Lionel Guepratte
Senior Mobile Core Network Consultant
Salaire / Taux journalier
Saint-Paul 97460, La Réunion
Freelance, ouvert au CDI
Expertises
Langues
À propos
Introduction
Telecom core network consultant with 25+ years expertise in mobile networks from 2G to 5G. Led major projects at Orange including 5G deployment, VoLTE/VoWiFi implementation, and managed multi-vendor integrations across EMEA. Specialized in MCx, IoT, MVNO solutions with proven project management skills and worldwide availability.
Expérience de travail
Looking for a new opportunity, immediately available
Heliomania
juin 2025 - Présent
1 an 5 mois
Looking for a telecom job, expertise and project management, MCx, IOT, MVNO, or mobile core network Worldwide availability, with partial remote work from GMT+4 Réunion Island
Mobile core network consultant
Orange
juin 2021 - juil. 2025
4 ans 2 mois
Arcueil, France
Expertise and project management on DNS, PMR, LI / BBIFF
Contractual teacher of network and telecom at Université de La Réunion
IUT de La Réunion
nov. 2020 - juil. 2022
1 an 9 mois
Saint-Pierre 97410, La Réunion
Project Manager
Orange
juin 2017 - oct. 2020
3 ans 5 mois
La Réunion, Seychelles
Manage Mobile data Core Network evolution, including 5G, VoLTE, VoWIFI
Project Manager VoWifi
Bouygues Telecom
oct. 2016 - mai 2017
8 mois
Meudon, France
Managed VoWifi project (Contractor)
Project Manager for Mobile Paquet Core network
Orange
mars 2012 - oct. 2016
4 ans 8 mois
Arcueil, France
As a contractor, Managed SGSN MME Cisco and Ericsson network introductions, upgrades and functional improvements (eg Pooling, Ran Sharing, signaling optimisation) Managed Radio / Core relationships, Managed legal obligation projects.
Senior Member of Technical Staff
Spirent Communications
févr. 2010 - mars 2012
2 ans 2 mois
Paris Area, France
• Supported Landslide, a mobile core network test tool for GPRS, UMTS and EPC core network for EMEA telecom manufacturers and operators • For various customers in France, Dallas, Seattle, Helsinki, Anvers, Munich
Ericsson France
août 1998 - mars 2010
11 ans 8 mois
Massy, France (and Gothenburg, Aachen, Bilbao, Tunis)
GPRS/UMTS Paquet Core Network engineer
avr. 2000 - mars 2010
10 ans
Massy, France (and Gothenburg, Aachen, Bilbao, Tunis)
• In charge of validating and integrating of GPRS & UMTS mobile core network equipments (SGSN, GGSN...) • Led various technical missions across the world for Ericsson customers (Setup of Tunisia Telecom UMTS network, operating Euskaltel GPRS network, Orange Réunion radio cut-over) • Managed and implemented technical projects for Ericsson (Support level 3 for Ericsson SGSN in Gothenburg (Sweden), tests and validation in Aachen Germany). • Coordinated Ericsson & Bouygues Telecom teams for SGSN and GGSN moving in Bouygues network • Responsible for test and integration for the core PS Zone Experimentale 3G Bouygues Telecom • Managed Inter Operability Tests and MultiVendor Integration test on Iu with Alcatel. • Provided support to Orange and Bouygues Telecom GPRS and UMTS networks • Defined a methodology to operate Orange UMTS core Network. • Coordinated Front Office and Back Office teams in Orange GPRS operation center.
Mobile Circuit Core Network Field Support Engineer
août 1998 - mars 2000
1 an 8 mois
91300 Massy, France
• Implemented software and hardware upgrade of AXE 10, interconnection of a GSM nodes (MSC and HLR) • Piloted Tigris IAS router experimentation
Formation
Temple University, Fox School of Business and Management
2010 - 2012
3 ans
École des Ponts Business School
Master of Business Administration
2010 - 2012
3 ans
Télécom SudParis
1995 - 1997
3 ans
Université de Metz
MST Telecom
1993 - 1995
3 ans
Université de Metz
DUT Mesures Physiques
1991 - 1993
3 ans