Senior 4G/5G RAN Optimization Engineer

Tangent International is urgently seeking a 4G/5G Optimization Engineer for a 6-month rolling contract based in Johannesburg, South Africa. You will own end-to-end RAN performance across LTE and NR networks, configuring advanced parameters and conducting deep-dive protocol trace analysis using ZTE optimization platforms.

You will work on ZTE RAN optimization, KPI monitoring, call-flow analysis, and data post-processing with TEMS, NGI, NetMax, and WNG, delivering actionable insights and