Omkar Charan Mandadi

Experience

1. Cyber Security Analyst

   CrowdStrike

   Aug 2024 — Present · US

   Designed and configured Palo Alto Networks, Cisco ASA, and AWS WAF firewalls to strengthen perimeter defense, achieving a 95%+ reduction in unauthorized access attempts and full alignment with NIST and CIS standards.• Led proactive threat hunting and log analysis using Splunk and Elastic Stack, identifying and mitigating 10+ previously undetected threats; reduced incident response time by 30% through custom SIEM dashboards and correlation rules.• Conducted deep packet inspection and protocol analysis with Wireshark, SolarWinds, and Nagios to detect DDoS attacks, malware C2 communications, and lateral movement across the enterprise network.• Managed and triaged security alerts using ServiceNow and Jira; coordinated incident handling with SOC teams and leveraged Snort IDS for real-time monitoring, ensuring 24/7 operational readiness.• Implemented enterprise endpoint security policies via McAfee ePolicy Orchestrator and Symantec Endpoint Protection, including advanced VPN, DNS, SSL/TLS, and MFA configurations.• Secured AWS environments by configuring IAM policies, S3 encryption, security groups, and VPC flow logs; supported internal audits aligned to ISO/IEC 27001, HIPAA, and SOC 2 Type II.