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Senior Principal Scientist, Biologics Discovery Process Research Integrator – Protein Expression and Scale-Up

Job in Spring House, Montgomery County, Pennsylvania, 19477, USA
Listing for: 6084-Janssen Research & Development, LLC Legal Entity
Full Time position
Listed on 2026-08-26
Job specializations:
  • Research/Development
    Research Scientist, Biotech Research, Pharmaceutical Science/ Research, Biotechnology
Salary/Wage Range or Industry Benchmark: 180000 - 240000 USD Yearly USD 180000.00 240000.00 YEAR
Job Description & How to Apply Below
Location: Spring House

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and Med Tech, 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  As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.

Job Function:
Discovery & Pre-Clinical/Clinical Development

Job Sub Function:
Biotherapeutics R&D

Job Category:
Scientific/Technology

All Job Posting Locations:
Malvern, Pennsylvania, United States of America, Spring House, Pennsylvania, United States of America

Job Description

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

We are searching for the best talent for a Senior Principal Scientist, Biologics Discovery Process Research (BDPR) Integrator - Protein Expression and Scale-Up to be located in Spring House, PA or Malvern, PA.

Purpose

The Senior Principal Scientist, BDPR Integrator will serve as a cross-functional integrator within Biologics Discovery Process Research, connecting Discovery, Therapeutic Development & Supply (TDS), Chemistry, Manufacturing and Controls (CMC), and process development teams to advance biologics programs from discovery through early development. The role will provide integrative technical leadership grounded in mammalian expression, cell line development, and scale-up expertise, ensuring that expression feasibility, manufacturability, productivity, product quality, and scalable production considerations are incorporated into molecule selection, material supply planning, and program strategy.

The preferred candidate is not only a deep technical expert in mammalian expression systems, stable cell line development, clone selection, and upstream process scale-up, but also an effective integrator who can translate technical data into development recommendations, align partners across functions, and proactively identify risks that could impact downstream development or CMC readiness.

Responsibilities
  • Serving as the TDS scientific integrator on Discovery project teams, aligning strategy, data expectations, and technical risk assessment across Discovery and Development.
  • Ensuring mammalian expression, cell line development, manufacturability, and scale-up considerations are incorporated into discovery and early development decisions.
  • Connecting Discovery, TDS, CMC, and process development teams to align technical expectations, material supply strategies, data packages, and development readiness criteria.
  • Providing expert input on mammalian expression system selection, transient and stable expression approaches, vector and host cell considerations, clone screening, productivity, product quality, and manufacturability.
  • Designing, interpreting, and integrating studies that assess expression feasibility, cell line performance, upstream process robustness, and early scale-up risk to support molecule selection and program strategy.
  • Identifying and communicating technical risks related to low productivity, poor product quality, cell line instability, material supply constraints, scale-up limitations, and manufacturability challenges.
  • Translating complex technical findings into clear recommendations, mitigation plans, and decision-enabling narratives for program teams, governance forums, and cross-functional partners.
Qualifications / Requirements

Education:

PhD in Cell Biology, Molecular Biology, Biochemistry, Chemistry, Biomedical Engineering, Biotechnology or a closely related field is required.

Experience and Skills:

Required:

  • A minimum of 10 years of biopharmaceutical R&D experience with significant focus on mammalian expression, stable cell line development, upstream process development, and biologics development integration.
  • Deep technical expertise in mammalian expression systems, including CHO or other relevant host cell platforms, vector design considerations, transient and stable expression, clone generation, clone screening, and cell line characterization.
  • Demonstrated experience connecting small-scale expression, clone selection, and early process development data to scale-up strategies and development-relevant bioreactor systems.
  • Strong understanding of…
Position Requirements
10+ Years work experience
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