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Associate Principal Scientist – Bioassay, Cell Based Sciences, AR&D

USA - New Jersey - Rahway💼 Full-time💰 $142,400–$142,400🗓 2026-06-25 → 2026-07-30

Core

Developing and optimizing potency assays (immune binding and cell-based) for large molecule biologics including therapeutic proteins, monoclonal antibodies, and antibody-drug conjugates.

Role type

Associate Principal Scientist (Bioassay, Cell Based Sciences)

Builds

Potency assays and methods for large molecule portfolio

Domain

Biopharmaceuticals / Large Molecule Development

Deliverable

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

Required skills

Potency assay development, Immune binding assays, Cell-based functional assays, Stable cell line generation, Cytotoxicity assays, ELISAs, Flow cytometry, Reporter gene assays, Quality by Design (QbD), Design of Experiments (DOE), Statistical data interpretation, Regulatory submission authoring, Scientific mentoring

Preferred skills

New modality-based therapy development, High Resolution Mass Spectrometry (HRMS), Liquid Chromatography-Mass Spectrometry (LC-MS)

Technologies

SoftMax Pro, JMP, PLA software, GraphPad Prism, Microsoft Office tools

Responsibilities

Define potency strategy and develop/optimize immune binding and cell-based assays, Conduct non-GMP qualification and robustness studies, Support potency method transfers and validation at GxP labs, Represent potency on cross-functional teams, Author and review regulatory submissions, Provide scientific mentoring to junior scientists

Seniority

Senior, hands-on IC with mentoring responsibilities

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