> Markdown version of [/jobs/ext/4090098-senior-design-engineer](https://www.wearedevelopers.com/jobs/ext/4090098-senior-design-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Design Engineer - **Company:** Avantor - **Location:** Hillegom, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** 3d Models, Computer-Aided Design, AutoCAD, SolidWorks (CAD), Epicor ERP - **Published:** October 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=77ae0e94234902c8 ## About the Role * Bachelor's degree in Mechanical Engineering, Operational Technology, or a related engineering discipline. * Minimum 3-5 years of experience in design engineering, manufacturing, or technical engineering environment. * Strong 2D and 3D design experience using AutoCAD and SolidWorks (or similar CAD platforms). This is a must-have. * Experience working with ERP systems such as Epicor or similar. This is essential. * Ability to read, understand, and evaluate technical drawings and specifications. * Strong problem-solving and analytical skills. * Excellent written and verbal communication skills in English. * Customer-centric mindset with the confidence to interact with both internal and external stakeholders. Preferred * Experience designing single-use products or systems. * Experience within the biopharmaceutical, pharmaceutical, or life science industry. * Master's degree (MSc) in Engineering or a related field. * Experience with piping/tubing systems, P&IDs, plastic materials, elastomers, and GD&T. Who You Are We're looking for someone who is: * Proactive and takes ownership * Outgoing and approachable * An outstanding communicator * Highly collaborative and customer-focused * Comfortable working in a fast-paced international environment * Hands-on and practical in solving engineering challenges * Equally capable of working independently and as part of a cross-functional team While an MSc degree is considered a plus, hands-on engineering experience and proven design expertise are far more important for success in this role. ## Description At Avantor, we are looking for a proactive and customer-focused Senior Design Engineer to join our growing Single-Use Design Team. This is an exciting opportunity for an experienced engineer professional who enjoys combining technical expertise with customer interaction in a dynamic biopharma environment. You will play a critical role in designing and developing customized single-use assemblies, translating customer requirements into manufacturable solutions, and collaborating closely with Sales, Production, Quality, and Supply Chain teams. What You'll Do * Design and develop approval drawings and prototypes for single-use assemblies. * Create and modify detailed 2D and 3D engineering drawings, primarily using AutoCAD and SolidWorks, or similar CAD software. * Evaluate designs to ensure functionality, manufacturability, and compliance with customer requirements. * Select appropriate components and validate designs through testing and analysis. * Conduct feasibility studies, cost estimations, and pricing calculations. * Create and maintain Bills of Materials (BOMs) and Method of Manufacturing (MOM) documentation within the ERP system. * Support manufacturing and quality teams with engineering-related expertise. * Collaborate directly with customers, suppliers, and internal stakeholders to deliver innovative solutions. * Participate in global engineering harmonization and process improvement initiatives. * Support customer visits and occasionally travel to customer locations alongside the commercial team.