16 principal scientist jobs at 5 companies in Oxnard, CA
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Senior Principal Scientist
Thousand Oaks, California, United States
$168k-$228k/yr HybridFull Time
Doctorate or equivalent scientific degree with toxicology experience; expertise in leachables/extractables, risk-based toxicology assessments, OEL/OEB derivation, GHS classification, and regulatory guidance (ICH/ISO).
OECD Toolbox, Toxtree, Benchmark Dose (BMD), EndNote, Microsoft Office
3w
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Associate Principal Scientist, Innovation
El Segundo, California, United States
$116k-$174k/yr HybridFull Time
6+ YOEMaster's in nutrition/exercise physiology or related,6+ years R&D/innovation experience in CPG or supplements,expertise with dietary supplement ingredients,supporting concept-to-commercialization,AI tools and cross-functional work.
Microsoft Office, Citation Managers, PubMed, AI tools and platforms
1d
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Principal Scientist – Inflammation Human Data & Computational Biology
Thousand Oaks, California, United States
$140k-$190k/yr OnsiteFull Time
2+ YOEPhD, PharmD, or MD plus 2 years of industry experience; or master's degree plus 5 years; or bachelor's degree plus 7 years in inflammation or immunology research.
AI, ML
3w
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Principal Scientist - Modeling & Simulation
Thousand Oaks, California, United States
$144k-$194k/yr OnsiteFull Time
2+ YOEPhD (2 yrs) or MS (5 yrs) or BS (7 yrs) experience in PK/PD or statistical modeling; proficiency with modeling software; strong quantitative and communication skills.
NONMEM, SAS, R/S-Plus, STAN, MATLAB
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Principal Scientist - Cardiometabolic Disorders
Thousand Oaks, California, United States
$140k-$190k/yr OnsiteFull Time
2+ YOEDoctorate with 2 years, master's with 5 years, or bachelor's with 7 years in pharmaceutical, biotechnology, or drug discovery research; expertise in GPCR pharmacology and scientific leadership.
GPCR, PK/PD, cAMP
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Process Development Principal Scientist
Thousand Oaks, California, United States
$142k-$192k/yr OnsiteFull Time
5+ YOEPhD/PharmD/MD or advanced degree with significant operations experience; deep expertise in organic/physical/solid-state chemistry, formulation and unit operations; experience mentoring, technical writing, and characterization techniques.
XRPD, DSC, TGA, SEM
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Process Development Principal Scientist
Thousand Oaks, California, United States
$142k-$192k/yr OnsiteFull Time
2+ YOEAdvanced scientific degree with relevant industry experience; expertise in analytical characterization (CE, SEC, IEX, RP, HILIC, mass spectrometry, XRPD, DSC, TGA, SEM); experience authoring regulatory documents and leading analytical strategy.
CE, SEC, IEX, RP, HILIC, mass spectrometry, XRPD, DSC, TGA, SEM
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Principal Scientist – Surface Biology Early Validation Lead
Thousand Oaks, California, United States
$140k-$190k/yr OnsiteFull Time
3+ MgmtAdvanced scientific degree or equivalent experience with demonstrated leadership; minimum 3 years people-management experience; expertise in cell-surface biology and quantitative cell-based assays; experience with flow cytometry, microscopy, imaging, and proteomics.
flow cytometry, microscopy, high-content imaging, proteomics
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Process Development Sr Principal Scientist
Thousand Oaks, California, United States
$158k-$213k/yr HybridFull Time
3+ YOEDoctorate/PharmD/MD with 3+ years; or Master with 6+ years; or Bachelor with 8+ years in scientific fields.
Process engineering, Statistical analysis, Data analysis, Laboratory information systems
2w
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Process Development Sr Principal Scientist
Thousand Oaks, California, United States
$158k-$213k/yr OnsiteFull Time
3+ YOEDoctorate (or equivalent) or advanced degree with scientific experience; experience in analytical method development, oligonucleotide/peptide/small molecule characterization, MS/NMR/FTIR techniques, GLP/GMP familiarity, technical writing, and cross-functional leadership.
MS, UV, NMR, FTIR
1d
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Data Scientist, Principal - AI Product Engineering
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$161k-$242k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent practical experience and 10 years in data science, machine learning, AI/ML, software engineering, or advanced analytics. Requires Python, APIs, ML infrastructure, PyTorch, TensorFlow, LangChain, and LangGraph.
Python, PyTorch, TensorFlow, LangChain, LangGraph, Azure, Google Cloud, AWS, SQL, Spark, CI/CD, MLOps, LLMOps
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Principal Guidance, Navigation & Controls Scientist
Ventura, California, United States
$270k-$300k/yr OnsiteFull Time
PhD in aerospace engineering or related field; professional GNC experience for vehicles; expertise in state estimation and modern control theory; proficiency with MATLAB/Simulink and algorithm development; US citizenship required.
MATLAB, Simulink
4d
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Process Development Principal Scientist – Drug Product Technologies
Thousand Oaks, California, United States
$142k-$192k/yr OnsiteFull Time
2+ YOEDoctorate, or master's with 2 years or bachelor's with 4 years of scientific experience. Requires biologics drug product development expertise; formulation, process development, analytical, stability, and regulatory experience preferred.
AI/ML, LLMs, UPLC, HPLC, SEC, IEX, RP-HPLC, HIC, CE-SDS, LC-MS, automation, data science
3w
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Principal Scientist - Clinical Pharmacology Modeling and Simulation
Thousand Oaks, California, United States
$148k-$200k/yr HybridFull Time
2+ YOEAdvanced degree in relevant quantitative discipline with 2–7 years clinical pharmacology/pharmacometrics/modeling and simulation experience; expertise in population PK/PD, PBPK, exposure-response, and regulatory submissions.
2w
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Principal Scientist – Chemical Biology & Proximity-Based Therapeutics
Thousand Oaks, California, United States
$140k-$190k/yr OnsiteFull Time
2+ YOEPhD/MS/BS in chemical biology or related field with industry experience (2–7 years depending on degree), expertise in chemical biology, phenotypic screening, and mechanism-of-action studies.
2d
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2027 Principal Research Scientist - Directed Energy and Thermal Physics - Manhattan Beach CA
Manhattan Beach, California, United States
$114k-$171k/yr OnsiteFull Time
Completing or completed a PhD in applied physics, materials science, electrical engineering, thermal physics, or related field; U.S. citizenship and eligibility for government clearance required.
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