Network Packet Core Services Engineer

1GLOBAL is a global speciality telecommunications company connecting people and devices instantly, anywhere, with our unique connectivity solutions. Managing mobile devices and connectivity globally for the world’s largest investment banks, enterprises, big tech companies & IoT businesses.

1GLOBAL isn't just another mobile company - it's a powerhouse in the world of wireless communications. With a network spanning 15 offices across 12 countries, we're the go-to choice for the world's largest investment banks, enterprises, big tech and B2B2C customers. From cutting-edge eSIM solutions to seamless data roaming, and innovative voice and SMS recording services, we're at the forefront of it all.

We are a world-leading innovator by partnering with the world’s largest device manufacturers and digital platform owners we defining the future of connectivity, our growth is nothing short of meteoric.

We're now gearing up to take our brand to even greater heights!

The Role

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

Position Overview

• 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 in mobile services charging (offline, online). Knowledge and experience of OCS and Gy and Bp interfaces
• 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?

Embarking on a journey with 1Global is an opportunity to be a 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.