{"source":"Breaknorm","page":"https://breaknorm.co/company/qtlabs.at","license":"https://breaknorm.co/terms","domain":"qtlabs.at","name":"qtlabs","legal_name":"qtlabs","country":"AT","country_second":"US","city":"Vienna","admin1":"","vertical":"manufacturing_industry","subvertical":"aerospace_and_defence_manufacturing","leaf":"space_systems_manufacturers","summary":"qtlabs is an Austrian SME that builds quantum communication systems, including quantum key distribution (QKD) hardware, for space and ground-to-space links. Its offerings include quantum sources, quantum receivers, optical ground stations, horizontal free-space links, adaptive optics, laser optical communications, consulting services, and software solutions. The company serves critical infrastructure operators and works on space programs such as QKDSat and SAGA.","offerings":["quantum sources (EPS/FPS)","quantum receivers","horizontal free-space links","optical ground stations","adaptive optics","laser optical communications","consulting services","software solutions"],"target_customers":["critical infrastructure operators","space program 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Optical simulation: Develop and maintain Zemax models, estimate optical performance, and perform sensitivity and tolerance analyses to guide component selection, alignment and assembly requirements.","title":"Optical Development Engineer – Micro- & Fiber Optics for Space (m/f/d)"},{"slug":"c-plus-plus","status":"active","confidence":"high","jobs":1,"first_seen":"2026-10-01","function":"software_engineering","quote":"• Development of application and control software in C/C++ and Python for telescope operation, optical instrumentation, tracking systems, and measurement equipment.","title":"Senior C/C++ Software Engineer (all genders)"},{"slug":"python","status":"active","confidence":"medium","jobs":2,"first_seen":"2026-10-01","function":"software_engineering","quote":"• Development of application and control software in C/C++ and Python for telescope operation, optical instrumentation, tracking systems, and measurement equipment.","title":"Senior C/C++ Software Engineer (all 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operations, networks, Microsoft 365, identity and endpoint management; comfortable in Apple and Linux environments.","title":"Head of IT (all genders)"},{"slug":"cmake","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-10-01","function":"software_engineering","quote":"• Experience with CMake-based build environments and dependency management","title":"Senior C/C++ Software Engineer (all genders)"},{"slug":"html","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-10-01","function":"software_engineering","quote":"• Knowledge of HTML and CSS for user interface development","title":"Senior C/C++ Software Engineer (all genders)"},{"slug":"java","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-10-01","function":"software_engineering","quote":"• Java and JavaScript development","title":"Senior C/C++ Software Engineer (all 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(Autodesk electrical or similar) and Siemes TIA-Portal would be particularly useful.","title":"Electrical & Automation Technician (m/f/d)"}],"intents":[],"recent_postings":[{"id":760980,"title":"Optical Development Engineer – Micro- & Fiber Optics for Space (m/f/d)","city":"Wien","function":"engineering_non_software","family":"engineering_non_software/electronics_and_hardware_engineering","seniority":null,"posted":"2026-10-16","url":"https://quantumtechnologylaboratories.softgarden.io/job/68137566?l=de","tech":["zemax"]},{"id":760981,"title":"Mechanical Design Engineer (m/f/d)","city":"Wien","function":"engineering_non_software","family":"engineering_non_software/mechanical_engineering","seniority":null,"posted":"2026-10-16","url":"https://quantumtechnologylaboratories.softgarden.io/job/68138436?l=de","tech":[]},{"id":760982,"title":"Technical Sales Manager (all 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