Contract Mass Spectrometry Scientist — Protein Analytics
NCSL International
NCSL International is seeking a highly motivated Contract Research Scientist in South San Francisco. The role involves executing LC–MS workflows for protein characterization and maintaining mass spectrometry instrumentation, with responsibilities spanning project communication and compliance with safety standards. The ideal candidate holds a BS/BA degree with at least 6 years of experience in mass spectrometry, demonstrating strong communication and organizational skills. This position is based entirely onsite within a fast-paced laboratory environment. #J-18808-Ljbffr NCSL International
- ...is seeking a highly motivated Contract Research Scientist in South San Francisco, CA. This... ...-on position focuses on LC-MS protein characterization and analytical workflows for... ...candidate will utilize advanced mass spectrometry tools, working collaboratively...Contract workMass spectrometry
$117k - $139k
Scientist, Analytical Development and Mass Spectrometry Position Overview Sutro Biopharma, Inc. is looking for a Scientist... ...for testing of recombinant proteins such as antibody derivatives Develop... ...to Sutro QC, and to partner and contract testing laboratories Work with...Contract workMass spectrometry- ...is looking for a highly motivated Contract Research Scientist based in South San Francisco. This... ...executing LC-MS workflows, maintaining mass spectrometry instrumentation, and working... ...should have a strong background in Analytical Chemistry, with substantial experience...Contract workMass spectrometry
$62 - $68 per hour
...seeking a highly motivated Scientist to join our analytical development team. In this... ...characterization of proteins, drug substances, and conjugates... .... Design and implement mass spectrometry-based workflows for... ...San Carlos, CA Expected Contract Length: 12 Months Hourly...Contract workMass spectrometryHourly pay$146.54k - $189.64k
...trends and potential risks. Analytical Testing & Characterization Conduct... ..., LC-MS/MS High-Resolution Mass Spectrometry (HRMS) ICP-MS (elemental... ...complex matrices. Support contract laboratory oversight, including... ...-liquid extraction (LLE) Protein precipitation Apply semi-quantitative...Contract workMass spectrometryFull timeFor contractorsLocal areaWorldwide- ...Engineering with Advanced Mass Spectrometry (BEAM) group at Amgen... ...generation biologics. Our scientists provide detailed analytical characterization of... ...seeking a highly motivated Contract Research Scientist to join... ...‑on expertise in LC–MS protein characterization and independently...Contract workMass spectrometry
$62 - $68 per hour
...We are hiring a Scientist to join our client's Analytical Development team. The Scientist is responsible for... ...stakeholders. This is a 6-month contract based in San Carlos, California.... ..., icIEF, Liquid chromatography, Mass Spectrometry, enzyme kinetics, colorimetric...Contract workMass spectrometry- Senior Scientist, Membrane Protein Biochemistry What you will do Let’s do this. Let’s change the world... ...their purification with detailed analytical characterization. This role will... ...UPLC (SEC, fSEC), spectroscopy, or mass spectrometry. Proven expertise in structural biology...Mass spectrometryFlexible hours
$106.08k - $116.48k
...are hiring an Associate Scientist II to join our biotechnology client's Analytical Development team to... ...characterization of drug substances, protein intermediates, and... ...to implementing mass spectrometry-based workflows,... ...This is a 12-month contract based in San Carlos, California...Contract workMass spectrometryWork experience placement$124.3k - $265.9k
.... Hoffmann-La Roche AG is seeking a Senior Scientist / Principal Scientist specializing in synthetic molecule analytical chemistry in South San Francisco, California... ...in a relevant field and have experience in mass spectrometry and chromatography. The position offers...Mass spectrometry$128.96k - $141.44k
...We are hiring a Scientist to join our client's analytical development team. In this role,... .... This is a 12-month contract based in San Carlos, California... ...characterization of proteins, drug substances, and... ...Design and implement mass spectrometry-based workflows for detailed...Contract workMass spectrometry- ...Roche AG is looking for a highly motivated Senior Scientist or Principal Scientist in South San Francisco. The... ...successful candidate will design and troubleshoot analytical methods, applying expertise in mass spectrometry and chromatography to support drug discovery and development...Mass spectrometry
$161.11k - $185.62k
..., and commercialization of targeted protein degradation medicines, the next frontier... ...seeks an experienced Senior Scientist to join the Analytical Development and Quality Control group... ...and QC testing conducted at CDMOs and contract testing laboratories Contribute to investigations...Contract work$106k - $138k
...founded on the collaboration of leading scientists, industry experts, and investors who... ...part of a broader Large Molecule CMC Analytical and Formulation team. This is an opportunity... ..., electrophoresis, spectroscopy and mass spectrometry-based analytical methods to be used...Mass spectrometryLocal area$124.3k - $230.9k
...are seeking a highly motivated Senior Scientist or Principal Scientist with a strong record... ...depth to join our Synthetic Molecule Analytical Chemistry (SMAC) group. The successful... ...interpretation. Apply expertise in mass spectrometry, HRMS, MS/MS, and chromatographic...Mass spectrometryLocal areaRelocation package$106k - $138k
...founded on the collaboration of leading scientists, industry experts, and investors who... ...part of a broader Large Molecule CMC Analytical and Formulation team. This is an opportunity... ..., electrophoresis, spectroscopy and mass spectrometry‑based analytical methods to be used...Mass spectrometryLocal area$124.3k - $230.9k
...Senior Scientist / Principal Scientist - Synthetic Molecule Analytical Chemistry We are seeking an experienced scientist with a strong record of laboratory innovation... ...‑the‑art technologies such as high resolution mass spectrometry, UHPLC, 2D‑LC/MS, GC/MS, light scattering,...Mass spectrometryLocal areaRelocation package- ...role includes executing flow cytometry methods and providing analytical support for the CAR T programs. Candidates should have a relevant... ...and laboratory experience with analytical methods. This is a contract position with a competitive hourly rate, including benefits...Contract workHourly pay
$145k - $190k
...-Soleil is looking for an experienced analytical lead to join our CMC team. We are seeking... ..., UPLC, CE, UV/Vis, bioassays, and mass spectrometry. Extensive experience with analytical... ...Experience overseeing external CROs, CMOs, or contract testing laboratories preferred....Contract workMass spectrometryTemporary workFlexible hours$147k - $191k
Denali-Therapeutics is looking for a Senior Scientist in South San Francisco to lead analytical development of protein therapeutics. Candidates should hold a PhD and... ...will be responsible for overseeing mass spectrometry activities and characterizing product variants...Mass spectrometry- ...Machine learning Scientist (Computational Chemistry/Proteins) South San Francisco, United States | Posted on 02/25/2026 Our client, a worldleader in biotechnology... ...out of South SanFrancisco, CA. Job Duration:LongTerm Contract(Possibility Of Extension) Pay Rate : $50/hr on W2...Contract work
$140k - $250k
...Principal Scientist, Protein Sciences, Analytical Characterizations September 2025 Department: Technology Position Summary: TCG Labs-Soleil is seeking a highly experienced and driven Principal Scientist to lead our analytical efforts and join our multidisciplinary Protein...Full timeTemporary workFlexible hours$106k - $138k
...synthesis, bioconjugation, purification, and analytical methods for new biotherapeutic designs... ...(UV-Vis spectrophotometry, HPLC, mass spectrometry, MALS, and other orthogonal methods)... ...with cross-functional teams (Biology, Protein Sciences, DMPK, and related functions)...Mass spectrometry- Scientist II - Oligonucleotides South San Francisco, United States... ...Discovery team within the Protein Sciences department. This... ...techniques such as HPLC and mass spectrometry Troubleshoot synthesis processes... ...Excellent problem‑solving, analytical, and troubleshooting skills...Mass spectrometry
$45 - $50 per hour
...flow cytometry-based and/or cell-based analytical methods for the characterization, release... ...filings. Present data/ strategy to scientists and management internally. Position Requirements... ...to work in the U.S. This is a 1‑year contract opportunity with the possibility of...Contract workHourly payInternshipLocal area- ...Cogent Scientific, an insourced contract research organization, is looking for the right... ...laboratory services delivered by professional scientists—advancing research, fostering... ...currently have a role available for an Expert Protein Biochemist. Job Duties Perform high‑throughput...Contract workLocal areaRelocation packageDay shift
$147k - $191k
...on the collaboration of leading scientists, industry experts, and investors... ...strong background in characterizing protein therapeutics using mass spectrometry-based tools to provide technical... ...activities in our large molecule CMC analytical development group.Key...Mass spectrometryLocal area$106k - $138k
...the collaboration of leading scientists, industry experts, and... ...bioconjugation, purification, and analytical methods in support of new... ...chromatography (HPLC), mass spectrometry (MS), multi-angle light scattering... ...partners across Biology, Protein Sciences, Drug Metabolism...Mass spectrometryLocal area$124.3k - $230.9k
...are seeking a highly motivated Senior Scientist or Principal Scientist with a strong record... ...depth to join our Synthetic Molecule Analytical Chemistry (SMAC) group. This role is... ...but not limited to high resolution mass spectrometry (HRMS), UHPLC, 2D‑LC/MS, GC/MS, light...Mass spectrometryLocal areaRelocation package$159k - $207k
...the collaboration of leading scientists, industry experts, and... ...coordinate study execution, review analytical results, generate/review... ...analytics.Experience developing protein purification processes to... ...virology, including working with contract labs to plan and execute...Contract workWork experience placementLocal area
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