{"id":1481285,"url":"https://alion.io/job/helion-energy-materials-engineering-summer-intern","title":"Materials Engineering Summer 2027 Intern","company":{"id":10265,"name":"Helion Energy","domain":"helionenergy.com","url":"https://alion.io/company/helionenergy","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":91,"open_postings":38,"ghost_share":0,"stale_share":0.158,"repost_share":0,"time_to_fill_p50_days":99,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"intern","employment_type":"internship","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Everett, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":59,"max":59,"currency":"USD","period":"hour","gross":null,"usd_annual":118000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-29T20:22:12Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-20T19:48:45Z","board_verified":true,"closed_at":null,"days_open":21,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":20},"description":"About Helion\nWe are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.\nSince Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward. Our current prototype, Polaris, has reached record-breaking plasma temperatures of 150 million degrees Celsius (13 keV). Helion is continuing to iterate and on the path to the world's first fusion power plant, Orion.\nThis is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths - values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait.\nWhat You Will Be Doing:\nThe materials engineering team at Helion is responsible for developing novel metals, ceramics, polymers, and composites necessary to successfully operate current and next generation nuclear fusion systems. As a Materials Engineering Intern, you'll assist in literature reviews to guide laboratory experiments and perform material characterization tests, including sample preparation, instrument operation, and data acquisition. Your work will support ongoing research and includes presenting results during weekly team meetings and at the year-end intern showcase. This role offers a unique opportunity to develop technical skills, collaborate with industry experts, and play an active part in shaping the future of clean energy. This is a 12-week onsite internship at our Everett, WA office.\nYou Will:\nAssist in the research and development of new materials, including polymers, metals, ceramics, and composites\n\nConduct experiments to test the properties and performance of materials under various conditions\n\nAnalyze data from material tests and experiments to identify trends and optimize material properties\n\nSupport the characterization of materials using techniques such as microscopy, spectroscopy, and mechanical testing\n\nContribute to the documentation and reporting of research findings, including technical reports and presentations\n\nParticipate in cross-functional team meetings to discuss project progress and challenges\n\nRequired Skills:\nAbility to work full time, onsite for a minimum of 12 consecutive weeks during summer 2027 in Everett, WA\n\nCurrently enrolled in Graduate (Master’s or PhD) degree in Materials Science, Materials Engineering, Chemical Engineering, Mechanical Engineering, Chemistry or a related field\n\nGPA of 3.0 or above\n\nFundamental background in materials science principles, including material properties, thermodynamics (incl. phase diagrams), and mechanics\n\nExperience with laboratory techniques and material characterization tools and a willingness to learn\n\nProficiency in data analysis and familiarity with software tools (e.g., MATLAB, Python, or Origin)\n\n#LI-Onsite #LI-TM1\nBenefits\nOur total compensation package includes benefits, including but not limited to:\nMedical, Dental, and Vision plans for employees and their families\n\n31 Days of PTO (21 vacation days and 10 sick days)\n\n10 Paid holidays, plus company-wide winter break\n\nUp to 5% employer 401(k) match\n\nShort term disability, long term disability, and life insurance\n\nPaid parental leave and support (up to 16 weeks)\n\nAnnual wellness stipend\n\nHelion is an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. 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