Good afternoon! Our client, based in USA, is urgently looking for RAN engineers who have the following profile: • VoLTE Engineer who is responsible for providing advanced technical solutions for the end-to-end voice. • Perform Parameter & Timer audit/dump of RAN elements. • Experience in resolving issues like call muting, high packet loss rate, degraded MOS etc. • Monitor RAN KPI performance and provide recommendation for further improvement. • Perform End to End testing / troubleshooting of voice call and messaging call flow • Experience in Traffic management, accessibility, mobility & retainability aspects of LTE and VoLTE • Good Understanding of VoLTE features & implementation and Understanding of LTE FDD/ TDD systems. • Experience with post processing tools like Windcatcher, XCAP, Wireshark. • Must be proficient with Operational Support Systems (OSS) including ENM/AMOS (Ericsson), NETACT (Nokia), and LSM (Samsung) and the support of multi-band and multi-vendor deployment and optimization of cell sites in 800 MHz, 1900 MHz and 2.5 GHz Bands. Applicants must be US resident, green card holders or TN visa candidates. If you are interested and you have the skills mentioned, please send me your cv to: email@example.com. Thanks and have a nice afternoon!