(Junior) QC Officer

As a QC Officer, you play a key role in ensuring timely and compliant laboratory testing. You will work with raw materials, in‑process samples, finished goods, stability studies, and validation samples. The techniques available in the QC lab are XRD, FTIR, SEM, titration, ICP-MS, SEM, Particle Size Distribution by laser diffraction and sieving, and S-BET.

Depending on your level (Junior/Medior), you will perform the following tasks with increasing autonomy:

·         Receiving, logging, sampling, and storing materials

·         Performing chemical and physical analyses

·         Operating analytical instruments and preparing reagents

·         Recording and reviewing data according to ALCOA+

·         Supporting OOS/OOT investigations

·         Executing calibration checks and maintaining lab equipment

·         Assisting with method validation, method transfers, and stability studies

·         Maintaining inspection‑ready documentation and supporting audits

·         Contributing to continuous improvement and CAPA activities

Skills and experience: 

Junior QC Officer

·         Basic knowledge or strong willingness to learn GMP/GLP

·         Accurate, analytical, and eager to grow in laboratory skills

Medior QC Officer

·         Solid understanding of GMP requirements

·         Confident with laboratory instrumentation and routine testing

·         Strong analytical and documentation skills

What we offer:

·         An annual salary tailored to your experience (34k to 39k)

·         27 holidays (216 hours) per year based on a full‑time contract

·         8% holiday allowance (paid in May)

·         4% Individual Choice Budget (e.g., additional leave, sports allowance, bicycle plan, or payout)

·         Comprehensive onboarding and training

·         A dynamic and supportive environment with opportunities for development

·         Exposure to advanced analytical methods and manufacturing processes

·         A collaborative and ambitious team culture

·         An inspiring and informal workplace on the Leiden Bio Science Park

·         And yes, we celebrate successes together — with cake!

General qualities we value:

·         High attention to detail and accuracy

·         Strong learning ability and proactive attitude

·         Good communication skills

·         Ability to work independently and collaboratively

·         Integrity and ownership of responsibilities

Your Profile:

Junior QC Officer

·         Bachelor’s degree in Chemistry or related field

or MSc in Chemistry (no experience required)

Medior QC Officer

·         Bachelor’s degree + ≥3 years’ experience in analytical chemistry or QC

or MSc + ≥1 year experience in analytical chemistry or QC