Achitha Shehan Kulasooriya

Information Security Administrator with a background in Security Operations , focused on building and securing critical IT infrastructure. I specialize in implementing practical security controls through network devices and server hardening.I have Work Experience in ISO 27000 Framework My expertise includes configuring and maintaining Palo Alto, FortiGate and WatchGuard firewalls to control network traffic and segment assets. I apply my proficiency in Linux/Windows server administration to ensure systems are patched, hardened, and monitored for threats. This operational experience provides critical context for managing vulnerabilities and responding to security incidents effectively. Open to connecting with professionals in network and infrastructure security. Skills: Firewalls (Palo Alto,Fortinet, WatchGuard, Cisco) · Linux Administration · System Administration · Vulnerability Management and Penetration testing. ·SIEM(Google Cronical , Elastic Search ) · Network Segmentation · Server Hardening · Incident Response · XDR (Cortex by Palo alto) EDR (Sentinal One) , WAF(Impreva, Barracuda) PAM ( Segura, CyberArk)