696 principal engineer jobs at 149 companies in Patterson, CA
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Principal Applications Engineer
Austin or San Jose or San Diego
OnsiteFull Time
12+ YOEBachelor's degree in Electrical/Electronic Engineering; 12+ years hardware design or applications engineering; experience with high-speed SerDes, Ethernet, PCIe, DP/USB; strong SI/PI; hands-on lab skills.
Oscilloscopes, TDR, VNA, BERT, Protocol Analyzers, Logic Analyzers, S-parameter analysis, Eye/Jitter simulations
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Principal Clinical Engineer
Campbell, California, United States
$188k-$220k/yr OnsiteFull Time
12+ YOELead clinical engineering expert developing medical device technology; oversees preclinical testing, budgeting, and cross-functional collaboration.
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Principal Network Engineer
Austin or Milpitas
OnsiteFull Time
9+ YOE9+ years network engineering; 3+ years in AI/hyperscale datacenters; RDMA/InfiniBand; lossless networking; 400G/800G; BGP/OSPF; VXLAN; NetDevOps; scripting.
RDMA, ROCEv2, InfiniBand, BGP, OSPF, VXLAN, Terraform, Ansible, Python, Go, JSON, Broadcom, Arista, Cisco, Pensando
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Principal PCBA Engineer
Santa Clara, California, United States
$196k-$311k/yr OnsiteFull Time
15+ YOE15+ years in PCBA and materials; BS or MS in Engineering; OEM PCBA experience; strong R&D and DFx skills; able to collaborate across hardware teams.
PCBA, SMT, DOE, FMEA, DFx, NPI, CM
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Principal Electrical Engineer
Santa Clara, California, United States
$157k-$271k/yr HybridFull Time
10+ YOETen+ years electronics design; 5+ years medical device development; MS/PhD in Electrical Engineering; strong PCB, power, EMC, and safety expertise (IEC 60601).
Multilayer PCB Design, Power Electronics, EMC / EMI Mitigation, Isolation Design, Safety Compliance
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Sr. Principal Engineer, Manufacturing Infrastructure
Westlake Village or Santa Clara
$159k-$235k/yr OnsiteFull Time
15+ YOE15+ years in mechanical/electrical engineering for manufacturing infrastructure and test hardware; cross-functional leadership.
CAD, Project management tools
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Principal Engineer Silicon Photonics
San Jose, California, United States
OnsiteFull Time
Lead silicon photonics product development; strong leadership; hands-on lab work; startup pace.
Silicon photonics, Packaged optics, Optical engineering, Simulation, Python (preferred)
1w
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Senior Principal Optoelectronics Engineer
Fremont, California, United States
$166k-$230k/yr OnsiteFull Time
5+ YOEMS/PhD in engineering or science plus 5+ years experience in semiconductor laser design and silicon photonics, NPI experience, cross-functional team management, strong problem solving and communication.
3w
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Principal Design Engineer
San Jose, California, United States
$176k-$298k/yr OnsiteFull Time
8+ YOE8+ years IC design experience, hands-on AI/LLM tool use, expertise in high-speed IO and physical/layout flows, ability to redesign workflows for AI, strong mentorship and technical leadership.
LLM-based assistants, RTL, BSIM, DDR4, DDR5, LPDDR5, LPDDR6, HBM3, HBM3E, HBM4, retrieval-augmented generation (RAG), EDA
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Principal Graphics Engineer
Santa Clara or North America
RemoteFull Time
Proficient in C/C++, Linux internals; real-time graphics stacks; end-to-end ownership; AI tooling; strong communication; self-directed.
C/C++, Linux, OpenGL ES, WebGL, WebGPU, Vulkan, Metal, DirectX, Shader Programming
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Principal Engineer Facilities
Sunnyvale, California, United States
$99k-$148k/yr OnsiteFull Time
5+ YOEBachelor’s in STEM with 5+ years of facilities experience or MS with 3+ years; experience in large manufacturing facility; AutoCAD; US citizenship; strong communication and project management skills.
AutoCAD, Microsoft Office, Microsoft Project
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Principal Mechanical Engineer- Video Collaboration
San Jose, California, United States
$160k-$210k/yr HybridFull Time
8+ YOE8-12+ years in mechanical engineering for high-volume electronics; system-level design; cross-functional leadership; plastics/metals design; Asia-based manufacturing experience; CAD (Creo/SolidWorks); BS in Mechanical Engineering; strong communication.
Creo, SolidWorks
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Principal Engineer, Power Systems Engineering
Wilmington or San Jose or Durham
$157k-$227k/yr OnsiteFull Time
10+ YOE10+ years in power electronics/power systems; BSEE required, MSEE preferred; strong circuit fundamentals; travel up to ~10%; excellent communication.
Python, LabView, Oscilloscopes, Electronic Loads, Spectrum Analyzers
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Principal Opto-Mechanical Engineer
San Jose, California, United States
$177k-$266k/yr OnsiteFull Time
10+ YOESenior-level engineering role focused on end-to-end opto-mechanical system development and leadership.
Optics, Lasers, Tolerancing, Precision motion
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Principal Engineer, Product Compliance
San Jose, California, United States
$176k-$254k/yr OnsiteFull Time
10+ YOE10+ years in compliance engineering with UL/NRTL experience; strong project management and communication skills; ability to travel internationally.
UL, FC1, UL 1741, IEC 62282
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Principal Engineer - Digital ASIC Design
San Jose, California, United States
$70k-$163k/yr OnsiteFull Time
10+ YOE10+ years ASIC/FPGA digital design; SystemVerilog; Cadence/Synopsys front-end; PHY/Serdes knowledge; post-silicon validation; travel up to 25%.
System Verilog, Cadence Tools, Synopsys Tools, VCS, SpyGlass, Design Compiler, PrimeTime, Lab equipment
3w
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Principal Engineer, AMS IP Architecture
Santa Clara or Hillsboro or Folsom or Austin or Phoenix
$221k-$312k/yr HybridFull Time
M.S. or Ph.D. in EE/CE or related, deep SerDes and high-speed link expertise, MATLAB/Simulink modeling, DSP algorithm development, silicon correlation experience, familiarity with C/Verilog-A/SystemVerilog, ability to analyze link budgets.
MATLAB, Simulink, C, Verilog-A, SystemVerilog
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Principal Engineer, SerDes Validation
San Jose, California, United States
$180k-$230k/yr OnsiteFull Time
10+ YOE10+ years in electrical engineering with component and system test, SerDes validation, Python automation, and high-speed optical/electrical test experience.
Test equipment (BERT, DCA, OSA), Python, High-speed SerDes characterization, Signal integrity and eye analysis, CMOS/SoC validation tooling
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Principal Product Application Engineer - PCIe
San Jose, California, United States
$171k-$220k/yr OnsiteFull Time
8+ YOE8+ years in applications engineering or system engineering; strong PCIe knowledge; lab and debugging experience; travel to customer sites; Bachelor's in Electrical or Computer Engineering.
Oscilloscopes, Protocol analyzers, BERT tools, PCIe knowledge, Lab equipment
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Senior Principal Engineer – Imaging, Digital Solutions
Santa Clara, California, United States
$131k-$261k/yr OnsiteFull Time
10+ YOEBachelor's in CS or Electrical/Computer Engineering; 10+ years software engineering including 5+ years imaging; medical image analysis experience; strong frameworks and architecture leadership.
Cloud - AWS, Cloud - Azure, Cloud - GCP, Kubernetes, Terraform, GitHub, GitLab, Azure DevOps, Prometheus, Grafana, Datadog, OpenTelemetry, Kafka, Spark, Databricks, NumPy, SciPy, PyTorch, VTK, MATLAB, Python, C++, Qt/QML
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