Job Information Work Experience 5 Years Industry IT Services Job Type FULL TIME Location Bangalore India Key Responsibilities Provide L2 support for international roaming operations including troubleshooting and resolving roaming-related issues e g SS7 Diameter GTP SIP Manage and configure roaming systems including steering of roaming IPX GRX and signaling traffic Perform roaming tests e g IR 21 IR 35 IR 50 IR 60 and maintain quality assurance programs using tools like SIGOS RIS and Total Visibility Conduct root cause analysis RCA for roaming faults and ensure compliance with SLAs and roaming agreements Liaise with roaming partners vendors and internal teams to resolve incidents and coordinate escalations Support change management capacity planning and implementation of roaming services Monitor performance KPIs track operational metrics and drive continuous improvement initiatives Document incidents configurations and resolutions maintain knowledge base and operational procedures Provide coaching and guidance to junior team members and support knowledge sharing Required Qualifications Bachelor s degree in Telecommunications Electronics Computer Science or a related field Minimum 5 years of experience in international roaming telecom core networks or related L2 support roles Proficiency with roaming protocols and technologies such as SS7 Diameter GTP SIP LTE VoLTE and 2G 3G 4G 5G systems Familiarity with GSMA IREG test cases and roaming quality tools e g SIGOS RIS Strong analytical troubleshooting and problem-solving skills Excellent communication and coordination abilities including stakeholder and partner engagement Must-Have Skills Core International Roaming Expertise Deep understanding of roaming protocols SS7 SIGTRAN Diameter GTP Expertise in 2G 3G 4G LTE and 5G roaming architectures and signaling Knowledge of roaming services Voice VoLTE CSFB Data SMS VAS Familiarity with roaming agreements IOT TADIG and commercial aspects Awareness of roaming fraud prevention techniques Quality Control Monitoring Expertise Ability to define track and analyze international roaming KPIs Strong skills in performance troubleshooting and root cause analysis across network elements Proficiency with signaling traces and packet analysis tools Experience in creating clear actionable reports and monitoring dashboards Ability to set up and manage proactive monitoring and alerting systems IREG International Roaming Expert Group Expertise In-depth knowledge of IREG testing methodologies and best practices Ability to design and execute comprehensive IREG test plans for current partners services 2G 3G 4G VoLTE 5G Familiarity with IREG testing platforms and simulators Expertise in troubleshooting and resolving IREG issues Ability to produce detailed IREG test reports and ensure certification Operations Expertise Proven experience in managing and resolving roaming-related incidents ITIL principles Ability to plan implement and verify changes to roaming configurations Experience in interacting with and managing roaming vendors Strong focus on process improvement and operational efficiency Ability to create and maintain comprehensive operational documentation MOPs SOPs Excellent cross-functional collaboration skills with internal and external partners General Soft Skills Strong analytical and problem-solving capabilities Exceptional attention to detail Excellent written and verbal communication skills Basic project management fundamentals prioritization deadlines Adaptability and learning agility for evolving technologies e g 5G IoT Customer-centric approach understanding end-user impact Interview Process 2 Technical Rounds

📌 International Roaming Support (Karnataka)
🏢 SourceFuse
📍 Karnataka