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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer - **Company:** Quantum Technology Laboratories Systems EngineerQuantum Technology Laboratories - **Location:** Wien, Austria (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Software Requirements Analysis, Systems Integration, Visual Systems, Test Scripts, Front End Software Development - **Published:** September 25, 2026 - **Apply:** https://devjobs.at/job/1e2993d07eb9bdd2fcba71371ce34f9b ## About the Role * Degree in optical engineering, physics, electrical engineering, photonics, aerospace engineering, or a related field., * Strong understanding of free-space optical communication, telescope systems, optics, and tracking/control concepts. * Familiarity with quantum receivers, including single-photon detectors, low-noise readout electronics, polarization optics, and active stabilization methods. * Ability to work autonomously, make informed technical decisions, and drive design iterations. * Solid analytical skills and attention to detail, especially in documentation, testing, and interface-driven development. * Excellent communication skills and motivation to work in interdisciplinary engineering teams., * Experience with optical laboratory setups, measurement equipment, and hands-on system integration. * Experience in any of the following is a strong plus: Satellite-to-ground optical communication or QKD Control systems for tracking, pointing, and synchronization Adaptive optics for turbulance mitigation Field deployment of optical systems Environmental testing or hardware verification. ## Description * Contribute to the design, development, and manufacturing of our Optical Ground Stations for satellite-to-ground QKD links. * Take ownership of subsystem design choices, including optical frontend, tracking systems, turbulance mitigation system, time-bin/phase and polarization analysis module, and single-photon detection modules. * Work closely with experts in optics, electronics, control systems, and quantum communications to deliver robust, high-performance OGS solutions. * Integrate and optimize components such as telescopes, tracking cameras, beacon lasers, quantum receivers, polarization optics, and timing/synchronization modules. * Plan and execute laboratory verification, field testing, and link characterization campaigns for OGS prototypes and deployed systems. * Contribute to and maintain system requirements, optical budgets, interface definitions, and architecture documentation. * Perform system-level modeling and analysis of link performance (attenuation, turbulence, pointing/tracking error budgets, synchronization). * Support on-site installation, maintenance, and troubleshooting of OGS systems at customer locations or demonstration sites. * Prepare technical documentation, test reports, interface specifications, and customer deliverables. * Collaborate across several mission and technology projects simultaneously, ensuring consistent architectural and performance standards. ## Related Videos - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Solving Architectural Entropy With Runnable Diagrams](https://www.wearedevelopers.com/videos/100144-solving-architectural-entropy-with-runnable-diagrams) - [Are Classical Automation Frameworks Dead? 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