Principal Materials Design Scientist jobs in Everett – Browse 18 openings on RoboApply Jobs

Principal Materials Design Scientist jobs in Everett

Open roles matching “Principal Materials Design Scientist” with location signals for Everett. 18 active listings on RoboApply Jobs.

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Helion logo
Full-time|On-site|Everett, WA

Join Helion as a Principal Materials Design Scientist, where you will spearhead cutting-edge materials research and development initiatives. Your expertise will play a critical role in advancing our innovative technologies. You will collaborate with a dynamic team of scientists and engineers to enhance material properties and performance for various applicat…

Mar 6, 2026
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Helion Energy Inc. logo
Full-time|On-site|Everett, WA

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 inaugural fusion power plant, paving the way for a future brimming with limitless clean electricity. We envision a world where energy is clean, dependable, and accessible to all.Since our inception in 2013, we have successfully raised over $1 billion from esteemed investors such as Sam Altman, Mithril, Capricorn Investment Group, along with recent backing from SoftBank and Lightspeed. 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). Currently, we are advancing our Polaris prototype, a crucial step toward realizing our vision of the first fusion power plant.This is an exciting moment to join Helion. You will engage with pressing real-world challenges alongside a team that values urgency, precision, accountability, and a commitment to candidness—qualities that are vital to achieving unprecedented accomplishments in the energy sector. Together, we are poised to transform the future of energy, because the world cannot afford to wait.

Oct 1, 2025
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Helion Energy logo
Full-time|On-site|Everett, WA

About Helion EnergyHelion Energy is a pioneering fusion power company headquartered in Everett, WA. Our mission is to revolutionize energy production by constructing the world’s first fusion power plant, paving the way for a future fueled by limitless clean electricity. We envision a world where energy is not only clean but also reliable and affordable for everyone.Since our inception in 2013, we have garnered over $1 billion in investments from respected figures such as Sam Altman and organizations like SoftBank and Lightspeed, driving our mission forward. Our recent prototype, Trenta, achieved 10,000 high-power pulses and reached extraordinary plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype, as we progress towards our goal of establishing the world’s first fusion power plant.This is an exciting moment to join Helion Energy. You will be part of a dynamic team that tackles pressing challenges, where urgency, thoroughness, accountability, and a commitment to truth are paramount—values that are crucial to achieving unprecedented feats. Together, we will reshape the future of energy, as the world cannot afford to wait.

Aug 8, 2025
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Helion Energy, Inc. logo
Full-time|On-site|Everett, WA

About HelionHelion is at the forefront of revolutionizing energy, dedicated to building the world’s first fusion power plant. Based in Everett, WA, our mission is to provide a future filled with limitless clean electricity. We envision a world where energy is clean, reliable, and affordable for everyone.Founded in 2013, Helion has successfully raised over $1 billion from esteemed investors, including Sam Altman, Mithril, and Capricorn Investment Group, along with new partners like SoftBank and Lightspeed. Our groundbreaking prototype, Trenta, achieved 10,000 high-power pulses, reaching plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing with Polaris, our next prototype that leads us closer to realizing the first fusion power plant.Join us at this pivotal moment in Helion's journey. You will face real-world challenges alongside a team that values urgency, rigor, ownership, and a commitment to transparency — qualities essential for achieving unprecedented milestones. Together, we can transform the energy landscape because the world cannot afford to wait.

Oct 18, 2025
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Helion logo
Full-time|On-site|Everett, WA

Join Helion as a Senior Technologist specializing in materials, where you will play a pivotal role in innovating and enhancing material solutions. You will collaborate with cross-functional teams to develop advanced technologies that drive our mission forward.

Apr 6, 2026
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Helion logo
Full-time|On-site|Everett, WA

Join Helion as a Senior Materials Engineer with a focus on Ceramic Fabrication. This pivotal role will enable you to lead innovative projects, develop advanced ceramic materials, and leverage your expertise to enhance product performance. Collaborate with cross-functional teams to drive material design and process improvements while mentoring junior engineers.

Apr 6, 2026
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Helion Energy, Inc. logo
Full-time|On-site|Everett, WA

About Helion EnergyHelion Energy, based in Everett, WA, is at the forefront of fusion power technology with the ambitious goal of constructing the world's first fusion power plant. We envision a future where clean, reliable, and affordable energy is accessible to all.Since our inception in 2013, we've garnered over $1 billion in investments from esteemed backers including Sam Altman and SoftBank. Our latest prototype, Trenta, successfully executed 10,000 high-power pulses, achieving plasma temperatures of 100 million degrees Celsius (9 keV). Currently, we are advancing our Polaris prototype, a critical step towards realizing our vision of a fusion power plant.Joining Helion now means being part of a pivotal moment in energy innovation. As a member of our dedicated team, you'll engage in solving real-world challenges, guided by values of urgency, rigor, and commitment to honesty – essential traits needed to pioneer a revolutionary energy future.

Apr 7, 2026
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Helion logo
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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Helion logo
Full-time|On-site|Everett, WA

Join Helion as a Principal RF Electrical Engineer and play a pivotal role in designing and developing innovative RF solutions. In this exciting position, you will lead projects from conception through execution, collaborating with a talented team of engineers to deliver cutting-edge technology. Your expertise will help shape the future of wireless communication.

Mar 2, 2026
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Helion logo
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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Helion Energy logo
Full-time|On-site|Everett, WA

Join Helion Energy as a Senior Computational Plasma Scientist!At Helion Energy, we are pioneering the future of fusion power based in Everett, WA, with an ambitious goal of constructing the world's first fusion power plant. Our vision is to create a sustainable future powered by unlimited clean electricity, making energy accessible, reliable, and affordable for all.Since our inception in 2013, we have raised over $1 billion from notable investors including Sam Altman, Mithril, and Capricorn Investment Group, alongside new partners such as SoftBank and Lightspeed. Our groundbreaking prototype, Trenta, successfully completed 10,000 high-power pulses, achieving plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing our next prototype, Polaris, as we journey towards realizing our vision of the first fusion power plant.This is an exciting moment to become a part of Helion. You will engage in solving formidable challenges within a team that values urgency, precision, accountability, and a commitment to transparency. These core principles are vital to accomplishing what has never been done before. Together, we will redefine the future of energy, because the world cannot afford to wait.Your Role:As a Senior Computational Plasma Scientist, you will collaborate with engineers and scientists on a diverse range of topics including plasma physics, magnetic field diffusion, eddy currents, circuit response, and structural mechanics. You will report directly to our Director of Research at our Everett, WA office.Key Responsibilities:Operate our internal MHD code to simulate FRC dynamics across various conditions, from initial setup to result postprocessing.Analyze FRC dynamics, circuit responses, and magnetic loads to support the development of our fusion generators.Conduct analyses to interpret experimental data by replicating experimental conditions using our MHD code.Collaborate with domain experts to enhance your technical skills and knowledge in the field.Effectively communicate simulation results and insights to both scientists and engineers through comprehensive reports, presentations, and graphics.

Feb 11, 2025
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3 Day Blinds Sales logo
Full-time|On-site|Everett, WA, United States

Role Overview 3 Day Blinds Sales is searching for a Design Sales Representative in Everett, WA. This position centers on helping clients improve their homes through personalized design solutions. Representatives meet with customers, listen to their preferences, and recommend products that fit both style and function. What You Will Do Consult with clients to understand their design goals and needs Recommend window treatments and design options tailored to each customer Guide clients through product choices and help them visualize the final result Support customers throughout the sales process, from initial meeting to final selection Who Thrives Here People who enjoy face-to-face customer interaction Those with an eye for design and detail Individuals who want to see the impact of their work in clients’ homes

Apr 16, 2026
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Helion logo
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 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.

Dec 19, 2025
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Helion logo
Full-time|On-site|Everett, WA

About HelionHelion is at the forefront of fusion energy innovation, headquartered 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 but also reliable and affordable for everyone.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 a remarkable milestone with 10,000 high-power pulses, reaching plasma temperatures of 100 million degrees Celsius (9 keV). We are currently advancing with our next prototype, Polaris, on our journey toward the world’s first fusion power plant.This is an exciting time to join Helion as we confront real-world challenges. We prioritize urgency, rigor, ownership, and honesty—values that are crucial for achieving unprecedented milestones in energy technology. Together, we can transform the energy landscape because the world can’t afford to wait.

Jan 21, 2026
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Helion Energy logo
Full-time|On-site|Everett, WA

About HelionHelion Energy is at the forefront of fusion power technology, headquartered in Everett, WA. Our ambitious mission is to pioneer the world's first fusion power plant, thereby creating a future characterized by limitless clean electricity. We envision a world where energy is not only clean but also reliable and affordable for all.Founded in 2013, we have 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, to accelerate our advancements. Our latest prototype, Trenta, 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-generation prototype, in our mission to develop the world's first fusion power plant.This is an exciting time to join Helion. You will be addressing significant global challenges alongside a passionate team that values urgency, rigor, ownership, and a dedication to transparency — principles that are crucial for achieving unprecedented energy solutions. Together, we can redefine the future of energy, as the world cannot afford to wait.

Dec 19, 2025
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Helion logo
Full-time|On-site|Everett, WA

Helion seeks a Principal Fuel Cycle Engineer based in Everett, WA. This position plays a key part in designing and refining fuel cycles for the company’s energy systems. The work closely aligns with Helion’s mission to advance sustainable energy technologies. Role overview This role focuses on shaping fuel cycle strategies and improving system performance. The Principal Fuel Cycle Engineer will contribute technical expertise to support the development of Helion’s energy solutions. Key responsibilities Design and optimize fuel cycles for Helion’s energy systems Collaborate with engineering teams to ensure alignment with sustainability goals Support ongoing efforts to develop advanced energy technologies Location This position is based in Everett, WA.

Apr 27, 2026
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Helion Energy, Inc. logo
Full-time|On-site|Everett, WA

About HelionHelion Energy is a pioneering fusion power company headquartered in Everett, WA, dedicated to creating the world’s inaugural fusion power plant. Our goal is to facilitate a future where clean, limitless electricity is accessible to all. Founded in 2013, Helion has successfully raised over $1 billion from esteemed investors, including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed, to accelerate our advancements. Our latest prototype, Trenta, achieved an impressive 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are currently operating Polaris, our next prototype, as we advance towards the world's first fusion power plant.This is an exciting opportunity to join Helion during a transformative phase. You will address real-world challenges alongside a team that values urgency, rigor, accountability, and transparency—qualities essential for achieving unprecedented breakthroughs in the energy sector. Together, we will reshape the future of energy, as the world cannot afford to wait.

Jan 21, 2026
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Helion logo
Full-time|On-site|Everett, WA

About HelionHelion is a pioneering fusion energy company located in Everett, WA, dedicated to constructing the world’s first fusion power plant. Our mission is to facilitate a future where clean, limitless electricity is accessible to all.Since our inception in 2013, we have successfully secured over $1 billion from esteemed investors including Sam Altman, Mithril, and Capricorn Investment Group, alongside new partners like SoftBank and Lightspeed. 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). Currently, we are advancing with Polaris, our next prototype, on our journey to revolutionize energy.Joining Helion now means being part of an extraordinary moment. You will confront genuine challenges alongside a team that values urgency, meticulousness, accountability, and a commitment to transparency. These principles are crucial to accomplishing what has never been done before. Together, we will reshape the energy landscape because the world cannot wait.Your Role:As a Frontend Software Engineer, you will serve as a vital link between our fusion machine operators and our sophisticated software systems. You will be responsible for designing and implementing user interfaces that our operators engage with daily. By immersing yourself with the operators in the control room, you will gain insights into their workflows, tools, and challenges, enabling you to craft interfaces that enhance efficiency, clarity, and confidence. You will manage the frontend of critical operator tools, developing real-time data visualizations, actionable alerts, and seamless interactions that empower our teams to operate the fusion machine safely and effectively. This hands-on position will involve designing, prototyping, and deploying production-ready software while collaborating closely with software, hardware, and operator teams. This role will be performed onsite at our Everett, WA location, reporting directly to the Lead Electrical Engineer.Key Responsibilities:Merge frontend engineering and UX/UI design expertise to develop applications for operators.Engage with machine operators to thoroughly understand their workflows, tools, and challenges.Collaborate with other software vendors to integrate various applications into our product suite.Transform workflows into prototypes, mockups, and production-ready code.Unify fragmented applications to create seamless user experiences.

Feb 25, 2026

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