Packet Core Network Engineer
Truphone
Móstoles, ES
hace 5 días
source : Landing.jobs

At Truphone (Permanent), in Madrid, Spain

Expires at : 2021-11-29

We carry with pleasure the great responsibility to evolve Truphone's global mobile network. We work hard in making our engineering solutions better day by day and take pride for providing high quality services.

Our company trusts us in delivering innovative and complex projects as well as operating our scope. Our work is very diverse and we take the initiative to understand the context and requirements of why and what we're working on to be able to then design and deploy iteratively our solution.

We also frequently engage with other teams on cross-functional projects.

Key Responsibilities

  • Provide a high quality mobile data service by continuously evolving our engineering stack
  • Engineer new solutions and maintain existing ones
  • Perform end-to-end project planning and delivery
  • Creation and maintenance of technical documentation
  • Deploy solutions in lab and production environments
  • Create the appropriate visibility of the relevant service KPI's
  • Antecipate capacity and performance issues
  • Collaborate closely with other teams as well as with external partners
  • Contribute towards continuous improvement of the teams engineering standards and working methodologies
  • Have successful partnerships with other departments and teams
  • Main requirements

  • Extensive engineering experience with voice services from commercial and open-source solutions
  • Hands on operational and delivery experience with maintenance and implementation of solutions in live and lab environments
  • Expertise in the 2G, 3G and 4G related protocols such as DNS, GTP, DIAMETER, RADIUS, TCAP
  • Extensive knowledge with a variety of IP based technologies, topologies and protocols such as BGP, HTTP, IPv6, TCP, UDP, VPN and so on
  • Worked on several corporate customer integrations which required things such as private APN's, traffic tunneling and filtering
  • Implemented several GRX and IPX based interconnects
  • Expertise in several ISP related architectures, specially with Cellular and WiFi, but also with tunneling for applications such as VoWiFi and VoLTE
  • Previously integrated data solutions with offline and online charging systems
  • Good understanding on GSM, UMTS, LTE, LTE-M, NB-IoT and 5G related technologies, systems and protocols
  • Previous experience in automation, delivery, solution design and capacity management
  • Having a degree in Telecom Engineering or Computer Science or equivalent is a big plus
  • Contributions to open-source projects is a big plus
  • Experience with NFV architecture is a big plus
  • Familiarity with MVNO / MVNE / MVNA architecture(s) and landscape is a big plus
  • English proficiency mandatory, other languages are a plus
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