Doctoral Researcher in Quantum Communications and Networking

About the SnT

The University of Luxembourg is an international research university with a distinctly multilingual and interdisciplinary character.

The Interdisciplinary Centre for Security, Reliability and Trust (SnT) at the University of Luxembourg is a leading international research and innovation centre in secure, reliable and trustworthy ICT systems and services.
We play an instrumental role in Europe by fueling innovation through research partnerships with industry, boosting R&D investments leading to economic growth, and attracting highly qualified talent. We look for researchers from diverse academic backgrounds to contribute to our projects in areas such as: Network Security, Information Assurance, Model-driven Security, Cloud Computing, Cryptography, Satellite Systems, Vehicular Networks, and ICT Services & Applications.

Your role

The successful candidate is expected to assume a role in experimental quantum communications and networking, in accordance with ongoing European initiatives and projects.The candidate will play a key role in the design, implementation, and characterization of quantum communication systems, with particular emphasis on optical communications, free-space optical FSO links, the realization of quantum key distribution QKD protocols, and their integration into broader optical and networked infrastructures. Day-to-day activities will span optical bench work, the development and control of experimental setups, data acquisition and analysis, and the dissemination of results through peer-reviewed publications. The candidate will pursue a doctoral degree under the supervision of senior researchers within the group.For further information, please contact Dr. Seid Koudia, or Dr. Jorge Querol,

Your profile

• Hold - or be close to complet - a master's degree in Electrical Engineering, Physics, Photonics, Telecommunications, Quantum Technologies, or a closely related discipline, with a focus on experimental optics and quantum communications
• Solid background in experimental quantum optics and/or photonics, with hands-on laboratory experience, free-space and/or fiber optics
• Working knowledge of free-space optical FSO communication concepts and challenges, including beam propagation, pointing, acquisition and tracking, and atmospheric effects
• Programming and instrument-control skills, e.g. Python, MATLAB, LabVIEW, for data acquisition and analysis
• A genuine interest in pursuing doctoral-level research, strong analytical skills, and the ability to work both independently and within a multidisciplinary team

Operational language requirements: Excellent command of English (C1) is required.

Academic Eligibility (Thesis): Applicants must demonstrate at least B2-level proficiency in the language of their thesis. For details and accepted certificates, please visit the Application for admission - Doctoral Candidates.

We offer

• A modern, dynamic university with a personal and inclusive atmosphere. Multilingual and international character. Staff coming from more than 90 countries. Member of The Guild of European Research Intensive Universities
• An exceptional research environment, supported by skilled staff and high-quality equipment. Strong links to professional sectors and the Luxembourg labour market. A unique urban campus with excellent infrastructure
• A partner for society and industry. Cooperation with European institutions, innovative companies, the Financial Centre and a wide range of non-academic partners including ministries, local governments, associations, and NGOs

How to apply

Applications should include:

• Curriculum Vitae
• Cover letter
• Transcript of all modules and results from university-level courses taken

Early application is highly encouraged, as the applications will be processed upon reception. Please apply ONLINE formally through the HR system. Applications by Email will not be considered.

The University of Luxembourg is committed to achieving gender parity among its staff. Should candidates present equivalent profiles, preference will be given to female candidates in all departments where gender parity is not yet achieved.

The University of Luxembourg embraces inclusion and diversity as key values. We are fully committed to removing any discriminatory barrier related to gender, and not only, in recruitment and career progression of our staff.

General information:

• Contract Type: Fixed Term Contract 36 Month
• Work Hours: Full Time 40.0 Hours per Week
• Location: Kirchberg Campus
• Internal Title: Doctoral Researcher
• Job Reference: UOL08345

The yearly gross salary for every Doctoral researcher at the UL is EUR 43445 (full time).