Roaming Support Engineer

• Analyse and troubleshoot inbound and outbound roaming issues across 2G, 3G, 4G and 5G technologies to restore customer services
• Perform measurements and technical validations using tools such as GFACTS, Global Roamer and IR tests for outbound and inbound roaming scenarios
• Collaborate closely with roaming partners, third-party suppliers and internal second-line technical teams responsible for network elements
• Monitor roaming KPIs to ensure performance remains within agreed targets and all roaming SLAs are met
• Provide reactive technical support by managing incidents and escalations through Remedy, email channels and direct partner interactions

• Strong knowledge of inbound and outbound voice and data roaming call flows across 2G, 3G, 4G and 5G, including international SMS, GRX and VoLTE roaming architectures
• Comfortable using service-specific roaming support tools, with basic hands-on experience of Geoprobe and Wireshark tracing
• A collaborative team player who communicates clearly and works effectively with diverse technical and non-technical stakeholders
• Familiar with SS7, Sigtran, MAP and CAMEL protocols at a foundational operational level
• Experienced in IT or telecom support environments, with a university or technical university degree and excellent written and spoken English

Knowledge of Linux environments and Python scripting

• Hybrid way of working: 2 days per week/ 8 per month
• Medical and dental services
• Life and hospitalization insurance
• Dedicated employee phone subscription
• Take control of your benefits and choose any of the below options: meal tickets/private pension/vacation vouchers/cultural vouchers within the budget
• Special discounts for gyms and retailers
• Annual Company Bonus
• Ongoing Education
• Write your own story by planning vacations: 23 days off
• Special Paternal Program - 4 months of paid paternity leave