Senior Scientist, Protein Analytics & Method Development

Johnson Johnson; Malvern (Chester County); On-site; USD 110,000 - 150,000; Full time

Job summary

Johnson & Johnson in Malvern, PA seeks two Senior Scientists to support Proteins Analytical Development. You will develop, validate, and transfer separation assays for biotherapeutics including mAbs and ADCs, contributing to clinical and commercial programs.

Ideal candidates have strong biochemistry expertise, hands-on electrophoresis and chromatography experience, and the ability to lead projects across teams.

Qualifications

• Ph.D. with 2+ years of biochemical work experience.
• Strong biochemistry background and analytical problem-solving skills.
• Hands-on experience in protein isolation and separation techniques (electrophoresis, chromatography).

Responsibilities

• Develop, validate, and transfer biochemical methods (CE, HPLC) for biopharmaceuticals.
• Serve as analytical technical expert during method development, investigations, and inspections.
• Lead analytical projects and collaborate with cross-functional teams from early to late-stage development.
• Prepare and review protocols, technical reports, and regulatory documentation (INDs/BLAs).
• Improve laboratory operations for GMP compliance and efficiency.

Skills

Biochemistry

Analytical problem solving

Protein isolation

Electrophoresis

Chromatography

Method development

DoE

Data analysis

Scientific writing

Leadership

Cross-functional collaboration

Education

Ph.D. with 2+ years

Master's degree with 5+ years

Bachelor's degree with 12+ years

Tools

Capillary electrophoresis (CE)

HPLC

Protein purification

Job description

Johnson & Johnson in Malvern, PA seeks two Senior Scientists to support Proteins Analytical Development. You will develop, validate, and transfer separation assays for biotherapeutics including mAbs and ADCs, contributing to clinical and commercial programs.

Ideal candidates have strong biochemistry expertise, hands-on electrophoresis and chromatography experience, and the ability to lead projects across teams.