NewMechanical Engineer II Wilder SystemsMechanical Engineer IIShoreline, WAFull timeWilder Systems is seeking a Mechanical Engineer to join our Seattle design strike team, working alongside senior engineers on our toughest mechanical design challenges — including designing multi-position electromechanical assemblies for drilling, probing, and filling aerospace holes. Intermediate level of basic machinery design - includes design process, engineering mechanics and materials, failure prevention, and characteristics of the principal types of mechanical elements.
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.
UI Engineer TaxBit IncUI EngineerSeattle, WA$110,000–$170,000 / yearIts unique combination of deep subject matter expertise and AI-forward technology have made it a fast-growing disruptor trusted by the world''s leading fintechs, marketplaces, digital asset players, Big 4 accounting firms, traditional enterprises, and government agencies. Backed by top-tier Silicon Valley VCs, Taxbit''s team is located across offices in San Francisco, New York, Seattle, Salt Lake City, London, Madrid, and Singapore.
Electrical Systems Engineer Helion Energy IncElectrical Systems 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. You will work at the architecture level to ensure electrical subsystems, including power distribution, controls interfaces, sensors, and communication networks, function together as a coherent and reliable platform.
Senior Materials Engineer, Diagnostics Helion Energy IncSenior Materials Engineer, DiagnosticsEverett, 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. You will work cross-functionally with Materials, Research, and Engineering teams to translate failure modes into measurable signals and integrate diagnostics into hardware and predictive models.
Senior Multiphysics Modeling Engineer Helion Energy IncSenior Multiphysics Modeling EngineerEverett, WAExecute rigorous verification and validation (V&V) by performing convergence studies, co-designing calibration and validation experiments with materials and test engineers, and systematically comparing model predictions to experimental results to quantify discrepancies and refine models, properties, and test plans to close the simulation-experiment gap. 5+ years of experience in multiphysics finite element or finite volume modeling of coupled thermal-mechanical systems including experience with irradiated materials modeling and materials in severely degrading environments (e.g., plasma, fusion/fission, high-flux/high-dose environments, etc.).
Senior Test Engineer Helion Energy IncSenior Test EngineerEverett, WAWhat You Will Be Doing: As a Test Engineer at Helion, you will be responsible for designing, building, and sustaining the electrical test systems that validate PCBAs, power electronics, and high-voltage assemblies used across our fusion generators. Your work will directly enable faster hardware iteration, improved first-pass yield, and reliable delivery of mission-critical electrical systems that support Helions fusion generators and pulsed-power architecture.
Senior Electrical Engineer Helion Energy IncSenior 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.
Senior Software Engineer, Data Platform Helion Energy IncSenior Software Engineer, Data PlatformEverett, WAYou will design, develop, and operate a secure, scalable, reliable, and efficient platform to facilitate the flow of data between internal and external systems supporting mechanical and electrical engineering, supply chain, inventory, manufacturing, and finance. 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.
Manager, Supplier Development Engineer Helion Energy IncManager, Supplier Development EngineerEverett, WAWhat You Will Be Doing: As the Manager of Supplier Development Engineering, you will lead the strategy, execution, and continuous improvement of Helion's supplier readiness, supplier quality, and supplier technical capability as we scale from prototype builds to high-volume manufacturing for fusion generator production. You will manage a team of Supplier Development Engineers and partner closely with design engineering, manufacturing, supply chain, and operations to ensure suppliers can meet Helion's technical, quality, cost, and delivery requirements.
Build Engineer Helion Energy IncBuild EngineerEverett, WAYou will: Own the build and assembly definition and execution for generator subsystems - may include large structures, moving mechanical assemblies, power transmission, vacuum systems, electromagnets, high-voltage capacitor systems, low-voltage harnessing, or radiation shielding. 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.
Principal Nuclear Materials Engineer Helion Energy IncPrincipal Nuclear Materials EngineerEverett, WAWhat You Will Be Doing: You will play a key role in developing designs and materials suited for high-radiation environments, providing analysis and guidance to engineers on the behavior and performance of a wide range of materials under radiation exposure. You Will: Advise engineering design decisions based on radiation effects (due to neutrons) on materials used within the radiation shield vault, e.g., metals used in magnet coils, dielectrics used for structure, and ceramics.
Power Electronics Engineer Helion Energy IncPower Electronics EngineerEverett, WAOur work spans pulsed power delivery to magnetics, power electronics and fusion energy recovery, low voltage controls and networking, and precision sensing in electrically noisy environments. Develop switching-stage designs including half/full bridges, phase-shifted/full-bridge, LLC/series-resonant, or buck/boost-derived converters (topology selection based on efficiency, controllability, and fault behavior).
Principal Power Electronics Engineer Helion Energy IncPrincipal Power Electronics 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.
Supplier Development Engineer, Electrical Helion Energy IncSupplier Development Engineer, ElectricalEverett, WAYou will solve technical problems, develop our suppliers quality systems, and accelerate Helions transition from rapid prototyping to mass generator manufacturing, thus delivering on Helions mission of providing clean electricity to the planet. 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.
Senior Electrical Simulation Engineer Helion Energy IncSenior Electrical Simulation EngineerEverett, WAWhat You Will Be Doing: As a Senior Electrical Simulation Engineer focused on simulation, you will develop and validate detailed circuit and system models that guide design decisions and ensure the safe, stable operation of our fusion systems. By combining hands-on lab work with advanced simulation methods, youll accelerate our ability to represent complex electrical systems with confidence, ensuring the reliability of the fusion machine at scale.
Senior Software Engineer, Full Stack Helion Energy IncSenior Software Engineer, Full StackEverett, WAYou will design, develop, and operate secure, reliable, scalable, and delightfully usable full-stack applications to optimize processes between mechanical and electrical engineering, supply chain, inventory, manufacturing, and finance, integrating with our internal data platform and external systems. 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.
Electrical Engineer Helion Energy IncElectrical EngineerEverett, WAOur work spans pulsed power delivery to magnetics, power electronics and fusion energy recovery, low voltage controls and networking, and precision sensing in electrically noisy environments. Develop switching-stage designs including half/full bridges, phase-shifted/full-bridge, LLC/series-resonant, or buck/boost-derived converters (topology selection based on efficiency, controllability, and fault behavior).
Mechanical Engineer Helion Energy IncMechanical 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).
Senior Supplier Development Engineer, Electrical Helion Energy IncSenior Supplier Development Engineer, ElectricalEverett, WAYou will solve technical problems, develop our suppliers quality systems, and accelerate Helions transition from rapid prototyping to mass generator manufacturing, thus delivering on Helions mission of providing clean electricity to the planet. 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.