4G​/5G Wireless Network Optimization Engineer

The client is looking for a 4G/5G Wireless Network Optimization Engineer to work a 3 month rolling contract based in South Africa (Johannesburg).

• The client is seeking a senior-level Wireless Network Optimization Engineer to spearhead end-to-end multi-technology optimization for our 4G LTE and 5G . Operating from a strategic tier, this individual will take full ownership of RAN performance across the network, driving advanced parameter configurations and deep-dive protocol trace analysis.
• The role requires a technical expert capable of leveraging proprietary ZTE optimization platforms to maximize network quality, handle complex operator escalations, and deliver executive-level performance insights.

• ZTE RAN Optimization:
  Analyze and optimize 4G/5G radio network performance using the ZTE product suite to improve overall network quality and customer experience.
• KPI Management & Troubleshooting:
  Monitor and analyze network KPIs, identify performance degradation, bottlenecks, and interference, and implement corrective optimization actions.
• Protocol & Call Flow Analysis:
  Apply a strong understanding of call flow, handover flow, mobility management, and wireless communication technologies across CS, VoLTE, and PS RAN to isolate root causes.
• Parameter & Feature Tuning:
  Perform deep-dive radio network troubleshooting, parameter tuning, and ZTE RAN software feature implementation.
• Data Analysis & Tooling:
  Perform post-processing using TEMS, ZTE WNG, and analysis through MR-based tools such as NGI, Net Max, and CEMS to identify coverage, quality, and throughput issues, and provide targeted optimization solutions.
• Escalation & Complaints:
  Investigate high-level customer complaints and provide technical resolutions related to coverage and service quality issues.
• Cross-Functional Collaboration:
  
  Collaborate with planning, implementation, transmission, and customer teams to support network modernization and drive continuous network improvement initiatives.
• Reporting & Analytics:
  Prepare KPI reports, automated dashboards (Power BI/Excel), optimization analysis, and technical presentations for management and stakeholders.

• Technical Expertise:
  Strong expertise in LTE and 5G  interface technologies, mobility management, root-cause analysis, and mitigation techniques with a solid understanding of RAN principles.
• ZTE Vendor Expertise:
  Hands-on experience with proprietary ZTE tools, explicitly UME, NGI, Net Max and WNG, along with ZTE-specific parameter sets and feature configurations.
• Analytics & Software Tools:
  Proficiency in data analytics and report generation using Microsoft Excel and Power BI, alongside standard optimization tools (TEMS, Nemo, QGIS, or Google Earth).