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The Communication Networks Division of CTTC invites applications for a researcher position in its Mobile Networks Department.

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The Communication Networks Division of CTTC invites applications for a researcher position in its Mobile Networks Department.


We are looking for a researcher interested in and capable of designing and developing network simulators for 5G networks. Therefore, the ideal candidate should demonstrate background in as many as possible areas out of the following list:

    Cellular mobile communication systems, LTE/NR,
    WiFi/WiGiG networks, and
    Experience in implementation of system level simulators.

In particular, the candidate will be required to build new 5G modules in the context of the ns-3 open source simulator. Therefore, previous experience and contribution, at developer level, to the ns-3 open source project is a plus. Accordingly, the researcher has to be able to demonstrate very specific developer abilities: excellent programming skills in C/C++ and Python; knowledge of ns-3 module development and ns-3 event scheduling; knowledge of development toolchain waf; knowledge of ns-3 test environment; knowledge of Linux distributions and command line interface, including shell/bash scripting and system variables; demonstrated previous experience with debugging tools like gdb, DDD, etc. and Valgrind; in-depth knowledge of version control system Mercurial (and GitHub); and knowledge of pcap trace analysis and related tools for network protocol analysis (e.g., Wireshark, Tcpdump, etc.). Knowledge of Integrated development environments (IDE), e.g., Eclipse, Kdevelop, or NetBeans  and having developed simulation execution automation tools is also a plus. Finally, background in the area of computer science and in the design of scalable and high fidelity system simulations, is also a plus.

Interested candidates must be strongly motivated, hold a MSc or a PhD, in the areas of telecommunications, electrical engineering, computer science, or related area. They should demonstrate strong oral and written English communication skills. Finally, capability to demonstrate a strong publication record and the capacity of carrying out innovative research, is a plus.


The contract duration for the potential position would be 24 months. The position is associated to a multi-year industrial contract, funded through a US federal agency. The contract is renewable subject to performance and budgetary constraints, till the end of the project. Depending on the applicable labor law, budget availability and the performance of the selected candidate, the contract may also be extended beyond the duration of this specific project.

The salary will be in the range of 28-37 k€ (gross per year). Professional category and salary will be determined according to qualifications and work experience.


Researchers interested in joining the Mobile Networks Department should send their curriculum vitae, including list of publications, and the names and addresses of at least two referees. These documents should be sent in PDF format through this online application, which will remain open during 1 month starting from 29th April 2020. CVs and any other information gathered during this process will be handled confidentially.

Procedencia RedIRIS
País España
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