{"id":2846909,"url":"https://alion.io/job/quandela-quantum-optics-scientist-spin-based-quantum-systems-2","title":"Quantum Optics Scientist - Spin-Based Quantum Systems","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":98,"open_postings":9,"ghost_share":0,"stale_share":0,"repost_share":0.111,"time_to_fill_p50_days":44,"computed_at":"2026-10-21T05:46:15Z"}},"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":["Palaiseau, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":44000,"max_usd":131000,"period":"year","method":null,"sample_n":71},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-19T11:28:25Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-22T02:22:19Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"- About Quandela:\nQuandela is a European deeptech scale-up developing modular, scalable and energy-efficient photonic and spin-optical quantum computers, accessible through the cloud and on-premises.\nWith over 140 employees, we develop our own hardware and software stack, from semiconductor quantum emitters and photonic processors to quantum control systems and algorithms.\nOur ambition is to build large-scale, fault-tolerant quantum computers, combining quantum dot technologies, scalable spin-photon interfaces and distributed entanglement within future Spin-Optical Quantum Computing (SPOQC) architectures.\n- About this position:\nYou will join Quandela's Semiconductor Optics Team, bringing together expertise in quantum optics, spin physics, semiconductor technologies and quantum information.\nYour focus will be to develop and validate photon-mediated spin-spin entanglement protocols, improve spin coherence and operation fidelity, and advance optical control techniques for future hybrid quantum computing architectures.\nWe are looking for an experienced experimental scientist who can independently drive complex experimental activities, shape technical directions and translate scientific results into reliable technological building blocks, working closely with our research and engineering teams.\nWith several experimental building blocks still under development, you'll have room to shape technical choices, tackle open scientific challenges and directly influence our technology roadmap.\n- What you'll do:\nSpin-based quantum experiments\nDesign, develop and optimize optical experiments involving spin-photon sources.\nImplement optical control schemes for spin initialization, readout and manipulation.\nCharacterize spin coherence, operation fidelity and entanglement quality.\nScientific and experimental ownership\nIndependently drive experimental investigations, from design to validation.\nStructure and prioritize scientific activities, milestones and technical challenges.\nTroubleshoot complex experimental systems and propose technical improvements.\nShare expertise and support less experienced colleagues when relevant.\nTechnology development and integration\nDevelop and validate photon-mediated spin-spin entanglement protocols.\nCollaborate with theory, electronics and semiconductor technology teams.\nImprove experimental robustness, reproducibility and system performance.\nTranslate scientific results into demonstrators and technological building blocks for future multi-spin architectures.\n- How You Will Grow:\nDuring your first 3 months\n You will become familiar with Quandela's experimental platforms and ongoing demonstrators, contributing your expertise to current technical challenges.\nWithin 6 months\n You will drive dedicated experimental workstreams, contribute to key technical decisions and strengthen theory-to-experiment feedback loops.\nWithin 1 year\n You will help shape the team's experimental direction, advance distributed entanglement demonstrations and contribute to future spin-based architectures.\nRequirements\n- What we're looking for\nWe are looking for an experienced experimental researcher combining strong scientific expertise, technical autonomy and the ability to drive complex research activities.\nMust-have\nPhD in Spin Physics, Quantum Optics or a related field.\nHands-on experience with spin-based quantum systems (control, readout or coherence measurements).\nProven autonomy in designing, optimizing and troubleshooting complex quantum experiments.\nStrong understanding of quantum optics, spin coherence and experimental measurement techniques.\nAbility to lead scientific activities and make independent technical decisions.\nComfortable collaborating across experimental, theory and engineering teams\nImportant, but you can grow here\nPhoton-mediated entanglement protocols and multi-spin architectures.\nSemiconductor quantum emitters, quantum dots and spin-photon interfaces.\nAdvanced optical control, cryogenic platforms and fast electronics.\nExperimental qualification, system integration and technology transfer.\nBonus points\nExperience bridging academic research and industrial R&D.\nExperience coordinating scientific projects or mentoring researchers.\n- Career Stage & Team Contribution:\nWe primarily target candidates with a PhD and 4+ years of postdoctoral or equivalent R&D experience, combining scientific expertise with strong experimental autonomy.\nResearchers completing a substantial postdoc are also welcome if they demonstrate scientific maturity, technical ownership and readiness for broader responsibilities.\nPeople management experience is not required. What matters is your ability to drive scientific activities, tackle complex technical challenges and share your expertise with the team.\nBenefits\nProfit-sharing and a company savings plan. \nPublic transport subscription covered at 50%. \nAnnual sustainable mobility bonus for eco-friendly transport (e-bike, electric car). \nFully covered health insurance (Alan). \nReferral program (€1,000 for a junior and €2,000 for an experienced candidate). \nAccess to a nursery via choisir-ma-creche or contribution to childcare expenses. \nSubsidy for gym membership and sports activities (Gymlib). \nMeal subsidies (Swile).\nLocalisation of the position : Based at the IPVF campus in Palaiseau, within the Paris-Saclay research ecosystem.\nProcess:\nTalent Acquisition Interview (30-45 min)\nHiring Manager Interview (45-60 min)\nTechnical discussion and presentation of previous research work\nMeeting with the team and scientific discussion\nReference checks\nOffer\n- Beyond That\nAt Quandela, you'll work on challenging scientific questions while helping turn experimental advances into technologies for future quantum computers.\nOur spin-based platforms are still evolving, leaving room to explore new approaches, influence technical directions and take real ownership of experimental challenges.\nIf you're excited by the idea of combining ambitious quantum research with tangible technological impact, we'd love to hear from you, even if your background doesn't match every requirement.","description_format":"text","description_chars":6097,"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":["Gym membership","Health insurance","Sports activities"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Quantum Science & Computing","Quantum Computing Hardware"],"lifecycle":[{"event":"open","at":"2026-10-19T11:28:25Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":44,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/quandela-quantum-optics-scientist-spin-based-quantum-systems-2","json_url":"https://alion.io/job/quandela-quantum-optics-scientist-spin-based-quantum-systems-2.json","meta":{"generated_at":"2026-10-22T03:20:17Z","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":3116,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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-spin-based-quantum-systems-2"},{"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-spin-based-quantum-systems-2"},{"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-spin-based-quantum-systems-2"},{"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-spin-based-quantum-systems-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fquandela-quantum-optics-scientist-spin-based-quantum-systems-2"}]}