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Sr Manufacturing Technician


Job Location:

Leiden - Netherlands

Monthly Salary: Not provided by the employer
Posted: 22 August 2026 (13 days ago)
Application Deadline: 19 November 2026
Vacancies: 1 Vacancy

Job Summary

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Some degree of PPE (Personal Protective Equipment) required (safety glasses gowning gloves lab coat ear plugs etc.)

Job Description

Senior Manufacturing Technician

As a Senior Manufacturing Technician at Thermo Fisher Scientific you will play an important role in supporting the advancement of biopharmaceutical research and development. Your primary responsibility will be to execute maintain and continuously improve the small-scale manufacturing of custom Research Use Only (RUO) products for the biopharmaceutical industry.

Our products are based on specialized ligands consisting of single-chain antibody fragments derived from genetically modified yeast.

Key Responsibilities

In this dynamic and hands-on role you will:

  • Play an integral role in executing and improving manufacturing processes within our state-of-the-art facility.
  • Learn operate and maintain advanced technologies used in the manufacturing of biological products.
  • Perform small-scale manufacturing activities in accordance with established procedures and quality requirements.
  • Contribute to the continuous improvement of manufacturing processes documentation and operational efficiency.
  • Collaborate closely with colleagues across Manufacturing Quality and Supply Chain to ensure reliable product availability.
  • Support the training and mentoring of new employees and contribute to knowledge sharing within the team.
Manufacturing Activities

Your manufacturing responsibilities will include:

  • Lab scale resin manufacturing
  • Preparation of conjugates using our ligands including Biotin HRP and Alexa dyes.
  • Filling and packaging approved products in the required quantities and formats including boxes tubes and bottles.
Testing and Quality Control Activities

In addition to manufacturing activities you will perform and support a range of analytical and quality control tests including:

  • Sandwich Leakage ELISA using a Tecan automated platform.
  • Direct ELISA performed manually for HRP-conjugated products.
  • Octet analysis for Biotin-conjugated products.
  • Dynamic Binding Capacity (DBC) testing using an ÄKTA system for resin products.
  • DBC testing using magnetic separation for magnetic bead products.

You will ensure that manufacturing and testing activities are accurately documented and performed in accordance with applicable procedures and quality standards.

Qualifications and Experience

The successful candidate will ideally have:

  • A Bachelors degree or MBO-4 qualification in Biosciences Biotechnology Bioprocess Technology or a related discipline.
  • A minimum of 2 years of relevant professional experience.
  • Demonstrated experience in a manufacturing environment preferably within the biotechnology life sciences or pharmaceutical industry.
  • Fluency in English both written and spoken.
  • The ability to work effectively both independently and as part of a team.
  • Proficiency in Microsoft Office including Outlook Excel and Word.
  • The ability to adapt quickly and effectively to changing priorities and operational requirements.
  • Strong communication analytical and problem-solving skills.
  • Effective training and mentoring skills with the ability to support the onboarding and development of new employees.
  • Strong planning prioritization and organizational skills.
  • Excellent documentation and technical writing capabilities.
  • Experience working within an ISO 9001 quality management system.
  • Experience working with an ERP system is considered an advantage.

This position offers the opportunity to combine hands-on manufacturing analytical testing process improvement and collaboration in a technically advanced environment supporting innovative products for biopharmaceutical research.



What We Offer:

Performance Related Bonus where eligible
Annual merit performance-based increase

Excellent Benefits
Medical benefits
Paid Time Off/Annual Leave
Employee Referral Bonus
Career Advancement Opportunities


Required Experience:

Senior IC


About Company

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