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Principal Reliability Engineer
Fremont, California, United States
$114k-$196k/yr OnsiteFull Time
3+ YOE3+ years reliability engineering; MSc/PhD in related field; experience with Telcordia standards, reliability modeling, and qualification execution.
Semiconductor device reliability, Wearout failure modes, Arrhenius equation, Acceleration factors, Random failure modes, FIT calculations
3mo
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Principal Mechanical Engineer
Milpitas, California, United States
$150k-$225k/yr OnsiteFull Time
15+ YOE15+ years in design/implementation of complex R&D or semiconductor equipment; Masters in Mechanical Engineering; expertise in thermal, vacuum systems, and precision mechanical design.
SolidWorks, NX, COMSOL, ANSYS
1mo
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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
2mo
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Battery Integration Principal Engineer
Fremont, California, United States
$185k-$200k/yr OnsiteFull Time
7+ YOEBachelor’s degree in engineering; 7+ years in battery engineering and lithium-ion; knowledge of testing, certification (UN38.3, UL1642, IEC 62133); strong documentation, PM, and customer-facing skills.
Battery testing, Data analysis tools, Documentation tools, Project management software
2w
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Principal Software Engineer, Endpoint Platform
Milpitas or Vancouver
$240k-$250k/yr HybridFull Time
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
1mo
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Sr. Principal Engineer
Fremont, California, United States
$179k-$257k/yr OnsiteFull Time
15+ YOESenior-level engineering position focused on network engineering and security; extensive hands-on experience with Cisco tech, WAN/LAN, and project leadership.
Cisco, VPN, SDWAN, Python, Ansible
2mo
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Principal Mechanical Engineer (Robotics / Mechatronics for Fab Solutions)
Fremont, California, United States
$139k-$188k/yr HybridFull Time
7+ YOEBachelor's or graduate degree in mechanical engineering; 7+ years in mechanical engineering; 3+ years in NPI; strong 3D CAD (Pro/E, SolidWorks); experience with robotics/automation; good communication; IP/patent knowledge is a plus.
ProE, SolidWorks, FEA, CFD, AutoCAD
2mo
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Principal Engineer, Hardware Development Engineering
Milpitas, California, United States
$126k-$209k/yr OnsiteFull Time
5+ YOE5–10+ years in high-performance hardware design; BS or MS in Electrical/Computer Engineering; strong PCB/digital design and debugging skills.
Cadence Allegro, OrCAD, PCB design tools
1mo
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Senior/Principal Machine Learning Engineer
Pleasanton or Seattle
$228k-$342k/yr HybridFull Time
7+ YOE7+ years ML engineering experience (10+ for principal), strong ML/deep learning background, experience with LLMs and production model hosting, cloud experience (AWS/GCP), leadership/mentoring experience, Bachelor's in CS/engineering/physics/math required (advanced degrees preferred).
PyTorch, TensorFlow, AWS, GCP
3mo
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Applications Engineer - Principal/Senior Principal Engineer
Ann Arbor or Lowell or Milpitas
$98k-$200k/yr OnsiteFull Time
5+ YOE5+ years in optoelectronics/photonics; Bachelor's or Master's in Engineering/Physics; RF and optical testing expertise; cross-functional collaboration; willingness to travel; fluent in English.
PNA, RF testing equipment, optical testing
2mo
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Principal Electrical Engineer - Applied Technology Services (ATS) (Danville, CA, US, 94583)
Danville, California, United States
$151k-$257k/yr OnsiteFull Time
10+ YOEBachelor’s degree in engineering; 10 years related experience; leadership of electrical engineering projects.
Arc Flash, Grounding, High Voltage Testing, Electrical Safety, Failure Analysis
1mo
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Principal Mechanical Engineer
Milpitas, California, United States
$150k-$235k/yr OnsiteFull Time
12+ YOEMaster's in Mechanical Engineering, 12+ years mechanical engineering experience (semiconductor preferred), SolidWorks, FEA, thermal/vibration/acoustic analysis, LabVIEW and MATLAB, supplier management, cleanroom and high-voltage experience.
SolidWorks, FEA, LabVIEW, MATLAB
5d
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Principal Civil Engineer
Pleasanton, California, United States
$160k-$225k/yr OnsiteFull Time
15+ YOECalifornia PE license, Bachelor's in Civil Engineering, 15+ years progressive civil engineering experience with public works or land development, proven client relationship and leadership skills, business development experience preferred.
AutoCAD Civil 3D
3w
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Principal Systems Engineer
Milpitas or Hillsboro
$160k-$240k/yr OnsiteFull Time
10+ YOEMaster's in engineering, 10+ years systems design/integration experience in semiconductor equipment or precision instrumentation; multidisciplinary systems expertise; technical leadership and stakeholder management; MATLAB/Simulink familiarity preferred.
MATLAB/Simulink
3w
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Principal Laser Engineer
Milpitas, California, United States
$139k-$231k/yr OnsiteFull Time
2+ YOEMS in engineering/physics/material science/chemistry (or PhD) with industry experience (MS+5y or PhD+2y). Hands-on fiber and free-space optics, alignment, optical measurement instruments, and strong communication skills; US work eligibility required.
SNLO, MATLAB, Python, ZEMAX, FRED
2w
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Principal Software Engineer, Security
San Ramon, California, United States
$221k-$299k/yr HybridFull Time
10+ YOEBachelor's in CS/Electronics or related and 10 years' related experience; expertise in authentication/authorization, distributed systems, AWS/DynamoDB, Kubernetes; technical leadership and experience supervising engineers.
DynamoDB, Amazon Web Services (AWS), Kubernetes, Kubernetes Operator
1mo
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Senior/Principal Engineer – OpenSearch
Fremont or San Francisco or United States
$170k-$220k/yr RemoteFull Time
10+ YOE10+ years software engineering experience, Bachelor's in CS or related, deep OpenSearch expertise, Python and JVM proficiency, AWS experience, large-scale cluster management, migration experience, and strong debugging and communication skills.
OpenSearch, OpenSearch 2.x, Elasticsearch 6.x, Python, JVM, AWS
2w
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Principal Engineer, Applications
Scottsdale or San Jose
OnsiteFull Time
8+ YOEBachelor's in EE with 8+ years in power electronics, strong SiC device knowledge, power converter topology expertise, SPICE/SIMPLIS/Simetrix and MATLAB proficiency; PCB layout, LabView or Python a plus; up to 10% travel.
SPICE simulators, SIMPLIS/Simetrix, MATLAB, LabView, Python
1w
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Principal Infrastructure Engineer
Pleasanton, California, United States
$170k-$230k/yr HybridFull Time
12+ YOEBA required with 12+ years IAM experience; expert in identity lifecycle, IGA, PAM, RBAC, SAML/OAuth/OIDC/SCIM/LDAP/Kerberos; experience with Active Directory/Azure AD, Okta, ServiceNow; strong compliance and stakeholder influence skills.
Okta, Active Directory, Azure AD, ServiceNow, SAML, OAuth, OIDC, SCIM, LDAP, Kerberos
1w
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Principal Mechanical Design Engineer
Livermore, California, United States
$111k-$145k/yr OnsiteFull Time
5+ YOEMechanical design engineer with minimum 5 years' related experience (or equivalent degree/experience), strong 3D CAD skills, GD&T and tolerance knowledge, hands-on prototyping, metrology, and cross-functional troubleshooting.
Autodesk AutoCAD, SolidWorks, SolidWorks PDM
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