Senior Engineer


Job Location:

Chennai - India

Salary: Not Disclosed
Experience Required: 10-12years
Posted on: 30+ days ago
Vacancies: 1 Vacancy

Job Summary

We are seeking an experienced Senior Engineer Network Performance & Service Optimization Lead to support network quality management and optimize telecom service performance across core network environments. The role involves troubleshooting customer-impacting issues analyzing network KPIs supporting service validation and ensuring high-quality mobile network performance.

Key Responsibilities:
  • Support network quality management and service optimization initiatives
  • Analyze critical customer issues and network performance discrepancies
  • Lead service validation and testing activities within core network environments.
  • Perform end-to-end trace analysis to identify root causes and support issue resolution.
  • Monitor and analyze Mobile Core Network KPIs to identify bottlenecks and optimization opportunities
  • Conduct packet capture network auditing and diagnostic analysis
  • Collaborate with cross-functional teams on fault analysis and preventive measures
  • Support project implementation UAT migrations and BAU activities
  • Provide technical guidance and mentorship to junior engineers
  • Support night/weekend deployments during critical upgrades or migrations when required


Requirements

  • Bachelors degree in Electronics Telecommunications Computer Science or related field
  • 710 years of experience in telecom core network operations and optimization
  • Experience working with Mobile Operators MVNOs MNVEs or telecom vendors
  • Strong knowledge of CS Core Network technologies (MSS MGW SBC STP SMSC HLR IVR)
  • Good understanding of PS Core Network technologies (SGSN SGW PGW PCRF DNS AAA)
  • Experience with IMS nodes (CSCF TAS MRF ePDG)
  • Strong troubleshooting and network quality assurance skills
  • Good understanding of VoLTE Voice SMS and Data call flows
  • Hands-on experience with telecom protocols such as SIP MAP GTP SMPP RTP Gx Gy Ro
  • Experience using packet analysis and network tracing tools
  • Working knowledge of Jira and Confluence



Required Skills:

Mobile Core Networks IMS VoLTE VoWiFi Network Optimization Telecom Troubleshooting KPI Analysis Packet Analysis SIP GTP MAP PCRF SGSN PGW HLR SMSC Wireshark Jira Confluence Telecom Service Assurance

We are seeking an experienced Senior Engineer Network Performance & Service Optimization Lead to support network quality management and optimize telecom service performance across core network environments. The role involves troubleshooting customer-impacting issues analyzing network KPIs supportin...