89 research scientist jobs at 29 companies in Calimesa, CA
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Senior Research Scientist
Orange, California, United States
$85k-$90k/yr OnsiteFull Time
1+ YOEPh.D. in philosophy/psychology/neuroscience, 1+ year postdoctoral research, 5+ peer-reviewed publications, proficiency with MATLAB/JASP/R, EEG experience, strong writing and presentation skills.
MATLAB, JASP, R, EEG
3w
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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
1mo
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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
2w
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Sr. Scientist/Sr. Scientist II - Pharmacology
Aliso Viejo or San Clemente or Burlington
$119k-$148k/yr OnsiteFull Time
4+ YOEPh.D. in a relevant life science discipline and 4+ years of industry experience; expertise in ocular pharmacology, study design, data interpretation, regulatory submissions, and cross-functional research collaboration.
CROs, in vitro, ex vivo, in vivo, IND, NDA, BLA
1mo
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Project Scientist Pool
Irvine, California, United States
$79k-$209k/yr OnsiteFull Time, Part Time
Ph.D. in physical climate, atmospheric chemistry, biogeochemistry or related field; proven research track record; submit CV, research statement, and references.
3w
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Scientist - Plasma Fueling & Wall Conditioning
Foothill Ranch, California, United States
$115k-$140k/yr OnsiteFull Time
Ph.D. in physics or a related field required. Expertise in plasma research, fueling, wall conditioning, plasma-wall interactions, or particle transport; recent graduates welcome.
Microsoft Office Suite, Python, Matlab, IDL, high voltage power supplies, voltmeters, oscilloscopes, ionization gauges, pneumatics, high speed gas valves, cryogenics
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Scientist I
Irvine, California, United States
OnsiteFull Time
0+ YOEBachelor's in a scientific discipline, 0–2 years laboratory experience, knowledge of sterilization/disinfection, lab safety and regulatory standards (FDA, ISO), strong communication and problem-solving skills.
2mo
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Scientist I
Irvine, California, United States
$65k-$109k/yr OnsiteFull Time
0+ YOEBachelor's in a scientific discipline, 0-2 years lab experience, knowledge of sterilization/disinfection preferred, understanding of GxP/QSR/FDA/ISO, strong communication and problem-solving, ability to run and document experiments and draft technical reports.
1mo
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Artificial Intelligence Scientist IV
Los Angeles or Irvine
$208k-$354k/yr OnsiteFull Time
10+ YOEMS in CS/AI/ML required (PhD preferred), 10+ years relevant experience, expertise in LLMs, generative and agentic AI (RAG, PEFT, instruction fine-tuning, prompt engineering), transformers and deep learning, publication record, ability to collaborate with engineering and mentor scientists.
Deep Neural Networks, Large Language Models (LLMs), RAG, Transformers, Agentic AI
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Scientist (Mass Spectrometry)
San Juan Capistrano, California, United States
$85k-$110k/yr OnsiteFull Time
BS in biology/chemistry required; 5-7 years HPLC and LC-MS/MS experience (reduced with advanced degree); ability to design, validate assays and prepare technical documentation.
HPLC, LC-MS/MS
8h
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Scientist l, Pathology
Irvine, California, United States
$75k-$143k/yr OnsiteFull Time
5+ YOEBachelor's degree with typically 5+ years or master's degree with typically 2+ years relevant experience; hands-on histology, IHC, tissue processing, staining, microscopy, assay development, and data interpretation experience.
microscopy, immunohistochemistry (IHC), histology, SOPs
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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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Scientist, Analytical Development
Tustin, California, United States
$110k-$137k/yr OnsiteFull Time
8+ YOEBS in biochemistry/chemistry/biology required, 8+ years analytical/QC biotech experience, method development and validation experience with HPLC/CE/ELISA, GMP and report/procedure writing, supervisory experience.
ELISA, HPLC, CE, SDS-PAGE, Maurice
6d
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Scientist II - Bioprocessing
Irvine or Santa Ana or United States or Europe or China or Japan
$85k-$111k/yr OnsiteFull Time
2+ YOEBachelor's degree in science, bioscience, engineering, or bioengineering plus 5 years' relevant experience, or master's degree plus 2 years' lab experience; requires mammalian cell culture, bioreactor, assay, GLP/GMP, and English proficiency.
Microsoft Suite, dPCR, PCR, qPCR, immunoassay, Biosafety cabinets
2mo
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Innovation Scientist
Orange, California, United States
$115k-$130k/yr OnsiteFull Time
5+ YOEBS in a relevant science, 5+ years R&D/manufacturing experience in dietary supplements, formulation and prototyping experience, strong scientific storytelling, cross-functional collaboration, and customer-facing technical support.
E-Verify
1w
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Environmental Scientist
Fayetteville or Austin or Houston or Irvine or Emeryville or Olympia or Lakewood or Helena or Missoula or Syracuse
$65k-$85k/yr HybridFull Time
Advanced degree in toxicology or related field; strong communication, critical thinking, and problem-solving skills; statistical analysis, data visualization, modeling, Microsoft Office, and programming in R or Python preferred.
Microsoft Office, R, Python, ESRI ArcGIS
2w
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Clinical Scientist
Irvine, California, United States
$160k-$170k/yr RemoteFull Time
5+ YOEPhD, PharmD, or advanced medical/life sciences degree preferred; 5+ years in medical devices, including 2+ years writing clinical investigation plans and clinical study reports; strong clinical analysis and medical writing skills.
Microsoft Office, Adobe Acrobat
3d
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Environmental Scientist
Orange County or Seal Beach or California or Sacramento
$4k-$9k/mo HybridFull Time
Analyzes environmental data, conducts field assessments and sampling, supports oil spill response, and develops technical and restoration plans. Requires environmental field experience, technical writing, stakeholder coordination, and California driver's license.
State vehicles
3w
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Scientist, Quality Technical Services
Lake Forest, California, United States
OnsiteFull Time
5+ YOEBachelor's degree in a scientific discipline and 5+ years of experience in nutritional product development, reformulation, and manufacturing support in a cGMP environment; Microsoft Office and PLM proficiency required.
Microsoft Office, Product Lifecycle Management (PLM)
3mo
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Scientist, Staff (Machine Learning & Simulations)
Irvine, California, United States
$124k-$158k/yr OnsiteFull Time
5+ YOE5+ years experience in cardiac electrophysiology, simulation, and ML; strong programming in Python,C++,MATLAB; experience with OpenCV, TensorFlow, PyTorch; excellent communication and collaboration skills.
Python, C++, MATLAB, OpenCV, TensorFlow, PyTorch
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