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Research Associate / Senior Research Associate, Lead Discover

Treeline Biosciences - Watertown, MA, United States - In-office - posted 2026-09-09

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Salary: USD 92,173 - 106,882 / annual

Treeline Biosciences is an innovative biotechnology company developing medicines against difficult-to-drug targets in cancer and other life-threatening diseases. The company employs an integrated approach combining lead discovery, medicinal chemistry, antibody-drug conjugates, and computation to accelerate drug discovery. You will join the Lead Discovery team in Watertown, MA as a Research Associate supporting drug discovery projects. Your primary focus will be executing and optimizing crystallography and biophysical experiments to deliver high-quality scientific data and insights for small molecule drug discovery. You will work closely with colleagues across biophysics, biochemistry, structural biology, and protein production, as well as the broader R&D organization including biology, computational chemistry, and medicinal chemistry teams. Key responsibilities include: - Becoming a key contributor to the Structural Biology and Biophysics teams, providing routine and novel insights to multiple drug programs - Operating and maintaining sensitive laboratory equipment in collaboration with Lab Operations staff and external vendors - Collaborating with Lead Discovery team members (protein sciences, biochemistry, mass spectrometry) to characterize small molecule ligand binding and establish structure-activity relationships (SAR) - Executing structural experiments and effectively communicating results to colleagues and project teams Requirements: - BS or MS degree in biology, biochemistry, chemistry, or related scientific/technical field - Minimum 2+ years of work experience in the life sciences sector - Ability to maintain and operate sensitive lab equipment (liquid handlers, automated imagers, microscopes) - General laboratory experience: pipetting, buffer preparation, and related techniques - Experience with protein expression or protein activity and binding assays - Ability to work efficiently, deliver detailed results within defined timelines, and collaborate in multidisciplinary teams - Preferred: industry experience or academic training in X-ray crystallography workflow (setting screens, crystal optimization, harvesting) and biophysical characterization (SPR, BLI, MST, ITC, etc.) - Preferred: working knowledge of Linux environments and/or Shell/Python scripting - Enthusiasm for science and team-oriented work environment

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