WajahatGondal

VAS Security Engineer

Ufone • Tiempo completo

Jul 2023 - Present • 3 yrs 4 mos

Worked on the security, monitoring and operational reliability of telecom Value-Added Services (VAS) and messaging infrastructure. Integrated security logs with IBM QRadar SIEM to improve event visibility, support threat detection and assist with security incident investigation. Managed and monitored messaging security controls across SMSC, SMS Firewall, USSD and VAS platforms. Supported firewall policy management, including rate limiting, sender controls, content filtering and spam detection. Conducted vulnerability assessments and security checks, supported remediation, system hardening and access control reviews. Applied DevOps practices to infrastructure operations, deployment support, configuration management, monitoring, backup validation and operational automation. Worked with Python and Bash to automate log analysis, reporting and routine checks. Also developed exposure to MLOps and AIOps practices, applying automation, data analysis, trend monitoring and anomaly detection concepts to improve operational visibility and identify unusual messaging traffic patterns. Contributed to incident response, root-cause analysis and infrastructure continuity activities.