Core Network Specialist

il y a 3 semaines


Puteaux, Île-de-France Transatel Temps plein

As a key member of Transatel's Telecoms department, you will be responsible for developing and documenting engineering solutions for the routing of data on our mobile network.

Working closely with architects and expert engineers, you will be responsible for designing and implementing technical solutions to meet project requirements while maintaining the platform's operability.

You will need to have a deep understanding of mobile network architectures, including GGSN/PGW, SGW, Radius server, DRA/DEA, SGSN/MME, and IPv6 technologies.

With a strong background in telecommunications, particularly in GGSN/PGW, you will be able to communicate effectively with various stakeholders, both orally and in writing.

You will be part of a fast-paced environment and will need to be organized and rigorous, with a taste for innovation and a passion for telecoms services engineering.

Fluency in English is essential for this position.

You will work closely with project managers, operations teams, and other engineers in the Telecoms department to deliver high-quality solutions.

As a key member of the team, you will be responsible for documenting each subject and ensuring the transfer of knowledge to the operations and support teams.

You may be required to help with support on the platform.

With a degree in Software or Telecoms Engineering or equivalent, you have at least 5 to 8 years' experience in telecommunications, particularly in GGSN/PGW.

You will be familiar with the following technologies:

  • Practical knowledge of IP routing and associated protocols (BGP, OSPF and others)
  • Mastery of GPRS/3G/LTE architectures and concepts
  • Knowledge of protocols: GTP, Radius, Diameter and interfaces Gx, Gy, Gi, AAA, etc.
  • Ability to respond to short deadlines and varying priorities
  • Ability to travel to site if required
  • Working knowledge of the following mobile core network elements:
    • PGW/GGSN
    • SGW
    • Radius server
    • DRA/DEA
    • SGSN/MME
  • Experience in IPv6, CGNAT and/or firewall technologies
  • Experience with cloud deployments (Kubernetes, OCP, etc.)

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