Evolved Packet Core - 5G Architect
1GLOBALLisbon, Portugal
Posted October 17, 2025
Full Time
About the Company
WE’RE ON A MISSION TO CONNECT THE WORLD SEAMLESSLY That’s why we aim to enable more connections than anyone else and why we’ve been pioneering the eSIM revolution from the very beginning. From international enterprises and consumers to IOT device makers and Telecommunications operators, our global network and connectivity solutions enable people, devices and networks to connect anywhere, instantly, with one platform to connect billions. Headquartered in the UK and with offices across four continents, we’ve invested over £550 million in building our unique proposition and becoming one of the world’s leading innovators in eSIM, cloud and digital solutions. As a result, we’ve become a leading technology company and eSIM trailblazer that’s trusted by thousands of international businesses across hundreds of countries, including global brands, powerhouse network providers and leading banks and financial institutions. One truly global network. One global supplier. One complete solution that revolutionises the world of connectivity and connects people, devices and networks seamlessly all around the world. Because we believe that the better the world communicates, the better the world.
Job Description
1GLOBAL is a technology-driven global mobile communications provider committed to empowering enterprises. They are a leading provider of mobile virtual network operator (MVNO) and telecommunications services, serving over 43 million devices globally. They have experienced growth since 2022 and are expanding in the 5G market. The Network Architect role focuses on defining and delivering new services and improvements to the existing network portfolio.
Requirements
- Proven experience on implementation of live solutions on mobile telecom (GSM, UMTS, LTE, IMS)
- Knowledge of 3GPP, GSMA, ITU standards and specifications
- Experience in designing, test and operating 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
- Experience in mobile services charging (offline, online)
- Experience in Policy control, including DPI and PCRF policy creation
- Experience with IoT, including LTE-M and NB-IoT
- Knowledge and experience with Diameter/SCTP networks and protocols
- Experience with ETSI NFV architecture
- Familiar with MVNO/MVNE/MVNA architecture(s) and landscape
- English proficiency mandatory
- Degree in Telecom Engineering or Computer Science or equivalent experience
Benefits
- Growth Opportunities
- Major Transaction Exposure
- Work with a Talented Team
- Dynamic Work Environment
- Professional Development
- International Experience
- Open Communication Culture
- Get Things Done Attitude