Senior Packet Core Engineer

il y a 4 jours

Puteaux, France Transatel Temps plein

At Transatel, we imagine innovative cellular connectivity solutions and deploy them around the world for prestigious clients like Airbus, Stellantis, Worldline and Jaguar Land Rover. As a leading Mobile Virtual Network Operators enabler and global IoT connectivity pioneers, our SIM & eSIM connect millions of consumers and industrial devices and vehicles.

Our diverse organization gathers 250+ telecom and IT experts from 40 nationalities working together in our new Paris La Défense headquarter (France). We offer inspiring professional and personal growth opportunities for talents with all backgrounds and experience. If you are looking for an exciting career move and new challenges in a fast-growing business environment, welcome at Transatel Join our team now, and become part of the extended NTT group, one of the largest and most innovative technology company in the world. With its global footprint and 330,000 employees worldwide, NTT has been pushing innovation forward for more than 150 years.

**Your mission**

Within the Telecom department, you will be a referent and expert on Transatel’s mobile data core network.

In close collaboration with the architectural team and within a team of expert engineers, you will develop and document the engineering solutions for routing data on our network. This applies to both new services and the consolidation of existing infrastructures.

You will also work with project managers, operations teams and other engineers in the Telecom department.

In this context, you will:

- thoroughly understand mobile core data network architectures (MME / SGSN / SGW, GGSN / PGW, PCC, PCRF, OCS,) and IPv4 / IPv6 technologies and understand their implementation within our virtual operator core network,
- design technical solutions that meet the needs of the projects, while maintaining the operability of the platform
- document each topic and transfer knowledge to the operation and support teams
- (possibly) collaborate on the platform support

**Your profile**

With a degree in Software Engineering, Telecom or equivalent, you have at least 5 to 8 years of experience in telecommunications, including GGSN / PGW.

Technical skills required:

- Working knowledge of IPv4 routing and related protocols (BGP, OSPF, etc.)
- Understanding concepts and architectures: GPRS/3G/LTE
- Protocol knowledge: GTP, Radius, Diameter (Gy, Gx, Gi)
- Ability to meet short deadlines and varying priorities
- Ability to travel if required
- Working knowledge of the following core mobile network elements:

- PGW/GGSN
- Radius Server
- DRA/DEA
- Experience with IPv6, CGNAT and/or firewall technologies

Your natural curiosity and zest for innovation compels you to keep up to date with the telecoms industry.

Able to communicate with all levels of the company (both orally and in writing), you are organized, rigorous, and comfortable in a very dynamic environment.

English fluency is essential.

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