Principal RF Electrical Engineer

About Helion EnergyHelion Energy is a pioneering fusion power company located in Everett, WA, dedicated to realizing a vision of a world where clean, reliable, and affordable energy is accessible to all. Our mission is to construct the world's first fusion power plant, heralding a future powered by limitless clean electricity.Since our inception in 2013, we …

About Helion Energy Inc.At Helion, we are at the forefront of the fusion energy revolution, based in Everett, WA. Our ambitious mission is to construct the world's first fusion power plant, paving the way for a future filled with limitless clean electricity. We envision a world where energy is clean, reliable, and accessible to everyone.Since our inception in 2013, Helion has successfully raised over $1 billion from esteemed investors, including Sam Altman, Mithril, and Capricorn Investment Group, along with new partners such as SoftBank and Lightspeed, to drive our progress. Our latest prototype, Trenta, achieved 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing with Polaris, our next prototype on the journey to realizing the first fusion power plant.Joining Helion now means becoming part of a pivotal team dedicated to solving real-world challenges. We are a collective that values urgency, rigor, ownership, and a commitment to transparency—qualities that are essential in pioneering a new era in energy. Together, we can transform the future of energy because the world cannot afford to wait.Key Responsibilities:As a Supplier Development Engineer, you will collaborate closely with suppliers to optimize the production of components for our fusion generators. Your role will involve addressing technical challenges, enhancing our suppliers’ quality systems, and facilitating Helion's transition from rapid prototyping to large-scale generator manufacturing, thus furthering our mission to deliver clean energy to the globe. This position requires you to be onsite and will report directly to the Senior Manager of Electrical Engineering at our Everett, WA facility.Your Contributions Will Include:Collaborating with design engineers to fully understand the design intent of parts, assemblies, and subsystems.Evaluating suppliers’ manufacturing processes and quality systems to source components in conjunction with the procurement team.Supporting the product ramp from new product introduction to high-volume manufacturing.Defining technical and quality specifications for suppliers based on engineering and program requirements.Implementing and overseeing the Production Part Approval Process (PPAP) with selected suppliers to promote efficient production.Ensuring suppliers comprehend submission requirements for documentation (e.g., first article inspection reports, quality documentation).Developing and approving process controls for critical characteristics.Recommending technical product enhancements to mitigate risks and minimize potential defects.Contributing to continuous improvement initiatives by identifying areas for process optimization and innovation.

Join Helion EnergyAt Helion, we are pioneering the future of energy through the development of the world’s first fusion power plant, based in Everett, WA. Our commitment is to provide an endless supply of clean, reliable, and affordable electricity for all.Founded in 2013, we have raised over $1 billion from visionary investors, including Sam Altman, Mithril, and SoftBank. Our latest prototype, Trenta, has achieved remarkable milestones, including 10,000 high-power pulses and plasma temperatures reaching 100 million degrees Celsius (9 keV). We are now advancing with Polaris, our next prototype, on the journey towards operationalizing fusion energy.This is an exciting opportunity to be part of a transformative team. You will engage with real-world challenges and contribute to our mission, embracing values of urgency, rigor, ownership, and transparency—essential for achieving unprecedented goals in energy production.Your Role:As a Supplier Development Engineer, you will be crucial in collaborating with suppliers to manufacture components for our fusion generators. Your responsibilities will include resolving technical issues, enhancing supplier quality systems, and facilitating the transition from rapid prototyping to large-scale manufacturing. This position will report to the Senior Manager of Engineering and is based onsite in Everett, WA.Key Responsibilities:Collaborate closely with design engineers to fully understand the design intent for parts, assemblies, and subsystems.Evaluate supplier manufacturing processes and quality systems while working in partnership with the procurement team.Assist in the product ramp-up from initial introduction to high-volume production.Establish technical and quality specifications for suppliers based on engineering and program needs.Implement and oversee the Production Part Approval Process (PPAP) with selected suppliers to facilitate rapid production.Ensure suppliers are well-informed on requirements for documentation submissions, including first article inspection reports and quality documentation.Develop and authorize process controls for critical characteristics.Propose technical enhancements to minimize risks and potential defects.

About Helion EnergyAt Helion Energy, we are pioneering the future of energy through fusion power. Located in Everett, WA, our goal is to construct the world's first fusion power plant, providing a sustainable source of clean electricity for everyone. Our vision is to create a future where energy is not only clean but also reliable and affordable.Since our inception in 2013, we have successfully raised over $1 billion from notable investors including Sam Altman, Mithril, and Capricorn Investment Group, along with significant contributions from SoftBank and Lightspeed. Our previous prototype, Trenta, achieved remarkable milestones, completing 10,000 high-power pulses and reaching plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype, which is pivotal to our mission of delivering clean fusion energy.Join us at this exciting juncture where you will face real-world challenges alongside a dedicated team that values urgency, rigor, and ownership. Together, we aim to revolutionize the energy landscape because the world cannot wait.

About Helion EnergyHelion Energy is at the forefront of the fusion power revolution, located in Everett, WA. Our ambitious mission is to construct the world’s first fusion power plant, paving the way for a future where clean, unlimited electricity is accessible to all. We envision a world powered by reliable, sustainable, and affordable energy.Since our inception in 2013, we have successfully raised over $1 billion from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, along with new partners like SoftBank and Lightspeed, all fueling our journey forward. Our latest prototype, Trenta, has achieved remarkable milestones, including 10,000 high-power pulses and plasma temperatures soaring to 100 million degrees Celsius (9 keV). We are currently advancing our Polaris prototype, which is crucial in our quest for the first operational fusion power plant.Joining Helion Energy at this critical juncture means you will face significant real-world challenges alongside a team that values urgency, ownership, integrity, and transparency—qualities essential for achieving groundbreaking advancements in energy. Together, we are poised to redefine the future of power generation, as the world cannot afford to wait.Your Role:As our Senior Electrical Systems Engineer, you will play a pivotal role in bringing our next-generation fusion power systems to fruition. You will take charge of integrating electrical subsystems into a unified, dependable system, ensuring seamless functionality across power, control, and communication networks. Your responsibilities will include designing and producing electrical harnesses that interconnect our machines, managing cross-disciplinary interfaces through precise requirements and Interface Control Documents (ICDs), and collaborating directly with suppliers to facilitate the production of essential hardware. This position requires a blend of in-depth hands-on engineering skills and system-level oversight, perfectly suited for engineers who excel in both detailed and broad perspectives. You will be reporting directly to the Electrical Engineering Lead in this onsite position at our Everett, WA office.Key Responsibilities:Oversee the integration of electrical components and subsystems into comprehensive systems.Establish, uphold, and enforce system-level requirements and interface control documents (ICDs) across electrical, mechanical, and software teams.Lead the design, documentation, and validation of electrical harnesses, ensuring manufacturability, reliability, and compliance with industry standards.Collaborate with and manage harness suppliers—delivering build packages, reviewing prototypes, and qualifying production deliveries.Engage in hands-on lab work during system bring-up, troubleshooting integration issues, and validating end-to-end functionality.

About Helion EnergyHelion Energy is at the forefront of the fusion power revolution, headquartered in Everett, WA. Our mission is to construct the world’s first fusion power plant, paving the way for a future filled with limitless clean electricity. Our vision encompasses a world where energy is not only clean and reliable but also affordable for all.Since our inception in 2013, we have secured over $1 billion in funding from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, along with recent investments from SoftBank and Lightspeed. Our latest prototype, Trenta, achieved 10,000 high-power pulses, reaching plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are operating Polaris, our next prototype on the journey towards the world’s first fusion power plant.This is an exciting moment to join Helion Energy. You will address real-world challenges alongside a team that values urgency, diligence, accountability, and a commitment to transparency – values that are crucial for achieving unprecedented milestones. Together, we will reshape the future of energy, as the world cannot afford to wait.

About Helion EnergyHelion Energy is at the forefront of the fusion power revolution. Based in Everett, WA, our mission is to create the world’s first fusion power plant, paving the way for a future where clean, limitless electricity is available to all. Our vision encompasses a world powered by reliable, sustainable energy sources, ensuring affordability for everyone.Since our inception in 2013, we have attracted over $1 billion in investments from notable figures and firms like Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed. Our recent prototype, Trenta, has successfully completed 10,000 high-power pulses, achieving plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing with Polaris, our next prototype, on the journey toward establishing the first-ever fusion power plant.Joining Helion now is a unique opportunity to engage with real-world challenges alongside a team that values urgency, rigor, accountability, and a commitment to transparency. These principles are critical as we strive to achieve breakthroughs in energy technology that will transform the future.

About Helion Energy, Inc.Helion Energy is pioneering the future of sustainable energy by developing the world’s first fusion power plant, located in Everett, WA. Our commitment is to provide clean, reliable, and affordable electricity, ensuring a brighter future for all.Since our inception in 2013, we have successfully raised over $1 billion from notable investors, including Sam Altman, Mithril, and Capricorn Investment Group, along with new contributors like SoftBank and Lightspeed. Our latest prototype, Trenta, achieved remarkable milestones, completing 10,000 high-power pulses and reaching plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing our next prototype, Polaris, as we move closer to realizing our vision of a fusion power plant.Joining Helion now means becoming part of a dynamic team dedicated to solving real-world energy challenges. We uphold core values of urgency, rigor, and transparency, all crucial to achieving unprecedented breakthroughs in energy technology.Your Role:As a Senior Electrical Engineer, you will play a vital role in supporting the energy management systems that power our fusion generators. Your primary focus will be on high-power electrical systems, including energy delivery for pulsed magnetics, energy recovery systems, internal redistribution networks, and grid-tie infrastructure. This position involves designing, commissioning, and optimizing systems integral to providing clean, cost-effective electricity globally. You will be reporting directly to the Senior Manager of Electrical Engineering and will be working onsite at our Everett, WA office.Key Responsibilities:Design, test, troubleshoot, and provide support for high-voltage power systems related to pulsed magnetic coils.Oversee the design, procurement, construction, and commissioning of systems delivering pulses less than 1 ms at up to 5 MA and 40 kV.Develop comprehensive system architectures and collaborate with designers to create schematics and installation drawings.Lead design reviews to ensure cost-effective, scalable, and reliable engineering solutions.Support the commissioning and ongoing operation of generator power systems, identifying opportunities for optimizing future builds.Implement rigorous engineering practices, managing cost, schedule, and resource planning for assigned projects.Mentor junior electrical engineers while collaborating with cross-functional teams to enhance technical capabilities across Helion.

Join Helion: Pioneering Clean EnergyAt Helion, based in Everett, WA, our mission is to create the world’s first fusion power plant, revolutionizing energy production with limitless clean electricity. We envision a world where everyone has access to reliable and affordable energy.Since our inception in 2013, we have secured over $1 billion in funding from esteemed investors, including Sam Altman, Mithril, and Capricorn Investment Group, alongside new partners like SoftBank and Lightspeed. Our latest prototype, Trenta, successfully completed 10,000 high-power pulses, achieving plasma temperatures of 100 million degrees Celsius (9 keV). We are now advancing with Polaris, our next prototype on the journey to realizing the world's first fusion power facility.This is a critical moment to become part of Helion. You will confront real-world engineering challenges with a team that values urgency, rigor, accountability, and an unwavering commitment to transparency – all crucial to achieving unprecedented milestones. Together, we will reshape the future of energy, as the world cannot afford to wait.Your Role:As a Senior Electrical Simulation Engineer, you will spearhead the development and validation of intricate circuit and system models that inform design choices and ensure the safe, stable functioning of our fusion systems. You will construct plant-level models to evaluate performance, analyze subsystem interactions, and confirm adherence to relevant standards and regulations. Collaborating with interdisciplinary teams, you will model and simulate the pulsed power devices, circuits, and physics essential for fusion machine operation. By merging hands-on laboratory work with advanced simulation techniques, you will enhance our capability to accurately depict complex electrical systems with confidence, thereby ensuring the scalability of our fusion machines.Your Responsibilities Include:Leading the development and validation of electrical simulation models at both circuit and system levels.Integrating electrical models with mechanical, thermal, and control simulations to assess multidisciplinary interactions and optimize overall system performance.Creating automation scripts to facilitate repeatable, automated simulation processes.Collaborating with hardware, firmware, and software engineers to support system integration and root-cause analysis.Evaluating and implementing new simulation tools and methodologies to enhance model accuracy, efficiency, and scalability.

About HelionAt Helion, we are pioneering the future of energy as a leading fusion power company headquartered in Everett, WA. Our mission is to construct the world's first fusion power plant, paving the way for a future with limitless clean electricity. We envision a world where energy is not only clean but also reliable and affordable for everyone.Founded in 2013, Helion has successfully secured over $1 billion in funding from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, alongside new partners like SoftBank and Lightspeed. Our latest prototype, Trenta, achieved an impressive milestone with 10,000 high-power pulses and plasma temperatures reaching 100 million degrees Celsius (9 keV). Currently, we are advancing our next prototype, Polaris, as we strive towards realizing our vision of the first fusion power plant.Joining Helion at this critical juncture means engaging with real-world challenges while collaborating with a team that values urgency, rigorous problem-solving, ownership, and the courage to confront difficult truths. Together, we are committed to transforming the future of energy because the world cannot afford to wait.Your Role:As the Electrical Engineering Manager, you will spearhead the design and development of high-voltage circuit designs and hardware systems crucial for our fusion devices. Your leadership will be instrumental in nurturing and guiding a high-performing team of electrical engineers, fostering a culture of technical excellence, and enhancing execution speed. You will tackle intricate engineering challenges that have a direct impact on machine performance, ultimately contributing to the delivery of sustainable and affordable electricity globally. This position reports to the Senior Manager of Electrical Engineering and is based onsite at our Everett, WA office.Key Responsibilities:Lead and mentor a multidisciplinary team of electrical engineersSupervise the design of machine architecture, pulsed power circuits, grid-interfacing systems, and circuit modeling, including plasma couplingEnhance project timelines and optimize workflow within the team to expedite milestone completionDrive design, analysis, and process improvements to boost engineering productivityCollaborate extensively with Research, Mechanical, and Production teams to establish system requirements and achieve program objectives

Join our innovative team at helion as a Senior Engineering Technician in Hardware Development. In this pivotal role, you will leverage your expertise to contribute to the design, testing, and implementation of cutting-edge hardware technologies. Your hands-on experience will be crucial in ensuring our products meet the highest standards of performance and reliability.

About HelionHelion is at the forefront of fusion energy innovation, headquartered in Everett, WA, dedicated to constructing the world’s inaugural fusion power plant. Our goal is to unlock a future where clean, reliable, and affordable electricity is accessible to all.Since our inception in 2013, we've successfully secured over $1 billion in funding from esteemed investors such as Sam Altman, Mithril, Capricorn Investment Group, as well as fresh capital from SoftBank and Lightspeed. Our most recent prototype, Trenta, achieved a remarkable milestone with 10,000 high-power pulses and plasma temperatures soaring to 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next-generation prototype, steering us toward the realization of the world’s first fusion power plant.This is a critical juncture to join Helion, where you will confront tangible challenges alongside a team that values urgency, rigor, accountability, and the courage to face hard truths—values essential for accomplishing unprecedented feats. Together, we will revolutionize the future of energy because the world cannot afford to wait.

About HelionAt Helion, we are pioneering the future of energy as a leading fusion power company located in Everett, WA. Our mission is to create the world's first fusion power plant, which will provide limitless clean electricity. We envision a future where energy is clean, reliable, and affordable for everyone.Since our inception in 2013, we have successfully attracted over $1 billion from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, alongside newcomers such as SoftBank and Lightspeed. Our latest prototype, Trenta, achieved an impressive milestone of 10,000 high-power pulses, reaching plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype on the journey towards realizing the world's first fusion power plant.This is an exciting time to join Helion. You will have the opportunity to address significant challenges as part of a team that values urgency, precision, accountability, and the courage to communicate hard truths—attributes crucial for accomplishing unprecedented feats. Together, we will redefine the future of energy because the world cannot afford to wait.

Join Helion as an Electrical Systems EngineerAt Helion, located in Everett, WA, we are pioneering the future of energy by developing the world's first fusion power plant, aiming to provide limitless clean electricity. Our vision is to create a sustainable world with reliable and affordable energy accessible to everyone.Founded in 2013, we have successfully raised over $1 billion from renowned investors including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed. Our latest prototype, Trenta, completed an impressive 10,000 high-power pulses and achieved plasma temperatures of 100 million degrees Celsius. We are currently advancing our Polaris prototype, which plays a crucial role in our journey towards establishing the first fusion power plant.This is an exciting opportunity to join Helion at a transformative moment. You will be part of a dedicated team that values urgency, precision, accountability, and a commitment to transparency—principles that are vital for achieving unprecedented milestones in energy production.Your Role and Responsibilities:As the Electrical Systems Engineer, you will lead the integration of advanced electrical subsystems into our next-generation fusion machinery. Your responsibilities will include:Integrating electrical components and subsystems into cohesive systems.Defining, maintaining, and enforcing system-level requirements and interface control documents (ICDs) across interdisciplinary teams.Designing, documenting, and validating electrical harnesses to ensure manufacturability and compliance with industry standards.Collaborating with harness suppliers to manage production deliveries and prototype reviews.Engaging in hands-on work in the lab to troubleshoot integration issues and validate system functionality.

Join Helion’s Mission for Clean EnergyHelion Energy, based in Everett, WA, is pioneering the development of the world’s first fusion power plant, aimed at providing unlimited clean electricity for a sustainable future. Our vision is to create a world where energy is clean, reliable, and affordable for all.Since our inception in 2013, we have successfully raised over $1 billion from esteemed investors including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed, driving our innovative journey forward. Our latest prototype, Trenta, has achieved remarkable milestones with 10,000 high-power pulses and plasma temperatures reaching 100 million degrees Celsius. Currently, we are advancing with Polaris, our next prototype, which will bring us closer to realizing the first fusion power plant.This is an exciting opportunity to join Helion during a transformative period. You will confront significant challenges alongside a team that values urgency, rigor, accountability, and a commitment to transparency—attributes essential for achieving groundbreaking advancements in energy solutions. Together, we can shape the future of energy, because the world cannot afford to wait.Your Role as a Test Engineer:As a Senior Test Engineer, you will play a crucial role in designing, building, and maintaining electrical test systems that validate PCBAs, power electronics, and high-voltage assemblies integral to our fusion generators. You will collaborate closely with design engineers and technicians to ensure that our test infrastructure is robust, repeatable, and safe for hands-on execution.Your contributions will directly facilitate faster hardware iterations, enhance first-pass yield, and ensure the dependable delivery of mission-critical electrical systems that underpin Helion’s fusion generators and pulsed-power architecture. This position is hands-on, lab-based, and will report directly to the Production Manager.Your Responsibilities Include:Design and implement electrical test systems for PCBA and high-voltage assemblies, encompassing test rack architecture, fixture design, instrumentation selection, and automation support.Develop test fixture PCBAs for use in test racks, managing schematic capture, layout, review, and bring-up for functional validation of production hardware.Construct, wire, debug, and maintain complete test racks and fixtures, ensuring power distribution, safety interlocks, signal routing, and data acquisition integration are effective.Enhance data acquisition and control tools to streamline testing processes.

About HelionHelion is pushing the boundaries of energy production as a pioneering fusion power company located in Everett, WA. Our mission is to create the world's first fusion power plant, ushering in an era of limitless clean electricity. We envision a future where energy is not only clean and reliable but also affordable for all.Since our inception in 2013, we have successfully secured over $1 billion in funding from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, along with new partners such as SoftBank and Lightspeed. Our latest prototype, Trenta, achieved remarkable milestones, completing 10,000 high-power pulses and attaining plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are operating Polaris, the next step towards realizing the world’s first fusion power plant.Joining Helion at this critical juncture means confronting real-world challenges alongside a team that values urgency, rigor, ownership, and the courage to face hard truths. Together, we are committed to reshaping the future of energy; the world simply cannot wait.

About HelionHelion is a pioneering fusion energy company located in Everett, WA, dedicated to the ambitious mission of constructing the world's first fusion power plant. Our goal is to facilitate a future powered by limitless clean energy, ensuring reliable and affordable electricity for all.Founded in 2013, Helion has successfully secured over $1 billion in funding from esteemed investors including Sam Altman, Mithril, Capricorn Investment Group, as well as new partners like SoftBank and Lightspeed, propelling our innovative endeavors forward. Our latest prototype, Trenta, has achieved remarkable milestones, completing 10,000 high-power pulses and reaching plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing with Polaris, our next prototype, on the journey toward realizing the world's first fusion power plant.This is a critical moment to join Helion, where you will confront real-world challenges alongside a team that values urgency, thoroughness, accountability, and a commitment to transparency—principles vital to achieving unprecedented energy solutions. Together, we will reshape the future of energy, because the world cannot afford to wait.Your ResponsibilitiesAs a Senior Full Stack Software Engineer, you will be responsible for designing, developing, and operating secure, dependable, scalable, and user-friendly full-stack applications that enhance processes across mechanical and electrical engineering, supply chain, inventory management, manufacturing, and finance. You will integrate these applications with our internal data platform and external systems, playing a high-impact role within a cross-functional team dedicated to business-critical applications that amplify the effectiveness of various departments throughout the organization.Your Key Contributions Will Include:Designing and developing front-end interfaces, APIs, workflows, database architectures, and caching strategies.Operating as a part-time product manager and UX designer, gaining insights into user interactions and workflow processes.Monitoring and continuously enhancing system performance and reliability using leading observability tools.Collaborating with software engineers, data analysts, scientists, engineering teams, business leaders, and vendors to comprehend feature and data requirements and deliver effective solutions.Staying updated on emerging technologies while recommending proven solutions that align with strategic objectives.Participating in on-call rotations to uphold our service-level agreements and prevent interruptions in round-the-clock production schedules.

Join Helion as a Manager of Controls Development Engineering, where you will lead innovative projects in control systems design and development. You will oversee a team of skilled engineers, ensuring the successful execution of control strategies that enhance our cutting-edge technologies. Your expertise will help us achieve our mission of advancing clean energy solutions.

Join Our Mission at HelionAt Helion, we are pioneers in fusion power, based in Everett, WA, with an ambitious goal: to construct the world’s first fusion power plant, paving the way for a future rich in clean and limitless electricity. We envision a world where everyone has access to reliable and affordable energy.Since our inception in 2013, we have attracted over $1 billion in investments from esteemed figures and firms including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed. Our latest prototype, Trenta, has successfully completed 10,000 high-power pulses, achieving plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing our next prototype, Polaris, taking vital steps toward our goal of the first fusion power plant.This is a critical moment to become a part of Helion. Here, you will confront real-world challenges alongside a team that values urgency, a rigorous work ethic, accountability, and a commitment to truth—principles essential for accomplishing unprecedented feats. Together, we will revolutionize the future of energy, as the world can’t afford to wait.