Principal Engineer Raft Company WebsitePrincipal EngineerTacoma, WA$160,000–$220,000 / yearMay require up to 30% travel to both CONUS and OCONUS locations (Must possess a valid, active US passport with at least six months validity beyond intended period of employment to facilitate international travel and meet security requirements for government contracts.). Raft ( https://TeamRaft.com ) is a customer-obsessed non-traditional defense tech company dedicated to empowering U.S. military and government agencies with cutting-edge AI/ML and data solutions.
Principal Engineer, Cybersecurity - Data Loss Prevention T-Mobile US IncPrincipal Engineer, Cybersecurity - Data Loss PreventionBellevue, WA$127,800–$230,700 / yearThe individual will conduct security assessments, evaluate data protection gaps, and partner with engineering, technology, and business teams to implement scalable controls across mobile devices, cloud services, networks, and enterprise applications. This role is critical to protecting T-Mobile's digital assets by designing, implementing, and strengthening data protection capabilities across software, systems, cloud platforms, endpoints, and infrastructure.
Principal Power Electronics Packaging Engineer Helion Energy IncPrincipal Power Electronics Packaging EngineerEverett, WASince Helions founding in 2013, we have raised over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV).
Principal Sales Engineer GitGuardianPrincipal Sales EngineerSeattle, WARemotePrincipal Sales Engineer. Seattle - United States.
Sr Principal Software Engineer- VPC JPMorgan Chase & CoSr Principal Software Engineer- VPCSeattle, WAAs a Senior Principal Software Engineer at JPMorganChase within the VPC Network organization, you provide deep engineering expertise and work across agile teams to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Leverage your deep expertise to consistently challenge the status quo, innovate for business impact, lead the strategic development behind new and existing products and technology portfolios, and remain at the forefront of industry trends, best practices, and technological advances.
Principal Software Engineer REI (Recreational Equipment Inc.)Principal Software EngineerSeattle, Washington$130,200–$208,200 / yearWorking closely with Product Engineering, Architecture, Security, Infrastructure, and Product Management, you will shape the future of REI’s developer experience, cloud ecosystem, delivery pipelines, platform services, and AI engineering capabilities while helping teams design, build, deploy, and operate software more effectively. Reporting to the Director of Engineering Enablement, this is a highly visible role where you can bring your vision, creativity, and servant leadership to help create the future of REI’s developer platform toolset and engineering practices so they continue to meet the evolving needs of the Co-op in a rapidly changing AI-enabled technology landscape.
Principal Software Engineer (Infra/Platform) GradialPrincipal Software Engineer (Infra/Platform)Seattle, Washington$180,000–$235,000 / yearOur platform orchestrates across martech stacks, workflows, and people to automate marketing execution, cutting execution time, so marketers focus on the work only humans can do: shaping brands, understanding customers, and creating the work that moves people. This is a hands-on individual contributor leadership role for someone who wants real ownership, high leverage, and the opportunity to define how platform reliability looks at an AI-native company.
Principal Software Engineer GradialPrincipal Software EngineerSeattle, Washington$160,000–$250,000 / yearOur platform orchestrates across martech stacks, workflows, and people to automate marketing execution, cutting execution time, so marketers focus on the work only humans can do: shaping brands, understanding customers, and creating the work that moves people. Gradial is seeking a Principal Software Engineer to drive the architecture and technical vision behind AI-native systems that transform how creative teams build and update websites.
Principal Software Development Engineer F5, IncPrincipal Software Development EngineerSeattle, WA$193,600–$290,400 / yearFunctional Proof of Concepts (PoCs): Drive and execute hands-on functional and technical Proofs of Concept (PoCs) to evaluate, validate, and demonstrate new Oracle Fusion Cloud features, functionality, and complex business configurations. Oracle Fusion & EBS Ownership: Take ownership of complex technical and functional challenges spanning Oracle Fusion Cloud (Fusion Order Management, Fusion Subscription, RMCS) and Oracle EBS (Order Management, Service Contracts, Pricing, Inventory, Shipping).
Principal Software Engineer - AI Foundations JPMorgan Chase & CoPrincipal Software Engineer - AI FoundationsSeattle, WAArchitect and govern agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. Establish SLOs/SLAs for inference services and build operational excellence (load testing, capacity planning, incident response playbooks, regression detection, and continuous performance benchmarking); build robust performance and cost observability (latency histograms, token throughput, GPU utilization, memory fragmentation, cache hit rates, per-tenant cost attribution) and automate remediation of recurring issues.
Principal Security Engineer - Identity and Access Management (Hybrid - Seattle) Nordstrom IncPrincipal Security Engineer - Identity and Access Management (Hybrid - Seattle)Seattle, WA$191,000–$297,000 / yearMaintain deep, current knowledge of the identity threat landscape - including credential-based attacks, identity supply chain risks, OAuth/token abuse, and emerging risks from agentic AI systems - and translate that intelligence into defensive priorities for Nordstrom. Continuously assess Nordstrom's IAM posture, identifying capability gaps in identity governance, privileged access, and agentic identity and recommending new tools, vendors, or partnerships to close them.
Principal Software Engineer- Backend (Admin Workflows) YoodliPrincipal Software Engineer- Backend (Admin Workflows)Seattle, WashingtonYour job is to make that magic more powerful and more reliable at enterprise scale: building the content integrations that ingest source material from the systems customers already use, the agent framework that powers those roleplays, and the content creation workflows at the heart of our admin experience. You’ll also help tell the story of the impact of Yoodli through AI-powered analysis and analytics - feedback and skills intelligence integrated deeply enough that customers can measure real improvement of their learners, not just activity.
Principal Security Engineer - Incident Response F5, IncPrincipal Security Engineer - Incident ResponseSeattle, WA$182,200–$273,200 / yearIn this senior role, you will orchestrate enterprise-scale response efforts, drive cyber crisis management, and elevate incident response maturity across F5's corporate infrastructure, hybrid multicloud environments, core product lines (BIG-IP, NGINX, Distributed Cloud, WAAP), and emerging AI-enabled services. You will act as the primary escalation point during high-impact security events, translating complex forensic investigations into clear executive communications and driving cross-functional alignment across Engineering, SRE, Legal, Communications, and Executive Leadership.
Principal Software Engineer - High Performance Computing JPMorgan Chase & CoPrincipal Software Engineer - High Performance ComputingSeattle, WAArchitects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. Strong understanding of responsible AI use and control expectations in engineering workflows, including security/resiliency implications, data sensitivity, and risk-based governance; ability to influence senior technical leaders on safe scaling patterns and reuse.
Principal Software Engineer, Cloud Platform JPMorgan Chase & CoPrincipal Software Engineer, Cloud PlatformSeattle, WAContribute to the design and development of AI agents and Model Context Protocol (MCP) integrations using frameworks built on top of Google ADK, Anthropic SDKs, etc. and related tooling to enable intelligent, scalable platform automation. Demonstrated proficiency with AI-assisted coding workflows, including experience with LLM-powered development tools, spec-driven development methodologies, and prompt engineering for software engineering use cases.
Principal Specialist Sales Engineer, Zero Trust Branch - Majors, West Zscaler IncPrincipal Specialist Sales Engineer, Zero Trust Branch - Majors, WestWARemote$175,875–$251,250 / yearThe Speciality Sales team is a global group of professionals who are passionate about delighting our customers, nurturing trusted partnerships, and sharing their expertise to drive a secure, cloud-enabled digital future and further cement our position as the world leader in cloud security. Sales, Customer Success, Sales Enablement, Solution Architects, Business Development, Transformation, and Technology Partnerships all work together to demonstrate the power and agility of Zscaler cloud transformation to the world, and we are looking for your expertise to elevate our Exposure Management team.
Principal Security Engineer JPMorgan Chase & CoPrincipal Security EngineerSeattle, WAUtilize your in-depth knowledge of software, applications, technical processes, and product management to drive multiple complex projects and initiatives, while serving as a primary decision maker for your teams and a driver of innovation to deliver security solutions. As a Principal Security Engineer at JPMorganChase within the Cybersecurity and Technology Controls organization, you lead at least one technical area with a security engineering focus, and drive impact within teams, technologies, and projects across departments.
Principal Manufacturing Engineer Helion Energy IncPrincipal Manufacturing EngineerEverett, WASince Helions founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward. This role operates in a highly ambiguous, first-of-a-kind environment and requires balancing near-term execution with long-term scalability across future production lines.
Sr Principal Software Engineer JPMorgan Chase & CoSr Principal Software EngineerSeattle, WAAs a Senior Principal Software Engineer at JPMorganChase within the CDAO AI/ML Data Platforms Team, you provide deep engineering expertise and work across agile teams to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Demonstrated experience designing and scaling agentic AI-enabled development patterns (using enterprise-authorized tools within the work environment) across teams/functions, including establishing governance for human-in-the-loop validation, traceability/auditability, and secure handling of sensitive inputs/outputs.
Principal Security Engineer - Identity And Access Management (Hybrid - Seattle) Nordstrom Inc.Principal Security Engineer - Identity And Access Management (Hybrid - Seattle)Seattle, WA$191,000–$297,000 / yearMaintain deep, current knowledge of the identity threat landscape - including credential-based attacks, identity supply chain risks, OAuth/token abuse, and emerging risks from agentic AI systems - and translate that intelligence into defensive priorities for Nordstrom. Continuously assess Nordstrom's IAM posture, identifying capability gaps in identity governance, privileged access, and agentic identity and recommending new tools, vendors, or partnerships to close them.