{"id":3518207,"url":"https://alion.io/job/speqtral-senior-quantum-optics-engineer","title":"Senior Quantum Optics Engineer","company":{"id":51296,"name":"SpeQtral","domain":"speqtralquantum.com","url":"https://alion.io/company/speqtralquantum","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Quantum","role_family":"Quantum","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":7000,"max":12000,"currency":"SGD","period":"month","gross":true,"usd_annual":112500},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-30T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-30T00:00:00Z","board_verified":false,"closed_at":null,"days_open":10,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":10},"description":"SpeQtral islooking for a highly motivated Senior Quantum Optics Engineer to join our teamof quantum technology pioneers in Singapore. We are commercialisingquantum-secure communications to prepare the world for the quantum future,developing advanced solutions for both space-based and terrestrial networks.Our work spans quantum space systems, terrestrial quantum key distribution,entanglement technologies and high-security communications. As part of ourmission to transform the world’s networks, we are building scalable quantumcommunication capabilities that enable the secure delivery of encryption keysacross local, regional and global networks.\nAt SpeQtral,you will work directly with scientists and engineers to solve the practicalchallenges of quantum communication in terrestrial and space environments.\nQualification:\nPhD in Physics or Quantum Optics with 2 years of experience\nSubstantial postdoctoral or industry experience in quantum optics, quantum photonics, quantum communications, photonics, laser systems or optical instrumentation\nStrong record of experimental research supported by high-quality publications, patents and/or conference presentations in a relevant field\nDemonstrated ability to lead complex technical work from concept and modelling through prototyping, integration, testing and validation\nStrong technical judgement, mentoring capability and an interest in translating deep-tech research into deployable products\nResponsibilities:\nOversee and perform the design and development of quantum and optics hardware \nWork with a team of domain and technology experts implementing solutions based on state-of-the-art and/or cutting-edge R&D \nEffectively present technical content internally as well as to customers or partners\nAssist with creating commercial and research proposals to support work done at SpeQtral and with partners of SpeQtral\nOther related functions as assigned\nTechnical skills:\nQuantum optics: Experience with optical systems that operate in the single photon regime. Familiarity with measurements and analysis of quantum states, specifically for polarization and phase encoding, including laser sources and electro-optic modulators\nExamples: quantum state tomography, polarization entangled photon sources, weak coherent pulsed sources, single photon sources.\nSingle-photon detectors (APDs/SPADs/SNSPDs): Hands-on experience with operation and characterisation of single photon detection systems, including quenching methods, optical coupling, detector-efficiency optimisation, timing-jitter measurement, dark-count and after-pulse analysis and optimisation, and readout electronics.\nIntegrated quantum photonics: Strong understanding of integrated photonic platforms for quantum-state generation, manipulation and detection. \nExperience in Thin-film lithium niobate photonics; Experience designing, modelling or characterising thin-film lithium niobate photonic devices and circuits, including waveguides, electro-optic modulators, laser source and detectors, hybrid approaches and fibre-to-chip coupling.\nFree-space optical communications: Experience with transmitting photons over long distances through free space optical channels.\nExamples: LIDAR, gaussian beam propagation, optical communications.\nQuantum key distribution: Experience with quantum key distribution systems, free-space or fibre based.\nBonus technical skills – experience in any of the following topics is advantageous\n· Optical design software (Zemax)\n· Quantum key distribution software\n· Electronics engineering\n· Data analysis\n· Quantum communication theory, e.g., QKD protocols\n· Space-to-ground QKD\n· Optical communications\n· Control theory\nSpeQtral provides our employees with:\n- Flexibility of working from home\n- Attractive leave entitlement\n- Comprehensive medical and dental insurance\n- Career progression opportunities\nAbout SpeQtral\nSpeQtral is a global quantum technologies company on amission to transform the world’s networks for the quantum revolution. Poweredby technologies developed at the Centre for Quantum Technologies in Singapore,SpeQtral provides specialized solutions for quantum security to clientsconcerned about the security of their communications networks andinfrastructure. SpeQtral’s core expertise lies in using a space-based quantumplatform to establish long distance quantum networks with a global reach. \nSpeqtral | Senior Quantum Optics Engineer\n\nWe regret that onlyshortlisted candidates will be notified.\nSkills\nElectronics Engineering, Silicon Photonics, Laser and Optics Application, Thin Films, Electronics Development, Electro-optics, Optical Measuring, Validation Testing, Photonics, Zemax, Microchip PIC, Quantum Optics, Quantum Physics, LiDAR, Laser, Gaussian","description_format":"text","description_chars":4728,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Dental insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Quantum Science & Computing","Market Research"],"lifecycle":[{"event":"open","at":"2026-10-30T10:28:51Z"}],"visa":[],"liveness":{"score":74,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.739,"p_room":1,"age_days":9,"expected_fill_days":32,"reasons":["seen:9","win:early"],"computed_at":"2026-11-08T05:47:12Z"},"pay":{"stated_usd_annual":112500,"is_top_pay":false},"html_url":"https://alion.io/job/speqtral-senior-quantum-optics-engineer","json_url":"https://alion.io/job/speqtral-senior-quantum-optics-engineer.json","meta":{"generated_at":"2026-11-09T00:16:43Z","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":656,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":51296},"rest":"https://alion.io/mcp/rest/get_company?id=51296"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fspeqtral-senior-quantum-optics-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fspeqtral-senior-quantum-optics-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fspeqtral-senior-quantum-optics-engineer"},{"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/speqtral-senior-quantum-optics-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fspeqtral-senior-quantum-optics-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3518207}},{"tool":"search_jobs","arguments":{"company":"speqtralquantum.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3518207},"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. 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