Principal Engineer, Plant Design Integration System OnePrincipal Engineer, Plant Design IntegrationBellevue, WARemote$69–$116 / hourThe ideal candidate will bring a broad nuclear engineering background, strong knowledge of NRC regulations, and the ability to lead cross-functional technical decisions affecting the overall plant design. Responsibilities: Support the development and maintenance of the Reactor Plant architecture and programs, ensuring integration of complex technical areas spanning design, analysis, licensing, and testing.
Principal Hardware Engineer, AI Systems MicrosoftPrincipal Hardware Engineer, AI SystemsRedmond, WA$142,800–$274,800 / yearMasters Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 7+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience. To achieve this goal, the Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
Principal Software Engineer MicrosoftPrincipal Software EngineerRedmond, WA$142,800–$274,800 / yearOwning the architecture and run-state reliability of AI-driven support workflows; defining the reliability bar for incident response and live-site health; and serving as a designated responsible individual (DRI) who leads incident retrospectives to identify root causes, owns repair actions, and prevents recurrence across the platform. Industry or company-wide thought leadership in AI engineering—for example, driving adoption of emerging technologies, representing engineering to executives and external audiences, or contributions such as patents, publications, or widely adopted internal frameworks.
Principal Engineer - Azure Storage MicrosoftPrincipal Engineer - Azure StorageRedmond, WA$142,800–$274,800 / yearMasters Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. You will partner across engineering teams to define technical direction, solve complex distributed systems problems, mentor engineers, and deliver high-quality services that operate reliably at global scale.
Principal Software Engineer Tableau SoftwarePrincipal Software EngineerBellevue, WAYou will be a leading technical representative across the application stack — negotiating interfaces with peer teams, driving architectural alignment across the product, and setting the bar for non-functional quality (availability, multi-tenancy, security, performance) across GRPC and python application services. • Define SLIs and SLOs for the teams features and services in partnership with Product, design rollout strategy and telemetry that spans pre-release / canary / stagger periods, and lead service ownership: on-call rotations, ops and readiness reviews, runbooks, and automation.
Principal Engineer, Seismic CSA Integration and Oversight System OnePrincipal Engineer, Seismic CSA Integration and OversightBellevue, WARemote$69–$115 / hourPerform technical reviews of work products, including seismic analysis, soil-structure interaction (SSI) analysis, and probabilistic assessments. Support the development of plant level requirements and strategies related to seismic design and licensing activities for advanced nuclear reactor projects.
Principal Software Engineer - Responsible AI (CoreAI) MicrosoftPrincipal Software Engineer - Responsible AI (CoreAI)Redmond, WA$142,800–$274,800 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, or Python OR equivalent experience.
Principal Silicon Design Subsystem Lead MicrosoftPrincipal Silicon Design Subsystem LeadRedmond, WA$142,800–$274,800 / yearDoctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience. To achieve this goal, the Artificial Intelligence System on Chip (AISoC) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
Principal Applied Scientist MicrosoftPrincipal Applied ScientistRedmond, WA$142,800–$274,800 / yearPublications at top conferences like ACL (Association for Computational Linguistics), EMNLP (Empirical Methods in Natural Language Processing), SIGKDD (Special Interest Group on Knowledge Discovery and Data Mining), AAAI (Association for the Advancement of Artificial Intelligence), WSDM (Web Search and Data Mining), COLING (International Conference on Computational Linguistics), WWW (World Wide Web Conference), NIPS (Neural Information Processing Systems), ICASSP (International Conference on Acoustics, Speech, and Signal Processing), etc. Bachelors Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research) OR Masters Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research).
NewLead EPC Substation Project Engineer LeidosLead EPC Substation Project EngineerSeattle, WA$107,900–$195,050These consulting services provide clients with overall project management tasks in the areas of comprehensive engineering design of electrical transmission and distribution, substation and transmission line projects nationwide. March 31, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Principal Software Engineering Manager, CoreAI MicrosoftPrincipal Software Engineering Manager, CoreAIRedmond, WA$142,800–$274,800 / yearIn this role, as a Principal Software Engineering Manager you will lead a team of software engineers and work closely with partner teams of engineers, scientists, and product managers to build the industrys best Responsible AI services. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Principal Software Engineer - Microsoft Digital MicrosoftPrincipal Software Engineer - Microsoft DigitalRedmond, WA$142,800–$274,800 / yearMasters Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. This role keeps Corporate Functions ahead of the curve: scanning industry solutions, setting technical direction across our agentic-AI transformation, and owning the relationships with Microsoft 1P product teams so our platform needs are represented and met.
NewPrinciple Engineer/Spacecraft Test Development Davron LLCPrinciple Engineer/Spacecraft Test DevelopmentTukwila, WAPRINCIPAL ENGINEER, SATELLITE TEST DEVELOPMENT | SPACECRAFT TEST DEVELOPMENT | TUKWILA, WA | PYTHON | DOORS | JAMA | GSE | SPACECRAFT INTEGRATION AND TEST | QUALIFICATION AND ACCEPTANCE TEST | TEST AUTOMATION | ITAR ELIGIBILITY | ONSITE . In this Principle Engineer/Spacecraft Test Development opportunity, you’ll lead the transition from engineering-driven test approaches to robust, automated qualification and acceptance campaigns that reduce variability and risk while increasing throughput.
Principal Applied Researcher MicrosoftPrincipal Applied ResearcherRedmond, WA$142,800–$274,800 / yearDoctorate in relevant field AND 3+ years related research experience OR Masters Degree in relevant field AND 6+ years related research experience OR Bachelors Degree in relevant field AND 8+ years related research experience OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Senior Data Scientist MicrosoftSenior Data ScientistRedmond, WA$119,800–$234,700 / yearOR Bachelors Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 10+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results). OR Bachelors Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 12+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results.
Sr. Principal Engineer - Optical Communications & Avionics - TeraWave Blue Origin LLCSr. Principal Engineer - Optical Communications & Avionics - TeraWaveSeattle, WAFull timeand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. This multi-orbit constellation will consist of 5,408 optically interconnected satellites in low Earth orbit (LEO) and 128 satellites in medium Earth orbit (MEO), providing enterprise-grade connectivity for critical operations worldwide.
Principal Systems Engineer Spectraforce Technologies Inc.Principal Systems EngineerBellevue, WAFull timePosition Title: Principal Systems EngineerWork Location: Bellevue, WAAssignment Duration: 12 months (possibility of extension)Work Schedule: Hours will be 8AM to 5PM but could varyWork Arrangement: HybridPosition Summary:The Organization's goal is to empower clinicians and health systems with the tools to make a difference in patients and clinician's lives. In this role, you will be responsible for driving the development and integration of complex, end-to-end medical device systems that involve wearable devices with sensors, mobile applications, software algorithms, cloud software applications, user portals and gateways, and data pipelines.
Principal Engineer, Public Cloud / R&D Core Cloudera Government SolutionPrincipal Engineer, Public Cloud / R&D CoreSeattle, WARemoteFull timeBachelor's degree in Computer Science or equivalent, and 10+ years of experience; OR Master's degree and 6+ years of experience; OR PhD and 4+ years of experienceDistributed Systems Visionary: You have 10+ years of experience building and scaling robust products. Architectural Leadership: Serve as the primary technical lead, independently driving the design and architecture of complex, large-scale cloud services that underpin our multi-cloud and hybrid data management platform.
Principal Technical Lead Engineer, Rocket Engine Avionics & Control Systems Blue Origin LLCPrincipal Technical Lead Engineer, Rocket Engine Avionics & Control SystemsSeattle, WAFull timeYour effectiveness stems from four integrated competency areas: (1) Technical Expertise - deep domain knowledge in aerospace electronics, embedded software, controls algorithms, sensors, actuators, power systems, and data networks, combined with systems-level thinking that anticipates downstream impacts of design decisions; (2) Technical Leadership - sound judgment that balances innovation with reliability, fluency in design reviews, failure analysis acumen, and confident decision-making under uncertainty; (3) People & Team Dynamics - mentorship mindset, cross-functional influence, composure under pressure, and a collaborative style that fosters innovation and resilience; and (4) Strategic Vision & Organizational Impact - tying technical decisions to mission success and business goals, identifying organizational gaps before they escalate, and communicating a compelling technical vision across all levels. On any given day you may be architecting a new generation engine control system, leading a failure review board, reviewing a control algorithm for stability margins, driving interface negotiations with vehicle teams, or mentoring a group of engineers through a gnarly systems integration challenge.
Principal Software Engineer II - Next-Gen Data Transformations Snowflake Inc.Principal Software Engineer II - Next-Gen Data TransformationsClyde Hill, WA$304,000–$437,000 / yearFull timeDrive Technical Strategy for the AI Era: Provide technical leadership to senior management and multiple departments, influencing how Snowflake's core compute fabric evolves to support the burgeoning Model Context Protocol (MCP), autonomous agent ecosystems and modern Python and Spark data processing workflows. Drive Customer Success through Direct Engagement: Partner with Snowflake's most strategic customers and field engineering teams to translate massive-scale architectural challenges into core engine requirements, ensuring our processing primitives meet the real-world demands of the global Data Cloud.