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Senior Engineer
Job Location:
Salary:
Experience Required:
Posted:
24 May 2026 (30+ days ago)
Posted:
Application Deadline:
21 August 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
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
