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Position Title: Senior Scientist, In Vitro ADME
Work Location: Emeryville, CA 94608
Assignment Duration: 18 Months
Work Arrangement: Onsite

Position Summary:
  • We are seeking a highly motivated and collaborative Senior Scientist to support the development and execution of in vitro ADME assays for the evaluation and optimization of potential therapeutic candidates.
  • This onsite role, based in Emeryville, CA, will contribute to drug discovery programs by generating high-quality data to inform compound progression and candidate selection.

Background & Context:
  • The ideal candidate will have hands-on experience conducting in vitro ADME assays in a biopharmaceutical, pharmaceutical, or contract research organization setting, with strong technical expertise in LC-MS/MS, enzyme kinetics, cell-based assays, and data interpretation.

Key Responsibilities:
  • Design, develop, and execute in vitro ADME assays to support drug discovery and candidate optimization.
  • Conduct ADME screening studies, including but not limited to microsomal stability, hepatocyte stability, permeability, plasma protein binding, and related metabolism assays.
  • Generate, analyze, interpret, and report high-quality data to support project decisions and compound progression.
  • Collaborate closely with DMPK, biology, chemistry, and project team members to ensure timely delivery of decision-enabling data.
  • Design and troubleshoot in vitro experiments to address project-specific questions related to compound metabolism, stability, permeability, and protein binding.
  • Contribute to LC-MS/MS bioanalytical method development, sample analysis, assay optimization, and troubleshooting.
  • Apply enzyme kinetic and quantitative bioanalytical principles to support assay design and data interpretation.
  • Prepare experimental protocols, study summaries, technical reports, and presentations for internal stakeholders and project teams.
  • Maintain accurate documentation in electronic laboratory notebooks and ensure adherence to internal quality and safety standards.
  • Support implementation and use of laboratory automation platforms, as applicable.

Qualifications & Experience:
  • BS or MS in chemistry, biochemistry, pharmacology, pharmaceutical sciences, biology, or a related scientific discipline.
  • Minimum of 2 years of relevant hands-on in vitro ADME experience in a biopharmaceutical, pharmaceutical, or contract research organization environment.
  • Strong understanding of DMPK and ADME principles, including assay design, data analysis, and interpretation.
  • Demonstrated experience designing and executing automated in vitro assays to evaluate and optimize ADME properties of drug candidates.
  • Hands-on experience with LC-MS/MS-based sample analysis; experience with Sciex instruments is preferred.
  • Proficiency with data analysis and visualization tools such as Microsoft Excel, GraphPad Prism, Analyst, or similar software.
  • Experience using electronic laboratory notebooks.
  • Experience with laboratory automation platforms such as Hamilton, Tecan, or similar systems is preferred.
  • Strong organizational skills with the ability to manage multiple priorities in a fast-paced, collaborative research environment.
  • Excellent verbal and written communication skills, with the ability to present scientific findings clearly to cross-functional teams.
  • Demonstrated ability to work independently while contributing effectively in a team-oriented setting.

Working Conditions & Physical Demands:
  • The successful candidate is expected to maintain a safe laboratory environment and follow all applicable environmental, health, and safety (EHS) policies and procedures.
  • The role requires appropriate handling of chemicals, biological materials, and laboratory instrumentation, including the use of required personal protective equipment (PPE).
  • The candidate should demonstrate a strong commitment to safe laboratory practices.

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Posting ID: 1296113315 Posted: 2026-09-11 Job Title: Senior Scientist