105 principal researcher jobs at 42 companies in Aromas, CA
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Principal Researcher
Santa Clara or United States
$174k-$249k/yr OnsiteFull Time
2+ YOEPh.D. in a quantitative field and 2+ years post-Ph.D. research or equivalent industry experience in large-scale geospatial data algorithms; expertise in computer vision, ML/DL, Python, geospatial tools, and cloud platforms.
PyTorch, TensorFlow, Google Earth Engine, Planetary Computer, Xarray, Rasterio, GDAL, Apache Sedona, Python, AWS, GCP, Azure, STAC, COG, OGC, SAR, IoT
3mo
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Principal Researcher, Botnet & DDoS Threats
San Jose, California, United States
$200k-$215k/yr HybridFull Time
Strong binary reverse engineering, malware analysis, and network protocol expertise; Python/Go proficiency; clear cross-team communication.
Ghidra, IDA, Capstone, GoReSym, Python, Go, Scapy, tshark, Any.run, Joe Sandbox, Cuckoo, MalwareBazaar, VirusTotal, macOS, Linux
4d
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Principal Market Researcher
Mountain View or San Diego or San Francisco or California or United States
$199k-$273k/yr OnsiteFull Time
12+ YOE12+ years in market research; expert mixed-method research, survey design, statistical analysis, data visualization, AI-enabled research, strategic recommendations, executive communication, and cross-functional influence.
2mo
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Principal Security Researcher
Santa Clara or San Francisco or San Jose
$163k-$263k/yr OnsiteFull Time
Deep hands-on vulnerability research, exploit analysis, IPS/IDS detection, network protocol expertise, strong programming/scripting for research automation, technical leadership, and BS/MS in CS/CE/Cybersecurity or equivalent experience.
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Principal UX Researcher
Mountain View or Redmond or New York City
$143k-$275k/yr HybridFull Time
3+ YOEMixed-methods UX researcher with 3+ years (PhD+3) or equivalent experience; strong qualitative and quantitative skills, communication, AI product experience, and ability to meet Microsoft security screening.
2mo
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Principal Applied Researcher
San Jose or Seattle
$206k-$388k/yr OnsiteFull Time
Masters or PhD preferred in CS or related fields; strong programming and proficiency with PyTorch, TensorFlow, or JAX; experience with transformers, diffusion/GANs, cloud/MLOps, production ML deployment, and reading/prototyping research.
PyTorch, TensorFlow, JAX, Horizon AI Stack
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Principal Researcher – Infrastructure & Systems
San Jose, California, United States
RemotePart Time
2+ YOEDeep knowledge of infrastructure economics, project finance, or urban systems; 2+ years analytical/research experience; strong writing, policy interpretation, and regional familiarity with Asia/Europe/North America.
6d
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Principal/Senior Researcher - Video Standards
Palo Alto, California, United States
$158k-$297k/yr OnsiteFull Time
5+ YOEMaster's degree in a related field, 5+ years of experience, top-tier publications, video compression and coding standards expertise, strong C/C++ skills, and research collaboration ability.
C, C++, HEVC, VVC, VP9, AV1, AVS3, Joint Exploration Model, JVET
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Sr. Principal Cybersecurity Researcher (Unit 42)
Santa Clara, California, United States
$188k-$304k/yr RemoteFull Time
Experienced threat researcher required with threat actor tracking, incident response, technical research, threat intelligence lifecycle, project leadership, cross-team coordination, technical writing, editing, and public speaking experience.
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Principal/Senior Researcher - Video Standards
Palo Alto, California, United States
$158k-$297k/yr OnsiteFull Time
5+ YOEMaster's degree in a relevant field, 5+ years of related experience, top-tier publications, video coding expertise, strong C/C++ skills, and collaboration ability.
C, C++, HEVC, VVC, VP9, AV1, AVS3, Joint Exploration Model (JEM)
1d
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Principal UX Researcher, AI & Developer Platforms
San Jose or Austin or Seattle
$212k-$286k/yr HybridFull Time
Proven complex UX research leadership in product, platform, developer tooling, AI, or technical ecosystems; qualitative and quantitative methods; strategy, systems thinking, senior stakeholder influence, and developer ecosystem fluency.
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Principal Computer Vision Researcher - Advanced Technology Group
Sunnyvale, California, United States
$239k-$293k/yr HybridFull Time
8+ YOEPhD plus 8+ years corporate research experience in imaging or related fields; expertise in image sensors, camera signal processing, AI/ML, publications/patents, GPU/SoC deployment, and C/C++/Python prototyping; leadership experience.
C, C++, Python, GPU, CPU, SoC
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Principal Scientist, Clinical Research - MedTech Surgery
Santa Clara or Cincinnati
$134k-$231k/yr OnsiteFull Time
8+ YOEBachelor’s degree in biological science, engineering, or related field; 8+ years of clinical research experience; expertise in clinical research, product development, clinical trials, regulations, and medical device or healthcare research.
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Principal Scientist, Clinical Research - MedTech Surgery
Santa Clara or Cincinnati
$134k-$231k/yr OnsiteFull Time
8+ YOEBachelor’s degree in biological science, engineering, or related field; advanced degree preferred; 8+ years of clinical research experience; expertise in clinical research, product development, global regulations, and clinical programs required.
2mo
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Lead Principal Applied Scientist
Santa Clara or Seattle or United States
$158k-$355k/yr OnsiteFull Time
10+ YOE10+ years applied ML/AI research experience; expertise in dataset preparation, experiment design, model training/fine-tuning, evaluation, deployment, and publication; strong coding, version control, and leadership skills.
3mo
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Principal Scientist, Cancer Pharmacology, Translational Research
Redwood City, California, United States
$190k-$238k/yr OnsiteFull Time
5+ YOEPhD in Pharmacology or Cancer Biology; 5+ years in oncology drug discovery; leadership and PK/PD expertise.
3mo
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Principal Applied Scientist, Music Catalog and Search, Amazon Music Search and Catalog
Sunnyvale or San Francisco
$229k-$309k/yr OnsiteFull Time
10+ YOEPhD or master's with 10+ years in applied research; expertise in content understanding, foundational models, and large-scale data systems.
Foundation Models, Knowledge Graphs, Distributed Data Systems, Search and Retrieval
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Principal Machine Learning Engineer, Geometric Vision
Sunnyvale, California, United States
$407k-$460k/yr HybridFull Time
Principal-level expertise in 3D or geometric vision, deep learning at scale, Python and C++, mathematical foundations, and leading research problems from concept through production systems.
PyTorch, Python, C++, SLAM, NeRFs, Gaussian Splatting, LiDAR
5d
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Principal Architect, Performance Analysis and Modeling
Santa Clara or Seattle or United States
$175k-$285k/yr HybridFull Time
6+ YOEBSEE with 6+ years or MSEE with 4+ years of industry experience; knowledge of computer architecture, HW/SW co-design, performance modeling, ML fundamentals, and C/C++ or Python programming.
C, C++, Python
3mo
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Principal AI Research Engineer
San Jose, California, United States
$270k-$340k/yr OnsiteFull Time
MS or PhD in CS or CE; deep ML/AI expertise with transformers and foundation models; strong software practices; experience prototyping and evaluating research to production.
PyTorch, TensorFlow
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