Manirul Islam

Background

About Manirul Islam

I am a Senior RF Optimization & RAN Performance Specialist with 11+ years of experience driving network excellence across 5G NR, LTE, UMTS, and GSM technologies. My work spans multi-vendor ecosystems — Nokia, Samsung, ZTE, Huawei, Tejas — with a proven track record of improving KPIs, optimizing RAN parameters, and leading large-scale telecom rollout and modernization projects.Currently, I serve as RAN Consultant (Lead–RAN SME) at Tata Consultancy Services (TCS), contributing to the BSNL 5G/LTE/UMTS/GSM rollout and operations project. I specialize in:5G NSA/SA optimization, EN-DC, mobility KPIs, and handover tuningMassive MIMO & Beamforming for throughput and spectral efficiency improvementParameter audits, worst-cell analysis, and RF performance troubleshootingDriving KPI governance, accessibility, retainability, mobility & integrity improvementsPre-launch tuning, feature trials, and acceptance testingAutomation using Python, Power BI dashboards, and advanced analyticsI have successfully worked on 5G sites during Airtel’s rollout across Kolkata & West Bengal, optimizing EN-DC, X2/S1 handovers, SgNB addition success, and high-density mobility performance.My approach combines deep technical expertise, strong analytical problem-solving, and cross-functional leadership, enabling me to deliver measurable improvements in network performance, user experience, and operational efficiency. Core Strengths5G/LTE/UMTS/GSM RAN OptimizationNSA/SA Tuning, EN-DC PerformanceKPI Analytics (Mobility, Accessibility, Retainability, Integrity)Worst-Cell Analysis & RCAHandover Optimization (X2/S1, SRVCC, CSFB)Multi-Vendor Expertise (Nokia, Samsung, Huawei, ZTE,TEJAS,CDOT)Drive Test & Log Analysis (TEMS, Nemo, Genex Probe)Massive MIMO, Beamforming, Spectral EfficiencyAutomation in Telecom (Python, Excel, Power BI)Pre-Launch, AT/Soft AT, Feature Trials What I Bring to an Organization Proven results in improving RF KPIs across multi-technology networks Ability to solve complex RAN issues with end-to-end analysis Leadership experience managing large-scale deployments Strong stakeholder & cross-functional coordination Capability to work in fast-paced environments across India & international markets