Network Packet Core Services Engineer

3 meses atrás

Lisbon, Portugal 1GLOBAL Tempo inteiro

Welcome to 1GLOBAL, a dynamic and innovative force in the intersection of telecommunications and technology. Founded by two visionary technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL is a privately owned company with a clear mission to connect the world, seamlessly. With over 100 million dollars in revenue and being both profitable and cash generative, 1GLOBAL has the ability to fund its massive growth without relying on external funding.

 

As a global specialty telecommunications provider, 1GLOBAL serves financial institutions, enterprises, mobile network operators, and consumers across 42 countries, offering fully regulated voice, data, and SMS services. As pioneers in the eSIM revolution, we’ve built a complete ecosystem that drives our growth with partners such as Apple, Palo Alto Networks and Google, while attracting customers like Goldman Sachs, JP Morgan, Revolut, Netflix and Tesla.

 

Join us at 1GLOBAL and be part of that journey of massive growth, while forming the future of the global communication industry

Position Overview

As a Network Engineering member, in the Mobile Packet Core Services functional area, you will be responsible to propose, analyze and define the requirements for new and existing services and systems, related with the Packet systems under the responsibility of the functional area. Prepare, design, test and provide new solutions or product changes of the already existing portfolio. Define and support the technology evolution roadmap for the systems under the functional area and domain. Participate and support the other functional areas in cross functional projects.

Requirements

  • 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 influence 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 components lifecycle
  • Generate and implement process improvements, including and especially cross-team processes
  • Have successful partnerships with other departments and teams

Qualifications

  • Degree in Telecom Engineering or Computer Science or equivalent experience
  • Proven experience on implementation of live solutions on mobile telecom (GSM, UMTS, LTE, 5G, IMS), networks design, capacity management, engineering and architecture
  • Knowledge of 3GPP, GSMA, ITU standards and specifications
  • Experience in the design, test and operation of Packet Core systems, including P-GW, RADIUS, DNS, PCRF, ePDG, DRA
  • Experience in defining, establishing and maintaining roaming interconnects for GRX/IPX
  • 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
  • Experience in designing, implementing, testing and troubleshooting the following interfaces: Gx, RADIUS, SGi/Gi, Gy, Bp, S6b, S2b, SWm, Sxb
  • Experience with IoT, including LTE-M and NB-IoT
  • Knowledge and experience with Diameter/SCTP networks and protocols
  • Knowledge and experience with protocols such as RADIUS, GTP-C, GTP-U, Diameter, MAP, S6a
  • 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

Benefits

Why 1GLOBAL?

  • Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 40% year-on-year under the leadership of successful tech entrepreneurs.
  • Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
  • Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals.
  • Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
  • Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
  • International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
  • Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
  • Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.

 

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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