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Principal Scientist

GSK
August 25, 2026
Remote friendly (Collegeville, PA)
United States
Clinical Research and Development
Position Summary:
Scientist in sterile drug product development focused on leading biopharmaceutical protein (e.g., mAbs, bispecific mAbs, ADCs) and peptide therapeutics drug product development for Clinical Phases 2–3 and commercialization.

Role Responsibilities:
- Matrix leadership and cross-department collaboration to progress drug product development.
- Laboratory experimentation using biophysical techniques.
- Conduct non-GMP protein formulation optimization and development stability studies.
- Perform in-use compatibility/stability assessments to support product administration.
- Support drug product process development, characterization, and technical transfer to GMP manufacturing.
- Author technical and regulatory documents; maintain accurate, complete electronic laboratory records.
- Use electronic data/information gathering, capture, archiving, and communications.
- Potential contribution to small-molecule drug product development (e.g., chemical entities, oligonucleotides).

Basic Qualifications (Required):
- PhD in Pharmaceutical Sciences/Chemistry/Biochemistry/Biology/Bioengineering/Biomedical/ Chemical Engineering with 0+ years protein formulation and/or process development; or MS with 5+ years industry experience; or BS with 7+ years industry experience.
- Experience authoring technical documents.

Preferred Qualifications:
- ADC experience.
- Bioanalytical interpretation for characterization and stability.
- Conventional/alternative protein formulation stability evaluation using DOE/statistical experimental design.
- Protein drug product process development (e.g., vial/PFS solution, lyophilization), container/closure and drug-delivery feasibility/compatibility.
- Biophysical characterization/stability (e.g., DSC, DSF/Uncle/Prometheus Panta, particle sizing, light scattering).
- Regulatory document authoring and critical review (IND/IMPD, BLA/MAA), especially late clinical phase; regulatory Q&A.
- Manufacturing technology transfer to commercial and/or scale-up.
- Experience with biopharm combination products.
- Strong independent and team/matrix communication; accurate lab records and electronic data management.