formulation, fill-finish, and quality assurance to bring medicines and nutrition products to market. Lonza’s model is built on end-to-end CDMO capabilities, enabling companies to move from concept to scalable, compliant production with reliable supply chains. What sets Lonza apart is its long history and global footprint, combining decades of experience across chemistry, biology, and nutrition with a broad, end-to-end service network that supports projects from discovery to commercialization. The company aims to be a trusted, long-term partner in life sciences by helping customers efficiently develop and manufacture their products at scale while maintaining strict regulatory and quality standards.
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