Core Network Engineer
$150,000–$200,000 year
HybridLeudelange, Esch-sur-Alzette, Luxembourg
Job Summary
Design, analyze, and implement 3GPP-based 4G/5G core network functions for Non-Terrestrial Networks, including MME, SPGW, HSS, and NFV applications. Prototype control algorithms and validate architectures to meet latency and high availability requirements, progressing from research through operational deployment. Mentor junior engineers on systems engineering, design reviews, and cross-functional tasks involving software, firmware, and hardware development. Collaborate with MNO/MVNO partners and standardisation bodies like 3GPP to integrate roaming networks and support EU space mission projects. Author technical proposals, manage supplier evaluations, and maintain comprehensive documentation for project reviews and mission specifications.
Required Qualifications
- Master's degree (or higher) in Telecommunications Engineering, Electrical Engineering, Computer Engineering, or a related field
- Significant professional experience (typically 4+ years) in telecommunications engineering, core network (EPC/5GC), DSP, and protocol stack development
- Hands-on experience with 3GPP-based 4G/5G systems
- Experience engaging with standardisation bodies (3GPP, GSMA, ITU) and managing relationships with external suppliers, MNO/MVNO partners, or research institutes
- Track record of taking systems from research/prototype through to operational deployment, including verification and validation in lab and field environments
- Strong knowledge of Core Network architecture and functions (MME, SPGW, HSS, OAM, IREG, IPX, BCE) and of NFV/microservices-based network applications
- Proficiency with relevant development and simulation tools (e.g. C/C++, MATLAB, VHDL) and with CI/CD and version-control tools (e.g. Git)
- Fluent in English (written and spoken)
Desired Qualifications
- A PhD
- experience with Non-Terrestrial Networks (NTN) or satellite communications
- additional languages
- criminal record certificate issued within the last three (3) months
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