737 principal engineer jobs at 131 companies in Maple Valley, WA
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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
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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.
3mo
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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 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
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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.
5d
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Principal, Security Engineer
Seattle or Seoul
OnsiteFull Time
Internal transfer opportunity for a principal security engineering role; the posting provides no substantive qualifications or experience requirements.
3mo
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Principal Engineer - Direct (49697)
Renton, Washington, United States
$173k-$259k/yr HybridFull Time
8+ YOE8+ years of engineering experience in large-scale eCommerce or platform systems; expertise in Salesforce Commerce Cloud, Salesforce OMS, enterprise middleware, cloud infrastructure, CI/CD, and Terraform.
Salesforce Commerce Cloud, Salesforce OMS, SAP, Braintree, HasbroGo, Avalara, AWS, GCP, Azure, CI/CD, Terraform, AI/ML
2d
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Senior Principal Engineer, Central Ops & Systems
Seattle or Paris
$219k-$352k/yr RemoteFull Time
12+ YOE12+ years of software engineering experience, large-scale distributed systems expertise, cloud and infrastructure knowledge, strategic leadership, mentoring ability, and a bachelor's degree or equivalent experience.
Software Development Life Cycle (SDLC), AWS, GCP, Azure, Kubernetes, Docker
1w
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Principal Engineer, Core - Pinner Journeys
San Francisco or United States or Seattle or Palo Alto
$243k-$450k/yr RemoteFull Time
15+ YOE15+ years in large-scale systems or machine learning; principal-level technical leadership; deep retrieval, ranking, search, representation learning, or generative AI expertise; bachelor's degree or equivalent experience.
AI, Machine Learning, Homefeed, Search, AI Assistant, Large Language Models (LLMs), Foundation Models, Learning-to-Rank, RL, Embeddings, RAG
1w
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Principal Engineer, Core - Pinner Journeys
San Francisco or United States or Palo Alto or Seattle
$243k-$450k/yr RemoteFull Time
15+ YOE15+ years in large-scale systems or machine learning, deep expertise in retrieval/ranking, representation learning, search, or generative AI, technical strategy leadership, and a bachelor's degree or equivalent experience.
AI, machine learning, large language models, foundation models, retrieval, ranking, representation learning, embeddings, multi-modal models, dense and sparse retrieval, search systems, indexing, learning-to-rank, bandits, reinforcement learning (RL), generative AI, prompting, fine-tuning, retrieval-augmented generation (RAG), agents, causal inference
4d
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principal engineer, AI Experiences, Enterprise Applications & Decision Platforms
Seattle, Washington, United States
$174k-$290k/yr HybridFull Time
10+ YOE10+ years in software engineering, platform engineering, enterprise architecture, or related fields; enterprise platforms and distributed systems experience; cloud-native architecture, APIs, application frameworks, and modern delivery expertise.
5d
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principal engineer, AI Experiences, Enterprise Applications & Decision Platforms
Seattle, Washington, United States
$174k-$290k/yr OnsiteFull Time
10+ YOE10+ years in software engineering, platform engineering, enterprise architecture, or related fields; experience scaling enterprise platforms, distributed systems, cloud-native architectures, AI, analytics, governance, security, and technical influence.
5d
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principal engineer, AI Experiences, Enterprise Applications & Decision Platforms
Seattle, Washington, United States
$174k-$290k/yr HybridFull Time
10+ YOE10+ years in software engineering, platform engineering, enterprise architecture, or related fields; enterprise platforms and distributed systems; cloud-native architecture, APIs, application frameworks, AI, analytics, governance, security, and technical leadership.
APIs
1mo
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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
2w
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Principal Engineer, AI Security Governance | Endpoint Security Engineering
Kirkland, Washington, United States
$221k-$387k/yr RemoteFull Time
15+ YOE15+ years in security and software engineering; expertise in AI security, cloud and SaaS architecture, DSPM/AISPM, DLP, CASB, identity controls, compliance, Agile practices, and executive risk communication.
AI, Data Security Posture Management (DSPM), AISPM, DLP, CASB, SaaS, LLM, AI/ML, Agile, ServiceNow
2mo
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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
3mo
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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
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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
2mo
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Principal Engineer, AWS Builder Acceleration
Seattle, Washington, United States
$200k-$271k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science, engineering, or related field; 10+ years software development experience; 8+ years leading system design or architecture; deep AWS service and internal toolchain experience.
GenAI, AWS, Brazil, Coral, Kiro, BuilderHub, Pipelines, Amazon Software Builder Experience (ASBX)
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