Network Voice and Services Engineer

2 meses atrás


Lisboa, Lisboa, Portugal Truphone Tempo inteiro
About the Role

We are seeking a highly skilled Network Voice and Services Engineer to join our team. As a key member of our Voice and Services functional area, you will be responsible for proposing, analyzing, and defining requirements for new and existing services and systems related to voice systems.

Key Responsibilities
  • Collaborate with other Networks teams to define and manage projects for delivering new solutions.
  • Project delivery, network design, integration, and migration strategy definition, collaboration with other relevant departments, and end-to-end delivery.
  • Design new consumer and corporate telecom solutions.
  • Create technical documentation (HLD's, LLD's, WO's, etc.) and maintain it over the lifecycle of the solutions.
  • Perform implementations in live environments, 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 and resource configuration definition and implementation on requested systems.
  • Work on complex solutions that influence the design of current products and address design issues for future products or technologies.
  • Closely collaborate with external partners like carriers and service providers.
  • Elaborate and manage the process for change requests to current partners to meet network necessities.
  • Control the network elements roadmap, being responsible for necessary software/hardware upgrades during the components lifecycle.
  • Generate and implement process improvements, including cross-team processes.
  • Establish successful partnerships with other departments and teams.
Requirements
  • Degree in Telecom Engineering or Computer Science or equivalent experience.
  • Proven experience in implementing live solutions on mobile telecom (GSM, UMTS, LTE, IMS) networks, design, capacity management, engineering, and architecture.
  • Knowledge of 3GPP, GSMA, ITU standards and specifications.
  • Experience in designing, testing, and operating NGN-based networks, including MSS/MGW, HLR/HSS, SBC.
  • Experience in defining, establishing, and maintaining voice interconnects, TDM, and SIP/RTP-based services.
  • Understanding of IMS architecture, knowledge of VoIP, VoLTE, VoWiFi, and QoS.
  • Experience with SMS service configuration and routing.
  • 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 SS7, SIGTRAN, MAP, and CAMEL.
  • Experience with protocol analyzer tools like Wireshark, Astelia, and ability to use them to troubleshoot network errors/problems for mentioned protocols.
  • Experience with ETSI NFV architecture and solutions.
  • Familiarity with MVNO/MVNE/MVNA architecture(s) and landscape.
Why 1GLOBAL?

Embarking on a journey with 1GLOBAL is an opportunity to be part of a team that's shaping the future of telecommunications and technology. Your contributions will be valued, your ideas will be heard, and your career will soar to new heights:

  • Pioneering innovation: At 1GLOBAL, we're not just keeping up with industry trends, we're setting them. You'll be at the forefront of cutting-edge technology and telecommunications solutions.
  • Global impact: With offices in 12 countries and services reaching worldwide, your work has the potential to make a truly global impact.
  • Diverse and inclusive culture: We're not just a team; we're a tapestry of diverse perspectives and backgrounds, woven together for a common purpose. Your unique viewpoint is not only respected but cherished.
  • Professional growth: We're committed to helping our team members grow and develop. You'll have access to ongoing mentorship and opportunities for advancement.
  • Exciting challenges: Our industry is dynamic and ever-evolving. You'll face new and exciting challenges that will keep you engaged and motivated.
  • A growing brand: With our rapid growth, you'll be part of a company that's not just succeeding, but thriving.

1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.



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