NewPrincipal Engineer, Plant Design Integration System OnePrincipal Engineer, Plant Design IntegrationBellevue, WARemote$69–$116 / hourThe 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.
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.
Principle Engineer/Spacecraft Test Development Davron LLCPrinciple Engineer/Spacecraft Test DevelopmentTukwila, WAPRINCIPAL ENGINEER, SATELLITE TEST DEVELOPMENT | SPACECRAFT TEST DEVELOPMENT | TUKWILA, WA | PYTHON | DOORS | JAMA | GSE | SPACECRAFT INTEGRATION AND TEST | QUALIFICATION AND ACCEPTANCE TEST | TEST AUTOMATION | ITAR ELIGIBILITY | ONSITE . In this Principle Engineer/Spacecraft Test Development opportunity, you’ll lead the transition from engineering-driven test approaches to robust, automated qualification and acceptance campaigns that reduce variability and risk while increasing throughput.
Principal Technical Program Manager MicrosoftPrincipal Technical Program ManagerRedmond, WA$142,800–$274,800 / yearThere 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. You will be part of a cross-functional team of software engineers, data scientists, technical program managers, and designers who work side-by-side with high-impact and strategic customers and their engineers to build innovative solutions.
Principal Electrical Engineer VNS Federal ServicesPrincipal Electrical EngineerRichland, WashingtonOverview: At Veolia Nuclear Solutions Federal Services (Veolia), located in Richland, Washington, we are working to support and provide innovative, sustainable, and elegant solutions to some of the most complex challenges facing our government and commercial clients. Located just minutes from anywhere in the Tri-Cities, Veolia offers a flexible and balanced schedule and is seeking talented, driven individuals become part of the team, learn from industry experts, and help support our clients and projects.
Principal Engineer - Transmission and Asset Integration Puget Sound Energy IncPrincipal 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) (WA, Kirkland) Astronics CorpPrincipal Electrical Engineer (2026-065) (WA, Kirkland)Kirkland, WA$152,072–$242,920 / yearAstronics 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 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 - 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 - RF Helion Energy IncPrincipal Electrical Engineer - RFEverett, WAYou 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. Design, test, and troubleshoot high-voltage electrical systems including power delivery to pulsed magnets, energy recovery circuits, and internal power networks used during pulsed generator operation.
Sr. Principal Electrical Engineer TwelveSr. Principal Electrical EngineerMoses Lake, Washington$204,000–$255,000 / yearExperienced in designing, specifying, procuring, installing, and/or supporting operations and maintenance of power distribution electrical equipment, such as: Substations, power converters and rectifiers, distribution/substation transformers, HV/ MV/ LV switchgear, MCCs, motors, protective relaying & metering, UPS’s, EHT, Passive Fire Protection, Arc Flash, generators, VFDs, e-Houses, HV/ MV substations, and modular E-Houses, etc. You will lead the electrical Plant design from inception to steady operations, partner closely with external parties to execute detailed design and construction, and productization teams to continually improve electrical designs.
NewPrincipal 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 Electrical Engineer Helion Energy IncPrincipal Electrical EngineerEverett, WAYour work will focus on high-power electrical systems including energy delivery to pulsed magnetics, energy recovery systems, internal redistribution networks, and grid-tie infrastructure. Since 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.
NewPrincipal Engineer - DeviceOS Anduril Industries IncPrincipal 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 - Product Integrity Blue Origin Enterprises LPPrincipal Engineer - Product IntegritySeattle, WA$157,059–$219,882.60 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You will solve unprecedented challenges in ensuring hardware survives the rigors of launch, orbit, and long-duration deployment-pioneering physics-of-failure methodologies, predictive reliability frameworks, and AI-driven engineering approaches that redefine how high-stakes hardware is designed, qualified, and validated.
Senior/Principal Electrical Engineer Zeno PowerSenior/Principal Electrical EngineerSeattle, WA$145,000–$185,000Zeno is seeking a highly motivated Senior/Principal Electrical Engineer to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies. Develop and review documentation relating to electrical subsystems including Specifications, Interface Control Documents (ICDs), Bill of Materials (BOMs), Test Plans & Procedures, and Test Reports.
Principal Engineer, Data Center Architect DigitalOceanPrincipal Engineer, Data Center ArchitectSeattle, WA$184,000–$231,000 / yearWhat You'll Be Doing: Defining 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.
Principal Engineer, Data Center Deployment Ops DigitalOcean LLCPrincipal Engineer, Data Center Deployment OpsSeattle, WA$184,000–$231,000 / yearWhat You'll Be Doing: Defining 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.
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 Engineer - Analog and Mixed-Signal Physical Design Microsoft CorpPrincipal Engineer - Analog and Mixed-Signal Physical DesignRedmond, WA$142,800–$274,800 / yearDoctorate 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. The ideal candidate brings deep Fusion Compiler-based physical implementation expertise, strong timing closure and physical verification experience, and sufficient custom layout understanding to partner effectively with analog design and layout teams while directly executing critical implementation and debug work.