14 ai research engineer jobs at 11 companies in Temecula, CA

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Sr Research Engineer - Polymer Materials (Fontana, CA, US, 92337)
Fontana, California, United States
$120k-$135k/yr OnsiteFull Time
James Hardie
James HardieNYSE: JHX: Manufacturer of fiber cement siding and exterior building products.
0+ YOEPhD in polymer science/engineering or MS with 3–10 years of experience; PVC expertise; AI-assisted material characterization; travel ~35%; strong communication.
PVC, extrusion, formulation development, DSC, TGA, DMA, rheometer
3mo
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Senior Manager, Scientific AI Engineer
New York City or La Jolla or Cambridge or Bothell
$139k-$232k/yr OnsiteFull Time
Pfizer
PfizerNYSE: PFE: Develops and manufactures vaccines and medicines for global healthcare
6+ YOEBachelor’s degree + 6+ years OR Master’s 5+ years OR PhD 1+ year; AI/ML in life sciences; Python proficiency; oncology knowledge.
Python, ML frameworks, Data pipelines
2mo
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Sr Engineer, AI/Machine Learning
Irvine, California, United States
$140k-$170k/yr OnsiteFull Time
Masimo
MasimoNasdaq: MASI: Develops noninvasive patient monitoring technologies and consumer audio products.
3+ YOE3+ years in AI/ML, DSP, and deep learning; strong MATLAB/Python/C/C++; experience with PyTorch/TensorFlow; design and deploy ML models for biomedical data.
MATLAB, Python, C, C++, PyTorch, TensorFlow, Keras, scikit-learn
1mo
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Postdoctoral Research Fellow, Computer Science, AI/ML, Computer Graphics, VR/AR/XR, 2026-2027 Academic Year
Orange, California, United States
$71k-$75k/yr OnsiteFull Time, Temporary
Chapman University
Chapman University: Private research university providing undergraduate and graduate degree programs.
Doctorate in CS/engineering/data science (awarded within last 5 years), strong research in ML/deep learning/generative AI, programming and writing skills, publication record, ability to work collaboratively, and current US work authorization.
15h
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Research Team, General Interest (Boston)
Boston or Mission Viejo or California
OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Seeking interdisciplinary researchers and engineers to develop explainable, safe, field-ready AI and robotics systems for unstructured real-world environments.
3mo
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Director, Oncology AI Product & Engineering Lead
New York City or La Jolla or Cambridge or Bothell
$177k-$294k/yr OnsiteFull Time
Pfizer
PfizerNYSE: PFE: Develops and manufactures vaccines and medicines for global healthcare
5+ YOEPhD or Master’s in a related field with significant AI/ML impact; proven leadership of multidisciplinary teams in pharma or healthcare tech; strong oncology R&D domain knowledge.
AI, Machine Learning, Data Pipelines, Prototyping
3w
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Computational & Data Science Research Spec. 2 or 3 - 139471
San Diego, California, United States
$88k-$182k/yr OnsiteFull Time
University of California, San Diego
University of California, San Diego: A public research university providing higher education and healthcare.
2+ YOEBachelor's in CS/Data Science required; 2+ years relevant experience (2-5 yrs typical); strong AI, systems, algorithms, and software engineering skills; Python, cloud, React, HPC experience preferred.
Python, React, cloud computing, HPC, LLM
2mo
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Air-Vehicle Multidisciplinary Design Analysis and Optimization (MDAO) Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
6+ YOE5-7+ years in aircraft/missile design; 3+ years developing MDAO methods; strong scripting (Python/MATLAB); DoD Secret clearance with SAP eligibility; AI/ML in engineering; DoD security clearance able to obtain.
Python, MATLAB, Git, C, C++, FORTRAN, CAD scripting
1d
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Postdoctoral Scholar in Advanced Manufacturing Systems
Riverside, California, United States
$71k-$86k/yr OnsiteFull Time, Contract
University of California
University of California: A public research university system providing education and healthcare.
Ph.D. by appointment in mechanical, industrial, manufacturing engineering, computer science, robotics, or a related field; research background in AI/ML, analytics, optimization, or digital twins preferred.
Artificial Intelligence (AI), digital twins, robotics, big data analytics, machine learning, sensor data, image data, video data, machine-log data
1mo
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Postdoctoral Positions in AI for Medicine and Pathology
Irvine, California, United States
$67k-$80k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
Doctoral degree or near-completion in CS/Biomedical Engineering/Bioinformatics, strong ML/DL background, programming in Python/C/C++, PyTorch experience, version control (Git), and a record of first-author publications.
Python, C, C++, PyTorch, Git, GitHub
1mo
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POSTDOCTORAL SCHOLAR POSITION: GENERATIVE AI FOR HEALTH AND MEDICINE (SHAH LAB)
Irvine, California, United States
$67k-$80k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
PhD or MD/PhD in CS, biomedical informatics, engineering, statistics or related; experience with deep learning, medical imaging, EMR/genomic data, strong programming and publication record.
OpenCV, Theano, Caffe, Keras, TensorFlow, AlexNet, ImageNet, MNIST, MySQL, MongoDB, Python, MATLAB, C++, Java, Git, GitHub
2mo
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Data Engineering Intern, AI & Analytics - Fall 2026
Palo Alto or Irvine
$45-$51/hr OnsiteInternship, Full Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle technology and AI-driven connectivity solutions.
Currently pursuing an MS or PhD in CS/ML/EE or related field; strong Python skills, experience with PyTorch or TensorFlow, solid ML/deep learning and reinforcement learning fundamentals, and familiarity with multimodal/foundation models.
Python, PyTorch, TensorFlow, Cursor
2mo
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Principal, Technical Product Manager
Dallas or Irvine
$112k-$158k/yr OnsiteFull Time
Cotality
Cotality: Provides property data, analytics, and workflow intelligence solutions.
7+ YOE7+ years in Technical Product Management, Software Engineering, or AI research; strong communication; cloud and AI stack experience.
LangChain, LlamaIndex, vLLM, HuggingFace, Triton Inference Server, Kubernetes, GPU/TPU orchestration, AWS, GCP, Azure, Vector databases
1mo
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Artificial Intelligence Scientist IV
Los Angeles or Irvine
$208k-$354k/yr OnsiteFull Time
Capital Group
Capital Group: Providing active investment management and research-driven financial strategies
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