Charging Network Engineer
Lisbon, Portugal
há 4 dias

Responsibilities :

  • Create and maintain charging products, offers and rate plans
  • Engineer new charging system 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
  • Quality control and assurance of offers and rate plans
  • Anticipate 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
  • Main requirements

  • Extensive engineering experience with Charging services and systems, 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 mobile services charging (offline, online), using one or more of these protocols : CAPv2, CAPv3, SIP, Diameter (Ro, Gy, Gx, Sy), RADIUS, LDAP, and / or Web Service protocols
  • Expertise in Online Charging Systems and it's integration with Provisioning and Billing systems
  • Expertise in service design related with voice, messaging and data services (including policy and charging control)
  • Expertise in IMS architecture, especially with VoWiFi and VoLTE use cases
  • Previously integrated mobile services and solutions with offline and online charging systems
  • Experience in dedicated service solutions, data only, applicable to enterprise / corporate environments (M2M / IoT solutions and services)
  • Experience successfully designing and implementing Rating / Metering / Mediation solutions
  • Experience in troubleshooting issues related with signaling, provisioning or configuration
  • Good understanding on GSM, UMTS, LTE 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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