Cyber Security Architect – Space

Join Our Mission to Advance Quantum Communication in Space
At Quantum Technology Laboratories GmbH (qtlabs), we are at the forefront of innovation in optical and quantum-based communication technologies. Our team develops cutting-edge quantum key distribution (QKD) systems and optoelectronic solutions for space and terrestrial applications. Based in Vienna, our center of excellence drives technological advancements that secures communication around the world.

Quantum Technology Laboratories GmbH is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees

The Role
As a Cyber Security Architect – Space & Ground, you play a key role in shaping the security architecture of next-generation satellite missions. You define, evaluate, and ensure compliance with high-assurance cybersecurity requirements across both space and ground systems.

This role requires deep expertise in security engineering, applied cryptography, and satellite communication or navigation systems. You work closely with internal teams, external partners, subcontractors, and international authorities.

Key Responsibilities

• Define guidelines and processes for managing the development lifecycle of security-relevant requirements.
• Plan, lead, and execute security evaluations and certifications of products according to Common Criteria (CC).
• Engineer and design safety- and security-critical requirements for both ground and space segments of satellite missions.
• Create and maintain technical documentation, including device specifications, Interface Requirement Documents (IRDs), and Interface Control Documents (ICDs).
• Manage and control subcontractors, including quotation assessment, milestone reviews, delivery evaluations, and preparation of change requests.
• Drive communication with internal and external project partners; discuss safety and security aspects with authorities, certification bodies, and institutions.

Your Profile
Required Qualifications:

• Completed university degree or PhD in Electrical Engineering, Communications Engineering, Mathematics, Physics, Computer Science, or a related field.
• Strong background in information systems and systems engineering.
• Proven experience in Requirements Engineering and the V-Model development process.
• Expertise in satellite communications, satellite navigation programmes, or comparable aerospace systems.
• Professional experience in applied cryptography, such as cryptographic device development, key device operation, or secure system design.
• Familiarity with cryptographic algorithms and protocols (e.g., AES, Poly1305, authentication methods).
• Knowledge of IT security for cryptographic devices, including red-black separation, tamper protection concepts, and secure operational environments.
• Experience supporting evaluations based on Common Criteria, ISO/IEC 27000 series, and/or NATO security regulations.

Nice to have:

• Experience with security risk analysis, such as the EBIOS methodology.
• Understanding of satellite system architecture, ground-to-space communication, and on-board data handling.
• Familiarity with UML, SysML, and programming languages such as C++ or Python.
• Knowledge of ground segment engineering and spacecraft operational concepts.

What we offer

• A collaborative and innovative environment in Vienna, a global hub for quantum research and space technology.
• The chance to contribute to and to shape a rapidly growing company
• The opportunity to jointly develop projects and products at the thrilling junction between quantum and space technology
• Flexible work arrangements in a hybrid model combining remote and onsite collaboration
• The opportunity to make a lasting impact on the future of quantum technologies
• Balanced work-life integration for our employees
• Attractive workplace with excellent infrastructure at Wienerberg
• Great Italian espresso
• Humorous and friendly work atmosphere

The minimum gross salary for this position is € 4,359,.91 per month (based on full-time employment) in accordance with the collective agreement. However, there is a willingness to offer a higher salary depending on experience and qualifications.

Quantum Technology Laboratories GmbH is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees

We look forward to receiving your application