About the role

  • Quantum Key Distribution Payload Engineer at Quantum Technology Laboratories developing QKD payloads for space applications and collaborating with interdisciplinary teams in Vienna.

Responsibilities

  • Contribute to the development and continuous improvement of our QKD payload, from concept through flight qualification.
  • Drive technical decisions within your domain and take ownership of subsystem design choices.
  • Collaborate closely with electronics engineers (opto-electronics, digital/analog, FPGA interfaces) and thermo-mechanical engineers (thermal control, structural design).
  • Plan and execute laboratory verification, characterization, and system-level testing of optical, electronic, and QKD-specific components.
  • Prepare technical documentation, test reports, interface specifications, and customer deliverables.
  • Support external environmental and space-qualification campaigns (vibration, TVAC, radiation, EMC).

Requirements

  • Degree in physics, electrical engineering, photonics, aerospace engineering, or a related field; background in Quantum Key Distribution (QKD) or quantum optics strongly preferred.
  • Solid understanding of QKD protocols, photon sources and detectors, optical components, timing/synchronization, and system architectures.
  • Experience with laboratory work (optical setups, measurement equipment, data acquisition).
  • Ability to work autonomously, make informed technical decisions, and drive design iterations.
  • Strong analytical mindset with attention to detail and disciplined documentation practices.
  • Experience in space systems, environmental testing, or hardware verification is a plus but not required.

Benefits

  • Flexible work arrangements with a hybrid model combining remote and on-site collaboration
  • Attractive workplace with excellent infrastructure at Wienerberg
  • Great Italian espresso
  • Humorous and friendly work atmosphere

Job title

Quantum Key Distribution (QKD) Payload Engineer

Job type

Experience level

Mid levelSenior

Salary

€3,500 per month

Degree requirement

Bachelor's Degree

Location requirements

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