Principal Engineer Jobs in Seattle, WA

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Principal Machine Learning Engineer

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

Our team in CoreAI - PostTraining is at the cutting edge of developing large language model technologies to power Azure AI Platform products and offering them as a service for both internal and external applications. We collaborate deeply with OpenAI and numerous Microsoft product teams, including GitHub and Office. The team is looking for a passionate, creative, and analytical individual contributor with a background in large language modeling. You will work on adapting and grounding large l
Posted 15 days ago | Updated 8 hours ago

Principal Machine Learning Engineer - CoreAI

Microsoft Corporation

•

Redmond, Washington, USA

Full-time

The Microsoft CoreAI Post-Training team is dedicated to advancing post-training methods for both OpenAI and open-source models. Their work encompasses continual pre-training, large-scale deep reinforcement learning running on extensive GPU resources, and significant efforts to curate and synthesize training data. In addition, the team employs various fine-tuning approaches to support both research and product development. The team also develops advanced AI technologies that integrate language
Posted 4 days ago | Updated 8 hours ago

Principal Engineer

Stanley Black and Decker

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Remote or Towson, Maryland, USA

Full-time

Principal Engineer--Construction Technology Denver, CO, United States Come make the world and accelerate your success. It takes great people to achieve greatness. People with a sense of purpose and integrity. People with a relentless pursuit of excellence. People who care about making things better For Those Who Make The World . Sound like you? Join our top-notch team of approximately 48,000 diverse and high-performing professionals globally who are making their mark on some of the world's mos
Posted 4 days ago | Updated 8 hours ago

Principal, Software Engineer

Walmart Inc.

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Bellevue, Washington, USA

Full-time

Position Summary What you'll do Are you passionate about pioneering cutting-edge technology, includingGen AI, that can revolutionize customer service experiences? Do you dream of creating innovative systems and products that will shape the future of customer service at the Walmart scale? As a Principal Software Engineer,you will play a pivotal role in designing, developing, and implementing software products that help hundreds of millions of Walmart customers resolve their contacts, save time
Posted 60+ days ago | Updated 8 hours ago

Principal Software Engineer - Microsoft Teams VDI Engineering

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Come build community, explore your passions, and do your best work. If you join the Microsoft Teams VDI team, you will be part of an organization that is dedicated to enhancing virtual desktop infrastructure (VDI) solutions for seamless collaboration and communication. Your contributions will help drive innovation and improve user experiences across organizations globally. This opportunity will allow you to accelerate your career growth, develop deep technical skills, hone your problem-solving a
Posted 42 days ago | Updated 8 hours ago

Sr Principal/Principal Machine Learning Engineer

Workday, Inc.

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Seattle, Washington, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 34 days ago | Updated 8 hours ago

Senior Principal Software Engineer - AI Platform Innovation

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. You are the builder here. We are at the forefront of AI innovation, exploring the next generation of AI accelerators and hardware solutions. As part of our growing team, you will be involved in working o
Posted 52 days ago | Updated 8 hours ago

Principal Hardware Engineer

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft's expanding Cloud Infrastructure and responsible for powering Microsoft's "Intelligent Cloud" mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live, Teams, OneDrive, and the Microsoft Azure platform globally with our server and data center infrastructure, security and compliance, operat
Posted 19 hours ago | Updated 8 hours ago

Principal Software Engineer

Blue Origin, LLC

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Seattle, Washington, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of Enterprise Technology (ET), where we're deve
Posted 60+ days ago | Updated 4 hours ago

Principal Engineer, Autonomy Interface Software

General Motors

•

Remote

Full-time

Job Description Remote : This role is based remotely but if you live within a 50-mile radius of Mountain View, you are expected to report to that location three times a week, at minimum. Role: The Principal Software Engineer at General Motors should be an experienced leader who cares deeply about software and software quality. As a Principal Software Engineer, you will be responsible for designing, documenting, and implementing complex, highly scalable, low-latency software in C++ on high perf
Posted 6 days ago | Updated 4 hours ago

Principal Engineer

POWER Engineers, Inc

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Remote or Meridian, Idaho, USA

Full-time

Principal Engineer Job Summary POWER Engineers, Member of WSP is seeking a senior-level electrical engineer to work as a Principal Engineer in the Power Delivery Substation Specialty Services Department in our Substation Business Unit (SBU). This individual is expected to independently develop and apply advanced engineering techniques, concepts, and approaches to unique engineering problems. This principal technical advisor role will lead in assimilating and disseminating complex engineering co
Posted 55 days ago | Updated 8 hours ago

Principal Engineer - Developer Tooling

CVS Health

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Minnesota, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 21 days ago | Updated 8 hours ago

Senior Principal Software Engineer (Join OCI)

Oracle Corporation

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Seattle, Washington, USA

Full-time

Job Description Sr. Principal Software Engineer - Infrastructure Delivery Location: Hybrid in our Seattle office is ideal but will also consider Austin or Nashville. Note: This position is not eligible for sponsorship As a member of the OCI Infrastructure Delivery Engineering team, you will take an active leadership role in the definition and evolution of standard practices and procedures for the canonical Inventory Management solution for all of OCI's global data centers. You will define sp
Posted 60+ days ago | Updated 8 hours ago

Principal Cybersecurity Engineer

NuLeap

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Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP
Posted 46 days ago | Updated 12 days ago

PRINCIPAL ENGINEER - STAFF ENGINEER - Spacecraft Systems Engineer

Southwest Research Institute

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Remote or San Antonio, Texas, USA

Full-time

Who We Are: The Spacecraft Development Department is a group of innovative engineers, program managers, and technicians developing unique spacecraft solutions for challenging space missions. We design and fabricate custom solutions to explore the boundaries of science or solve complex problems not yet delivered by industry to accommodate a variety of payloads. This position has the option of being a fully remote in the following states: AL, AZ, AR, CO, Dis. of Columbia, FL, GA, MA, MD, MI, MN,
Posted 7 days ago | Updated 8 hours ago

Senior Principal Engineer (Remote)

RTX Corporation

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Remote or East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-06-02 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or a
Posted 34 days ago | Updated 8 hours ago

Principal Engineer

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 60+ days ago | Updated 8 hours ago

Principal Structural Design Engineer - New Glenn

Blue Origin, LLC

•

Seattle, Washington, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role supports the development and operations of New Glenn, a
Posted 60+ days ago | Updated 4 hours ago

Principal Engineer - High Speed Analog IC Research &Development (32629)

Myticas LLC

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Remote or Sunnyvale, California, USA

Contract

Our client is seeking a Principal Engineer - High Speed IC Research & Development. This role offers the opportunity to contribute to the development of high-performance analog ICs that enable next-generation communication networks. Responsibilities: Design, lay out, and bring up ultra high-speed analog ICs Drive the development and validation of custom ICs for high-capacity networking systems Collaborate with verification, CAD, product, and test engineering teams to define and execute DVT and
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Posted 3 days ago | Updated 5 hours ago

Principal IMU Engineer

Blue Origin, LLC

•

Seattle, Washington, USA

Full-time

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of Advanced Concepts and Enterprise Engineering
Posted 60+ days ago | Updated 4 hours ago