20 ir engineer jobs at 16 companies in Larkspur, CA
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AI Engineer, Search & Knowledge Systems
San Francisco, California, United States
OnsiteFull Time
Experience building production search, retrieval, and knowledge systems; strong software engineering in Python or TypeScript; hands-on with RAG, embeddings, vector search, rerankers, and IR concepts; security and production-readiness mindset.
Python, TypeScript, Embedding models, Rerankers, Lexical search, Semantic search, Hybrid search, Vector search, PostgreSQL, Docker
3mo
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Vision Systems Engineer
San Francisco, California, United States
OnsiteFull Time
5+ YOE5+ years in IR sensor systems, EO payloads, or space imaging; strong Kalman filtering, tracking, data association; CNNs/ML for real-time embedded inference; MATLAB/Python with production C++ experience.
Kalman filters (EKF, UKF), multi-target tracking, data association (JPDA, MHT), MATLAB, Python, C++, CNNs, embedded FPGA and GPU, radiometric modeling, Monte Carlo, hardware-in-the-loop
2mo
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Physical Design Engineer
Sunnyvale, California, United States
$230k-$280k/yr OnsiteFull Time
10+ YOE10+ years physical design experience; expertise in full-chip physical verification, DRC/LVS resolution with ICV or Calibre, IR/EM analysis, 3D/2.5D packaging and die stacking; scripting with Tcl and Python; familiarity with Synopsys tools.
Synopsys, ICV, Calibre, Tcl, Python
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Senior Security Engineer II
San Francisco, California, United States
$149k-$235k/yr HybridFull Time
5+ YOESeveral years owning cloud security in production (including on-call), hands-on AWS and GCP, self-managed Kubernetes, Python and Terraform coding, detection/IR experience, and strong architecture and IAM skills.
AWS, GCP, Kubernetes, MongoDB, CrowdStrike, Tenable, Python, Terraform, SIEM
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Senior Staff Applied AI Engineer - Context Retrieval
Mountain View or San Francisco
$229k-$343k/yr HybridFull Time
10+ YOE10+ years software engineering; deep IR and retrieval systems experience; expertise in LLM-era retrieval and agentic systems; experience building 0→1 retrieval stacks and multi-source data retrieval.
BM25, Lucene, Elasticsearch, OpenSearch, FAISS, ScaNN, HNSW, embeddings, nDCG, MRR, Recall@K, RAG, Python, Java, SQL
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Sr. Staff Physical Design Engineer
Toronto or Mountain View
$191k-$219k/yr HybridFull Time
12+ YOEBachelor's in EE/CE,12+ years physical design experience with large ASIC tape-outs,timing/LVS/DRC closure,3nm experience,proficiency in TCL and Python,EM/IR and Cadence tool experience preferred.
TCL, Python, Shell, Cadence
2mo
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Physical Design Engineer (PD/PnR)
Mountain View or Sunnyvale
$45k-$121k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in EE/CE, 3+ years physical design/PnR experience, hands-on Synopsys Fusion Compiler, STA and timing closure, low-power/UPF implementation, signoff (DRC/LVS/IR/EM), scripting in Tcl/Perl/Python.
Synopsys Fusion Compiler, Static Timing Analysis (STA), Place & Route, Unified Power Format (UPF), Tcl, Perl, Python, DRC, LVS, IR drop, EM analysis, MMMC
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Signal Integrity & Power Integrity Engineer
Mountain View, California, United States
$250k-$350k/yr OnsiteFull Time
5+ YOE5+ years SI/PI signoff experience on advanced-node, high-performance designs; expertise in link budgeting, channel modeling, IBIS-AMI, IR-drop/PDN and EM-aware signoff; hands-on with industry tools listed.
Ansys HFSS, SIwave, RedHawk, Cadence Sigrity, Cadence Clarity, Synopsys, Keysight ADS, IBIS-AMI
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Applied Research Engineer
San Francisco, California, United States
$145k-$196k/yr HybridFull Time
3+ YOE3+ years in applied research, NLP/IR/ML; 1+ year production AI/ML; strong IR; RAG; Python; communicate findings.
Python, Jupyter Notebook, Vector databases, Information retrieval, RAG, LLM evaluation, ranking models, cross-encoders
2mo
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Staff Machine Learning Compiler Engineer
Palo Alto, California, United States
$206k-$258k/yr OnsiteFull Time
Ph.D. or M.S. in computer engineering or related field; strong C/C++ and Python skills; experience with SOC platforms for ML, deep learning models, and compiler pipeline development; familiarity with low-level IRs and hardware-aware optimizations.
C, C++, Python, SOC, Rivian Autonomy Processor (RAP1)
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Security Engineer II
Dublin, California, United States
$125k-$213k/yr HybridFull Time
7+ YOE7+ years information security experience (5+ with a large organization). Strong knowledge of endpoint, cloud, SIEM, EDR/XDR/MDR, log management, threat detection/response and automation. BLS: bachelor's degree preferred or senior certification; strong analytical, organizational and project estimation skills.
Anti-virus/malware protection, Advanced Threat Protection, Log Collection & Analysis, User Behavior Analytics, Vulnerabilities Management, SIEM, EDR, XDR, MDR, IR, File Integrity Monitoring, Endpoint Security, mobile security
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Security Engineer II
Dublin or New York City or Los Angeles or Boston
$125k-$213k/yr HybridFull Time
7+ YOERequires 7+ years of information security experience, 5+ years in a large organization, strong security tools knowledge, project implementation expertise, analytical skills, and a bachelor's degree or equivalent senior certification experience.
Advanced Threat Protection, SIEM, EDR, XDR, MDR, IR
2mo
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Research Engineer - Agent Memory
San Francisco, California, United States
$175k-$250k/yr OnsiteFull Time
Experience with RAG/IR, model training and fine-tuning (LLMs/encoders), strong Python and PyTorch skills, familiarity with vLLM and serving frameworks, evaluation at scale, orchestration of low-latency data pipelines, and clear stakeholder communication.
Python, PyTorch, vLLM
3w
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Staff Machine Learning Engineer, Applied Research
San Francisco or United States
$189k-$390k/yr RemoteFull Time
6+ YOEMS/PhD in CS/ML/NLP/Statistics/Information Sciences,6+ years industry experience,ML/IR research experience,mastery of Java,C++,Python or ML frameworks (Tensorflow,Pytorch,MLFlow),strong communication and problem-solving skills.
Java, C++, Python, Tensorflow, Pytorch, MLFlow
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Software Engineer, Machine Learning - Search Algorithm, Standalone Apps Team
Menlo Park, California, United States
$271k-$347k/yr OnsiteFull Time
12+ YOEBachelor's in CS or equivalent, 12+ years experience with search/IR/ranking, strong ML foundation and systems experience, track record improving relevance, ability to set technical direction across teams.
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Manager, Forensic Technology
San Francisco or Santa Clara
OnsiteFull Time
5+ YOE5+ years digital forensics/IR experience, bachelor’s in CS/engineering/forensics, DFIR tool proficiency, scripting/programming (Python,Rust,C++,C#,Java), relevant certifications, ability to travel, U.S. work authorization required.
Digital Forensics and Incident Response (DFIR), Python, Rust, C++, C#, Java, Artificial Intelligence (AI)
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Applied Science Manager, Sponsored Products and Brands -- Offsite
New York or Seattle or Palo Alto
OnsiteFull Time
4+ YOE3+ Mgmt4+ years applied research; 3+ years managing scientists/ML engineers; 3+ years building ML models; PhD or Masters with 6+ years of applied research; knowledge of ML, NLP, IR, analytics; programming in Java, C++, Python.
Java, C++, Python, AWS, Hadoop, Spark, Pig, Hive
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