Power Electronics Engineer at Helion | Everett, WA

HelionEverett, WA

On-site Full-time

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Experience Level

Experience

Qualifications

Ideal candidates will possess a strong background in electrical engineering with specialized knowledge in high voltage and power electronics. You should demonstrate proven experience in designing, testing, and scaling complex systems, along with a proactive approach to problem-solving and innovation.

About the job

Join Helion as a Power Electronics Engineer

At Helion, we are on the cutting edge of fusion power technology, based in Everett, WA. Our mission is to create the world’s first fusion power plant, driving us towards a future with sustainable, limitless clean energy. We envision a world where energy is reliable, affordable, and accessible for all.

Founded in 2013, we've secured over $1 billion in funding from renowned investors, including Sam Altman, Mithril, and Capricorn Investment Group, as well as new partners like SoftBank and Lightspeed. Our latest prototype, Trenta, achieved impressive 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, on the journey to the first fusion power plant.

This is a crucial moment to join our team. You’ll face real-world engineering challenges alongside a group that values urgency, rigor, ownership, and a commitment to transparency – essential qualities for achieving breakthroughs in energy technology. Together, we can redefine the future of energy, because the world can’t afford to wait.

Your Role:
As a Power Electronics Engineer, you will be instrumental in developing the electrical energy management systems that power our fusion generators. Your work will encompass pulsed power delivery, magnetic control, power electronics integration, low voltage controls, and precision sensing in complex environments.

Key Responsibilities:

High Voltage/Pulsed Power Systems:
Design, test, and enhance high-voltage systems for pulsed magnetic coils (1<ms) operating at currents up to 5MA and voltages reaching 40kV. Evaluate and implement solid-state switching devices (IGBTs, MOSFETs, SCRs/thyristors) with a focus on efficiency and thermal performance.
Power Electronics:
Develop and integrate DC/DC, AC/DC, and DC/AC converters for energy transmission and recovery across a wide voltage range. Innovate switching-stage designs and ensure reliability in power distribution systems.

About Helion

Helion is leading the charge in fusion power technology with a commitment to creating a sustainable energy future. Our innovative team is dedicated to developing the first-ever fusion power plant, ensuring clean and affordable energy for all.

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Principal Electrical Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

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 este…

Dec 19, 2025

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Electrical Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

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.

Feb 26, 2026

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Electrical Systems Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

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.

Dec 19, 2025

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Senior Test Engineer at Helion | Everett, WA

Helion Energy, Inc.

Full-time|On-site|Everett, WA

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.

Dec 19, 2025

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Materials Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

Join Helion as a Materials EngineerHelion is at the forefront of fusion power innovation, located in Everett, WA. Our mission is to construct the first fusion power plant, paving the way for a future filled with limitless clean energy. We envision a world where energy is clean, dependable, and affordable for everyone.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 like SoftBank and Lightspeed. Our latest prototype, Trenta, has achieved 10,000 high-power pulses and reached an impressive plasma temperature of 100 million degrees Celsius (9 keV). We are currently advancing with Polaris, our next prototype on the mission to realize the world's first fusion power plant.This is an exciting moment to become part of Helion. You will face real-world challenges alongside a team that values urgency, thoroughness, accountability, and the courage to confront difficult truths—principles crucial for accomplishing unprecedented feats. Together, we can transform the energy landscape, because the world cannot afford to wait.Your Responsibilities:As a Materials Engineer, you will oversee defined workstreams in our laboratory: designing and conducting experiments, enhancing testing setups and procedures, and translating data into actionable insights. You will collaborate closely with senior engineers and cross-functional teams to implement results into design and process enhancements, while also receiving direction on priorities and overarching strategies. This position is based onsite at our Everett, WA office, reporting to the Materials Manager.Key Responsibilities:Plan and execute materials testing campaigns.Lead investigations into failures of structural and polymer-based insulation systems and related components (including insulators, capacitor dielectrics, foils, oils, seals, and HV/electrical interfaces) as they relate to your area of work.Develop and adhere to lab protocols and checklists for your designated testing areas.Provide materials expertise for designs within your area of responsibility.Act as a valuable team member within cross-functional teams and maintain regular communication.Support and mentor lab technologists on specific testing methods and setups under your purview, while collaborating with peers to troubleshoot experiments and fixtures.

Mar 31, 2026

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Mechanical Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

About HelionHelion is at the forefront of the fusion power revolution, headquartered in Everett, WA. Our mission is to construct the world's inaugural fusion power plant, paving the way for a future with limitless clean electricity. We envision a world where energy is clean, dependable, and affordable for all.Since our inception in 2013, Helion has successfully raised over $1 billion from esteemed investors including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed, driving our ambitious goals forward. Our latest prototype, Trenta, achieved an impressive 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype, on our journey towards establishing the world’s first fusion power plant.This is a critical moment to join Helion. You'll engage with real-world challenges within a team that values urgency, rigor, ownership, and a commitment to transparency—principles essential for accomplishing unprecedented feats. Together, we can transform the energy landscape, as the world cannot afford to wait.

Dec 19, 2025

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Cybersecurity Software Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

About HelionHelion is at the forefront of energy innovation, striving to create the world's first fusion power plant based in Everett, WA. Our mission is to provide limitless clean electricity, contributing to a future where energy is both reliable and affordable for all.Founded in 2013, Helion has successfully garnered over $1 billion in investments from notable investors such as Sam Altman, Mithril, and Capricorn Investment Group, along with newer partnerships from SoftBank and Lightspeed, to advance our initiatives. Our latest prototype, Trenta, has already achieved 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing our Polaris prototype, stepping closer to realizing our vision of the first fusion power plant.Joining Helion at this critical juncture means engaging in meaningful challenges alongside a team committed to urgency, rigor, and transparency—values that are fundamental to our mission. We are dedicated to transforming the future of energy, as the world cannot afford to wait.Your Role:As a Cybersecurity Software Engineer focused on product security, you will be instrumental in ensuring that the firmware, software, and server infrastructure supporting our fusion technology are fortified against potential threats. Collaborating with firmware, software, and infrastructure engineers, you'll integrate security into all phases of the development lifecycle—reviewing designs, auditing code and dependencies, and embedding security checks within CI/CD pipelines. You will spearhead initiatives in encryption, secrets management, and secure authentication to safeguard sensitive operations. This role is perfect for a professional eager to combine extensive cybersecurity knowledge with practical engineering to protect cutting-edge energy technology. This position is based on-site and reports directly to the Lead Electrical Engineer at our Everett, WA office.Your Responsibilities:Evaluate firmware, software, and infrastructure designs to pinpoint and mitigate security vulnerabilities prior to implementation.Promote and apply security best practices across engineering including encryption, key rotation, and secure authentication methods.Deploy and oversee application security tools (e.g., Snyk, Trivy, Docker image scanners) to assess dependencies, supply chain vulnerabilities, and security risks.Define and uphold product-level security standards and practices throughout the organization.

Feb 26, 2026

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Senior Manufacturing Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

Join Helion's Mission to Transform EnergyHelion is at the forefront of the fusion power revolution, located in Everett, WA. Our goal is to construct the world's first fusion power plant, paving the way for a future filled with boundless clean electricity. We envision a global landscape where energy is clean, dependable, and affordable for all.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 such as SoftBank and Lightspeed. Our latest prototype, Trenta, achieved an impressive milestone of 10,000 high-power pulses while reaching plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype, as we strive towards the realization of the world’s first fusion power plant.This is an ideal moment to become a part of Helion. You will face real-world challenges alongside a team that values urgency, rigor, ownership, and the courage to confront hard truths. These principles are vital to achieving unprecedented success. Together, we will redefine the future of energy because time is of the essence.Your Role and Responsibilities:As a Senior Manufacturing Engineer, you will be pivotal in designing, implementing, and optimizing the production processes for our in-house capacitors. This position offers a rare chance to collaborate with various teams (Supply Chain, Production, Engineering, Test Operations), significantly impacting the commissioning timeline for Helion's inaugural power plant, and laying the foundation for our transition to mass generator manufacturing. This role is based onsite at our Everett, WA office, and you will report directly to the Senior Manager of Capacitor Manufacturing.Key Responsibilities Include:Design and implement rate-based assembly processes with collaborative support from Production and Engineering teams.Lead and oversee interdisciplinary projects aimed at enhancing the rate and throughput of the capacitor line, including aspects such as floor layout, tooling, build cells, and large-scale equipment.Assist in developing new business processes related to non-conformance management, process control, process safety, and asset maintenance to expand production capabilities and establish a robust foundation for high-volume production.Collect and analyze data (labor hours, cycle times, fallout) to identify production bottlenecks, and propose and implement effective solutions (design changes, process adjustments, equipment upgrades, automation).Spot high return-on-investment opportunities, including essential capital equipment and software capabilities that enhance manufacturing processes, in partnership with Production, Finance, Operations, and Facilities teams.Collaborate on the development of future processes while supporting and executing on existing projects.

Mar 3, 2025

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Senior Electrical Engineer at Helion | Everett, WA

Helion Energy, Inc.

Full-time|On-site|Everett, WA

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.

Dec 19, 2024

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Senior Mechanical Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

Join Helion as a Senior Mechanical EngineerAt Helion, we are pioneering the future of energy as a fusion power company based in Everett, WA. Our mission is to construct the world’s first fusion power plant, creating a path toward unlimited clean electricity. We envision a future where energy is clean, reliable, and affordable for everyone.Founded in 2013, Helion has successfully secured over $1 billion from esteemed investors, including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed. Our latest prototype, Trenta, has achieved remarkable milestones, including 10,000 high-power pulses and plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing with Polaris, our next-generation prototype, on our journey to realize the first fusion power plant.This is an exciting opportunity to join our team at Helion. You will engage in solving significant engineering challenges in an environment that emphasizes urgency, rigor, accountability, and the pursuit of hard truths—values that are crucial for achieving unprecedented goals. Together, we can transform the energy landscape, as the world is counting on us.

Dec 19, 2025

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Power Electronics Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

Join Helion as a Power Electronics EngineerAt Helion, we are on the cutting edge of fusion power technology, based in Everett, WA. Our mission is to create the world’s first fusion power plant, driving us towards a future with sustainable, limitless clean energy. We envision a world where energy is reliable, affordable, and accessible for all.Founded in 2013, we've secured over $1 billion in funding from renowned investors, including Sam Altman, Mithril, and Capricorn Investment Group, as well as new partners like SoftBank and Lightspeed. Our latest prototype, Trenta, achieved impressive 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, on the journey to the first fusion power plant.This is a crucial moment to join our team. You’ll face real-world engineering challenges alongside a group that values urgency, rigor, ownership, and a commitment to transparency – essential qualities for achieving breakthroughs in energy technology. Together, we can redefine the future of energy, because the world can’t afford to wait.Your Role:As a Power Electronics Engineer, you will be instrumental in developing the electrical energy management systems that power our fusion generators. Your work will encompass pulsed power delivery, magnetic control, power electronics integration, low voltage controls, and precision sensing in complex environments.Key Responsibilities:High Voltage/Pulsed Power Systems:Design, test, and enhance high-voltage systems for pulsed magnetic coils (1<ms) operating at currents up to 5MA and voltages reaching 40kV. Evaluate and implement solid-state switching devices (IGBTs, MOSFETs, SCRs/thyristors) with a focus on efficiency and thermal performance.Power Electronics:Develop and integrate DC/DC, AC/DC, and DC/AC converters for energy transmission and recovery across a wide voltage range. Innovate switching-stage designs and ensure reliability in power distribution systems.

Feb 26, 2026

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Senior Multiphysics Modeling Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

As a Senior Multiphysics Modeling Engineer at Helion, you will be at the forefront of innovation, developing advanced modeling solutions to tackle complex engineering challenges. Your expertise in multiphysics simulations will drive the design and optimization of our cutting-edge technologies aimed at revolutionizing the energy sector.

Mar 11, 2026

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Senior Materials Engineer - Diagnostics at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

About HelionHelion is a pioneering fusion power company located in Everett, WA, dedicated to creating the world's first fusion power plant. Our goal is to facilitate a future with limitless clean electricity, ensuring that energy is clean, reliable, and affordable for all.Founded in 2013, we have successfully raised over $1 billion from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, as well as newer partners like SoftBank and Lightspeed. Our latest prototype, Trenta, achieved remarkable milestones with 10,000 high-power pulses and plasma temperatures soaring to 100 million degrees Celsius (9 keV). Currently, we are advancing our next prototype, Polaris, on our journey towards the first operational fusion power plant.Joining Helion at this crucial stage provides a unique opportunity to tackle significant challenges alongside a team that values urgency, rigor, accountability, and transparency—qualities essential to achieving unprecedented breakthroughs in energy. Together, we will redefine the future of energy, because time is of the essence.

Apr 8, 2026

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Senior Firmware Engineer at Helion | Everett, WA

Helion Inc.

Full-time|On-site|Everett, WA

Join Helion as a Senior Firmware EngineerAt Helion, we are at the forefront of fusion energy innovation, 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. We envision a world where energy is clean, dependable, and affordable for all.Since our inception in 2013, we have successfully secured over $1 billion in funding from esteemed investors, including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed. Our latest prototype, Trenta, has achieved remarkable milestones, including 10,000 high-power pulses and plasma temperatures reaching 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype, as we progress towards realizing the world's first fusion power plant.This is an exciting time to become part of Helion. You will confront real-world challenges alongside a team that values urgency, diligence, accountability, and a commitment to honesty—qualities essential for achieving unprecedented breakthroughs in energy. Join us as we revolutionize the future of energy, because time is of the essence.Your Role and Responsibilities:As a Senior Firmware Engineer, you will be instrumental in developing the embedded systems that drive the control, diagnostics, and protection mechanisms of our fusion machines. Your responsibilities will include writing and maintaining firmware for thousands of distributed embedded devices that will manage and monitor tens of thousands of sensors, actuators, and data channels. This role serves as a critical junction between hardware and software, requiring close collaboration with electrical and software engineers to design robust, scalable, and high-performance control and data acquisition systems. You will be responsible for defining communication protocols, enhancing time synchronization across embedded networks, and automating hardware bring-up and testing. This position is tailored for engineers who relish working directly with hardware, debugging intricate systems, and rapidly iterating on real-world hardware to make fusion power a tangible reality. This role necessitates onsite presence, reporting directly to our Lead Electrical Engineer at our Everett, WA office.Key Responsibilities:Develop, test, and maintain firmware for real-time embedded systems used in machine control and diagnostics.Collaborate closely with hardware and software engineers to translate system requirements into embedded designs.Bring up new boards, sensors, and actuators, utilizing debugging tools such as oscilloscopes, logic analyzers, and JTAG interfaces.Implement and maintain low-level communication protocols (UART, SPI, I²C, CAN, EtherCAT, etc.).Design and refine embedded command interfaces, ensuring optimal functionality and performance.

Dec 19, 2025

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Manufacturing Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

About HelionHelion is at the forefront of fusion energy technology, based in Everett, WA. Our mission is to create 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 not only clean and reliable but also 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, along with new backers like SoftBank and Lightspeed. Our latest prototype, Trenta, has completed an impressive 10,000 high-power pulses, achieving plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype, on our journey towards the world’s first fusion power facility.Joining Helion at this pivotal moment means you will face exciting real-world challenges alongside a dedicated team that values urgency, rigor, ownership, and transparency—principles essential for achieving groundbreaking advancements in energy. Together, we are set to redefine the future of energy, as the world cannot afford to wait.Your Role:As a Manufacturing Engineer, you will play a critical role in designing, implementing, and optimizing the production process of in-house capacitors. This unique opportunity allows you to work collaboratively with teams across Supply Chain, Production, Engineering, and Test Operations. Your contributions will directly impact the commissioning timeline for Helion’s inaugural power plant and be instrumental in our transition to generator mass-manufacturing. This position is based onsite and reports directly to the Director of Capacitor Manufacturing at our Everett, WA facility.Key Responsibilities:Design and implement rate-based assembly processes with assistance from Production and Engineering.Lead interdisciplinary projects aimed at enhancing the rate and throughput of the capacitor production line (including floor layout, tooling, build cells, and large-scale equipment).Contribute to the development of new business processes such as non-conformance management, process control, process safety, and asset maintenance to support production growth and establish a foundation for high-volume manufacturing.Analyze data (labor hours, cycle times, and fallout) to identify production bottlenecks and propose solutions (design changes, process modifications, equipment upgrades, and automation).Identify high-return capabilities, including capital equipment and software enhancements that improve manufacturing processes, collaborating with Production, Finance, Operations, and Facilities teams.Work in collaboration on the development of future processes while simultaneously supporting and enabling higher output on current manufacturing lines.

Oct 18, 2025

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Build Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

About HelionHelion is a pioneering fusion power company located in Everett, WA, dedicated to constructing the world's first fusion power plant. Our mission is to provide unlimited clean electricity, paving the way for a sustainable and affordable energy future for all.Since our inception in 2013, we have successfully secured over $1 billion in funding from prominent investors such as Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed. Our latest prototype, Trenta, has achieved remarkable milestones, including 10,000 high-power pulses and plasma temperatures reaching 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype, as we progress toward realizing the world’s first fusion power plant.Joining Helion at this transformative time means taking on significant real-world challenges alongside a team that values urgency, rigor, accountability, and a commitment to transparency. Together, we are poised to redefine the future of energy, because the world cannot afford to wait.

Jan 30, 2026

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Senior Power Electronics Engineer at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

Join Our Mission at HelionHelion is at the forefront of innovation, striving to create the world’s first fusion power plant based in Everett, WA. Our goal is to provide limitless clean energy to the world, ensuring a sustainable and affordable energy future for all.Since our establishment in 2013, we have attracted over $1 billion in funding from renowned investors like Sam Altman, Mithril, and Capricorn Investment Group, alongside new partnerships with SoftBank and Lightspeed. Our latest prototype, Trenta, has achieved remarkable milestones, including 10,000 high-power pulses and plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next-generation prototype, as we move closer to realizing our vision.This is an exciting time to become part of Helion’s team. You will face significant challenges alongside a group that values urgency, precision, accountability, and the courage to confront difficult truths—qualities that are essential to achieving unprecedented breakthroughs in energy. Together, we can redefine the future of energy, because the world cannot afford to wait.Your Role:As a Senior Power Electronics Engineer, you will play a crucial role in designing, developing, and optimizing the core energy management systems for Helion’s fusion generators. Your responsibilities will encompass high-voltage pulsed power delivery, energy recovery, redistribution networks, and AC grid integration. You will drive design excellence, mentor fellow engineers, and directly contribute to solving one of the most significant energy challenges of our time. This position is on-site, reporting to the Senior Manager of Electrical Engineering in our Everett, WA office.Key Responsibilities:Design, test, and troubleshoot high-voltage power systems for pulsed magnetic coils.Oversee procurement, construction, and commissioning of electrical systems delivering Develop system architecture and collaborate on schematics and installation drawings.Lead design reviews, ensuring cost-effective, scalable, and reliable solutions are implemented.Support generator commissioning and operations to enhance future builds.Own engineering rigor—including cost, schedule, and resource estimates—for your scope of work.Mentor teammates and foster technical growth within electrical and cross-functional teams.

Dec 19, 2024

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Production Supervisor at Helion | Everett, WA

Helion Energy

Full-time|On-site|Everett, WA

About Helion EnergyHelion Energy is a pioneering company in the field of fusion power, headquartered in Everett, WA. Our mission is to create the world's first fusion power plant, aiming to provide a future enriched with unlimited clean electricity. We envision 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, and Capricorn Investment Group, alongside new partners like SoftBank and Lightspeed, to drive our innovative projects 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). Currently, we are progressing with Polaris, our next prototype, on the journey towards the world's inaugural fusion power plant.Now is an exciting time to join Helion! You will face real-world challenges alongside a team that values urgency, rigor, accountability, and honesty—principles integral to accomplishing groundbreaking achievements in energy. Together, we can reshape the future of energy, as the world cannot afford to wait.

Nov 22, 2025

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Senior Equipment Safety Engineer at Helion | Everett, WA

Helion Energy, Inc.

Full-time|On-site|Everett, WA

About HelionHelion Energy, based in Everett, WA, is at the forefront of the fusion power revolution, dedicated to developing the world's first fusion power plant. Our mission is to create an environment where clean, reliable, and affordable energy is accessible to all.Since our inception in 2013, we have successfully attracted over $1 billion from visionary investors including Sam Altman, Mithril, and Capricorn Investment Group, along with recent contributions from SoftBank and Lightspeed. 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 our next prototype, Polaris, on the path to realizing our groundbreaking energy vision.This is an exciting opportunity to join Helion during a transformative phase. You will engage in tackling significant challenges alongside a team that champions urgency, rigor, ownership, and a commitment to transparency—principles critical to achieving unprecedented advancements in energy. Together, we can shape the future of energy, as the world cannot afford to wait.

Nov 21, 2025

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Senior Financial Analyst at Helion | Everett, WA

Helion

Full-time|On-site|Everett, WA

Join Helion as a Senior Financial Analyst, where you will play a pivotal role in driving financial strategy and decision-making. In this key position, you will analyze financial data, create reports, and provide insights that influence our company's growth trajectory. Your expertise will be essential in budgeting, forecasting, and financial modeling, ensuring that Helion remains at the forefront of the industry.

Mar 30, 2026

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