Jobs at Helion Energy

Senior Electrical Engineer at Helion Energy focused on core energy management systems for fusion generators. Responsibilities include designing, commissioning, and optimizing high-power electrical systems for pulsed magnetics, energy recovery, and grid-tie infrastructure.

Senior Manager, Electrical Engineering at Helion Energy will lead and scale electrical engineering across high-energy power systems, including capacitor banks, power conversion, and grid tie-in. The role involves owning the technical roadmap from prototype to mass production, developing managers and individual contributors, and driving execution across multiple teams.

Helion Energy is hiring a Senior Supplier Development Engineer, Mechanical to work onsite at their Everett, WA office. This role involves collaborating with design engineers, assessing supplier manufacturing processes and quality systems, and supporting product ramp from new product introduction to high-volume manufacturing for fusion generators.

Mechanical Engineer at Helion Energy responsible for the design and development of hardware for fusion devices. This role involves owning and improving subsystem designs, creating hardware in CAD software, performing analysis, and leading design reviews.

Helion Energy is seeking a Manager, Electrical Engineering to lead and grow a team designing high-voltage and pulsed-power circuits for fusion power plants. This role involves owning technical direction, coaching engineers, and ensuring hardware is delivered safely and efficiently.

Director of Engineering, Modules at Helion Energy. This role owns the organization that architects, designs, qualifies, and produces hardware for Orion, the company's first fusion power plant, specifically focusing on the capacitor bank and its interdependencies. The director will lead and mentor a cross-functional team of electrical and mechanical engineers.

Helion Energy is seeking an Integration and Test Engineer to lead cross-subsystem integration and test activities for their fusion generator prototypes. This is a hands-on role responsible for assembly, scheduling, and testing across various subsystems, reporting to a Mechanical Engineering Lead.

Senior Manager, Software Engineering for Plant Control at Helion Energy. This role involves leading and scaling a multidisciplinary team responsible for the plant control software stack, including firmware, application software, networking, infrastructure, and cybersecurity.

R&D Hardware Test & Development Manager at Helion Energy, based in Everett, WA. This role involves managing a team of R&D engineers to support the development and testing of fusion energy technology, including pulsed HV testing of electromagnets and materials characterization.

Electrical Engineering Summer Intern at Helion Energy. This role involves designing and fabricating analog and digital electronic circuits, including op-amp, passive and active filter circuits, and PCB design. The intern will also develop data acquisition systems and electronic instruments, perform qualification and testing, support design updates, and fix hardware issues.

Principal Experimental Plasma Scientist at Helion Energy to lead the plasma diagnostic effort for fusion generators. This onsite role involves end-to-end design, deployment, integration, and hands-on execution of plasma diagnostics, collaborating with cross-disciplinary teams.

Director of Plasma Physics at Helion Energy to lead a team of scientists and engineers in designing, implementing, and testing fusion devices. This role involves optimizing fusion plasma performance, summarizing experimental results, and contributing to the organizational roadmap and goals.

Helion Energy is seeking a Procurement Manager to build and develop a procurement team. This role will shape indirect sourcing strategies and processes, focusing on cost optimization, scalability, standardization, risk mitigation, and supply chain resilience across categories like software, professional services, hardware, capital expenditures, and R&D.

R&D Manager for LabVIEW Controls Systems at Helion Energy, an onsite role in Everett, WA. This position involves managing a team responsible for delivering and maintaining control and data acquisition systems for various applications, including HV electrical test bays, plasma technology development, production manufacturing, and FRC plasma machines. The role will be a primary contributor to the control system of the Orion power plant and will focus on collaboration with the Engineering department.

Helion Energy is hiring a Principal Electrical Engineer to support core energy management systems for their fusion generators. This role focuses on high-power electrical systems, including energy delivery to pulsed magnetics, energy recovery, and grid-tie infrastructure. The engineer will design, commission, and optimize these foundational systems.

Power Electronics Engineer at Helion Energy. This role supports core electrical energy management systems for fusion generators, focusing on pulsed power delivery, magnetics, power electronics, and energy recovery. Responsibilities include designing, testing, and scaling high-voltage systems for pulsed magnetic coils.

Helion Energy is hiring a Principal Experimental Scientist to lead the development of RF pre-ionization capabilities for their fusion generators. This role involves owning the strategy, technical direction, and execution of RF plasma source development, optimizing RF systems, and integrating cross-functional input to mature the technology.

As a Welder at Helion Energy, you will be responsible for building and repairing custom components for fusion generator production. You will work with various welding tools and equipment, collaborate with engineers and production supervisors, and provide design for manufacturability feedback.

Helion Energy is hiring a Senior Applied Plasma Data Scientist to develop and validate machine-learning frameworks for FRC plasma dynamics. This role involves integrating ML models with simulation tools and experimental diagnostic pipelines to improve plasma measurement and interpretation. The position reports to the Experimental Science Manager at their Everett, WA office.

Helion Energy is hiring a Senior Experimental Scientist to support and advance plasma diagnostics for their fusion generators. This role involves leading the design, deployment, calibration, and interpretation of plasma diagnostic systems, and evaluating key plasma parameters like density and temperature.

Helion Energy is seeking a Senior Multiphysics Modeling Engineer to develop and validate coupled thermal–mechanical–fluid models for fusion hardware. This role involves simulating coupled thermal, structural, and electromagnetic behavior under extreme conditions and informing material selection and component design.

Helion Energy is hiring an Experimental Scientist to support the development, deployment, calibration, and operation of plasma diagnostics for their fusion generators. This onsite role involves hands-on experimental work with plasma diagnostics, test campaigns, and high-vacuum systems, collaborating with scientists, engineers, and data teams.

Principal Nuclear Materials Engineer at Helion Energy, an onsite role in Everett, WA. This position involves developing designs and materials for high-radiation environments, analyzing material behavior under radiation exposure, and collaborating with cross-functional teams.

Senior Electrical Engineer at Helion Energy focused on dielectric materials development and analysis. Responsibilities include developing and evaluating advanced ceramic and dielectric materials for high-voltage, extreme environments, defining electrical requirements and test methods for high-field magnet systems, and characterizing material properties.

Senior Materials Engineer, Diagnostics at Helion Energy in Everett, WA. This role involves leading the development of materials health monitoring for fusion generators by designing, qualifying, and deploying diagnostics to detect and quantify material degradation under various stimuli. The engineer will collaborate with cross-functional teams to integrate diagnostics into hardware and predictive models.

Principal Compensation Partner at Helion Energy, an onsite role based in Seattle, WA. This individual contributor will lead the company's compensation strategy, focusing on evolving equity programs and building scalable compensation structures for technical, corporate, and manufacturing teams. Responsibilities include designing salary, hourly pay, and incentive structures, owning equity strategy, and advising executive leadership.

Senior Manager, Materials Science at Helion Energy will lead the Materials Interactions and Diagnostics team. This role involves developing and deploying capabilities for designing, testing, and monitoring materials in extreme environments, overseeing R&D tools, and guiding subject matter experts to meet materials innovation goals.

Principal Electrical Engineer - RF at Helion Energy is an onsite role in Everett, WA. This position involves designing, implementing, and operating advanced RF circuits and diagnostic systems for fusion generators, integrating plasma science with high-power electrical engineering.

This is a call for proposals for Helion Energy's HERCULES initiative, which supports research in materials science, nuclear engineering, fuel cycle, plasma physics, and pulsed power to scale fusion energy. Funding ranges from $10,000 to $2,000,000 across three phases, with proposals reviewed year-round and a priority deadline of January 5, 2026.

Helion Energy is seeking a Corporate Communications Specialist to execute internal and external communications. This role involves managing high-visibility programs like the company newsletter and town halls, supporting executive communications, and media relations. The specialist will also help create systems for coordinating communications initiatives.

Senior Test Engineer at Helion Energy responsible for designing, building, and sustaining electrical test systems for PCBAs, power electronics, and high-voltage assemblies. This hands-on, lab-based role supports hardware iteration and reliable delivery of mission-critical electrical systems for fusion generators.

Senior Controls Technician at Helion Energy responsible for maintaining and troubleshooting complex automated manufacturing equipment, including PLC/HMI-controlled systems, instrumentation, and robotics. The role supports production uptime and partners with engineering teams for system improvement and scalability.

Senior Materials Engineer, Dielectrics at Helion Energy will develop and evaluate dielectric materials for high-voltage components in a fusion reactor environment. Responsibilities include leading projects for new materials, assessing emerging materials, and quantifying performance under radiation, heat, stress, and high-voltage conditions.

Helion Energy is hiring a Principal Applied Plasma Data Scientist to accelerate experimental FRC plasma modeling. This role involves developing and validating physics-grounded machine learning frameworks and integrating them with simulation and diagnostics pipelines. The position is onsite in Everett, WA.

Helion Energy is seeking a Principal Power Electronics Engineer to own high-risk, ambiguous pulsed-power and power-conversion challenges. This role involves setting technical direction and standards for the electrical organization, shaping the architecture for fusion power plants.

Electrical Engineer at Helion Energy. This role supports core electrical energy management systems for fusion generators, focusing on pulsed power delivery, magnetics, power electronics, and energy recovery. Responsibilities include designing, testing, and scaling high-voltage systems.

Helion Energy is seeking a High Voltage Test Technician to perform high-voltage testing of production assemblies, subsystems, and components for their fusion generators. This onsite role involves implementing and troubleshooting test setups, operating test equipment, and collaborating with engineering teams to validate system performance and improve test execution.

Materials Engineering Intern at Helion Energy in Everett, WA. This 12-week onsite role involves assisting in the research and development of new materials (metals, ceramics, polymers, composites), conducting experiments, performing material characterization tests, and presenting results.

Senior Power Electronics Engineer at Helion Energy, an onsite role in Everett, WA. This position involves supporting the design, development, and optimization of core energy management systems for fusion generators, including high-voltage pulsed power delivery and AC grid-tie systems.

Senior Mechanical Engineer at Helion Energy responsible for owning hardware designs for fusion generator prototypes. This role involves solving multidisciplinary engineering problems in areas like electromagnetic, structural, fluid, thermal, and control systems, and designing fusion hardware using 3D CAD software and analysis tools.

Helion Energy is seeking a Machine Shop Supervisor to lead day-to-day operations and supervise a team of machinists, welders, and technicians. This role involves managing people, executing operations, and solving technical problems to support rapid prototyping and experimental hardware.

Helion Energy is seeking a Facilities Operations Manager to lead facilities operations across their growing portfolio. This role involves managing day-to-day reliability, long-term infrastructure strategy, operational rigor, vendor performance, and capital planning support. The position is onsite at their Everett, WA headquarters.

Materials Engineer at Helion Energy responsible for designing and running experiments, developing test setups and procedures, and analyzing data to provide recommendations. The role involves leading failure investigations on various material systems and components, contributing materials input to designs, and collaborating with cross-functional teams. This is an onsite position in Everett, WA.

Senior Accounts Payable Analyst at Helion Energy responsible for the end-to-end accounts payable process. This role involves ensuring accurate and timely payments, maintaining financial controls, and partnering with various departments to resolve issues and improve AP processes and systems.

Helion Energy is seeking a Senior Materials Engineer to lead the development of materials health monitoring for their fusion generators. This role involves designing, qualifying, and deploying diagnostics to detect material degradation under various stimuli and integrating these into hardware and predictive models.