Responsibility:• Operated and managed various firewall devices: Cisco ASA, Fortinet, and Azure firewall.• Maintained operation of SASE solution using Fortinet.• Improved and optimized of operation of Security Services• Analyzed potential threats through firewall, WAF, IDS, mail, server, and cloud activity logs.• Reported security incidents to stakeholders and clients; coordinated with related teams to remediate incidents.• Analyzed vulnerabilities, created remediation plans, and implemented solutions.• Analyzed security alerts from SOC, following up and remediating alerts under SLA.• Managed the operation of Privilege Access Management based on user roles and scope.• Collected, parsed, and aggregated security devices logs to increase visibility of security.Achievements:• Led the migration of Privilege Access Management (PAM) for identity access management.• Contributed to data center migration from on-premises to cloud environments.• Led the implementation of SOC to enhance cyberattack detection and unify security monitoring.• Implemented Data Loss Prevention (DLP) and Cloud Access Security Broker (CASB) for company and clients.• Minimized security incidents by defining SOC alert use cases based on company assets and services • using MITRE ATT&CK framework.• Optimized the utilization of SOC systems.• Led implementation of O365 Mail security for client companies.

• Develop backend configuration for chatbot application.• Maintain and resolve bug of application.