{"id":3838361,"url":"https://alion.io/job/quandela-photonics-packaging-cryogenic-integration-rd-engineer","title":"Photonics Packaging & Cryogenic Integration R&D Engineer","company":{"id":704,"name":"Quandela","domain":"quandela.com","url":"https://alion.io/company/quandela","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":100,"open_postings":7,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":49,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Semiconductors","role_family":"Semiconductors","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Massy, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"ANSYS","optional":true},{"name":"Computer Vision","optional":true},{"name":"KiCad","optional":true}],"status":"live","first_seen_at":"2026-11-05T21:48:40Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-10T05:13:34Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Quandela is a global leader in quantum computing, designing, building, and delivering cutting-edge quantum solutions for research and industry.\nIts offerings include a very energy-efficient quantum computers for data centers, full-stack quantum computing solutions accessible via the cloud, and algorithm access services for academic and industrial customers.\nFollowing a pragmatic, step-by-step roadmap, Quandela has been deploying industrial-grade systems since 2023 while developing future generations of fault-tolerant quantum computers capable of scaling through the integration of thousands of photonic components.\nQuandela is committed to making quantum computing accessible to all in order to address the most complex industrial and societal challenges.\nLearn more at: Quandela | Leading Photonic Quantum Computing Solutions\nDescription of the Team/Project\nWe are looking for a Photonics Packaging & Cryogenic Integration Engineer to contribute to the development and industrialization of our photonic quantum systems.\nYou will work on the integration of single-photon sources, photonic integrated circuits and optical/electromechanical assemblies, with a strong focus on miniaturization, automation and operation under cryogenic conditions.\nThis is a highly hands-on role at the intersection of photonics, electronics, mechanics, automation and experimental physics.\nYou will contribute across the full development cycle: design, prototyping, assembly, testing, optimization and transfer toward industrial-scale production.\nYour Key Responsibilities:\nDesign and develop packaging and integration solutions for photonic and quantum devices.\nIntegrate single-photon sources, photonic integrated circuits and optical components into complete systems.\nDevelop and optimize optical coupling strategies, including fiber coupling and direct chip-to-chip integration.\nDesign, build and assemble precision positioning and alignment systems, including nano-positioning stages and multi-axis platforms.\nDevelop experimental setups operating under cryogenic conditions, typically in the 2-4 K range.\nDesign mechanical parts and assemblies using CAD tools.\nContribute to electronics development, including PCB design, instrumentation and control systems.\nAutomate alignment, test and characterization processes using Python, C++, Rust or similar programming languages.\nWork with microcontrollers, FPGA-based systems or other hardware-control architectures when relevant.\nBuild, test and iterate rapidly on prototypes, including using 3D printing and other rapid prototyping techniques.\nPerform test and measurement activities to characterize system performance and identify failure modes.\nContribute feedback to the design of photonic chips and single-photon sources based on integration and testing results.\nSupport the transition from laboratory prototypes to repeatable and scalable manufacturing processes.\nDocument designs, experiments, procedures and lessons learned, and actively share knowledge within the team.\nRequirements\nWhat we're looking for: \nYou should ideally bring:\nA PhD in electrical engineering, mechanical engineering, applied physics, condensed matter physics, solid-state physics, optics, photonics or a related field.\nStrong hands-on experience building and testing scientific or high-precision equipment.\nExperience with photonics, optomechanics, semiconductor devices, cryogenics or precision engineering.\nFamiliarity with optical alignment, fiber coupling and/or photonic packaging.\nExperience with mechanical design and CAD tools.\nGood understanding of electronics, instrumentation and test equipment.\nProgramming skills in Python, C++, Rust or similar languages for automation and hardware control.\nExperience working with multidisciplinary systems combining optics, mechanics, electronics and software.\nStrong experimental problem-solving skills and the ability to iterate quickly from concept to prototype.\nExcellent written and spoken English, with the ability to produce clear technical documentation and collaborate in an international environment.\nNice to Have\nExperience in one or more of the following areas would be particularly valuable:\nCryogenic systems and experiments at very low temperatures.\nPhotonic or optoelectronic packaging.\nChip bonding, indium bump bonding or related micro-assembly techniques.\nPick-and-place systems or automated precision assembly.\nNano-positioning and multi-axis motion control systems.\nRobotics or computer vision.\nFPGA or microcontroller development.\nPCB design using KiCad or similar tools.\nFinite-element simulation using tools such as ANSYS or COMSOL.\nSemiconductor or quantum photonics environments.\nMore than a specific academic background, we are looking for someone who enjoys building complex scientific systems and solving problems directly at the hardware level.\nBenefits\nCompetitive salary, flexible based on your experience \nCompany savings plan\n100% health coverage (Alan)\n50% transport reimbursement or sustainable mobility bonus\nMeal vouchers (Swile), Gymlib fitness support\nChildcare assistance & referral bonuses (€1,000-€2,000)\nWhat we offer:\nA meaningful role with real ownership, from day one\nA team eager to collaborate and grow with you\nA hybrid work model (3-4 days/week onsite in Massy, 1 day in Paris or 1 to 2 days remotely)\nDaily exposure to the entire quantum stack - from high-level APIs to low-level firmware, and everything in between.\nProcess\nTalent Acquisition Interview (30' - 45')\nHiring Managers Interview (45')\nUse Case (a live use case or one to be prepared at home and presented afterward)\nMeeting with the teams \n2 to 3 reference check\nOffer \n(This process is provided for guidance only and may evolve depending on the roles)\nAt Quandela, we believe that the strength of our team is the plurality of experiences, perspectives, and journeys. We are committed to building a respectful, inclusive, and welcoming work environment. 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