87 scientist i jobs at 40 companies in Mendon, MA
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Senior Scientist I, Microfluidics
Boston, Massachusetts, United States
$126k-$160k/yr OnsiteFull Time
PhD or MS+industry experience in relevant biology, strong hands-on mammalian cell culture and transfection, assay development and optimization, experience with fluorescence detection and data analysis, excellent communication.
Flow cytometry, FACS, Microscopy, Plate reader, Next generation sequencing
3mo
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Scientist I – Fischer Lab
Boston, Massachusetts, United States
$80k-$96k/yr OnsiteFull Time
2+ YOEPhD in biochemistry/structural biology with 2+ years postdoctoral experience; expertise in cryo-EM, protein purification, data analysis; strong communication and publication record.
cryo-EM, X-ray crystallography, NMR, mass spectrometry (TIMsTOF Pro/Ultra, Orbitrap Eclipse)
3mo
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Scientist I, In Vitro Pharmacology
Boston, Massachusetts, United States
$100k-$127k/yr OnsiteFull Time
2+ YOEPhD in molecular or cell biology with up to 2 years of related experience; expertise in mammalian cell culture, assays, and data analysis; industry experience preferred.
TR-FRET, Lumit, ELISA, Western blot, Flow cytometry, Incucyte, Phenix, cell culture, lentiviral transduction, assay development, data analysis
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Scientist I
Natick, Massachusetts, United States
$95k-$115k/yr OnsiteFull Time
2+ YOEPhD and 2+ years in formulation, biotechnology, or product development; experience with live biological systems; capable of translating lab research into scalable product solutions.
4w
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Scientist I
Waltham, Massachusetts, United States
$65k-$75k/yr HybridFull Time
5+ YOE5+ years laboratory experience preferred; experience with assay development, validation, troubleshooting, recordkeeping, and collaboration. MS or BS in Chemistry/Biology/Biomedical Engineering and strong analytical and communication skills.
Microsoft Word, Microsoft Excel
18h
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Scientist I
Cambridge, Massachusetts, United States
$120k-$145k/yr OnsiteFull Time
6+ YOEPh.D. in cell biology, molecular biology, biochemistry, pharmacology, or related field, or M.S. with 6–9+ years' experience; expertise in mammalian cell culture, molecular techniques, and complex data analysis.
Electronic Lab Notebook, Western blot, ELISA, RT-qPCR, immunofluorescence, flow cytometry
16h
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Scientist I
Worcester, Massachusetts, United States
$75k-$143k/yr OnsiteFull Time
2+ YOEBachelor’s degree with typically 5 years of experience or master’s degree with typically 2 years; requires protein biochemistry, analytical method development, instrumentation, automation, statistical tools, and technical mentorship skills.
HPLC, icIEF, CE-SDS, Agilent HPLC systems, Maurice, PA800 systems, statistical tools, electronic systems
1mo
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Senior Scientist I- Translational Medicine- PKS, ADME
Cambridge, Massachusetts, United States
$90k-$166k/yr OnsiteFull Time
4+ YOEBSc or MSc in drug metabolism/PK or related field; 4+ (MSc)–7+ (BSc) years ADME/DMPK experience; assay development and automation experience; LCMS-MS/HRMS/ICP-MS familiarity; strong project, problem-solving and communication skills.
LCMS-MS, HRMS, ICP-MS, Adobe Photoshop, Oscilloscope, Pipeline (Software)
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Senior Scientist I- Translational Medicine- PKS, ADME
Cambridge, Massachusetts, United States
$90k-$166k/yr OnsiteFull Time
4+ YOEBSc/MSc in drug metabolism, pharmacokinetics or related field with relevant ADME/DMPK experience (BSc:7+ yrs; MSc:4+ yrs). Experience with metabolic stability/permeability assays, lab automation, LCMS-MS/HRMS/ICP-MS, and strong project and communication skills.
LCMS-MS, HRMS, ICP-MS
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Scientist I, DTD
Charlestown, Massachusetts, United States
$125k-$140k/yr OnsiteFull Time
0+ YOEPhD or equivalent preferred in relevant biology discipline; experience with gene therapy/AAV, preclinical/translational study design, data analysis, and cross-functional collaboration; strong communication and scientific judgment.
2d
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Scientist I, Bioassay
Allston or Woburn
$109k-$123k/yr HybridFull Time
4+ YOERecent PhD with postdoctoral experience or master's degree with 4+ years of relevant industry experience; requires mammalian cell culture, experimental controls, and data interpretation experience.
ELISA
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Sr. Scientist I/Sr. Scientist II, Applied AI & Agentic Systems for Drug Discovery
Boston or San Francisco
$160k-$220k/yr HybridFull Time
5+ YOEPhD or equivalent in a quantitative field, 5+ years relevant experience for Scientist I or 8+ for Scientist II, drug discovery contributions, LLM agent development, Python, MLOps, and scientific communication.
Large Language Models (LLM), Model Context Protocol (MCP), LIMS, ELN, MLOps, Python, Claude, GPT, Claude Code, Codex, RDKit, OpenEye, Schrödinger
3mo
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Computational Scientist I- Center for Genomic Medicine
Cambridge, Massachusetts, United States
$88k-$124k/yr HybridFull Time
2+ YOEPhD in genetics or related field; 2+ years in computation; strong programming (R/Python); genomic data analysis experience; ability to develop/apply tools; good communication.
Python, R, Genomics, Cloud computing
1w
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ENVIRONMENTAL SCIENTIST I
Providence, Rhode Island, United States
$73k-$82k/yr FieldFull Time
Bachelor’s degree in an environmental, physical, or biological science, engineering, meteorology, environmental economics, or related field; current motor vehicle license required; environmental fieldwork and regulatory knowledge required.
1mo
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Associate Scientist I
Woburn, Massachusetts, United States
OnsiteFull Time
0+ YOEB.S. in chemistry/biochemistry or related, 0–2 years industry experience, lab instrumentation experience, strong communication and time management, ability to maintain and troubleshoot instruments.
HPLC, UPLC, CE, cIEF, UV/Vis, ELISA
2mo
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Senior Scientist I, DMPK
Lexington, Massachusetts, United States
$157k-$213k/yr HybridFull Time
3+ YOEPh.D. (3+ yrs) or M.S. (6+ yrs) in a related discipline; experience in DMPK/bioanalysis for RNA modalities; proficiency with PK software and data analysis; strong communication and teamwork skills.
Phoenix WinNonlin, R
2mo
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Scientist I, Analytics & Metrology
Billerica, Massachusetts, United States
$63k-$79k/yr OnsiteFull Time
BSc in chemistry required; experience with ICP‑MS, GC‑MS, LC‑MS, sample preparation (microwave digestion, ashing), instrument maintenance, MS Office; 1-2 years experience preferred.
ICP‑MS, GC‑MS, LC‑MS, Microsoft Office
2w
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Scientist I, Ophthalmology Research
Westborough, Massachusetts, United States
$95k-$135k/yr OnsiteFull Time
0+ YOEPhD with 0–3 years, MS with 5+ years, or BS with 8+ years of research experience; requires in vivo studies, animal models, ophthalmology research, data analysis, and strong communication skills.
OCT, ERG
1mo
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Associate Scientist/Scientist I, Protein Science Developability
Cambridge, Massachusetts, United States
$88k-$144k/yr OnsiteFull Time
4+ YOEMS with 4+ years or PhD with 0–2 years in related field; experience with AKTA chromatography, LC-MS, bioassay development, Benchling, strong analytical and communication skills.
AKTA, LC-MS, Benchling, Python, R, SEC-MALS, CE-SDS, DSF, ELISA, AlphaLisa, SPR, BLI, mass spectrometry
1w
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Associate Scientist / Scientist I, Computational Test Development
Boston, Massachusetts, United States
$110k-$150k/yr HybridFull Time
3+ YOEMSc in computational biology, bioinformatics, biostatistics, or related field; 3–4 years’ data-intensive biological research experience; R, Python, AWS, and NGS pipeline experience required. PhD preferred.
R, Python, AWS
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