Associate Scientist, Downstream Processing

6084-Janssen Research & Development, LLC Legal Entity; Malvern (Chester County); On-site; USD 75,000 - 105,000; Full time

Job summary

Johnson & Johnson in Malvern, PA, is seeking an Associate Scientist, Downstream Processing, to support purification development for biotherapeutics in early-phase projects. The role emphasizes chromatography and filtration, bench-scale experiments, and rigorous documentation to meet program timelines.

You will collaborate with upstream, analytical, and formulation teams to drive process characterization, scale-up, and technology transfer, while ensuring data integrity and EHSS compliance.

Qualifications

• BS or MS in Chemical Engineering, Biochemistry, Biotechnology, or related field.
• 0–5 years for BS; 0–3 years for MS experience in protein purification/bioprocessing.

Responsibilities

• Define work packages and purification strategies for NME candidates in early-phase clinical manufacturing.
• Execute chromatography and filtration experiments focusing on product quality and recovery.
• Assist in process characterization, scale-up, and technology transfer of downstream operations.
• Collaborate cross-functionally with upstream, analytical, formulation, and manufacturing teams to meet program timelines.
• Author and review technical or regulatory documents; maintain compliant records.

Skills

Analytical reasoning

Collaboration

Problem solving

Written expression

Self-motivated

Education

BS in Chemical Engineering/Biochemistry/Biotechnology or related

MS in Chemical Engineering/Biochemistry/Biotechnology or related

Tools

MS Office

Akta FPLC

Job description

Job Description:

We are searching for the best talent for our Associate Scientist, Downstream Processing position, to be located in Malvern, PA.

About Innovative Medicine Our expertise in Innovative Medicine is informed and inspired by patients, whose insights fuel our science-based advancements. Visionaries like you work on teams that save lives by developing the medicines of tomorrow. Join us in developing treatments, finding cures, and pioneering the path from lab to life while championing patients every step of the way. Learn more at https://www.jnj.com/innovative-medicine

Purpose:

The Associate Scientist, Downstream Processing supports biologics purification process development within the Protein Therapeutics API Development (Downstream Purification) organization. This role will support purification process development for protein therapeutics. The Associate Scientist will assist in design, execution, and documentation of bench-scale laboratory experiments for protein purification operations including chromatography (affinity, ion-exchange, hydrophobic interaction) and filtration (UFDF, TFF, depth filtration). This person will contribute individually and as part of a team to meet project timelines and objectives with an emphasis on early-phase process development for preclinical therapeutics. The Associate Scientist will also maintain compliance with data documentation, safety, and other company policies and procedures.

You will be responsible for:

• Defining work packages and streamlining purification development strategies for new molecular entity (NME) candidates to support early phase clinical manufacturing of biotherapeutics (monoclonal antibodies, bi/multi-specific antibodies, bioconjugates, and other)
• Executing chromatography and filtration experiments with a focus on product quality attributes, product recovery, and manufacturing facility fit constraints
• Assisting in process characterization, process scale-up, and technology transfer of downstream unit operations
• Working cross functionally with upstream (cell culture), analytical development, formulation sciences, and manufacturing organizations to meet overall program deliverables and timelines
• Authoring and reviewing technical or regulatory documents
• Keeping accurate records, following instructions, and complying with company and EHSS policies.
• Capturing data accurately and in a timely manner, maintain detailed records in compliance with applicable cGLP, safety, and environmental requirements.

Qualifications / Requirements:

Required:

• B.S degree in Chemical Engineering, Biochemistry, Biotechnology, or related discipline with 0 - 5 years of relevant experience OR M.S degree in Chemical Engineering, Biochemistry, Biotechnology, or related discipline with 0 - 3 years of relevant experience.
• Familiarity with protein purification, bioprocessing, or related scientific methodology
• Basic understanding of experimental design, performance, and analysis
• Self-motivated and eager to learn
• Strong written and verbal communication skills
• Highly organized and capable of working in both a team environment and individually with limited supervision
• Proficiency in MS Office (Excel, Word, PowerPoint)

Preferred:

• Solid understanding of statistical experimental design and analysis (DoE methodology)
• Hands-on experience working with Akta fast protein liquid chromatography (FPLC) systems
• Hands-on experience in protein bioprocessing techniques such as chromatography, filtration (depth, tangential flow, UFDF), and/or analytical methods (SDS-PAGE, UV/Vis, etc.)
• Experience working with statistical design software such as JMP, minitab, or related programs

Johnson & Johnson is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability, protected veteran status or other characteristics protected by federal, state or local law. We actively seek qualified candidates who are protected veterans and individuals with disabilities as defined under VEVRAA and Section 503 of the Rehabilitation Act. Johnson & Johnson is committed to providing an interview process that is inclusive of our applicants’ needs. If you are an individual with a disability and would like to request an accommodation, external applicants please contact us via https://www.jnj.com/contact-us/careers , internal employees contact AskGS to be directed to your accommodation resource. If you are under 18 years of age you (the candidate) may need to obtain the necessary working papers or other documentation required by state law to start the assignment, as well as get a parent’s consent for the background check #LI-Onsite

Preferred Skills:

• Analytical Reasoning
• Biochemistry
• Chemistry
• Manufacturing, and Control (CMC)
• Clinical Trial Protocols
• Collaboration
• Data Quality
• Drug Discovery Development
• Execution Focus
• Molecular Diagnostics
• Pharmacogenetics
• Problem Solving
• Research Documents
• Scientific Research
• Technologically Savvy
• Troubleshooting
• Written Expression

At Johnson & Johnson,we believe health is everything. Our strength in healthcare innovation empowers us to build aworld where complex diseases are prevented, treated, and cured,where treatments are smarter and less invasive, andsolutions are personal.Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity.Learn more at https://www.jnj.com/.