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390 principal engineer jobs at 127 companies in Manteca, CA

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Transportation Principal Engineer
Walnut Creek, California, United States
$180k-$260k/yr HybridFull Time
CONSOR Engineers
CONSOR Engineers: Provider of infrastructure engineering and construction management services.
15+ YOEBachelor's degree in civil or structural engineering, 15 years of transportation engineering experience, Professional Engineer license, and AutoCAD and Civil3D proficiency.
AutoCAD, Civil3D
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1mo
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Principal Environmental Engineer
San Diego or Concord or Knoxville or Denver or Norfolk or Canton
$175k-$225k/yr RemoteFull Time
APTIM
APTIM: Provides environmental, resilience, and infrastructure engineering solutions.
15+ YOEMaster's in Environmental Engineering, PE license, 15+ years environmental engineering experience (DoD/CERCLA), leadership experience on federal remediation projects, ability to travel, strong verbal and written communication.
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Principal Applications Engineer
Austin or San Jose or San Diego
OnsiteFull Time
NXP Semiconductors
NXP SemiconductorsNASDAQ: NXPI: Designs and manufactures semiconductors for automotive and IoT applications.
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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2mo
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Principal Network Engineer
Austin or Milpitas
OnsiteFull Time
Graphcore
Graphcore: Produces specialized processors for artificial intelligence workloads.
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 Engineer Silicon Photonics
San Jose, California, United States
OnsiteFull Time
Lumilens
Lumilens: Designs photonic interconnects for AI supercomputing infrastructure.
Lead silicon photonics product development; strong leadership; hands-on lab work; startup pace.
Silicon photonics, Packaged optics, Optical engineering, Simulation, Python (preferred)
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Senior Principal Optoelectronics Engineer
Fremont, California, United States
$166k-$230k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
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.
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Senior Associate Principal Engineer
Union City, California, United States
$155k-$175k/yr OnsiteFull Time
Southland Industries
Southland Industries: National expert in mechanical, electrical, and plumbing building systems.
10+ YOEPE license required, Bachelor's in Mechanical Engineering, ~10+ years mechanical design/construction experience, HVAC/plumbing system design knowledge, Revit/CADD/Microsoft Excel skills, strong communication and public speaking.
Revit, CADD, Microsoft Excel
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Principal Engineer, Material Handling & Warehouse Automation
Auburn Hills or Florence or Grand Junction or Memphis or Richardson or Salt Lake City or Grantsville or San Jose or Saint Petersburg or Tampa
$126k-$227k/yr FieldFull Time
Jabil
JabilNYSE: JBL: Provider of comprehensive global manufacturing and supply chain solutions.
12+ YOEBachelor's degree in engineering or a related technical field and 12+ years in warehouse automation, material handling, manufacturing, and supplier or integrator execution. Requires multi-site deployment and cross-functional leadership experience.
AMR, AGV, FMR, ASRS, VLM, WMS
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Principal Design Engineer
San Jose, California, United States
$176k-$298k/yr OnsiteFull Time
Micron Technology
Micron TechnologyNASDAQ: MU: Designs and manufactures semiconductor memory and data storage solutions.
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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3mo
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Principal Mechanical Engineer- Video Collaboration
San Jose, California, United States
$160k-$210k/yr HybridFull Time
Logitech
LogitechNasdaq: LOGI: Designs and manufactures computer peripherals and hardware solutions.
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
Analog Devices
Analog DevicesNASDAQ: ADI: Designs and manufactures semiconductors for signal processing and power management.
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
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
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
Bloom Energy
Bloom EnergyNYSE: BE: Manufactures solid oxide fuel cell systems for onsite power.
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
Microchip Technology
Microchip TechnologyNasdaq: MCHP: Manufacturer of microcontrollers, analog, and mixed-signal integrated circuits.
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
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Principal Engineer, SerDes Validation
San Jose, California, United States
$180k-$230k/yr OnsiteFull Time
Ayar Labs
Ayar Labs: Develops optical interconnect technology for high-speed data movement.
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
Astera Labs
Astera LabsNASDAQ: ALAB: Designs connectivity solutions for cloud and AI infrastructure.
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- SoC/Chip Lead
San Jose, California, United States
HybridFull Time
Renesas Electronics
Renesas ElectronicsTokyo Stock Exchange: 6723: Designs and manufactures semiconductors for automotive and industrial systems.
20+ years semiconductor experience; leadership as SoC/Chip Lead; expertise in SoC architecture, RTL, verification, physical design, DFT, STA, low-power, silicon bring-up, SerDes and packaging; BS/MS/PhD in EE/CE.
UALink, Ethernet
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2mo
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Senior Principal Engineer – Imaging, Digital Solutions
Santa Clara, California, United States
$131k-$261k/yr OnsiteFull Time
Abbott
AbbottNYSE: ABT: Provides medical devices, diagnostics, and science-based nutritional products.
10+ YOEBachelor’s in CS/EE or related field; 10+ years software engineering, 5+ years in Imaging; expertise in medical image visualization, 2D/3D/4D rendering, and regulatory-focused design.
AWS, Azure, GCP, Kubernetes, Terraform, GitHub, Datadog, OpenTelemetry, Kafka, Spark, NumPy, SciPy, PyTorch, VTK, Qt/QML
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Sr Principal Systems Engineer / ICT Lead
West Valley City or San Jose or Anaheim
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOE8+ MgmtU.S. citizen with active/obtainable TS/SCI with polygraph, STEM degree, ~10+ years relevant experience including 8+ years leading software/system engineering and defense/IC experience, program/project planning, and technical leadership.
Git, Jira
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1mo
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Principal Software Engineer, Endpoint Platform
Milpitas or Vancouver
$240k-$250k/yr HybridFull Time
Saviynt
Saviynt: Provides AI-powered identity governance and cloud security platforms.
2+ YOEPrincipal-level systems software engineer with 2+ years principal experience; strong C++, Rust, or Go; deep OS internals and endpoint security knowledge; experience with EDR/XDR/DLP/PAM/PEDM, ETW/eBPF, AI-assisted development tools, and AI/agent architectures.
C++, Rust, Go, EDR, XDR, DLP, PAM/PEDM, ETW, eBPF, GitHub Copilot, Cursor, Claude Code, Windsurf, ChatGPT, CI/CD, MCP, LLM
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