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.
SR. AI SECURITY ENGINEER Widenet ConsultingSR. AI SECURITY ENGINEERSeattle, WashingtonContractorDemonstrated understanding of LLM and agent attack surface: prompt injection, data leakage through model output, insecure tool use, supply chain risk in models and dependencies. – Assess and mitigate agentic risk classes including excessive agency, capability chaining, tool and memory poisoning, and unsafe autonomous action.
SR. CYBERSECURITY ENGINEER, CLOUD AND INCIDENT RESPONSE Widenet ConsultingSR. CYBERSECURITY ENGINEER, CLOUD AND INCIDENT RESPONSESeattle, WashingtonContractorLead and support investigations across cloud, identity, endpoint, email, and SaaS, including account compromise, data exfiltration, insider risk, and business email compromise. This position will help strengthen the cloud security posture, mature incident response capabilities, and advance data security and zero-trust initiatives.
Principal Engineer - Deviceos ANDURIL INDUSTRIESPrincipal Engineer - DeviceosSeattle, WA$253,000–$336,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years.
Principal Engineer - Transmission And Asset Integration Puget Sound EnergyPrincipal Engineer - Transmission And Asset IntegrationBellevue, WA$124,600–$207,400 / yearThis position serves as a principal engineering and technical expert within PSE's Energy Supply Merchant organization, providing technical leadership and subject matter expertise for merchant transmission portfolio management, transmission service strategy, asset integration, resource delivery, and regional transmission matters. The Principal Engineer leads complex technical, tariff, commercial, and operational analyses to support reliable and cost-effective delivery of PSE's generation resources, power purchase agreements, tolling agreements, capacity agreements, and other portfolio resources.
Principal Electrical Engineer (2026-065) AstronicsPrincipal Electrical Engineer (2026-065)Kirkland, WashingtonAstronics Advanced Electronic Systems (AES) is seeking a Principal Electrical Engineer with a strong track record of implementing advanced power conversion technologies into aerospace-grade power supply and power conversion products. This role requires extensive knowledge of power conversion technologies—including resonant converter topologies and digitally controlled power supplies—along with strong leadership, mentoring, and presentation skills.
Principal Engineer - Plant Design Integration ProtingentPrincipal Engineer - Plant Design IntegrationBellevue, WARemote$69–$115 / hourResearch, develop, and implement design bases and design strategies in support of plant design and licensing activities from various sources that include risk-Informed, performance-based strategies and methodologies, safety analysis concepts, commercial and operational objectives, and stakeholder objectives. About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies.
Principal Silicon Design Verification Engineer Microsoft CorpPrincipal Silicon Design Verification EngineerRedmond, WA$142,800–$274,800 / yearRequired Qualifications: 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. 10+ years of experience in pre-silicon validation with a proven track record of delivering high performance Network switches/accelerators, Central Processing Unit (CPU), Vector processors and Graphics Processing Unit (GPU's) or relevant experience.
Principal Engineer, Spacecraft Test Development The Talent MinePrincipal Engineer, Spacecraft Test DevelopmentSeattle, WA$170,000–$195,000 / yearThe position works cross-functionally with Systems Engineering, Production AI&T, and all spacecraft subsystem teams (EPS, ADCS, Communications, C&DH, Flight Software, etc.) to meld verification requirements with real-world system performance variability and constraints into robust, executable test campaigns that minimize test-to-test variability and risk for human error. The Satellite Test Development Engineer is responsible for transitioning satellite tests from engineer-driven ‘new product’ tests to routine, highly automated, efficient test processes that ensure every satellite off the production line is repeatably and robustly tested before shipping and launch.
Principal Engineer, Data Center Architect DigitalOceanPrincipal Engineer, Data Center ArchitectSeattle, WA$184,000–$231,000 / yearDefining and owning DigitalOcean's reference architectures for next-generation Data Center environments, navigating shifts in technology, networking topologies, and AI/ML hardware roadmaps to keep facility designs future-proofed. Architecting end-to-end power topologies with vendor teams to support diverse hardware across medium to ultra-high-density rack deployments, moving from 415VAC to 800VDC.
Information Technology - Senior Principal/Principal Engineer AritziaInformation Technology - Senior Principal/Principal EngineerSeattle, WAWith a Global Support Campus in Vancouver and additional Support Office hubs in major cities across North America - including Toronto, New York, Los Angeles and Seattle - our workplace network is strategically designed to support our People and serve our Clients a frictionless experience. As the Senior Principal / Principal Engineer, Enterprise Integrations, you will set the multi-year technical direction for the systems that connect our commerce, retail, customer, and enterprise ecosystems - the platforms our People rely on and our clients feel with every seamless interaction.
Principal Engineer, Spacecraft Test Development Black Sky IncPrincipal Engineer, Spacecraft Test DevelopmentTukwila, WA$170,000–$195,000 / yearThe position works cross-functionally with Systems Engineering, Production AI&T, and all spacecraft subsystem teams (EPS, ADCS, Communications, C&DH, Flight Software, etc.) to meld verification requirements with real-world system performance variability and constraints into robust, executable test campaigns that minimize test-to-test variability and risk for human error. The Satellite Test Development Engineer responsible for transitioning satellite tests from engineer-driven 'new product' tests to routine, highly automated, efficient test processes that ensure every satellite off the production line is repeatably and robustly tested before shipping and launch.
Principal Electrical Engineer ALTEN Technology USAPrincipal Electrical EngineerSeattle, WA$150,000–$170,000 / yearWe're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits.
NewPrincipal Electrical Engineer ALTEN TechnologyPrincipal Electrical EngineerMukilteo, WashingtonWe’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits.
Principal Electrical Engineer, Satellites (Starlink) SpaceXPrincipal Electrical Engineer, Satellites (Starlink)Redmond, WA$190,000–$290,000 / year2+ years of experience designing and implementing mixed-signal circuit boards from concept through production using processors, FPGAs, Ethernet, multi-GHz Serdes, DRAM interfaces (DDR4), I2C, SPI, operational amplifiers, analog to digital and digital to analog converters, and power supply components. Sub-teams include: Avionics : The backbone of Starlink satellites are the bus avionics systems which control the vehicle, convert and distribute kilowatts of power, route high-speed vehicle and user traffic, and connect satellites to each other via our state-of-the-art Space Lasers!
Lead Principal Engineer, Plant Design Integration Products TerraPowerLead Principal Engineer, Plant Design Integration ProductsBellevue, WA$163,424–$217,899 / yearTerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes. Minimum 12 years of experience in nuclear facility design or operations in engineering fields such as plant or systems engineering, design engineering, operations engineering, reactor engineering, or field engineering.
Principal Engineer Thomson ReutersPrincipal EngineerColumbia, WashingtonFinally, Thomson Reuters offers the following additional benefits: optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan. Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.
Principal Electrical Engineer - RF HelionPrincipal Electrical Engineer - RFEverett, WashingtonYou will integrate plasma science with high-power electrical engineering to deliver reliable, scalable, and high-fidelity plasma and energy system measurements that directly inform performance optimization, generator commissioning, and future device development. Since Helion's 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.
NewLead Principal Engineer, Risk and Safety Analysis TerraPowerLead Principal Engineer, Risk and Safety AnalysisBellevue, WashingtonThe Lead Principal Engineer, Risk and Safety Analysis is highly technical, hands-on role that requires in-depth understanding of the cross-functional needs between probabilistic risk analysis, deterministic safety analysis and their relationships to plant, system and component design to support the development and execution of new projects. TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes.
Principal Electrical Engineer HelionPrincipal Electrical EngineerEverett, WashingtonSince Helion's 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. Your work will focus on high-power electrical systems including energy delivery to pulsed magnetics, energy recovery systems, internal redistribution networks, and grid-tie infrastructure.