QKD Satellite Network Architect

qtlabs - Quantum Technology Laboratories GmbH; Wien; Hybrid; EUR 36,000 - 43,000; Full time

Benefits offered by this job

Flexible hybrid work

Vienna office

International collaboration

Job summary

Quantum Technology Laboratories GmbH in Vienna seeks a QKD System Architect to support studies for satellite-based, terrestrial, and hybrid QKD networks. You will assess network architectures, perform trade‑offs, and derive system and security requirements.

You will be the QKD expert in multidisciplinary teams, presenting results and engaging with customers, partners, and space agencies. Willingness to travel and attend on-site reviews is expected.

Qualifications

• Degree in a technical field (physics, quantum tech, electrical engineering, CS or mathematics).
• Solid understanding of QKD principles, protocols and network concepts.
• Ability to link security concepts with practical engineering constraints.
• Experience in system studies, modelling or simulation, and requirements engineering.

Responsibilities

• Perform system and network studies for QKD networks (satellite, terrestrial, hybrid).
• Evaluate architectures, protocols, trust models, and security implications.
• Use modelling tools to assess performance, coverage, and constraints.
• Derive system, network, and interface requirements; contribute to architectures.
• Prepare documentation and present results in reviews and meetings.
• Collaborate with international teams and engage with space agencies and partners.

Skills

QKD principles

Modelling & simulation

System studies

Technical trade-offs

Communication skills

Ownership & reliability

Travel willingness

Education

University degree in physics / quantum technologies / EE / CS / mathematics

Tools

Modelling tools

Simulation tools

Job description

Quantum Technology Laboratories GmbH in Vienna seeks a QKD System Architect to support studies for satellite-based, terrestrial, and hybrid QKD networks. You will assess network architectures, perform trade‑offs, and derive system and security requirements.

You will be the QKD expert in multidisciplinary teams, presenting results and engaging with customers, partners, and space agencies. Willingness to travel and attend on-site reviews is expected.