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Core LTE 5G Engineer

Fresher   Ludhiana, Punjab   08 Aug, 2025
Digital Plus Solutions
Job LocationLudhiana, Punjab
EducationNot Mentioned
SalaryNot Disclosed
IndustryTelecom / ISP
Functional AreaNot Mentioned
EmploymentTypeFull-time

Job Description

    A highly skilled Core Systems Test Engineer is needed with expertise in designing, executing, and automating tests for core network infrastructure and services. Your role will involve validating, troubleshooting, and optimizing core systems like IMS, EPC (Evolved Packet Core), and 5G Core. You must ensure the seamless integration and performance of core network components, meeting functional, performance, and security standards. Your focus should be on driving improvements in testing strategies and methodologies to deliver high-quality results while prioritizing system reliability and performance.Your essential duties and responsibilities will include performing system integration and interoperability tests, supporting customer acceptance tests, and providing field deployment support for NFV-based 5G SA/NSA core systems. The team is specifically interested in candidates with expertise in Mobile Networks Subscriber and Policy Operations, including experience with subscriber database migration.You will be responsible for system-level feature integration and verification, inter-operability tests with external elements, developing and executing test plans, troubleshooting and analyzing problems in customers lab and production systems, new system deployment and commissioning, and migration of network systems.Qualifications:- BS/BE in Computer Science or Computer Engineering major with a minimum of 5 years of telecommunication industry experience; OR- MS in Computer Science or Computer Engineering major with 3 years of telecommunication experience- Hands-on experience in technical support, troubleshooting, and operational support of 3G/4G mobile subscriber and policy management systems (HLR/HSS)- Experience in configuration, troubleshooting, and analysis of end-to-end flow and processes between user SIM, subscriber management UI/portal, and HLR/HSS- Proficiency in LTE and 5GC call flow diagnostics- Expertise in using Wireshark or other IP protocol analyzers- In-depth understanding of EPC and SA/NSA 5GC architecture- Experience in debugging LTE and 5G SA/NSA call flows- Hands-on experience in the operational management of mobile network subscriber and policy management systems- Familiarity with the service-based architecture and 5G SA cloud-native core network functions- Knowledge of LTE core interfaces such as S1, S6a, S11, DNS, Gx, Gy, S2a, S5/S8, S6b, SGi, S1-U, NAS, GTP-U, GTP, DIAMETER, RADIUS, etc.- Understanding of SIP, IMS, and IP telephony standardsJob Type: Full-timeBenefits:- Health insurance- Paid time off- Work from homeWork Location: In person,

Keyskills :
IMSEPCLTEWiresharkSIPCore Systems Test Engineer5G CoreNFVMobile Networks SubscriberPolicy OperationsIP protocol analyzersSANSA 5GC architecture

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