CS Network Engineer


Salary: Competitive

Location: Porto Salvo, Portugal

Posted: 02 Oct 2019

Main Purpose of the role

As a Network Engineering member, in the Voice and Systems functional area, you will be responsible to propose, analyse and define the requirements for new and existing services related with the voice systems under the responsibility of the functional area. Prepare, design, test and provide new solutions or product changes of the already existing portfolio. Support the other functional areas in cross functional projects.

The CS Network Engineer responsibilities includes managing the CS Core, and other related platforms, lifecycle and roadmap. Based on technical and product specifications the CS Network Engineer must, design the most adequate solution creating for the purpose proper documentation High Level Designs, Low Level Designs and Work Order's, the CS Network Engineer will be also responsible for testing the solution and the final implementation on live environment. The CS Network Engineer is responsible for the dimensioning, capacity management and actively control the performance and quality KPI's to ensure that the network is able to operate adequately.

Role Responsibilities

  • Collaboration with other Networks teams in defining and managing the projects for delivery of new solutions
  • Project delivery. Network design. Integration and migration strategy definition. Collaboration with other relevant departments. Responsible for end-to-end delivery
  • Design of new consumer and corporate telecom solutions
    • Creation of technical documentation (HLD's, LLD's, WO's, etc.) and maintain it over the lifecycle of the solutions
    • Perform implementations in live environment. Understanding of End to End system testing requirements
    • Follow-up and define Quality and Performance indicators
    • Capacity and Performance Analysis, Reporting and Improvement Solution Definition
    • Service & Resource configuration definition and implementation on requested systems
    • Work on complex solutions that have an effect on the design of current products and addresses design issues for future products or technologies
    • Close relationship with external partners like carriers, service providers
    • Elaborate, and manage the process, for change requests to current partners in order to meet the network necessities
    • Control the network elements roadmap, being responsible for the necessary software/hardware upgrade during the elements lifecycle

Skills and Experience

  • Experience on mobile telecom (GSM, UMTS, LTE, IMS), networks design, capacity management, engineering and architecture
  • Knowledge of 3GPP, GSMA, ITU standards and specifications
  • Experience in the design, test and operation of NGN based networks, including MSS/MGW, HLR/HSS, SBC
  • Experience in defining, establishing and maintaining voice interconnects, TDM and SIP based
  • Understanding about IMS architecture. Knowledge about VoIP, VoLTE, VoWifi, and QoS
  • IMS Architecture with understanding of IMS nodes including P/S/I-CSCF, Application Servers
  • IMS Protocol Interfaces - Gm Interface, ISC interface, Sh Interface, Cx, SOAP/XML, etc
  • Experience in mobile services charging (offline, online). Knowledge and experience of OCS and, Ro, Ro+, Ga and Bp interfaces
  • Knowledge and experience with Diameter/SCTP networks and protocol
  • Knowledge and experience with Signaling Gateways and protocols including SIP, MEGACO, MGCP, RTP and TDM protocols like SS7, ISDN, SIGTRAN and MAP and CAMEL
  • Experience with protocol analyzer tools like Wireshark, Astelia, and ability to use them to troubleshoot networks errors/problems for the mentioned protocols
  • Experience with ETSI NFV architecture and solutions
  • Familiar with MVNO/MVNE/MVNA architecture(s) and landscape
  • Worked in multi-cultural and multi-language environment
  • +4 years working on telecoms, in a design role
  • +2 years on implementation of live solutions

Education or Qualification

The candidate should have a degree in Telecom Engineering or Computer Science or equivalent experience.

English proficiency mandatory, other languages are a plus.

Apply now

No agencies. We do not accept CVs from 3rd parties

Apply now

No agencies. We do not accept CVs from 3rd parties