- Location
- Lisbon, Lisbon, Portugal · published
- Type
- Full-time
- Department
- Operations
- Source
- Workable
Description
About Us
1GLOBAL is a technology-driven global mobile communications provider helping enterprises and consumer brands deliver seamless connectivity worldwide. Powered by a best-in-class telecom platform, proprietary eSIM technology, and its own mobile core network across 15 countries, 1GLOBAL operates as a fully regulated telecommunications provider in 43 countries.
Founded in 2022, 1GLOBAL has rapidly become one of Europe's fastest-growing telecom technology companies, connecting more than 80 million people and devices globally. Our customers include leading banks, multinational enterprises, global retailers, travel companies, payment service providers, and digital-first businesses.
Headquartered in the Netherlands, with R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 550 professionals across 16 countries. With annual revenues exceeding US$200 million and a strong track record of profitability, we continue to invest in innovation, infrastructure, and international expansion as we redefine the future of global mobile connectivity.
About the Team
You will be part of the Platform Support team and be accountable to troubleshoot network customer complaints around registration, voice, data and sms services across multiple products like B2B, B2C and IoT.
You will also be involved in API troubleshooting for our biggest customers. You should be a well-organized individual, able to juggle priorities, and comfortable working independently while following direction from remote teams. A calm, analytical approach is important, especially when dealing with tough or unexpected situations. Being detail-oriented and committed to doing things right is key, along with having the people skills to build strong relationships across teams.
We’re looking for someone who’s proactive, motivated, and aligned with the bigger picture of our operations. You should understand the impact your work has on the customer experience, especially during incidents, and be able to connect local day-to-day work with central management through clear communication and reporting. Flexibility and resilience in a fast-moving environment are a must.
About the Role
- Monitor and support CORE and RAN networks to ensure high availability and performance.
- Monitor and support API connectivity ecosystem to ensure high availability and performance.
- Troubleshoot service-impacting issues across Voice, Data, SMS, and Registration services.
- Analyse and resolve network faults using tools and traces involving protocols such as: SS7, MAP, ISUP, SIP, CAP, DIAMETER, and related telecom signalling stacks.
- Escalate and coordinate with vendor and engineering teams on complex incidents.
- Participate in the root cause analysis of major incidents and implement corrective actions.
- Support daily operations and incident management, ensuring compliance with SLAs.
- Create and maintain accurate documentation related to procedures, configurations, and fault analysis.
- Collaborate with cross-functional teams, including Radio Planning, Core Engineering, and Customer Support.
- Stay updated on network evolutions, including 5G, IoT ecosystems, and virtualisation trends.