L2/L3 Support Engineer

L2-L3 Support Engineer

Location: Remote, US

Contract

• Proven experience with troubleshooting principles, methodologies, and issue resolution techniques in Telecom domain and IMS (4G/5G/LTE) Core networks.
• Experience in Case Handling, including Emergency Support activities
• Experience in Conducting root cause analysis and recommend corrective actions to enhance customer experience.
• Extensive knowledge and expertise in the IMS VoLTE domain including of Nokia IMS Core products including CNCS, Nokia TAS, Nokia SBC, MRF, LIMS, SMSC/MMSC, BMC, Presence Server, UMC, SMS Gateway
• Competences and Expertise in LTE/5G system validation (end-to-end performance, KPI handling, mobile devices).
• Deep knowledge and understanding of SIP, Diameter and H.248 Protocols including knowledge of TLS, IPSEC, RTP.
• Solid experience with Protocol Analyzer Tools (Wireshark) and internal message flow protocols.
• Knowledge and experience with Linux. Strong scripting skills and ability to automate manual tasks which could be easily converted to a script using shell, python.
• Knowledge of Kubernetes, VMWare, OpenStack, Kubernetes, CBIS, CBAM, and NCS"