Telecom & Systems Engineer with 7+ years of comprehensive end-to-end mobile industry expertise across diverse domains, including Customer Experience Management (CEM), Operations and Business Support Systems (OSS/BSS), and Value-Added Services (VAS) infrastructure. Possesses 4+ years in core enterprise Linux systems administration (Red Hat, SUSE, EulerOS), Bash script automation, and Oracle/Hadoop SQL query analysis, supported by 3 years in 2G/3G/4G RAN alarm and KPI performance monitoring within a fast-paced NOC environment. Rounded out by 6 months in Radio Frequency (RF) field operations, including 2G/3G/4G site acceptance, indoor/outdoor benchmarking, and spectrum scanning