Senior Engineer

• 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

• Bachelor’s degree in Electronics, Telecommunications, Computer Science, or related field
  


• 7–10 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