Principal Engineer Jobs in Seattle, WA

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Principal Search Engineer (Java, Elasticsearch, and Solr)

Divit Technologies, Inc.

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Remote

Full-time

We are seeking a Principal Search Engineer with deep expertise in Java, Elasticsearch, and Solr to drive the development and optimization of our search and discovery platform. This role focuses on eCommerce search, product relevance ranking, and personalized search experiences to enhance user engagement and conversion rates. You will work with large-scale search architectures, apply machine learning techniques for relevance tuning, and collaborate with data scientists, product teams, and enginee
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Posted 8 hours ago

Principal Electrical Component Engineer (hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology. Collins Aerospace, an RTX company, is a leader in technologically advanced and int
Posted 18 days ago | Updated 11 hours ago

Principal ISP Network Engineer- Remote - WI

Cyber Sphere LLC

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Remote

Contract, Third Party

Job title: Principal ISP Network Engineer Location: Madison,WI - 100% RemoteLongterm We are seeking a highly skilled and experienced Principal Network Engineer specializing in internet routing to join our team. The ideal candidate will be an expert in designing, implementing, managing, and troubleshooting large-scale, complex network infrastructures, with a deep understanding of IP routing protocols such as BGP, OSPF, MPLS, and others. Requirements: - Experience: Minimum of 10 years in network
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Posted 1 day ago

Principal Network Operation Engineer - GNOC (Remote)

Oracle Corporation

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Texas, USA

Full-time

Job Description We are seeking a skilled and proactive engineers with 6+ years of experience to join our Global Network Operations Center (GNOC) team. The GNOC is our front-line for addressing physical network issues and operates 24x7x365 to ensure the reliability and efficiency of our physical network infrastructure. The team is responsible for performing data collection, triage, technical analysis, incident mitigation, and redirection as necessary to maintain and optimize operations. This ons
Posted 18 days ago | Updated 10 hours ago

Principal Security Engineer / Solutions Architect (CIAM / Okta / Auth0)

GTechNY

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Remote

Contract

About the RoleWe are seeking a seasoned Principal Security Engineer / Architect with deep expertise in CIAM (Customer Identity and Access Management), Okta, and Auth0. This is a senior-level consulting/architectural role for complex enterprise-level identity projects. You must be comfortable driving architecture decisions, advising on migration paths, and implementing robust and scalable solutions across multi-tenant environments. Key ResponsibilitiesArchitect and implement CIAM solutions levera
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Posted 39 days ago | Updated 11 days ago

Platform Principal Data Engineer

Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par
Posted 1 day ago | Updated 11 hours ago

Principal RF Engineer

Kratos Defense and Security Solutions, Inc.

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Remote

Full-time

Job Description Kratos Microwave, Inc., a Kratos' company, is looking for a Principal RF Engineer. Kratos Defense & Security Solutions, Inc. (NASDAQ:KTOS) develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and commercial enterprises. At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees and families. Recognized as thought l
Posted 45 days ago | Updated 7 hours ago

Principal Platform Engineer, Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Principal Platform Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Principal Platform Engineer, you will lead the design, development, and evolution of our next-generation cloud-native platforms. You will drive technical strategy, foster engineering excellence,
Posted 43 days ago | Updated 11 hours ago

Principal, Software Engineer- Node.js

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do Walmarts Gen AI powered My Assistant team is seeking an experienced Principal Software Engineer with expertise in Node.Js. This individual will play a pivotal role in reshaping, designing and implementing My Assistant Experience as a platform which can be integrated, leveraged, and supported as a single stop shop for all our associate needs. This role offers significant growth prospects and reports directly to the Director of Walmart My Assistant Experiences. W
Posted 60+ days ago | Updated 11 hours ago

Principal Data Engineer or Architect - Remote

UnitedHealth Group

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Remote or Draper, Utah, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 1 day ago | Updated 10 hours ago

Principal Infrastructure Engineer

Memorial Sloan Kettering Cancer Center

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Remote or New York, New York, USA

Full-time

Pay Range $164,100.00-$270,900.00 Company Overview The people of Memorial Sloan Kettering Cancer Center (MSK) are united by a singular mission: ending cancer for life. Our specialized care teams provide personalized, compassionate, expert care to patients of all ages. Informed by basic research done at our Sloan Kettering Institute, scientists across MSK collaborate to conduct innovative translational and clinical research that is driving a revolution in our understanding of cancer as a disea
Posted 49 days ago | Updated 10 hours ago

Principal Kernel Engineer

Request Technology, LLC

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Remote

Full-time

Principal Kernel Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Writes high-quality multithread-safe code in C++ in both kernel-mode and user-modeDevelops high-quality code in Rust or a strong desire and capacity to learn quickly (Rust)Has shipped at least one production quality driver for Windows NTStrong knowledge of Win32 APIs and NT kernel internalsDebugs memory corruption issues and improves end-to-end syste
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Posted 52 days ago | Updated 2 days ago

(USA) Principal, Software Engineer

Walmart Inc.

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Remote or Dallas, Texas, USA

Full-time

Position Summary Join Walmart|VIZIO and take your career to the next level! Our team owns the Bluetooth stack development and owns support for Vizio TVs. We are working on next generation of OS HAL platform for future TVs. We are a dynamic group passionate about media and Bluetooth technologies. We use cutting edge software/hardware tools including latest modern C/C++ development. This role will utilize architecture and design for Bluetooth on Linux based TV OS as well as porting audio and appli
Posted 60+ days ago | Updated 10 hours ago

Principal Structural Engineer

Parsons Services Company

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Georgia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at BCC Engineering, a Parsons Company. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: BCC Engineering, a Parsons company is looking for an amaz
Posted 10 days ago | Updated 10 hours ago

Principal Software Development Engineer

CVS Health

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Texas, 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 53 days ago | Updated 10 hours ago

Principal Game Systems & Tools Engineer - Gaming AI

Microsoft Corporation

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Redmond, Washington, USA

Full-time

Are you an experienced game engineer with a passion for building core systems and empowering creators? Do you thrive at the intersection of engine design, interactive tooling, and gameplay innovation? At Xbox Gaming AI, we are exploring emerging technology trends to craft the next era of gaming. We are venturing beyond the horizon and charting a course forward with players and creators at the center. Our goal is to define the future of Xbox by advancing our mission of bringing joy and community
Posted 33 days ago | Updated 11 hours ago

Principal Systems Engineer (hybrid)

RTX Corporation

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Remote or Maryland, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace At Collins Aerospace, we're working side-by-side with our customers and partne
Posted 12 days ago | Updated 10 hours ago

Principal Software Engineer, Backend - Platform

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 10 hours ago

Principal Casting Engineer (P4) - Remote

RTX Corporation

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Remote or Michigan, USA

Full-time

Date Posted: 2025-05-20 Country: United States of America Location: PW117: Michigan Remote Remote Location , Remote City, MI, 49503 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're seeking the people to drive it
Posted 46 days ago | Updated 11 hours ago

Principal Network Engineer-CCIE

Robert Half

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Remote or Albuquerque, New Mexico, USA

Full-time

Description Robert Half is seeking a Principal Network Engineer- CCIE required No Visa Employment sponsorship Must be authorized to work in the United States This role is predominantly remote but may require some onsite support and client site travel as needed. The Principal Network Engineer is the highest-level technical authority within the organization. This individual serves as both the final escalation point for Priority-1/2 incidents across all customers and the primary technical advis
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Posted 17 days ago | Updated 7 hours ago