22 principal researcher jobs at 12 companies in Gustine, CA
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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
1mo
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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.
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
3w
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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.
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
1w
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Principal AI/ML Research Engineer
United States or California or San Jose or Seattle or Portland or Boston or Chicago
$250k-$289k/yr RemoteFull Time
12+ YOE12+ years in software or ML engineering, including 5+ years in applied AI/ML research. Requires advanced expertise in model architecture, algorithms, Python, deep learning frameworks, distributed AI, cloud, and ML platforms.
Python, PyTorch, TensorFlow, JAX, C++, Java, Ray, DeepSpeed, Megatron, Spark, AWS, Azure, SageMaker, MLflow, Databricks, LanceDB, Pinecone, Qdrant, Milvus, Transformer, Tabular Transformers, LLMs, RAG, LoRA, PEFT, Diffusion, Reinforcement Learning, RLHF, NeurIPS, ICML, KDD, ACL
3w
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Senior Principal Engineer
San Jose, California, United States
HybridFull Time
Define and implement R&D strategy, manage budgets and resources, plan and coordinate R&D projects, lead research and pre‑industrialization, design tests, and produce research reports for management.
3w
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Principal Analog Design Engineer
San Jose, California, United States
$191k-$262k/yr HybridFull Time
6+ YOEPhD+6 years or MS EE+8 years in analog/mixed-signal design; strong experience with ADC/DAC, amplifiers, PLLs, regulators, high-speed and FinFET design; excellent communication.
4d
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Principal Product Manager
San Jose or Sydney or Picton or Irvine or Bangalore or Cambridge or Hangzhou or Shenzen or Taipei
OnsiteFull Time
10+ YOEBachelor’s degree in business, engineering, or related field; 10+ years of product management experience; technology product launches; product lifecycle, pricing, market research, leadership, communication, and analytical skills.
Wi-Fi HaLow (802.11ah), Internet of Things (IoT), MCUs, PRDs, MRDs
1mo
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Senior Principal System Architect
San Jose, California, United States
$323k-$437k/yr HybridFull Time
10+ YOE10+ years in SoC/system architecture or technology research; degree in Computer Engineering; expertise in server-class power management, high-speed IO (PCIe,SATA), security, and system monitoring; strong written and presentation skills.
PCIe, SATA
2w
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Principal Machine Learning Scientist - Agentic Experiences
Seattle or San Jose
$224k-$339k/yr OnsiteFull Time
10+ YOEBS or equivalent,10+ years industry experience, proven experience building agentic/multi-step AI systems, strong Python and ML framework skills, experience with LLM APIs and orchestration, evaluation and productionization experience.
Python, PyTorch, TensorFlow, JAX, LLM APIs, LangChain, LlamaIndex
1mo
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Senior/Principal Strategy Product Manager - AI Coding Product
San Jose, California, United States
OnsiteFull Time
Deep understanding of AI and developer tools; track LLM and code-generation research; engage developers; translate scenarios into capability roadmaps and metrics.
LLMs, fuzzing, static analysis, unit/test frameworks
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