LMS Support Engineer
- Appian Infotech Inc
22 Hours Ago
NA
W2, C2C
Dallas-TX
7-10 Years
Required Skills: Telecom, IMS, 4G/5G/LTE Core networks, SIP, Diameter, H.248, TLS, IPsec, RTP protocols
Job Description
Seeking an experienced LMS Support Engineer with strong Telecom/IMS expertise to provide production support, troubleshooting, RCA, and emergency case handling for 4G/5G/LTE Core and IMS VoLTE networks, with a focus on Nokia SBC.
Mandatory Skills:
- Strong experience in Telecom, IMS, and 4G/5G/LTE Core networks.
- Hands-on experience in case handling, emergency support, troubleshooting, and issue resolution.
- Strong Root Cause Analysis (RCA) and corrective action experience.
- Extensive IMS VoLTE expertise with Nokia SBC.
- Experience with LTE/5G end-to-end system validation, performance testing, KPI analysis, and mobile devices.
- Strong knowledge of SIP, Diameter, H.248, TLS, IPsec, and RTP protocols.
- Hands-on experience with Wireshark/protocol analyzer tools and message-flow analysis.
- Strong Linux skills with scripting/automation using Shell and Python.
- Knowledge of Kubernetes, VMware, OpenStack, CBIS, CBAM, and NCS.
- Strong production/customer support and troubleshooting capabilities.
