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Downstream Process Development Scientist Jobs in Pennsylvania

Provide expert consultation on upstream, downstream, analytical, and manufacturing strategies ... vaccine or biologics process development, with evidence of scientific impact and external ...

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Downstream Process Development Scientist information

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How much do downstream process development scientist jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for downstream process development scientist in Pennsylvania is $38.76, according to ZipRecruiter salary data. Most workers in this role earn between $28.41 and $46.25 per hour, depending on experience, location, and employer.

What is a downstream process development scientist?

A Downstream Process Development Scientist is responsible for developing and optimizing processes to purify biological products, such as proteins, antibodies, or vaccines, after they are produced in upstream bioprocessing. They work with techniques like filtration, chromatography, and centrifugation to refine and scale up purification methods for manufacturing. Their role involves ensuring product quality, improving yields, and troubleshooting any processing challenges. Scientists in this field collaborate with cross-functional teams, including upstream development, analytical sciences, and manufacturing, to ensure efficient and scalable bioprocesses.

What are the key skills and qualifications needed to thrive as a downstream process development scientist?

To thrive as a Downstream Process Development Scientist, you need expertise in biochemistry, chemical engineering, and purification techniques, typically supported by a relevant science degree or higher. Experience with protein chromatography systems, filtration equipment, and data analysis software is highly valued, along with familiarity with GMP and regulatory requirements. Strong analytical thinking, problem-solving abilities, and effective teamwork and communication are key soft skills for this position. These competencies are crucial for optimizing manufacturing processes and ensuring the successful scale-up of biologic products in a collaborative environment.

What typical challenges might a downstream process development scientist encounter in their daily work?

Downstream Process Development Scientists often face challenges related to optimizing purification processes to achieve high yield and product purity, while maintaining efficiency and scalability. They may need to troubleshoot issues with chromatography, filtration, or product stability, sometimes under tight timelines. Working closely with cross-functional teams—including upstream development, quality control, and manufacturing—is common for resolving complex technical problems. Adaptability and continuous learning are important, as methods and equipment may evolve based on project needs and technological advancements.

What are the most commonly searched types of Downstream Process Development Scientist jobs in Pennsylvania?

The most popular types of Downstream Process Development Scientist jobs in Pennsylvania are:

What are popular job titles related to Downstream Process Development Scientist jobs in Pennsylvania?

For Downstream Process Development Scientist jobs in Pennsylvania, the most frequently searched job titles are:

What job categories do people searching Downstream Process Development Scientist jobs in Pennsylvania look for?

The top searched job categories for Downstream Process Development Scientist jobs in Pennsylvania are:

What cities in Pennsylvania are hiring for Downstream Process Development Scientist jobs?

Cities in Pennsylvania with the most Downstream Process Development Scientist job openings:

Infographic showing various Downstream Process Development Scientist job openings in Pennsylvania as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 19% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $80,613 per year, or $38.8 per hour.

Senior Scientist, Downstream Process Development

Johnson & Johnson

Spring House, PA • On-site

Full-time

Posted 2 days ago

New


Johnson & Johnson rating

8.3

Company rating: 8.3 out of 10

Based on 112 frontline employees who took The Breakroom Quiz

25th of 86 rated pharmaceutical


Job description

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 jnj.com.

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:

Spring House, Pennsylvania, United States of America

Job Description:

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 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 atjnj.com.

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.

We are searching for the best talent for aSenior Scientist, Downstream Process Development to be in Spring House, PA.

Purpose:

The Senior Scientist, Downstream Process Development will lead development, optimization, and characterization of scalable purification processes for Lentiviral In-vivo therapeutic modalities, including biologics,and next-generation genetic medicines. This role will provide scientific leadership from early-stage development through clinical-stage readiness, withfocuson purification platform strategy, process robustness, scale-up, and implementation of advanced downstream technologies.

You will be responsible for:

  • Lead development and optimization of downstream purification processes for lentiviral in vivo LV therapeutic products.

  • Design and oversee chromatography, filtration, UF/DF, and formulation studies to improve product quality, yield, robustness, and manufacturability.

  • Utilize advanced filtration technologies, including Ambr TFF, for high-throughput process screening, optimization, and scale-down model development.

  • Oversee operation and troubleshooting of downstream equipment, including AKTA systems, TFF systems, and chromatography skids.

  • Apply Process Analytical Technology, online monitoring, and digital bioprocessing tools to strengthen downstream process understanding.

  • Use JMP,MiniTab, Python, Spotfire, or similar platforms for multivariate data analysis, process modeling, and technical decision-making.

  • Lead process characterization, scale-up, and platform development activities to support clinical manufacturing readiness.

  • Evaluate emerging purification technologies and drive continuous improvement to enhance process robustness and development efficiency.

  • Collaborate closely with analytical, formulation, upstream, modeling, automation, MSAT, and translational sciences teams.

  • Mentor junior scientists and provide scientific leadership across programs and cross-functional workstreams.

  • Prepare technical reports, development strategies, scientific presentations, and regulatory documentation.

Qualifications:

Required:

  • PhD in Chemical Engineering, Biochemical Engineering, Biological Sciences, Biotechnology, or related field with 1-3 years of relevant industry experience; ORa BS or MS with 4-6 years of relevant experience.

  • Extensive experience in downstream process development for biologics, cell therapy, gene therapy, or related viral vector modalities.

  • Hands-on experience with chromatography, clarification, depth filtration, UF/DF, sterile filtration, and process scale-up.

  • Experienceoperatingand/or leading studies using AKTA chromatography systems, TFF platforms, and Ambr TFF systems.

  • Strong understanding of downstream process control strategies, process analytics, and process characterization principles.

  • Demonstrated ability to independently design, execute, interpret, and communicate complex studies.

  • Proven scientific leadership, mentoring, and project management experience.

Preferred:

  • Experience with high-throughput purification screening, Ambr TFF workflows, and scale-down model qualification.

  • Familiarity with PAT tools, automation, digital bioprocessing, and advanced data analytics platforms.

  • Track recordof scientific publications, presentations, patents, technology innovation, or cross-functional platform impact.

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.

Required Skills:

Preferred Skills:

Analytical Reasoning, Biochemistry, Chemistry, Manufacturing, and Control (CMC), Coaching, Consulting, Critical Thinking, Drug Discovery Development, Emerging Technologies, Molecular Diagnostics, Pharmacogenetics, Pharmacovigilance, Process Improvements, Quality Assurance (QA), Relationship Building, Research Documents, Scientific Research, Technologically Savvy

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