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Telecom Jobs

Core Network Engineer

Fresher   Hyderabad, BangaloreBangalore, Chennai   20 May, 2026
Cynosure Corporate Solutions
Job LocationHyderabad, BangaloreBangalore, Chennai
EducationNot Mentioned
SalaryNot Disclosed
IndustryTelecom / ISP
Functional AreaTelecom Software
EmploymentTypeFull-time

Job Description

    We are looking for a highly skilled Core Network Engineer to manage and maintain HLR/HSS systems and provisioning platforms in a multi-country telecom environment. The role involves handling SIM lifecycle management, core network provisioning, troubleshooting IMS call flow issues, and supporting operational excellence across telecom network systems.Key Responsibilities:
    • Configure, operate, and maintain HLR/HSS systems in a multi-country environment
    • Support SIM and voucher management systems operations and maintenance
    • Handle provisioning of core network components and IT systems
    • Collaborate with core network teams, architects, vendors, and country operations teams
    • Troubleshoot and resolve operational issues related to provisioning platforms and HLR/HSS systems
    • Manage SIM profile provisioning, testing, and lifecycle management
    • Work with IMS teams to resolve VoLTE, VoWiFi, USSI, and handover-related issues
    • Perform Wireshark tracing and debugging for infrastructure-related incidents
    • Support geographical expansion projects through HLR integration and configuration
    • Drive process automation and operational improvements
    • Plan SIM capacity and forecast operational requirements
    Required Skills & Qualifications:
    • BE in Electronics, Computer Science, or related field
    • 10-12 years of experience in telecom core network operations
    • Strong knowledge of HLR/HSS, STP, and DRA systems
    • Experience with IMS call flows such as VoLTE, VoWiFi, and handovers
    • Hands-on experience in SIM provisioning and SIM profile management
    • Strong database knowledge in Oracle, SQL Server, or similar platforms
    • Experience with PL/SQL, UNIX administration, and batch scripting
    • Knowledge of Wireshark tracing and troubleshooting
    • Familiarity with AWS or other cloud platforms
    • Working knowledge of Jira and Confluence
    • Shell scripting/programming knowledge is an added advantage

Keyskills :
simprovisioningoperationsunixjiraimsscriptingawscorevoltedraoraclenetwork

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