Senior Scientist – Process Development jobs in United States
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Avantor · 1 day ago

Senior Scientist – Process Development

Avantor is seeking a highly skilled and motivated Senior Scientist to lead and support process development initiatives and manufacturing operations for excipients and reagents. The successful candidate will be responsible for designing scalable processes, supporting tech transfer, and resolving on-the-floor manufacturing challenges.

BiotechnologyElectronicsIndustrialLife ScienceManufacturingPharmaceutical
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H1B Sponsor Likelynote

Responsibilities

Design, develop, and optimize mammalian cell culture processes in bench-scale and pilot-scale bioreactors, including fed-batch and perfusion modes
Apply chemical engineering fundamentals (mass transfer, kinetics, thermodynamics) to scale up unit operations effectively and predictably
Support media/feed strategy development, metabolic analysis, and process parameter optimization for improved productivity and product quality
Collaborate with analytical teams to interpret process data, perform root cause analysis, and drive data-based decisions
Author technical development reports, risk assessments, and regulatory documentation
Serve as a technical subject matter expert (SME) during GMP manufacturing campaigns, providing on-the-floor support and troubleshooting
Participate in deviation investigations, CAPAs, and change controls related to cell culture and bioprocess equipment
Drive technology transfer of processes from development labs to GMP facilities, ensuring proper documentation, training, and scale-up readiness
Support validation activities, including process performance qualification (PPQ) and equipment qualification (IQ/OQ/PQ)

Qualification

Ph.D. in EngineeringMammalian cell cultureBioreactor operationsChemical process principlesContinuous bioprocessingDownstream processingICH/FDA/EMA guidelinesQbDDoECross-functional communicationTechnical writingProblem-solving

Required

Ph.D. in Chemical Engineering, Biochemical Engineering, Biomedical Engineering, or related field (required)
Minimum of 5+ years of industry experience in mammalian cell culture-based bioprocess development and GMP manufacturing support. Doctoral or relevant academic experience can be counted as equivalent experience to industry experience
Strong knowledge of bioreactor operations, including design, scale-up, control strategies, and troubleshooting
Proficiency in chemical process principles such as mixing, heat transfer, and reaction engineering as applied to biologics production
Familiarity with single-use or multi-use bioreactor systems, aseptic operations, and automation platforms
Excellent problem-solving, technical writing, and cross-functional communication skills

Preferred

Experience with continuous bioprocessing, process modeling, or chemical processing
Exposure to downstream processing (filtration, chromatography) and integration with upstream
Familiarity with ICH, FDA, and EMA guidelines for biologics manufacturing
Demonstrated experience with QbD, DoE, and statistical tools (e.g., JMP, Minitab)

Benefits

Medical, dental, and vision coverage
Wellness programs
Health savings and flexible spending accounts
A 401(k) plan with company match
An employee stock purchase program
11 paid holidays
Accrue 18 PTO days annually
Eligible for volunteer time off
6 weeks of 100% paid parental leave (except in states that offer paid family leave)

Company

Avantor is a provider of mission-critical products and services to customers in the life sciences and applied materials industries. It is a sub-organization of Avantor Performance Materials.

H1B Sponsorship

Avantor has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)

Funding

Current Stage
Public Company
Total Funding
unknown
2019-05-17IPO
2010-08-01Private Equity

Leadership Team

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Emmanuel Ligner
President and Chief Executive Officer
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Allison Hosak
Senior Vice President, Global Communications
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Company data provided by crunchbase