9 principal scientist jobs at 7 companies in Perris, CA
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Principal Scientist
Carlsbad, California, United States
$113k-$170k/yr OnsiteFull Time
15+ YOEBS or MS in Chemistry, Analytical Science, or related field, or equivalent experience; 15+ years in GLP/GMP analytical environments with method validation, transfer, leadership, and mentoring experience.
qPCR, ddPCR, HPLC, CE-SDS, ELISA, FTIR, Gel Electrophoresis, Microsoft Excel, Laboratory Information Management System
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Principal Clinical Scientist
Aliso Viejo, California, United States
$148k-$194k/yr OnsiteFull Time
5+ YOEMaster's degree in relevant science/medicine, 5+ years clinical research scientist experience, GCP knowledge, clinical protocol development, strong writing and communication, analytical skills.
PubMed, MedLine
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Principal Scientist (Carlsbad, California, US, 92009-1609)
Carlsbad, California, United States
$113k-$170k/yr OnsiteFull Time
15+ YOE15+ years GLP/GMP analytical experience; BS/MS in Chemistry or related field; expertise in method validation/transfer and advanced assays (qPCR, ddPCR, HPLC, CE-SDS, ELISA); cGMP/ICH knowledge and leadership/mentoring experience.
qPCR, ddPCR, HPLC, HPLC/UPLC, CE-SDS, ELISA, FTIR, Gel Electrophoresis, spectroscopy, cell-based assays, IQ/OQ/PQ/PM, ALCOA+, cGMP, ICH
1mo
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Principal Scientist- Search
New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
$212k-$394k/yr HybridFull Time
8+ YOEPhD and 8+ years building and deploying production AI systems; deep expertise in information retrieval, search, NLP, RAG, knowledge graphs, LLMs; strong product sense and leadership skills.
Python, PyTorch, Hugging Face, Azure ML, Azure AI Foundry, AWS SageMaker
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Senior Principal Data Scientist, Advanced Forecasting
Irvine, California, United States
$145k-$205k/yr OnsiteFull Time
10+ YOEBachelor's degree in quantitative field, minimum 10 years experience (or 8 with Masters/4 with PhD), strong statistical and ML fundamentals, hands-on Python/R and SQL, forecasting and scenario modeling experience, excellent communication.
Python, R, SQL, Anaplan, Oracle, JDE, Concur, Salesforce.com, Databricks, Azure, AWS
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Principal Clinical Research Scientist
Jacksonville or Milpitas or Irvine
$117k-$201k/yr HybridFull Time
5+ YOEAdvanced scientific degree and 5+ years of ophthalmic clinical research experience required, with clinical study leadership, study design, technical writing, biostatistics knowledge, and cross-functional influence.
Clinical Study Reports (CSRs), Good Clinical Practice (GCP)
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Principal Clinical Research Scientist
Jacksonville or Milpitas or Irvine
$117k-$201k/yr HybridFull Time
5+ YOEAdvanced scientific degree, 5+ years of ophthalmic clinical research experience, clinical program leadership, study design, technical writing, biostatistics knowledge, and cross-functional influence.
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Senior Principal Data Scientist, AEC
California or Washington or New York or British Columbia or Ontario or Irvine
$159k-$286k/yr RemoteFull Time
10+ YOE10+ years in data science/applied ML focused on product analytics and user behavior modeling; expertise in predictive modeling, instrumentation, AI evaluation, and experimentation; strong communication and technical leadership.
LLMs, MCP, RAG architectures, LLM-as-a-Judge, A/B testing
1w
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Principal Research Scientist - Frontier Industrial AI
San Leandro or New York City or Massachusetts or Lake Forest or Philadelphia
$214k-$356k/yr HybridFull Time
PhD or equivalent research experience in a relevant field; original AI research, strong software development, experimental systems, independent project execution, and expertise in advanced machine learning areas.
Python