1,171 principal engineer jobs at 232 companies in Morgan Hill, CA
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Principal Engineer, Identity Data Security and Trust
Menlo Park, California, United States
$264k-$380k/yr OnsiteFull Time
12+ YOE12+ years software engineering; 5+ years as principal/architect; security, DLP, cloud infra.
Java, Go, C++, AWS, GCP, Azure, TLS, HTTP, DNS
1mo
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Sr Principal Engineer Manufacturing
Sunnyvale, California, United States
$129k-$194k/yr OnsiteFull Time
8+ YOEUS citizen with Bachelor's in STEM +8 years (or Master's +6) experience, engineering drawing interpretation, continuous improvement, technical writing, and process engineering for fabrication/welding/machining.
6d
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Principal Engineer, Human Factors
Malvern or Milpitas
$117k-$201k/yr HybridFull Time
8+ YOEBachelor’s degree in a relevant engineering or design field with 8 years’ experience, or 6 years with a master’s or 4 with a PhD; medical device human factors and usability engineering experience required.
Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SAP Product Lifecycle Management, ISO, FDA, ASTM
3mo
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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
6d
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Principal Engineer, Human Factors
Malvern or Milpitas
$117k-$201k/yr HybridFull Time
8+ YOEBachelor's degree and 8 years of relevant experience, or 6 years with a master's or 4 with a PhD; human factors and usability engineering experience with medical devices or combination products required.
Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SAP Product Lifecycle Management, ISO, FDA, ASTM
4w
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Principal Engineer, Online Systems
San Francisco or Palo Alto
$285k-$500k/yr HybridFull Time
12+ YOE12+ years of software engineering experience with distributed systems expertise; proficiency in C++, Java, or Python; technical strategy and cross-functional leadership; bachelor's degree or equivalent experience.
C++, Java, Python, Kubernetes
3mo
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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.
2w
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Principal Engineer, Embedded Vehicle Software
Sunnyvale, California, United States
$348k-$458k/yr HybridFull Time
15+ YOE15+ years in software and systems engineering; expertise in embedded systems, C/C++, architecture, performance optimization, and production-scale systems; experience influencing large engineering organizations.
C++, C, Python, Rust, NVIDIA Drive, Orin, DriveOS, DriveWorks, AUTOSAR, NVIDIA, Qualcomm
3mo
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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
3mo
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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
2w
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Principal Engineer- Optics Manufacturing Integration
Vista or San Diego or Santa Clara or Colorado Springs
$159k-$250k/yr OnsiteFull Time
15+ YOERequires a bachelor's degree in engineering or related field, 15+ years in optoelectronic or microelectronics manufacturing, process development, technology transfer, and automated manufacturing tools.
DOE, FMEA, Six Sigma
2w
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Principal Engineer- Optics Manufacturing Integration
Vista or San Diego or Santa Clara or Colorado Springs
$159k-$250k/yr OnsiteFull Time
15+ YOEBachelor's degree in engineering or materials science and 15+ years in optoelectronic or microelectronics manufacturing, including process development, assembly, technology transfer, and automated tools.
DOE, FMEA, Six Sigma
1w
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Principal Engineer, Cloud Capacity Planning
Sunnyvale, California, United States
$307k-$427k/yr OnsiteFull Time
15+ YOEBachelor's degree or equivalent practical experience, 15 years of software engineering experience, and experience delivering large-scale capacity planning, IaaS/PaaS, or fleet management systems.
IaaS, PaaS, TPUs, GPUs
2w
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Principal Engineer- Optics Manufacturing Integration
Vista or San Diego or Santa Clara or Colorado Springs
$159k-$250k/yr OnsiteFull Time
15+ YOEBachelor's degree in engineering or related field, 15+ years in optoelectronic or microelectronics manufacturing, process development, technology transfer, and automated manufacturing tools; US citizenship or green card required.
Design of Experiments (DOE), Failure Mode and Effects Analysis (FMEA), Six Sigma
5d
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Principal Engineer - Supply Chain Planning
United States or Palo Alto
$1-$50/yr RemoteFull Time
12+ YOERequires 12+ years of software engineering experience, 0-to-1 platform ownership, production ML/AI platform expertise, data systems and API skills, and strong stakeholder communication. Supply chain experience preferred.
AI, LLM, Google Meet, Zoom
3mo
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Principal Mechanical Engineer - Instruments
Orange or Sunnyvale
$220k-$330k/yr OnsiteFull Time
15+ YOEBachelor’s or Master’s in Engineering; 15+ years medical device exp; advanced mechanical instrument development; regulatory compliance; design leadership and mentorship.
Mechanical Engineering, Robotics, Medical Devices, Regulatory Compliance
3mo
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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)
1mo
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Sr Principal Engineer Manufacturing
Sunnyvale, California, United States
$129k-$194k/yr OnsiteFull Time
8+ YOEBachelor's in STEM with 8 years (or Master's with 6 years), US citizenship, experience reading engineering drawings, continuous improvement, technical writing, and supporting multiple production shifts.
4w
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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.
1mo
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Senior Associate Principal Engineer
Union City, California, United States
$155k-$175k/yr OnsiteFull Time
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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