Mechanical Technician Leiden • SIRE Life Sciences

The company
The organization is a globally recognized pharmaceutical manufacturer specializing in the production of complex biologic medicines. Based in the Netherlands, the facility supports both clinical and commercial manufacturing within a regulated GMP environment. Operations include production, quality control, and technical support for biologics used in the treatment of serious health conditions.
As part of a broader international healthcare group, the company emphasizes innovation, compliance, and continuous improvement, contributing to the reliable supply of high-quality therapeutic products to markets worldwide.

Role Description
About the Role Due to expansion at our Leiden facility, Johnson & Johnson is seeking skilled All-round Maintenance Technicians to support 24/7 production operations. You will play a crucial role in ensuring uninterrupted production by handling first-line technical issues and preventive maintenance. You’ll join a dynamic, multicultural team, supporting both production and utility systems in a high-tech, regulated environment focused on pharmaceutical innovation. Key 

Responsibilities

• Troubleshoot and resolve first-line mechanical and electrical breakdowns in production and utility systems.
• Identify root causes and escalate complex issues to the appropriate departments.
• Perform preventive maintenance and support equipment improvements.
• Participate in team briefings and prioritize daily work orders in coordination with operations.
• Work with technical documentation and contribute to compliance reporting (GMP, safety, SOPs).
• Occasionally support building installation maintenance tasks.
• Ensure all maintenance activities meet safety, quality, and GMP standards

• Minimum MBO 4 in Electrical Engineering, Mechatronics, or similar.
• MBO 3 may be considered with solid hands-on experience.
• Bachelor’s degree is acceptable if clearly motivated to pursue a hands-on technician role long-term.
• No Master’s degree holders, as this is a fully practical role.
• Fluent in Dutch (mandatory) and good command of English.
• Valid Category B driver’s license (especially important for night shifts).
• Willingness to commit long-term (learning curve can take up to 2 years).
• Strong analytical and problem-solving skills.
• Motivated, proactive, and eager to learn in a demanding technical environment
• Combined mechanical and electrical troubleshooting experience.
• Able to identify electrical faults (e.g., open POCs, understand VFD operations, basic PLC diagnostics).
• Familiarity with industrial production environments (pharma, food, chemicals, or similar).
• Experience with small biochemical reactors and utility systems is a strong plus. Ability to interpret and work with technical documentation.

• GMP experience
• Background in oil & gas
• Familiarity with MES, LIMS, CDS, or automation systems
• Basic understanding of PLCs (no programming required)

• Collaborative team-based structure (5-week shift rotation model: 3-4-3).
• Teams consist of utility operators and multi-skilled maintenance technicians.
• Exposure to advanced pharmaceutical systems, continuous learning, and personal development opportunities.
• Use of company vehicles during work hours; personal commute is your own responsibility

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