249 scientist protein jobs at 135 companies in United States

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Protein Scientist
Wilsonville, Oregon, United States
OnsiteFull Time
Twist Bioscience
Twist BioscienceNasdaq: TWST: Synthesizes custom DNA using a silicon-based manufacturing platform.
2+ YOEPh.D. or M.S. with 2+ years industry experience; hands-on protein purification and characterization, SPR/BLI affinity/kinetics, SEC/DLS/DSF/HIC, data analysis, troubleshooting, training, and strong communication.
SPR, BLI, SEC, DLS, DSF, HIC, ac-sins, electronic lab notebooks, SQL, JSON, Python, Illumina NGS
2w
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Senior Scientist, Protein Production
San Diego, California, United States
$94k-$183k/yr OnsiteFull Time
Novartis
NovartisNew York Stock Exchange: NVS: Develops and manufactures innovative prescription medicines for patients.
5+ YOEBS/MS in biochemistry or related field with 5+ years lab experience; expertise in recombinant protein design, expression (mammalian/insect), purification (FPLC/HPLC), and biophysical characterization (SPR, DSF, ITC, LC/MS).
FPLC, HPLC, SPR, DSF, ITC, LC/MS, cryo-EM, NMR, X-ray crystallography, electron microscopy, Machine Learning (ML)
2mo
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Protein Immunoengineering Scientist
San Francisco, California, United States
$165k-$215k/yr OnsiteFull Time
Merge Labs
Merge Labs: Developing high-bandwidth non-invasive brain-computer interfaces using biotechnology.
PhD in Immunology, Bioengineering, or related field or equivalent experience; expertise in antigen processing and immune recognition; proficiency in in vitro immune assays; experience at the intersection of immunology, protein engineering, and data-driven design.
1d
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Protein Purification Scientist
San Diego, California, United States
$24-$28/hr OnsiteFull Time
Eurofins Scientific
Eurofins ScientificEuronext Paris: ERF: Global provider of analytical testing and laboratory services.
1+ YOEB.S. in biochemistry or related,1-2 years lab experience,protein purification and analytical techniques (FPLC,SDS-PAGE,SEC,mass spectrometry),ELN documentation,eligible to work in the US without sponsorship.
FPLC, SDS-PAGE, SEC, mass spectrometry, Electronic Lab Notebook (ELN)
2w
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Protein Analytics Scientist
Brisbane, California, United States
$156k-$166k/yr HybridFull Time
Bristol Myers Squibb
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
2+ YOEPhD in chemistry/biochemistry/biophysics (or foreign equivalent) and 2 years related experience; expertise in protein structure characterization, mass spectrometry, LC-MS and proteomics; programming for MS data analysis; collaboration and presentation skills.
mass spectrometry, liquid chromatography, LC-MS, SEC-MALS, capillary electrophoresis, hydrophobic interaction chromatography
1w
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Senior Scientist, Protein Engineering
South San Francisco, California, United States
$150k-$170k/yr OnsiteFull Time
Xaira Therapeutics
Xaira Therapeutics: Develops AI models for protein and antibody drug discovery.
4+ YOEPh.D. in relevant field, 4+ years post-academic biotech R&D experience in protein engineering, hands-on antibody/protein production and characterization, developability expertise, and strong communication and mentoring skills.
PyMOL, AlphaFold, ELN
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Protein Scientist, Assistant Director or Associate Director
Carlsbad, California, United States
$144k-$196k/yr OnsiteFull Time
Ionis Pharmaceuticals
Ionis PharmaceuticalsNASDAQ: IONS: Discovers and develops RNA-targeted medicines for serious diseases.
5+ YOEPhD in a relevant discipline, 5+ years industry experience (Assistant Director) or 8+ years (Associate Director), deep expertise in protein engineering and recombinant protein expression/purification in microbial and mammalian systems, experience with protein fusion design and characterization, strong communication and leadership.
3w
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Principal Scientist, Protein Engineering
Boulder, Colorado, United States
$130k-$170k/yr OnsiteFull Time
Alta Resource Technologies
Alta Resource Technologies: Uses synthetic biology to extract and refine critical minerals.
10+ YOEPhD in biochemistry, molecular biology, or related field with 10+ years industry experience; expertise in protein engineering, high‑throughput molecular biology, automation, microbial bioproduction, experimental design, and strong communication and documentation skills; U.S. citizenship required.
2d
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Scientist/Sr Scientist – Protein Production and Purification
Palo Alto, California, United States
OnsiteFull Time
Kodiak Sciences
Kodiak SciencesNASDAQ: KOD: Developing biopolymer conjugate therapeutics for retinal vascular diseases.
3+ YOEExpertise in recombinant protein expression and purification (mammalian and bacterial), chromatographic purification, biochemical/biophysical characterization, and independent experimental design and troubleshooting.
HEK293, CHO, ÄKTA FPLC, KingFisher, SDS-PAGE, SEC, DLS, UV-Vis spectroscopy, mass photometry, Isoelectric focusing (IEF)
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Principal Scientist, Protein Production & Engineering
Watertown or Massachusetts
$166k-$203k/yr HybridFull Time
Disc Medicine
Disc MedicineNASDAQ: IRON: Develops treatments for patients with serious hematologic diseases.
10+ YOEPhD in relevant field,10+ years related experience with ≥5 years in biotech/pharma; extensive biologics and protein science expertise; ability to lead discovery, design and characterize proteins; strong communication and analytical skills.
2w
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Protein Analytics Scientist
Brisbane, California, United States
$141k-$171k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNYSE: BMY: Develops and manufactures innovative prescription biopharmaceutical medicines.
Design and execute experiments, troubleshoot protocols, work independently with limited supervision, act as technical point and mentor junior team members.
1mo
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Scientist-Principal Scientist, Protein Design & Structure
Boston, Massachusetts, United States
OnsiteFull Time
Superluminal Medicines
Superluminal Medicines: Accelerates small molecule drug discovery using generative AI.
2+ YOEPhD in Biochemistry/Molecular Biology/Biophysics with 2+ years (Scientist) or 5+ years (Senior Scientist) or 8+ years (Principal Scientist) of relevant experience in GPCR/membrane protein expression, purification, and characterization; strong leadership and collaboration skills.
Cryo-EM, FPLC, SEC, Rosetta, AI/ML
2mo
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Protein Characterization Scientist - Pharma Research & Development
Oklahoma City, Oklahoma, United States
OnsiteFull Time
ARL Bio Pharma
ARL Bio Pharma: Provides analytical and microbiological testing for the pharmaceutical industry
4+ YOEBS in chemistry or related science with 4+ years industrial experience; PhD with 2+ years; experience with protein characterization; proficient in mass spectrometry and analytical methods; strong English communication
HPLC, LC-MS/MS, Orbitrap, Mass Spectrometry, Analytical Method Development
1w
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Protein Biochemist - Research Scientist
Hanover, New Hampshire, United States
OnsiteFull Time
Dartmouth College
Dartmouth College: Providing undergraduate and graduate education and conducting scientific research.
4+ YOEPhD or equivalent in biochemistry/molecular biology, ~4 years lab experience, expertise in recombinant protein design, expression, purification and biophysical characterization; experience with structural biology and proteomics desirable.
AKTA, centrifuge, SPR, ITC, Fluorescence polarization, LC-MS/MS, X-ray crystallography, cryoEM
2w
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Scientist - Protein Production
Indianapolis, Indiana, United States
OnsiteFull Time
Helix BioStructures
Helix BioStructures: Contract research organization specializing in structural biology and drug discovery.
Proficiency in recombinant protein expression and purification across bacterial, insect, and mammalian systems; experience with analytical/biophysical techniques; strong communication; ability to generate milligram-to-gram protein quantities.
Phenix, CCP4, Coot, PyMOL, Mass Spectrometry, SDS-PAGE, SEC, Western Blot, TSA, DLS
1w
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Scientist / Senior Scientist, Protein Sciences — Small Molecule Drug Discovery
Salt Lake City, Utah, United States
$100k-$160k/yr OnsiteFull Time
Leash Biosciences
Leash Biosciences: Uses machine learning to accelerate small molecule drug discovery.
3+ YOEPhD (or MS+equivalent experience) with 3–5 years industry protein purification experience from mammalian and baculovirus/insect systems; hands-on ÄKTA FPLC and SEC-MALS proficiency; experience delivering SPR- and structure-grade reagents.
ÄKTA FPLC, SEC-MALS, miniDAWN, SPR, crystallography, cryo-EM, MultiBac, biGBac, BacMam, IMAC, Protein Select, StrepTactin, mass photometry, native MS, DLS, nanoDSF, LC-MS
1mo
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Sr Principal Scientist, R&D - Protein Chemist
Glenview, Illinois, United States
$121k-$151k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Produces and sells condiments, dairy products, and packaged foods.
6+ YOEAdvanced expertise in applied protein chemistry with 6–8+ years industry experience (degree-dependent), experience in formulation, pilot plant scale-up, protein characterization, patent work, and strong cross-functional communication.
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Sr Principal Scientist, R&D - Protein Chemist
Glenview, Illinois, United States
$121k-$151k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Manufacturer and global marketer of food and beverage products.
6+ YOEAdvanced degree in food science/biochemistry (or related) with 6+ years industry experience (PhD+6 / MS+7 / BS+8). Deep expertise in applied protein chemistry, experiment design, pilot plant scale-up, protein characterization, and patent documentation.
1w
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Scientist II, Protein Expression and Purification
San Diego, California, United States
$110k-$120k/yr OnsiteFull Time
Foresite Labs
Foresite Labs: Incubating data-driven healthcare and life sciences companies.
2+ YOEB.S. in relevant field with 4–6 years or M.S. with 2–4 years experience; experience in protein expression/purification, biochemical and fluorescence/spectroscopic assays, gel electrophoresis, data visualization, and strong communication.
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Associate Scientist, Protein Sciences
South San Francisco, California, United States
$115k-$135k/yr OnsiteFull Time
CytomX Therapeutics
CytomX TherapeuticsNASDAQ: CTMX: Biopharmaceutical developing targeted cancer therapies using Probody technology.
5+ YOEPhD in biochemistry/protein chemistry or MS with 5+ years industry experience; expertise in protein purification and characterization (AKTA, LC-MS, HPLC/UPLC, SDS-PAGE, CE-SDS, SEC-HPLC, RP-HPLC, HIC, IEF); experience operating HPLC/UPLC and liquid handlers.
AKTA, Tecan, Janus liquid handler system, LC-MS, HPLC, UPLC, SDS-PAGE, CE-SDS, SEC-HPLC, RP-HPLC, HIC, IEF, mass spec instruments