{"id":1012957,"url":"https://alion.io/job/quantinuum-mechanical-engineering-intern-for-photonics-physics-package-rd-996","title":"Mechanical Engineering Intern for Photonics Physics Package R&D - 996","company":{"id":696,"name":"Quantinuum","domain":"quantinuum.com","url":"https://alion.io/company/quantinuum","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":82,"open_postings":11,"ghost_share":0,"stale_share":0.727,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Semiconductors","role_family":"Semiconductors","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":["Broomfield, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":27,"max":36,"currency":"USD","period":"hour","gross":null,"usd_annual":72000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GD&T","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-09-17T15:23:25Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-11-09T22:32:35Z","board_verified":true,"closed_at":null,"days_open":53,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":53},"description":"We are seeking a Mechanical Engineering Intern for Photonics Physics Package R&D in our Broomfield, CO location to support trapped-ion integrated photonics R&D team.\nOur diverse team of engineers and scientists develops optics and integrated photonics technologies that enable scaling of our trapped-ion quantum computers from our current 98-qubit Helios system to our future Lumos system with hundreds of thousands of qubits. The data, designs, and expertise from our group inform our next-generation systems, from the overall architecture to the tiniest of details. We are looking for more collaborative engineers and scientists to join our cross-disciplinary team.\nKey Responsibilities:\nSupport the trapped-ion integrated photonics R&D effort through one or more of the following: \nSupport the design, build, integration, and/or operation of cryogenic ultra-high vacuum (UHV) test systems used to evaluate and scale next-generation quantum computing technologies. \nCreate and maintain 3D CAD models, detailed engineering drawings, and assembly documentation for custom mechanical components, fixtures, and test hardware. \nCollaborate with engineers and scientists to fabricate, assemble, troubleshoot, and improve experimental ion trap test systems. \nCollect and analyze data to validate hardware performance, reliability, and manufacturability. \nSupport root cause investigations and failure analysis activities to identify design improvements and enhance system performance. \nContribute to design reviews, engineering documentation, and configuration management processes. \nWork closely with the Integrated Photonics team to design and build fixtures, tooling, and test hardware supporting photonic device characterization and validation. \nYou Must Have:\nActively pursuing a bachelor’s degree in mechanical engineering or related degree \nGraduating after December 2027 \nDue to Contractual requirements, applicants for employment for this position must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States and with Quantinuum. (i.e., H1-B visa, F-1 visa (OPT), TN visa or any other non-immigrant status)\nDue to national security requirements imposed by the U.S. Government, candidates for this position must not be a People's Republic of China national or Russian national unless the candidate is also a U.S. citizen.\nWE VALUE:\nCuriosity towards vacuum systems, cryogenics, precision mechanics, optics, photonics, or scientific instrumentation and their connection to quantum computing \nStrong problem-solving skills with a willingness to troubleshoot complex multidisciplinary systems. \nAbility to communicate technical concepts clearly and work effectively in multi-disciplinary teams. \nExperience with CAD software such as SolidWorks or Onshape. \nHands-on experience designing, fabricating, or assembling mechanical systems in a laboratory, research, academic, or industry setting. \nFamiliarity with engineering drawings, GD&T, tolerance stack-up analysis, and design for manufacturing principles. \nExperience 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