San Rafael, CA

Senior Research Associate II – Analytical Sciences (Separations & Biophysical Assays)

Senior Research Associate II – Analytical Sciences (Separations & Biophysical Assays)

Location: Novato, CA (Onsite – 5 days/week)
Duration: 9-month assignment with potential to extend or convert
Pay: up to $45/hour

Our client is seeking a Senior Research Associate II to join the Analytical Sciences team, supporting the development of biologic therapeutics for clinical advancement and potential commercialization. This laboratory-based role focuses on analytical method development and characterization of biologics, working closely with cross-functional partners across research and process development teams.

Key Responsibilities

  • Perform analytical method development, qualification, and characterization for biologics including proteins, peptides, and protein-conjugates.

  • Conduct biophysical and biochemical assays using techniques such as HPLC and Capillary Electrophoresis (CE).

  • Provide analytical testing and characterization support to Upstream/Downstream Process Development, Formulation, and Research teams.

  • Document experimental work in electronic lab notebooks and contribute to technical documentation including test methods, reports, and procedures.

  • Troubleshoot analytical challenges and contribute to continuous method improvement.

  • Support laboratory operations including equipment maintenance, safety inspections, and lab organization.

  • Present experimental data and findings in team meetings and technical discussions.

Required Qualifications

  • Hands-on experience in biotechnology, pharmaceutical, or academic laboratories supporting analytical testing of biologics.

  • Experience with biochemical characterization techniques, including:

    • SEC, SCX, and RP-HPLC (Agilent, Waters, or Thermo systems)

    • Capillary Electrophoresis (PA800 or BioPhase 8800) including CE-SDS and glycan analysis

  • Strong understanding of analytical method development and troubleshooting.

  • Excellent documentation, analytical, and communication skills.

  • Ability to work independently and collaboratively in a fast-paced, cross-functional environment.

Preferred Qualifications

  • Experience with cIEF (Maurice) instrumentation.

  • LC-MS method development experience (Orbitrap, QToF, or QQQ).

  • Experience with method qualification, transfer, and root cause investigations.

  • Exposure to biopharmaceutical process development or laboratory automation.

Education & Experience

  • Bachelor’s degree in Chemistry, Biochemistry, Analytical Chemistry, Chemical Engineering, or related field with 6 years of relevant experience
    OR

  • Master’s degree with 4 years of relevant experience

Work Environment

This role is fully onsite in Novato, CA (5 days per week) and primarily laboratory-based, with occasional evening or weekend work required.

  • Max. file size: 100 MB.

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