1,207 Results for

Principal Jobs in Mercer Island, WA

Jobs

Principal Software Engineer / Principal AI Engineer - Commerce Platforms Microsoft

Redmond, WA

$142,800–$274,800 / year

Experience building or leading AI-powered solutions, production AI applications, LLM-enabled experiences, agentic workflows, intelligent automation, applied machine learning capabilities, or AI-assisted engineering practices. You will partner across engineering, product, research, data, security, compliance, and business teams to solve ambiguous technical challenges, deliver durable platform capabilities, and create business-critical impact at global scale.

29 days ago

Principal Engineer, Seismic CSA Integration and Oversight System One

Bellevue, WA

Remote

$69–$115 / hour
Quick Apply

Perform 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.

12 days ago

Principal Engineer, Plant Design Integration System One

Bellevue, WA

Remote

$69–$116 / hour
Quick Apply

The 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.

12 days ago

Principal Software Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

Masters 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. As a Principal Software Engineer, you’ll drive projects from concept to delivery, influence technical decisions across multiple teams, and collaborate with engineering, product, design, and applied science partners.

29 days ago

Principal Software Engineering - AI Frameworks Microsoft

Redmond, WA

$142,800–$274,800 / year

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. 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, or Python OR equivalent experience.

29 days ago

Principal Applied Scientist - CoreAI Microsoft

Redmond, WA

$142,800–$274,800 / year

Bachelors Degree in Computer Science, Computational Linguistics, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research) OR Masters Degree in Computer Science, Computational Linguistics or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research). 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.

29 days ago

Principal Technical Program Manager Microsoft

Redmond, WA

$142,800–$274,800 / year

In this role, you will drive operational and execution excellence, develop playbooks and systems that solve hard problems in elegant and efficient ways, and use AI to accelerate and amplify the team’s work to deliver success across programs that power the next generation of productivity. 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.

29 days ago

Principal Technical Program Manager - CoreAI Microsoft

Redmond, WA

$142,800–$274,800 / year

Drive Azure compute and accelerator capacity planning, forecasting, and allocation for AI workloads, translating demand signals into staging and implementation plans and partnering with supply and infrastructure teams to secure availability. You will own the execution strategy for Azure capacity management across Foundry Agent Platform, turning demand signals into forecasts, plans, and firm commitments while keeping engineering, product, and infrastructure leaders aligned on timelines and tradeoffs.

29 days ago

Principal Subsystem Design Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

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. Drive design implementation, including microarchitecture specification, RTL development and integration using Verilog/SystemVerilog, synthesis, timing constraints, floor-planning considerations, performance optimization, and design-quality closure including CDC, lint, and RDC.

29 days ago

Principal Design Verification Engineer Microsoft

Redmond, WA

$142,800–$274,800 / year

Doctorate 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.

29 days ago

Principal Software Engineering Manager, CoreAI Microsoft

Redmond, WA

$142,800–$274,800 / year

In 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.

29 days ago

Principal Hardware Engineer, DC/DC Power Microsoft

Redmond, WA

$142,800–$274,800 / year

Doctorate in Electrical Engineering, Computer Engineering, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, or related field AND 6+ years technical engineering experience. To achieve this goal, the CHSE (Cloud Hardware Systems Engineering) 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.

29 days ago

Principal Software Engineer - Growth (CoreAI) Microsoft

Redmond, WA

$165,600–$296,400 / year

At this level, impact comes from building repeatable systems and raising the engineering bar: better experiment quality, better telemetry, safer rollouts, and clearer business outcomes — delivered through pragmatic execution and deep technical judgment. 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 $220,800 - $331,200 per year.

29 days ago

Principal Product Manager Microsoft

Redmond, WA

$142,800–$274,800 / year

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. This is a product builder’s job, with you being directly involved in creating prototypes, driving customer conversations, evaluating what we are planning to ship, and delivering the best experience to our users.

29 days ago

Principal Software Engineer - GitHub Platform & Enterprise Microsoft

Redmond, WA

$165,600–$296,400 / year

Champion security across GitHub Actions by designing and implementing isolation mechanisms for untrusted code execution, ensuring compliance with enterprise security requirements, and partnering with Security teams to protect against vulnerabilities in our 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 $220,800 - $331,200 per year.

29 days ago

Principal Silicon Engineer - System Modeling Microsoft

Redmond, WA

$142,800–$274,800 / year

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. To achieve this goal, the Interface IP Team 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.

29 days ago

Principal Product Manager, AI Monetization, Ads & Creatives, Copilot Microsoft

Redmond, WA

$142,800–$274,800 / year

We are hiring for a Principal Product Manager with a proven track record of building AI-driven creative products that help advertisers produce high-quality assets at scale, drive measurable performance, and maintain brand integrity across every format and surface. 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.

29 days ago

Principal Technical Product Manager Microsoft

Redmond, WA

$142,800–$274,800 / year

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. Citizenship & Citizenship Verification: This role will require access to information that is controlled for export under export control regulations, potentially under the U.S. International Traffic in Arms Regulations or Export Administration Regulations, the EU Dual Use Regulation, and/or other export control regulations.

29 days ago

Principal Technical Program Manager - FDE Microsoft

Redmond, WA

$142,800–$274,800 / year

We are a global team of world-class engineers who have been working in a Forward Deployed Engineering (FDE) model for more than a decade, embedding directly within customer teams to solve their toughest challenges, side-by-side, and shipping production-ready solutions in days, not months. Apply AI assisted engineering practices as a daily operating mode: use AI tools across the full software development lifecycle to accelerate requirements-to-specs, generate high-quality engineering artifacts from customer context, and drive continuous flow of value from business need to production.

29 days ago

Principal Software Engineer - AI Safety and Security Microsoft

Redmond, WA

$142,800–$274,800 / year

You will lead through code and ideas: defining detailed architectures, building large-scale data and detection systems, working through security and privacy reviews, and partnering with cross-company leaders, product engineers, applied scientists, threat hunters, and incident responders from early exploration through production operation. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience, including significant ownership of distributed data, platform, or security products with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

29 days ago

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Principal Jobs in Mercer Island, WA

Principal Software Engineer / Principal AI Engineer - Commerce Platforms Microsoft

Principal Engineer, Seismic CSA Integration and Oversight System One

Principal Engineer, Plant Design Integration System One

Principal Software Engineer Microsoft

Principal Software Engineering - AI Frameworks Microsoft

Principal Applied Scientist - CoreAI Microsoft

Principal Technical Program Manager Microsoft

Principal Technical Program Manager - CoreAI Microsoft

Principal Subsystem Design Engineer Microsoft

Principal Design Verification Engineer Microsoft

Principal Software Engineering Manager, CoreAI Microsoft

Principal Hardware Engineer, DC/DC Power Microsoft

Principal Software Engineer - Growth (CoreAI) Microsoft

Principal Product Manager Microsoft

Principal Software Engineer - GitHub Platform & Enterprise Microsoft

Principal Silicon Engineer - System Modeling Microsoft

Principal Product Manager, AI Monetization, Ads & Creatives, Copilot Microsoft

Principal Technical Product Manager Microsoft

Principal Technical Program Manager - FDE Microsoft

Principal Software Engineer - AI Safety and Security Microsoft

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