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Junior Voice and Mobile Core Engineer | Gosselies

Accent | Multiple regions | Full-time

2 days left to apply

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Junior Voice and Mobile Core Engineer | Gosselies

Job description

Responsibility :
  • Within the team the Junior Voice and Mobile Core Engineer is responsible for the mobile and fix telephony network engineering.
  • She will also ensure the coordination of the activities with suppliers internal and external business partners in order to deliver a complete end to end service.
  • The Junior Voice and Mobile Core Engineer will be involved in the definition of the mobile and fixed telephony network evolution and take active part of its implementation (analysis design delivery testing).
  • In addition (s)he will participate in the network operations (member of the 24/7 on call duty role)
Functional description (tasks) :
  • The Junior Voice and Mobile Core Engineer will design implement manage and support the new converged mobile and fixed network in the following domains:
  • VoIP (IMS): DRA/DEA P/I/S/E-CSCF Media Gateways application servers
  • Evolved Packet Core: P-GW/GGNS e-PDG
  • Value Added Services and intelligent networks: IN (SCP) OCS voice messaging SMS PCRF
  • IP domain: MPLS TCP/ IP switching routing DNS DHCP NAT Tunneling Load Balancing firewalling
  • Virtualized telco infrastructure: NFV VNF NaaS Mano OpenStack
  • Core Network databases: HLR HSS AuC
  • TDM: STP media gateways softswitches
  • Roaming SIM mobile devices.
The Junior Voice and Mobile Core Engineer will be responsible for the following tasks:
  • Network evolution definition and implementation: participation in the architectural evolution in the analysis design implementation and testing.
  • 3rd parties and internal tasks definition and coordination to deliver the required end to end functionality and services
  • Identify improvement areas propose enhancements to improve service quality and reliability
  • Participate in the development and improvement of the Quality Assurance Plan
  • Participate in the day to day operations and administration of the core network and their interconnections.
  • Member of the support team for voice and mobile services (24/7 on-call team)


Profile and domains of expertise :

  • Master Degree (IT Telco) or equivalent by experience.
  • Preferably a first experience in one or more relevant domains of the telecommunications industry
  • Good knowledge of Voice and Mobile architectures in one or more of the following domains mentioned in the functional description.
  • Good notions of network security
  • Good knowledge of mobile and fixed network architectures: Wireless GSM WCDMA LTE VoLTE Wi-Fi Roaming


  • Team oriented but ability to work autonomously
  • Quality-focused strong sense of integrity responsibility and initiative
  • Structured methodical and meticulous
  • Project oriented results-focused
  • Eager to learn about new technologies with a passion for telecommunications
  • Self-learning skills
  • Self-organized: able to prioritize and execute multiple tasks efficiently
  • Strong written and oral communications skills: ability to work collaboratively with internal and external clients and suppliers
  • Good knowledge of French and English (technical oral and written) is mandatory


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Eastern Flanders,Namur,Liège,Walloon Brabant,Limburg,Brussels,Western Flanders,Hainaut,Luxembourg,Antwerp,Flemish Brabant

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2 days left to apply



  • Professional bachelor (Higher Education Short Type)
  • English


  • Full-time

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