AHMED ALZAHRANI

• Monitored and analyzed enterprise-scale security events using SIEM/EDR platforms (NetWitness), performing threat hunting
and leading incident response activities, including IOC analysis and endpoint containment, improving detection accuracy and
reducing false positives.
• Handled NCA cybersecurity notifications and requests, including IOC validation, vulnerability assessment, mitigation, reporting,
and ensuring full regulatory compliance.
• Conducted vulnerability and attack surface management using Tenable and Palo Alto Networks Cortex, ensuring timely
remediation and reducing exposure to security risks.
• Detected and mitigated phishing campaigns, malicious URLs/domains, fake websites, and external email threats using CTM360,
focusing on customer protection, brand protection, and prevention of credential compromise.
• Monitored and validated security controls including Firewalls, Forcepoint DLP, Email Security, WAF, and EDR, ensuring
proper policy enforcement, identifying misconfigurations, and coordinating with relevant teams for remediation.
• Performed access governance across critical systems, including access reviews, MFA enforcement, VPN access validation, and
privileged access control, ensuring least privilege and continuous access improvement.
• Verified EDR coverage across endpoints and servers, identifying gaps and ensuring proper deployment and visibility.

• Provided Level 2/3 support for routing, switching, and troubleshooting.
• Configured and installed routers and switches across multiple branches.
• Monitored network performance and ensured optimal operation.
• Maintained and optimized core network devices and traffic utilization.
• Assisted in implementing security tools (NAC, SNMP, IDS/IPS).

• Monitored and managed network and server performance across 500+ links.
• Reported incidents and coordinated with service providers to resolve outages.
• Conducted daily network health checks and escalated critical issues to senior teams.
• Assisted in implementing monitoring tools for improved uptime and reliability.