Voice & Services Network Engineer
Lisboa, PT
há 1 dia
source : Ofertas de Emprego

Main Purpose of the role

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. Position responsibilities

Provide a high-quality voice 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

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

Have successful partnerships with other departments and teams

Requirements :

Position Competencies

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 voice related protocols such as SIP, RTP, CAMEL, MAP, DIAMETER, ISUP, SIGTRAN

Expertise in service design related with voice and messaging (SMS, RCS, MMS) bearers, via SMSC, MMSC, SCP and AS or other type of service controllers

Expertise in IMS architecture, specially with VoWiFi and VoLTE use cases

Previously integrated voice solutions with offline and online charging systems

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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