Associate Scientist, Downstream Processing

Johnson & Johnson · Malvern, PA

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Role summary

Johnson & Johnson seeks an Associate Scientist to support biologics purification process development for protein therapeutics in Malvern, PA. The role involves designing and executing bench-scale chromatography and filtration experiments, collaborating across functional teams, and maintaining regulatory compliance for early-phase biotherapeutic manufacturing.

What they're looking for

B.S. in Chemical Engineering, Biochemistry, Biotechnology, or related field with 0–5 years experience; or M.S. with 0–3 years experience
Familiarity with protein purification, bioprocessing, or related scientific methodologies
Basic understanding of experimental design, performance, and data analysis
Strong written and verbal communication skills
Proficiency in MS Office applications (Excel, Word, PowerPoint)
Ability to work independently and in team environments with limited supervision
Self-motivated and eager to develop new capabilities

What you'll be doing

Design and execute chromatography and filtration experiments for protein therapeutics purification
Develop purification strategies for new molecular entity candidates in early clinical phases
Support process characterization, scale-up, and technology transfer of downstream unit operations
Collaborate with upstream, analytical, formulation, and manufacturing teams on program deliverables
Prepare technical and regulatory documentation; maintain accurate records per cGLP and safety requirements

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