644 principal engineer jobs at 123 companies in Orting, WA
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Principal Engineer
Seattle, Washington, United States
$174k-$274k/yr HybridFull Time
5+ YOE5+ years building ML/AI infrastructure, expert ML lifecycle and large-scale system design, proficiency in Python and ML frameworks, MLOps and CI/CD experience.
Python, PyTorch, TensorFlow, JAX, Go, Java, Scala, MLOps, CI/CD, AWS, GCP, Azure, Spark, Ray, Dask
2mo
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Principal Systems Engineer
Bothell, Washington, United States
$137k-$186k/yr OnsiteFull Time
8+ YOEAssociate degree and 8+ years engineering experience required; systems engineering, requirements management, MBSE, FMEA, MS Office proficiency; strong analytical and problem-solving skills.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
3mo
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Principal Mechanical Engineer
Seattle, Washington, United States
$139k-$292k/yr OnsiteFull Time
10+ YOESenior mechanical engineer with leadership in design, reliability, manufacturing, and thermal management; expertise in CAD, FEA, and cross-functional collaboration.
CAD (ProE, SolidWorks), FEA, CFD, FloTHERM, Icepak, Java, Python
2mo
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Principal Process Engineer
Redmond or Seattle
$134k-$154k/yr OnsiteFull Time
12+ YOEBS in engineering with 12+ years in pharma/biotech; SME in cell culture and chromatography; GMP single-use systems; project leadership.
2mo
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Principal Environmental Engineer
Seattle or Bellevue
$165k-$205k/yr HybridFull Time
15+ YOE15+ years environmental consulting; ABET-accredited BS or MS in civil/environmental engineering; WA PE license; remediation design and regulatory experience.
GIS
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Principal Engineer - Stablecoin
Jersey City or Seattle or Plano or San Francisco or Charlotte
$157k-$230k/yr HybridFull Time
Experience designing and building secure, scalable financial blockchain apps and smart contracts; multi-cloud, multi-region; cloud providers (AWS, GCP, Azure); web3 protocols; Solidity/Rust; cryptography; DeFi; code reviews and security analysis; integration with external systems.
Solidity, Rust, Web3, Truffle, Hardhat, Remix, Web3.js, Ethers.js, Terraform, AWS, GCP, Azure
2mo
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Principal Process Engineer
Redmond or Seattle
$134k-$154k/yr OnsiteFull Time
12+ YOESenior process engineer with 12+ years in pharma/biotech life sciences; SME in cell culture biopharmaceutical manufacturing, chromatography, filtration, viral clearance, and drug substance formulation; strong GMP and CQV experience.
DeltaV, GMP, CQV, DCS, PLC, software, validation
2mo
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Principal Engineer, Spacecraft Development Test
Tukwila, Washington, United States
$200k-$230k/yr OnsiteFull Time
12+ YOEBachelor's degree; 12+ years spacecraft integration/test; leadership of multiple campaigns; automation; cross-disciplinary collaboration; strong engineering judgment.
2mo
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Principal Software Engineer, Receiver Products
Seattle, Washington, United States
$240k-$300k/yr HybridFull Time
12+ YOE12+ years software engineering; distributed systems at scale; zero-to-one leadership; backend emphasis; security/compliance in regulated industries; strong communication.
Backend, Distributed systems, REST APIs, Event-driven architectures, Databases, Security, Compliance
2mo
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Principal Safety Methods Engineer
Bellevue, Washington, United States
$168k-$252k/yr OnsiteFull Time
8+ YOE8+ years in system-level thermal-hydraulic analysis; degree in Mechanical, Nuclear, or Chemical Engineering; experience with code assessment and experimental data; knowledge of SQA/NQA-1 preferred.
RELAP5-3D, TRACE, SAS, system analysis tools
1w
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Principal AI/ML Engineer
Seattle, Washington, United States
$267k-$350k/yr OnsiteFull Time
11+ YOE11+ years AI/ML engineering experience, expert coding, enterprise-scale ML systems and platform design, experience with model lifecycle and responsible AI, Bachelor's (preferred Master's).
Python, Spark, Airflow, MLFlow, Kubernetes
1mo
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Principal Engineer - Transmission and Asset Integration (Bellevue, WA, US, 98004)
Bellevue, Washington, United States
$125k-$207k/yr HybridFull Time
10+ YOEBS in engineering or PE, ~10+ years engineering experience, advanced technical expertise in transmission and asset integration, experience leading projects, strong communication and collaboration skills; safety-sensitive role with pre-employment drug screening.
OATI
5d
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Principal Datacenter Electrical Engineer (200039183)
Redmond, Washington, United States
OnsiteFull Time
Principal-level electrical engineering experience for datacenter design, power distribution, and reliability; strong technical leadership and cross-team collaboration skills.
2mo
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Principal Design Verification Engineer (Silicon Engineering)
Sunnyvale or Austin or Irvine or Redmond
$210k-$310k/yr OnsiteFull Time
10+ YOEBachelor’s in electrical/computer engineering or computer science; 10+ years in design verification and test bench development.
UVM, OVM, VMM, Python, RTL
2mo
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Principal Forward Deployed Engineer
Bellevue or Chicago or San Francisco or Toronto
$269k-$369k/yr RemoteFull Time
10+ YOE10+ years in production software with distributed systems and identity; expertise in OAuth 2.0/OIDC/SAML, agent security, fine-grained authorization; proven AI hands-on; strong customer-facing authority; independent, founder’s mindset.
OAuth, OIDC, SAML, SCIM, OPA, Cedar, OpenFGA, MCP, A2A, ISO/IEC 42001, EU AI Act
3d
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Principal Engineer - DeviceOS
Seattle or Costa Mesa
$253k-$336k/yr OnsiteFull Time
15+ YOERequires 15+ years building automated verification suites, 5+ years with NixOS, declarative package management, and virtualization; embedded systems experience and technical leadership. Bachelor's degree or equivalent preferred.
Nix, NixOS, C++, AWS, Microsoft Azure, Google Cloud Platform (GCP), Docker, Kubernetes, Jetpack, Lattice, HITL
2w
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Principal Software Engineer
Redmond, Washington, United States
$143k-$275k/yr HybridFull Time
8+ YOEBachelor's in CS (or equivalent),8+ years engineering experience,3+ years technical lead,proficiency coding in C,C++,C#,Java,JavaScript,Python,and experience designing high-scale distributed cloud services.
C, C++, C#, Java, JavaScript, Python
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
2mo
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Principal Supply Chain Engineer - Enterprise Commodity Strategy
Seattle, Washington, United States
$170k-$237k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
10+ YOE10+ years aerospace/ high-reliability experience; Bachelor's in Engineering; strong design, manufacturing, test, and data analytics; leadership and cross-functional leadership.
1mo
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Principal Software Engineer, Developer Tools (US West Coast)
United States or California or Oregon or Washington or Seattle or Paris
$198k-$319k/yr RemoteFull Time
10+ YOE10+ years software engineering experience with 3+ years in staff/principal roles; Bachelor’s in CS/Engineering or equivalent; deep experience in CI/CD, developer platforms, cloud-native infrastructure, observability, and LLM/AI integration; proficiency in Go, Rust, Java, or Python.
Kubernetes, Prometheus, Grafana, Loki, Go, Rust, Java, Python, MCP (Model Context Protocol), Terraform, Pulumi, AWS, GCP, Azure, LLM APIs, GitOps, CI/CD
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