32 research systems engineer jobs at 20 companies in Fontana, CA
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Systems/GPU Research Engineer
San Francisco or Los Angeles
$160k-$320k/yr OnsiteFull Time
Expertise in systems and GPU engineering, GPU architectures, neural network performance, C++/CUDA/Python proficiency, and strong research background with publications preferred.
C++, CUDA, GPGPU, Python, Linux
1mo
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Research Engineer
Pasadena, California, United States
$80k-$105k/yr OnsiteFull Time
3+ YOEBachelor in physics/engineering/optics,3+ years experimental lab experience,2+ years MATLAB/Python,experience with engineered systems,ability to work in cleanroom and lift 20+ lbs,strong communication and teamwork.
MATLAB, Python, SolidWorks, Zemax
1w
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Lead Research Engineer, Search & Retrieval
New York City or Frisco or Toronto or Ann Arbor or Eagan or San Francisco or Los Angeles or Irvine or McLean or Washington
$137k-$255k/yr HybridFull Time
7+ YOEBachelor's or master's in computer science, engineering, or related field; 7+ years building production software; search and retrieval expertise; Python, AWS, OpenSearch or Vespa, distributed systems, and technical leadership.
OpenSearch, Vespa, Elasticsearch, Solr, Lucene, Python, AWS, Kafka, RAG, A/B tests
2w
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Senior Advanced AI Research Engineer
Mountain View or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years with Python and/or Node.js/TypeScript, and 5+ years with AI/ML systems. Research-to-production experience preferred; Kubernetes, databases, tracing, and async Python are bonuses.
Python, Node.js, TypeScript, FastAPI, asyncio, Kubernetes, OpenTelemetry, CI
3mo
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Principal Research & Development (R&D) Engineer
Los Angeles or Irvine or Illinois or United States
$180k-$250k/yr HybridFull Time
10+ YOE5+ MgmtMS or PhD in electrical/computer engineering; 10+ years wireless systems; 5+ years technical leadership; U.S. citizenship; background check/drug test.
C/C++, MATLAB, Python
3w
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Senior Engineer I, Research and Development - FEA
Irvine, California, United States
$101k/yr OnsiteFull Time
5+ YOEBachelor's in Mechanical or Biomedical Engineering, 5+ years R&D medical device experience, 3+ years FEA and Abaqus experience, knowledge of medical device quality systems, strong documentation and communication skills.
Abaqus, Finite Element Analysis (FEA)
3w
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Postdoctoral Scholar in Power Systems Research
Riverside, California, United States
$69k-$83k/yr OnsiteFull Time
PhD in Electrical and Computer Engineering or related field by appointment; conduct independent research in power and energy systems; develop models, algorithms, simulations; publish and collaborate with academic and industry partners.
6d
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Senior Research Scientist/Software Engineer, LLM/Agent Platform (TikTok-Content Ecology AI Innovation & Platform)
San Jose or Los Angeles County or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$254k-$588k/yr OnsiteFull Time
5+ YOEBachelor's or master's degree or equivalent experience; 5+ years in software engineering focused on machine learning, distributed systems, or AI infrastructure; expertise in deep learning frameworks and AI platforms.
PyTorch, TensorFlow, JAX, FLAX, Triton, TensorRT-LLM, FAISS, Milvus, RDMA, NCCL, DeepSpeed, ZeRO, vLLM, LangChain, LlamaIndex
2mo
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Warfighting Systems Analyst, Maritime
Costa Mesa or Quincy
$166k-$220k/yr OnsiteFull Time
8+ YOE8+ years in operations research/systems analysis/mission engineering; experience with M&S, tactical wargaming, DoD M&S tools; mentoring experience; proficiency in C++ or Python; active U.S. Secret clearance required.
Lattice OS, Lattice Mission Simulation, Advanced Framework for Simulation, Integration and Modeling (AFSIM), Brawler, Suppressor, ESAMS, Command PE, C++, Python, Tableau, MATLAB/SIMULINK
3w
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Postdoctoral Scholar - Research Associate
Los Angeles, California, United States
$70k-$71k/yr OnsiteFull Time
PhD in biomedical engineering, optics, physics, electrical or mechanical engineering, or related field; relevant experience in optical systems, OCT, lasers, imaging, programming, or instrumentation preferred.
Optical Coherence Tomography (OCT), MATLAB, Python, C++
2mo
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Embedded Software Engineer - Research And Development (R&D)
Los Angeles, California, United States
$48-$67/hr HybridFull Time
2+ YOEBachelor's or Master's in engineering or computer science, 2+ years embedded systems software development (or Master's), expertise in C and Linux kernel driver development, U.S. citizenship required, background check and drug test contingent.
C, Linux, Linux kernel, ARM, RISC-V, AMD UltraScale+ MPSoC, Microchip PolarFire SoC, IPsec, NIST FIPS 140-3, NIAP Common Criteria
2w
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Mechanical Project Engineer
Los Angeles or Pasadena
$120k-$180k/yr OnsiteFull Time
10+ YOERequires a bachelor's engineering degree and 10+ years designing HVAC building systems for research, healthcare, or higher education facilities; professional engineering registration preferred.
Revit MEP, AutoCAD, Navisworks
2w
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Research Team, General Interest (Boston)
Boston or Mission Viejo or California
OnsiteFull Time
Seeking interdisciplinary researchers and engineers to develop explainable, safe, field-ready AI and robotics systems for unstructured real-world environments.
1mo
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Senior Machine Learning Engineer - USDS Shop Ads
Los Angeles, California, United States
$178k-$416k/yr OnsiteFull Time
5+ YOEProficient in SQL and Python, experience with Hadoop/Spark, strong ML and data engineering skills, analytical problem-solving, and experience improving ad/recommendation systems.
SQL, Python, Hadoop, Spark
1mo
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Staff Machine Learning Engineer - League of Legends
Los Angeles, California, United States
$229k-$320k/yr OnsiteFull Time
6+ YOEBachelor's degree or equivalent practical experience; 6+ years delivering production ML systems, including 3+ years in applied modeling or ML research; complex data, experimentation, mentoring, and cross-functional communication experience.
League of Legends
1w
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Postdoc: Millimeter-Wave Radar Systems, Remote Sensing, and Machine Learning
Pasadena, California, United States
$84k/yr OnsiteFull Time, Temporary
Ph.D. in a relevant scientific or engineering field, radar or microwave remote sensing experience, Python or MATLAB programming, large dataset analysis, peer-reviewed publications, and strong communication skills.
Python, MATLAB
2mo
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Embedded Robotics SDE, Compass
Pasadena, California, United States
$144k-$194k/yr OnsiteFull Time
5+ YOE5+ years professional software development, 3+ years C++ for embedded/real-time systems, 2+ years design/architecture experience, experience with safety-critical/high-reliability processes and translating research/prototype code to production.
C++, MISRA C++, AUTOSAR
2w
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Senior Biomechanist (Accident Reconstruction)
Phoenix or Philadelphia or Charleston or New York City or Atlanta or Los Angeles or United States or Boston or Tampa or San Francisco or Charlotte or Chicago or San Diego or Dallas
RemoteFull Time
4+ YOERequires 4+ years in biomechanics, accident reconstruction, or premises liability; Mechanical or Biomedical Engineering degree; CAD experience; automotive systems knowledge; and PE, PhD, SAE, or ACTAR credentials.
PC-Crash, CAD, 3D modeling, Event Data Recorder, forensic animations
2mo
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Scientist - Applied Laser Physics
Foothill Ranch, California, United States
$115k-$155k/yr OnsiteFull Time
PhD in Physics/Applied Physics/Optical Engineering required; established experience with optical diagnostics and laser systems in plasma or accelerator environments; expertise in interferometry and Thomson scattering; strong mentoring and data-interpretation skills.
3mo
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Product Designer
Los Angeles or New York City
$165k-$175k/yr HybridFull Time
3+ YOE3+ years in UX/UI or product design, Figma and prototyping expertise, experience shipping products, user research and usability testing, building/maintaining design systems, and collaborating with PMs and engineers.
Figma, Cursor, ProtoPie
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