Job Title

Job SummaryWe are looking for experienced Core Network professionals with strong hands-on expertise in HSS, UDR, and ePDG platforms. Candidates with HLR Titanium operational experience will be highly preferred. The role involves day-to-day operations, troubleshooting, configuration, and support of critical mobile core network elements in a high-availability environment.Key ResponsibilitiesCore Network OperationsPerform L2/L3 operations and maintenance for HSS, UDR, and ePDG nodesMonitor system performance, alarms, KPIs, and health checksTroubleshoot complex issues related to subscriber data, authentication, authorization, and mobilityManage incident handling, problem management, and service restoration within SLAHLR TitaniumHands-on experience with HLR Titanium operations including:Subscriber provisioning and modificationsAlarm and fault managementDatabase maintenance and system health monitoringSupport upgrade, migration, and patching activitiesConfiguration & SupportConfigure network elements and perform change management activitiesCoordinate with NOC, vendors, and cross-functional teams for issue resolutionSupport OSS/BSS integrations and interface troubleshooting (Diameter, MAP, SS7, IPsec)Documentation & CompliancePrepare and maintain operational procedures, SOPs, and technical documentationParticipate in audits, DR drills, and capacity planning exercisesRequired Skills & ExperienceMandatory Technical SkillsHands-on experience with one or more:HSS (Home Subscriber Server)UDR (Unified Data Repository)ePDG (Evolved Packet Data Gateway)Strong operational exposure to HLR TitaniumGood understanding of LTE / VoLTE / 5G Core conceptsProtocol knowledge:Diameter, MAP, SS7IP, TCP/IP, VPN, IPsecExperience working in 24x7 operations or production support environmentsTools & PlatformsLinux/Unix system administrationNetwork monitoring and alarm toolsLog analysis and troubleshooting utilitiesNice to HaveExposure to 5G core subscriber managementExperience with vendor solutions (Ericsson / Nokia / Oracle / Huawei)Scripting knowledge (Shell / Python)Prior experience in managed services or telecom operations projectsEducationBE / B.Tech / MCA or equivalent technical qualificationSoft SkillsStrong troubleshooting and analytical skillsGood communication and stakeholder coordination abilitiesAbility to work independently and in a team environmentWillingness to work in shifts (if applicable)