Telecommunications Network Operations Intern

Job description

# Telecommunications Network Operations Intern > 1GLOBAL · Lisbon, Portugal (Hybrid) · Full-time · Posted 2026-07-10 **Workplace:** hybrid **Department:** Service Assurance ## Description **About Us** **1GLOBAL** is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform – including its own owned and operated global mobile core network, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses – 1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide. We serve many of the world’s leading banks, enterprises, and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than **70 million people and devices globally**, enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem. 1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding **US$200 million** and profits of over **US$25 million**, we generate strong cash flows to fund our growth allowing us to continuously invest in infrastructure, platform innovation, and global expansion. Recent years have marked a defining phase in our journey, with major enterprise and mass-consumer client wins accelerating our evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own aspirations to offer telecommunications services to their clients. Founded in 2022 by experienced technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has rapidly emerged as a European technology leader **shaping the future of global telecommunications**. We operate as a fully regulated Mobile Virtual Network Operator (MVNO) in 12 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, our team of more than **500 experts across 16 countries** is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence. **About the Team** We are looking for a Telecommunications Network Operations Intern to join our Networks Operations team, part of the wider Service Assurance function. This team acts as a 2nd line technical support team, working closely with Customer Services, Customer Success, Engineering, Product, vendors, and NOC teams to troubleshoot and resolve customer-impacting network issues. You will support the investigation of customer complaints and operational incidents across services such as registration, voice, data, and SMS. This is a hands-on learning role for someone who wants to build practical experience in telecom operations, incident handling, network troubleshooting, and service assurance. The ideal candidate is organised, analytical, curious, and calm under pressure. You should be comfortable following guidance from experienced engineers and remote teams, while also being proactive in learning, documenting, and communicating clearly.** About the Role** - Support the investigation and troubleshooting of customer complaints related to registration, voice, data, SMS, and connectivity services. - Assist the Networks Operations team with daily case handling, monitoring, and incident follow-up. - Help analyse network faults using diagnostic tools, monitoring platforms, logs, and protocol traces. - Learn and support troubleshooting across telecom signalling flows such as SS7, MAP, ISUP, SIP, CAP, DIAMETER, and related network procedures. - Escalate complex or high-impact issues to senior engineers, Engineering teams, vendors, or NOC teams with clear and accurate context. - Maintain accurate records of incidents, troubleshooting steps, resolutions, and follow-up actions. - Support incident response activities, including impact assessment, updates, and post-incident documentation. - Contribute to root cause analysis by collecting evidence, timelines, logs, traces, and operational observations. - Help ensure service issues are handled in line with SLAs, operational KPIs, and customer-impact priorities. - Collaborate with Customer Services, Customer Success Managers, Engineering, Product, and other operational teams to support smooth service delivery. - Create and maintain internal documentation, troubleshooting guides, procedures, and knowledge articles. - Share learnings and best practices with the team to improve operational efficiency and consistency. ## Requirements **About You** **Must-haves** - Degree in progress or recently completed in Telecommunications Engineering, Computer Science, Network Engineering, or a related technical field. - Basic understanding of mobile networks, IP networking, telecom services, or distributed systems. - Interest in troubleshooting telecom services such as voice, data, SMS, and network registration/attach flows. - Familiarity with network protocols, signalling concepts, or tools such as Wireshark is a strong advantage. - Interest in learning telecom signalling protocols such as SS7, MAP, ISUP, SIP, DIAMETER, and CAP. - Good analytical and problem-solving skills, with attention to detail. - Ability to organise work, follow priorities, and ask for clarification when needed. - Strong written and verbal English communication skills. - Comfortable working with remote teams and cross-functional stakeholders. - Proactive, motivated, and willing to learn in a fast-moving operational environment. - Calm and structured approach when dealing with urgent or unexpected situations. - Team-oriented mindset with a commitment to doing things properly and improving continuously. **Nice-to-haves** - Previous internship, academic project, or hands-on exposure involving telecom, networking, monitoring, support, or systems operations. - Basic knowledge of mobile core, RAN, IoT, M2M, eSIM, or roaming environments. - Experience using ticketing systems such as Jira, Salesforce, or similar tools. - Exposure to incident management, customer support, or operational reporting. - Understanding of service KPIs, SLAs, alarms, monitoring, or customer-impact assessment. **What You Will Learn** - How a 2nd line Networks Operations team supports customer-facing services. - Practical telecom troubleshooting across registration, voice, data, and SMS services. - How incidents are detected, investigated, escalated, and resolved. - How to analyse traces, logs, monitoring events, and customer-impact symptoms. - How Service Assurance teams work with Customer Services, NOC, Engineering, Product, and vendors. - How to document technical findings clearly and contribute to operational improvement. ## Benefits **Why 1GLOBAL?** - **Growth Opportunities:** Advance your career in one of the fastest growing telecommunications companies, expanding over 100% 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._ ## Apply [Apply at 1GLOBAL](https://apply.workable.com/1global/j/2F47FD0F6A/apply) --- Powered by [Workable](https://www.workable.com)