283 senior scientist jobs at 126 companies in Lake Forest, CA
3mo
Save
Mark Applied
Hide
Senior Scientist, Biologics Formulation
El Segundo, California, United States
$140k-$180k/yr OnsiteFull Time
3+ YOEPhD in a relevant field; 3+ years protein formulation development; deep protein chemistry and biophysics expertise; hands-on analytics; independent in fast-paced startup; strong scientific writing.
Dynamic Light Scattering, Differential Scanning Calorimetry, Size Exclusion Chromatography, Capillary Electrophoresis, Rheology, Spectroscopy
3mo
Save
Mark Applied
Hide
Senior Scientist / Engineer
Los Angeles, California, United States
OnsiteFull Time
3+ YOE3+ years in materials R&D, processing, or additive manufacturing; hands-on experimental focus; strong documentation and data analysis.
Raman spectroscopy, SEM/EDS, Optical microscopy, Electrical testing, Thermal testing, Hardness testing, CVD/LCVD, Laser processing, LPBF, DED
3d
Save
Mark Applied
Hide
Senior Scientist
Carlsbad, California, United States
$78k-$117k/yr OnsiteFull Time
8+ YOEBachelor’s degree in chemistry, biochemistry, biology, or life sciences plus 8+ years in GMP or QC laboratory settings; expertise in analytical testing, method validation, cGMP, and ICH guidelines.
qPCR, ddPCR, HPLC, CE-SDS, ELISA, HPLC/UPLC
3d
Save
Mark Applied
Hide
Senior Scientist
Carlsbad, California, United States
$78k-$117k/yr OnsiteFull Time
8+ YOEBachelor's degree in chemistry, biochemistry, or life science and 8+ years in GMP or QC laboratories; analytical method validation, cGMP, ICH, QA/QC, and biologics experience preferred.
qPCR, ddPCR, HPLC, CE-SDS, ELISA, UPLC, SOPs, CAPAs
3mo
Save
Mark Applied
Hide
Senior Scientist
Pasadena or Sudbury or Chicago or Tampa or Phoenix
$105k-$120k/yr HybridFull Time
5+ YOEPh.D.,5+ years leading evaluation-focused proposals and projects, expertise in substance use/rural health/criminal justice, experience with federal contracts and SAMHSA data tools.
Stata, REDCap, Dedoose, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel, citation management software
1mo
Save
Mark Applied
Hide
Senior Scientist
Pasadena, California, United States
$134k-$165k/yr OnsiteFull Time
10+ YOE8+ MgmtBS in Physics, Astronomy, or Engineering; 10+ years high-precision optics experience; 8+ years mentoring; expertise in optical design, coatings, and precision optical metrology; MS/PhD preferred; MS Project experience preferred.
Microsoft Project
3d
Save
Mark Applied
Hide
Senior Scientist
Carlsbad, California, United States
$78k-$117k/yr OnsiteFull Time
8+ YOEBachelor’s degree in chemistry, biochemistry, or life science; 8+ years in GMP or QC laboratory environments; analytical method validation, transfer, documentation, and cGMP compliance experience.
qPCR, ddPCR, HPLC, CE-SDS, ELISA, UPLC, SOPs, PPE, QA, QC, CAPAs
2mo
Save
Mark Applied
Hide
Senior Scientist
Monrovia, California, United States
$90k-$120k/yr OnsiteFull Time
PhD in a relevant engineering or chemistry field; background in hollow fiber membranes, filtration, separations, or bioprocessing; experimental design, data analysis, failure analysis; lab testing and prototype experience; strong communication.
1d
Save
Mark Applied
Hide
Senior Scientist, Chemistry
South San Francisco or United States or Puerto Rico or San Francisco or Los Angeles or Rahway
$131k-$207k/yr OnsiteFull Time
4+ YOERequires a chemistry degree and 4–7 years of experience depending on degree level, with extensive organic synthesis expertise, analytical skills, complex problem-solving, collaboration, and communication abilities.
chromatography, mass spectrometry, spectroscopy, Process Analytical Technology (PAT)
3h
Save
Mark Applied
Hide
Temp Senior Research Associate/Sr Scientist, Formulation and Delivery Sciences
Carlsbad or Boston or Dublin
$42-$75/hr OnsiteFull Time, Temporary
2+ YOERequires BS and 5+ years of laboratory experience for Senior Research Associate or PhD and 2+ years for Senior Scientist, plus RNA-loaded LNP synthesis, nanoparticle characterization, and laboratory communication skills.
HPLC, Ribogreen, DLS, SEC
3w
Save
Mark Applied
Hide
Senior Scientist
Torrance, California, United States
$90k-$100k/yr OnsiteFull Time
1+ YOEPhD in cell or molecular biology, 1-2 years lab experience with iPSC culture, sterile technique, directed differentiation; familiarity with Seahorse and 10X workflows; strong communication and organizational skills.
Sea horse, 10X Genomics, Chromium, Visium, Flow cytometry, FACS, Confocal microscopy
3mo
Save
Mark Applied
Hide
Senior AI/ML Scientist, Planetary Science
Long Beach or New York City
$154k-$211k/yr HybridFull Time
3+ YOEPhD in a technical field and 3+ years of experience; expertise in transfer learning, domain adaptation, or fine-tuning; multi-modal data fusion; end-to-end problem ownership; collaboration with scientists and engineers.
Python, TensorFlow, PyTorch, scikit-learn, ML frameworks, multi-modal data fusion
1d
Save
Mark Applied
Hide
Senior Scientist, Discovery Biology
San Diego or Arizona or Puerto Rico or Los Angeles County
$132k-$159k/yr OnsiteFull Time
2+ YOEBachelor's with 7+ years, master's with 5+ years, or Ph.D. with 2+ years in life sciences or related research. Requires cancer biology, cell culture, molecular biology, and drug discovery expertise.
CRISPR, RNAi, qPCR, FACS, Windows, Microsoft Office, PRISM
1w
Save
Mark Applied
Hide
Senior Data Scientist
New York or Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv
HybridFull Time
8+ YOE8+ years in data science or quantitative analysis; expertise in experimental design, causal inference, statistical and ML modeling; SQL and Python or R; large-scale data; strong communication skills.
SQL, Python, R, Databricks, Spark
2d
Save
Mark Applied
Hide
SENIOR DATA SCIENTIST
Los Angeles County or Los Angeles
$10k-$13k/mo HybridFull Time, Temporary
2+ YOE2+ MgmtRequires 2 years of complex data science experience, or a relevant bachelor's degree with coursework and 6 years of experience including 2 years leading machine learning, predictive analytics, and data management work.
Machine Learning, Predictive Analytics, Recommender Engines, Auto Classification, NLP, statistical programming languages
1w
Save
Mark Applied
Hide
Senior Data Scientist
Los Angeles, California, United States
$139k-$185k/yr HybridFull Time
5+ YOEMaster’s degree or Ph.D. preferred in a technical field, 5+ years of Python and Java experience, ML frameworks, SQL, scalable ML systems, evaluation harnesses, testing frameworks, and distributed data systems.
Python, Java, PyTorch, TensorFlow, Spark MLlib, SQL, Cursor, Claude, GitHub Copilot, HDFS, Hadoop, Kafka, Apache Spark
1mo
Save
Mark Applied
Hide
Senior Data Scientist
Irvine, California, United States
$108k-$153k/yr OnsiteFull Time
4+ YOEBachelor's in a related field plus 4 years (or Master’s plus 3) experience; expertise in clinical/product domain modeling, statistical methods, and regulatory-grade model documentation.
statsmodels, lifelines, scikit-survival, PyMC, SHAP, Captum, Python, SQL, SAS, Microsoft Power BI, Tableau Prep, PyTorch, TensorFlow, MLflow, MONAI, pydicom, SimpleITK, DoWhy, EconML, Optuna, Ray Tune, R, JAX
2mo
Save
Mark Applied
Hide
Senior Data Scientist
Canada or United States or San Francisco or Los Angeles
$170k-$200k/yr RemoteFull Time
5+ YOE5+ years building and deploying production data science/ML systems; strong statistics, causal inference, experimentation, coding/debugging, EM/production ops, and customer-facing communication; BS required, MS/PhD preferred.
1mo
Save
Mark Applied
Hide
Senior Data Scientist
Los Angeles, California, United States
$167k-$251k/yr HybridFull Time
Requires proven analytical modeling experience, optimization or operations research knowledge, causal inference, end-to-end project ownership, large-dataset expertise, stakeholder communication, Python, SQL, and a quantitative master's or PhD.
Python, SQL, PySpark
2w
Save
Mark Applied
Hide
Senior Data Scientist
Los Angeles, California, United States
$185k/yr OnsiteFull Time
Production ML/statistical modeling experience, strong Python and data science library skills, experience with large datasets and complex pipelines, and hands-on LLM or foundation model experience.
Python, PyTorch, TensorFlow, scikit-learn, LLMs, RAG
Explore Jobs
Expand Your Job Search
Top Cities Near Lake Forest for Senior Scientist
- Senior Scientist jobs in Los Angeles, CA
- Senior Scientist jobs in Long Beach, CA
- Senior Scientist jobs in Anaheim, CA
- Senior Scientist jobs in Santa Ana, CA
- Senior Scientist jobs in Riverside, CA
- Senior Scientist jobs in Irvine, CA
- Senior Scientist jobs in San Bernardino, CA
- Senior Scientist jobs in Fontana, CA
- Senior Scientist jobs in Moreno Valley, CA
- Senior Scientist jobs in Huntington Beach, CA
- Senior Scientist jobs in Glendale, CA
- Senior Scientist jobs in Oceanside, CA
- Senior Scientist jobs in Garden Grove, CA
- Senior Scientist jobs in Rancho Cucamonga, CA
- Senior Scientist jobs in Ontario, CA
- Senior Scientist jobs in Corona, CA
- Senior Scientist jobs in Pomona, CA
- Senior Scientist jobs in Torrance, CA
- Senior Scientist jobs in Pasadena, CA
- Senior Scientist jobs in Orange, CA