{"id":1645689,"url":"https://alion.io/job/quandela-quantum-optics-scientist-qpu-prototyping","title":"Quantum Optics Scientist - QPU Prototyping","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":8,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Quantum","role_family":"Quantum","seniority":null,"employment_type":"full_time","work_mode":"on_site","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":{"min_usd":46000,"max_usd":136000,"period":"year","method":null,"sample_n":80},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-01T23:32:56Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-11-05T06:19:07Z","board_verified":true,"closed_at":null,"days_open":34,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":34},"description":"About Quandela:\nQuandela is a global leader in quantum computing, designing, building, and delivering cutting-edge quantum solutions for research and industry. Its offerings include the most 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. Following 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. Quandela 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\nAbout this position:\nYou will join the QPU Prototyping team, responsible for developing and integrating the optical systems at the heart of Quandela's quantum processors.\nWorking alongside experimental scientists and engineers across optics, electronics and semiconductor technologies, you will develop quantum optical modules for current and next-generation QPUs.\nWe are looking for a Quantum Optics Scientist with strong experimental expertise, capable of designing, operating and optimising complex photon-based systems.\nThis is a hands-on R&D position, combining experimental quantum optics, practical problem-solving and system integration.\n\nWhy This Role Matters?\nYour experiments won't stop at the laboratory bench. They will become part of operational quantum processors.\nBy improving optical performance, stability and reproducibility, you will help turn advanced quantum optics experiments into reliable QPU modules.\nYour work will also contribute to Quandela's next-generation systems, including developments towards logical qubits and fault-tolerant quantum computing.\nWhat you'll do:\nDevelop and operate quantum optical systems\nDesign, assemble and align complex free-space and fibre-based optical setups. \nOperate single-photon systems, interferometers and correlation experiments. \nCharacterise interference, indistinguishability and related quantum optical properties. \nStabilise experimental setups and troubleshoot performance limitations. \nOptimise and integrate QPU modules\nPrototype, characterise and qualify quantum optical modules. \nMeasure optical losses, noise, drift and system stability. \nImprove performance, reproducibility and long-term reliability. \nIntegrate modules into QPUs and validate against specifications. \nDevelop experimental tools and collaborate\nBuild Python tools for acquisition, calibration and data analysis. \nDocument experiments, test protocols and integration procedures. \nCollaborate with semiconductor optics, electronics and system integration teams. \nContribute to new experimental approaches and next-generation QPU developments.\nHow you'll grow:\nFirst 3 months: Become familiar with Quandela's quantum optical systems, experimental infrastructure and QPU requirements. Take ownership of your first setup.\nWithin 6 months: Develop and qualify a quantum optical module, contributing to its integration into an operational QPU.\nWithin 12 months: Take ownership of multiple modules or a QPU subsystem, with increasing responsibility for performance and stability.\nLonger term: Mentor junior engineers, contribute to new QPU architectures and potentially progress towards technical leadership.\nRequirements\nWhat we're looking for: \nWe are looking for anexperimental quantum optics scientist with strong hands-on expertise and the ability to turn complex optical experiments into reliable hardware.\nWe welcome PhD graduates, postdoctoral researchers and experimental scientists with experience in photon-based quantum systems. Experience across different research environments is particularly valued.\nMust-have:\nPhD in Quantum Optics, Experimental Physics, Photonics or a related field. \nDirect experimental experience with photon-based quantum systems.\nHands-on expertise in single-photon interference, correlations or HOM measurements. \nExperience designing, aligning and stabilising complex optical setups. \nAbility to characterise optical performance and troubleshoot experimental challenges. \nPython for experimental acquisition, calibration and data analysis. \nExperimental autonomy, documentation discipline and collaborative mindset. \nProfessional English. French is not required. \nImportant, but you can grow here:\nTechnical & system integration\nQPU module qualification and integration into larger hardware systems. \nSemiconductor quantum-dot sources and spin-photon technologies. \nExperimental electronics, DAQ systems and instrument control. \nOperational ownership\nDeveloping reproducible test procedures and integration documentation. \nCoordinating experiments across multidisciplinary technical teams. \nBonus:\nExperience with photonic integrated circuits or cryogenic systems. \nFamiliarity with spin-photon interfaces or spin-based quantum systems. \nFPGA, firmware or advanced experimental control techniques. \nExperience transferring R&D experiments into operational hardware. \nDirect spin expertise is not required. What matters is your quantum optics background, experimental autonomy and ability to learn new technologies.\nBenefits\nJoin a multidisciplinary team developing quantum optical systems for next-generation processors, with direct experimental ownership and opportunities for technical progression.\nCompetitive compensation aligned with experience. \nCompany savings plan and profit-sharing. \n100% health coverage through Alan. \nTransport reimbursement or sustainable mobility bonus. \nSwile meal vouchers. \nGymlib and childcare support. \nReferral programme. \nProcess\nTalent Acquisition interview (30-45 min) \nHiring Manager interview (45 min) \nTechnical case study or experimental discussion \nTwo reference checks \nMeeting with the team \nOffer \nBeyond that: At Quandela, we value diverse scientific backgrounds, curiosity and practical experimental skills.\nWhether you are completing your PhD, working as a postdoctoral researcher or exploring opportunities beyond academia, we'd love to hear from you if you enjoy building complex quantum optical experiments and turning research into working technology.","description_format":"text","description_chars":6334,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Quantum Science & Computing","Quantum Computing Hardware"],"lifecycle":[{"event":"open","at":"2026-10-01T23:32:56Z"}],"visa":[],"liveness":{"score":58,"band":"ok","label":"Likely open","p_open":1,"p_active":0.776,"p_room":0.75,"age_days":34,"expected_fill_days":48,"reasons":["conf:4","velocity","win:late"],"computed_at":"2026-11-05T05:54:30Z"},"pay":null,"html_url":"https://alion.io/job/quandela-quantum-optics-scientist-qpu-prototyping","json_url":"https://alion.io/job/quandela-quantum-optics-scientist-qpu-prototyping.json","meta":{"generated_at":"2026-11-05T07:59:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10180,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":704},"rest":"https://alion.io/mcp/rest/get_company?id=704"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fquandela-quantum-optics-scientist-qpu-prototyping"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fquandela-quantum-optics-scientist-qpu-prototyping"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fquandela-quantum-optics-scientist-qpu-prototyping"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/quandela-quantum-optics-scientist-qpu-prototyping\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fquandela-quantum-optics-scientist-qpu-prototyping"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1645689}},{"tool":"search_jobs","arguments":{"company":"quandela.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1645689},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}