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Johnson & Johnson

Senior Associate Scientist

Posted Jan 7, 2026
Job ID: JJJP00024805
Location
Leiden
Hours/week
40 hrs/week
Timeline
1 year
Payrate range
Unknown

Sr Associate Scientist


Location: Sassenheim, the Netherlands 

Duration: 12 months

Hours: 40

Imagine your next project


Join a team at the forefront of healthcare innovation where you will manage process technology strategies for Advanced Therapies, directly impacting the life cycle of commercial production processes that touch lives globally.

Roles and responsibilities


As a member of the MSAT Life Cycle Management (LCM) Team, you will focus on New Product Introduction, validation, and process improvements.

This will involve:

  • Leading and supporting Life Cycle Management and Tech Transfer projects.

  • Driving the introduction of new technologies and digitalization projects at the site.

  • Acting as a Subject Matter Expert (SME) in USP and/or DSP for pharmaceutical proteins and vaccines.

  • Defining and executing process validation strategies conform to site standards and Johnson & Johnson guidelines.

  • Managing complex investigations, facilitation of risk assessments, and representing the site in global project teams.

  • Serving as the primary interface between Site Operations, Quality, R&S, and the global MSAT organization.

How to succeed


You are a technical leader with extensive experience in aseptic processing and a proven track record of managing complex projects independently. You will also bring:

  • A BS degree with 7+ years of experience, or an advanced degree (MS/MBA/Ph.D.) with 4+ years of relevant experience.

  • Deep scientific expertise in pharmaceutical manufacturing and technical core areas.

  • The ability to troubleshoot complex problems and suggest effective resolutions.

  • Experience coaching and training others while working effectively as part of a collaborative team.

  • Strong communication skills to explain technical issues to diverse business partners.

  • A proactive mindset to support budget and resource planning and define departmental goals.

Benefits


This role offers a very competitive hourly rate. This contract will run for a 12 month CONTRACT DURATION.


you are welcome here


Johnson & Johnson is working to create an inclusive environment where diverse backgrounds, perspectives, and experiences are valued and each and every one of our people feels that they belong and can reach their potential. No matter who they are.

about Johnson & Johnson Innovative Medicine


Patients inform and inspire our science-based innovations, which continue to change and save lives. Applying rigorous science and compassion, we confidently address some of the most complex diseases of our time and unlock the potential medicines of tomorrow. Our diverse portfolio spans multiple therapeutic areas — Oncology, Immunology, Neuroscience, Cardiovascular, Pulmonary Hypertension, and Retina. We are continuously working to develop treatments, aspiring to find cures, pioneering the path from lab to life, and championing patients every step of the way.

application process


We are looking to process the first round of applications within the next 2 working days. We do not accept applications via email.

Diversity, Equity & Inclusion


For more than 130 years, diversity, equity & inclusion (DEI) have been part of our cultural fabric at Johnson & Johnson and woven into how we do business every day. Our commitment to respect the dignity and diversity of all is embedded in our Credo. We know that the success of our business depends on having the best talent in a workforce that reflects the diverse markets we serve around the world and an inclusive culture that values different perspectives and life experiences. That is why we are working to create an inclusive environment where diverse backgrounds, perspectives and experiences are valued and each one of our people feels that they belong and can reach their potential. No matter who they are. Diversity, Equity & Inclusion at Johnson & Johnson means “You Belong”. 


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