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742 principal engineer jobs at 161 companies in Washington

3mo
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Principal Engineer
Sedro Woolley, Washington, United States
$160k-$215k/yr OnsiteFull Time
Janicki Industries
Janicki Industries: Manufacturer of high-precision composite parts, tools, and prototypes.
Bachelor's in mechanical engineering; extensive experience solving complex engineering problems; cross-disciplinary leadership; CAD experience; US citizenship or permanent resident; ability to obtain U.S. Secret security clearance.
CATIA, NX, CAD
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3mo
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Principal Engineer
Sedro Woolley, Washington, United States
$160k-$215k/yr OnsiteFull Time
Janicki Industries
Janicki Industries: Designs and manufactures custom composite tools and aerospace parts.
Bachelor’s degree in mechanical engineering or related field; extensive experience solving complex engineering problems; lead cross-functional initiatives; CAD experience; US citizenship and ability to obtain security clearance.
CATIA, NX, CAD
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Principal Engineer
Alabama or Arizona or Arkansas or California or Colorado or Connecticut or Florida or Georgia or Hawaii or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Vermont or Virginia or Washington or Wisconsin
$210k-$262k/yr RemoteFull Time
Fuze Health
Fuze Health: Integrated digital health, home diagnostics, and virtual pharmacy platform.
10+ YOEBachelor's in CS or related; 10+ years software engineering experience with 3+ years at staff/principal level; deep expertise in AWS, PostgreSQL, Ruby on Rails, Python, TypeScript/JavaScript; experience building scalable, high-throughput systems; strong communication; U.S. work authorization required.
AWS, PostgreSQL, Ruby on Rails, Python, TypeScript, JavaScript, Slack, GSuite, Jira, HL7, FHIR, NCPDP, EHR
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Principal Engineer
Seattle, Washington, United States
$174k-$274k/yr HybridFull Time
Atlassian
AtlassianNASDAQ: TEAM: Develops software for team collaboration and project management.
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
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Principal Engineer
United States or Colorado or Hawaii or Illinois or Maryland or Massachusetts or Minnesota or Vermont or District of Columbia or New York or New Jersey or Washington or California
$188k-$277k/yr RemoteFull Time
Twilio
TwilioNYSE: TWLO: Cloud communications platform for building customer engagement applications.
16+ YOE16+ years building high-scale, secure cloud-native distributed systems; expert in Java or Go, AWS (Lambda, EKS, DynamoDB, Kafka); experience with LLMs/AI-driven workflows, APIs, data platforms, Kubernetes, Terraform, and CI/CD.
Java, Go, AWS, Lambda, EKS, DynamoDB, Kafka, GitHub Copilot, Anthropic Claude, LLMs, SQL, NoSQL, Redis, Spark, Kubernetes, Terraform, CI/CD
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Principal Systems Engineer
Bothell, Washington, United States
$137k-$186k/yr OnsiteFull Time
General Dynamics Ordnance and Tactical Systems
General Dynamics Ordnance and Tactical SystemsNYSE: GD: Manufacturer of defense systems, ordnance, and aerospace components.
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
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Principal Engineer - Retail Systems
Seattle or United States
$205k-$257k/yr HybridFull Time
Lululemon Athletica
Lululemon AthleticaNASDAQ: LULU: Designs and sells performance athletic apparel and accessories.
11+ YOEBachelor’s degree or equivalent experience and 11+ years of software engineering experience. Requires expert coding, large-scale architecture, cross-functional leadership, complex systems expertise, and AI-assisted development experience.
AI, POS, RFID
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3mo
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Principal Mechanical Engineer
Seattle, Washington, United States
$139k-$292k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
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
Evotec
EvotecFrankfurt Stock Exchange: EVT: Accelerates drug discovery and biologics development for pharmaceutical partners.
12+ YOEBS in engineering with 12+ years in pharma/biotech; SME in cell culture and chromatography; GMP single-use systems; project leadership.
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Principal Environmental Engineer
Seattle or Bellevue
$165k-$205k/yr HybridFull Time
Farallon Consulting
Farallon Consulting: Provides environmental consulting and engineering services for site remediation.
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
Bank of America
Bank of AmericaNYSE: BAC: Provides global banking, investing, and financial risk management services.
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
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Principal Process Engineer
Redmond or Seattle
$134k-$154k/yr OnsiteFull Time
Evotec
EvotecFrankfurt Stock Exchange: EVT: Provides drug discovery and development services through global research alliances.
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
BlackSky
BlackSkyNYSE: BKSY: Provides real-time satellite imagery and geospatial intelligence analytics.
12+ YOEBachelor's degree; 12+ years spacecraft integration/test; leadership of multiple campaigns; automation; cross-disciplinary collaboration; strong engineering judgment.
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Principal Software Engineer, Receiver Products
Seattle, Washington, United States
$240k-$300k/yr HybridFull Time
Remitly
RemitlyNASDAQ: RELY: Provides digital cross-border money transfer services for global customers.
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
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Principal AI/ML Engineer
Seattle, Washington, United States
$267k-$350k/yr OnsiteFull Time
lululemon
lululemonNASDAQ: LULU: Designs and retails technical athletic apparel and lifestyle products.
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
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Principal Safety Methods Engineer
Bellevue, Washington, United States
$168k-$252k/yr OnsiteFull Time
TerraPower
TerraPower: Developing advanced nuclear reactor technology and medical isotopes.
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
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Senior Principal Engineer, MSAT
Indiana or Massachusetts or North Carolina or New Jersey or New Hampshire or New Mexico or New York or Pennsylvania or South Carolina or South Dakota or Texas or Kentucky or Washington
$180k-$202k/yr RemoteFull Time
Aurion Biotech
Aurion Biotech: Developing regenerative cell therapies to restore vision for patients.
MSAT technical SME with late-stage/commercial cell therapy tech transfer experience, strong GMP/ICH knowledge, data analysis skills, and 10+ years relevant experience (varies by degree).
JMP, Microsoft Excel
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1mo
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Principal Engineer - Transmission and Asset Integration (Bellevue, WA, US, 98004)
Bellevue, Washington, United States
$125k-$207k/yr HybridFull Time
Puget Sound Energy
Puget Sound Energy: Provides electricity and natural gas services to Western Washington.
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
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Principal Datacenter Electrical Engineer (200039183)
Redmond, Washington, United States
OnsiteFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Global provider of software, cloud, and AI technology solutions.
Principal-level electrical engineering experience for datacenter design, power distribution, and reliability; strong technical leadership and cross-team collaboration skills.
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Principal Design Verification Engineer (Silicon Engineering)
Sunnyvale or Austin or Irvine or Redmond
$210k-$310k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
10+ YOEBachelor’s in electrical/computer engineering or computer science; 10+ years in design verification and test bench development.
UVM, OVM, VMM, Python, RTL
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