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Keywords: Principal Scientist, Location: Pennsylvania

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Principal Scientist, Nonclinical Safety Lead

Medicine R&D is recruiting for a Principal Scientist, Nonclinical Safety Lead within Preclinical Sciences and Translational... Safety (PSTS). This position is a hybrid role and will be located in Spring House, PA. As a Principal Scientist...

Location: Spring House, PA
Posted Date: 14 Feb 2026

Principal Scientist, Analytical Comparability & Product Characterization – Advanced Therapies

. Learn more at https://www.jnj.com/innovative-medicine We are searching for the best talent for a Principal Scientist... Development - Analytical Development (BioTD - AD) group is seeking an upbeat, highly motivated Principal Scientist to focus...

Location: Malvern, PA
Posted Date: 11 Feb 2026

Principal Scientist, External Analytical

. Learn more at https://www.jnj.com/innovative-medicine We are searching for the best talent for a Principal Scientist... in our Biotherapeutics portfolio. The Analytical Scientist will act as an analytical Subject Matter Expert (SME) and have various...

Location: Malvern, PA
Posted Date: 11 Feb 2026

Principal Scientist, Lentivirus Upstream Process

to join our Lentivirus Small Scale PD team as a Principal Scientist. You will be responsible for: You will integrate into the upstream.... Learn more at https://www.jnj.com/innovative-medicine We are seeking a highly motivated and experienced scientist...

Location: Spring House, PA
Posted Date: 09 Feb 2026

Principal Scientist, Vaccine Drug Product Development

a Principal Scientist to join our department in West Point, PA. Our mission is to develop novel vaccine drug products...

Company: MSD
Location: West Point, PA
Posted Date: 06 Feb 2026

Principal Scientist, Drug Product Steriles Primary Packaging

Principal Scientist, Drug Product Steriles Primary Packaging Onsite role located at Upper Providence, PA At GSK...

Company: GlaxoSmithKline
Location: Pennsylvania
Posted Date: 06 Feb 2026

Principal Scientist, Material Characterization

Principal Scientist, Material Characterization Onsite role based in Upper Providence, PA At GSK, we have bold...

Company: GlaxoSmithKline
Location: Pennsylvania
Posted Date: 04 Feb 2026

Principal Scientist, Microbiologist

Principal Scientist, Microbiology This position will initially be located at the GSK’s Upper Merion site in Upper...

Posted Date: 04 Feb 2026

Senior Principal Scientist, Clinical Research, Endometrial Cancer

Job Description The Senior Clinical Director (Senior Principal Scientist) has primary responsibility for planning...

Company: MSD
Posted Date: 01 Feb 2026

Principal Scientist – Translational Science – Neurodegeneration

As Principal Scientist in the Translational Unit within the Translational and Development Sciences (TDS) team.... This is a lab-based bench scientist position located at the GSK – Upper Providence, Pennsylvania (USA) site. This role...

Company: GlaxoSmithKline
Location: Pennsylvania
Posted Date: 01 Feb 2026

Principal Scientist, Cell Based Sciences AR&D

, PA is seeking a Principal Scientist with technical expertise in developing large molecule potency assays. In this role...

Company: MSD
Location: West Point, PA
Posted Date: 31 Jan 2026

Principal Scientist, Biostatistics

that advance the prevention and treatment of diseases in people and animals. As a Principal Scientist in Biostatistics..., manufacturing, and marketing of medical drugs and vaccines for the benefit of patients and global human health. Principal...

Company: MSD
Posted Date: 31 Jan 2026

Senior Principal Scientist II, In Silico Biologics

. Learn more at Johnson & Johnson Innovative Medicine (JJIM) is currently seeking a Senior Principal Scientist II, In Silico..., PA. Job Description The Senior Principal Scientist II will work with a core group of scientists and data scientists in executing the strategy...

Location: Spring House, PA
Posted Date: 29 Jan 2026

Principal Scientist, Cell Therapy Process Development

best talent for the best Principal Scientist, Cell Therapy Process Development to be in Spring House, PA. Purpose...: We are seeking an energetic, highly motivated, and creative Principal Scientist to join us in our mission to improve next generation...

Location: Spring House, PA
Posted Date: 24 Jan 2026

Senior Principal Scientist, AI/ML for Drug Discovery and Development - Data Sciences Analytics & Insights, Data Sciences

Johnson & Johnson Innovative Medicine is recruiting for a Senior Principal Scientist - AI/ML to help advance AI/ML for Drug..., neuroscience, and infectious disease. We are looking for a highly motivated and innovative Senior Principal Scientist who will work...

Location: Spring House, PA
Posted Date: 23 Jan 2026

Sr. Principal Scientist, Neurodegeneration

Senior Principal Scientist, Neurodegeneration Company Overview At GSK, we have bold ambitions for patients, aiming...

Company: GlaxoSmithKline
Location: Pennsylvania
Posted Date: 16 Jan 2026

Associate Principal Scientist, Drug Metabolism & Pharmacokinetics

and Pharmacokinetics (DMPK) group. The Associate Principal Scientist will be a key contributor to multi-disciplinary drug discovery...-functional scientists to discover and develop therapeutics across various modalities. The Associate Principal Scientist...

Company: MSD
Location: West Point, PA
Posted Date: 15 Jan 2026

Principal Scientist, Neurology

from a talented and driven Principal Scientist, Neurology to join our Respiratory Immunology Inflammatory Research Unit (RIIRU) at GSK...

Company: GlaxoSmithKline
Location: Pennsylvania
Posted Date: 10 Jan 2026

Principal Scientist, Engineering

Job Description Join Our Team as a Biologics Drug Substance Commercialization Leader Are you ready to take your career to the next level? We are seeking a strategic and technical leader with expertise in cell culture development & com...

Company: MSD
Location: West Point, PA
Posted Date: 14 Feb 2026

Principal Scientist

We are seeking a highly motivated individual to join our Molecular Design team in Molecular Modalities Discovery. At GSK, we aim to efficiently accelerate the discovery and development of transformational medicines through the integration o...

Company: GlaxoSmithKline
Location: Pennsylvania
Posted Date: 11 Feb 2026