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Lead Scientist, R&D (Upstream)

US - Portsmouth, NH💼 Full-time🗓 2026-06-24 → 2026-07-31

Core

Design and lead experimental work programs for process analytical technologies (PAT) in upstream unit operations to produce monoclonal antibodies, bispecific antibodies, and other modalities.

Role type

Lead Scientist, R&D (Upstream Processing)

Builds

Monoclonal antibodies (mAb), bispecific antibodies (bsAb), and non-mAb modalities (Fab, enzyme)

Domain

Biopharmaceutical manufacturing, mammalian cell culture

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

spectroscopic modeling, fermentation, mammalian cell culture, process control (fed-batch, intensified fed-batch, perfusion), complex biochemical pathways, project leadership

Preferred skills

Biochemistry, Chemical Engineering, or Biology degree

Technologies

spectroscopic modeling tools, cell culture systems

Responsibilities

Lead complex USP programs with full accountability for project results, drive scientific innovation and process robustness for PAT experiments, oversee daily USP activities including inoculum subcultures and cell culture operations, solve complex problems and guide technical decisions, foster high-performing team culture through coaching and leadership, escalate critical issues to Subject Matter Experts

Seniority

Senior, hands-on IC with project-level leadership

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