Nikhil Madhusudhan

• Monitor and manage enterprise networks through Nagios, SolarWinds, and Xymon.
• Add and maintain devices; resolve issues on Cisco routers, switches, and ASA firewalls.
• Investigate incidents, fine-tune SIEM rules, and monitor alerts via SentinelOne.
• Perform malware analysis, vulnerability assessments, and threat response.
• Ensure SLA compliance, handle escalations, and improve network resilience.
• Diagnose and resolve network issues, perform network monitoring, and maintain network hardware and software.
• Skill in using network diagnostic, monitoring, and analysis tools to identify and resolve issues.
• In securing network development security protocols and enchaining organizational resilience against cyber attackers
• Responsible for taking action to resolve issues, anomalies or threats before they can affect business operation.
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• Client: Qualfon

• Worked on basic networking concepts and troubleshooting Palo Alto firewall systems.
• Assisted in network configuration and initial firewall policy setup.
• Experience with Panorama for central management of firewalls
• Knowledge of configuring and maintaining HA/failover for minimal downtime.
• Sustained optimal sender score on two IPs, enhancing inbox delivery and corresponding metrics while improving delivery metrics from [Number]% to [Number]%.

• Checking the Customer Issue & giving the Solution & Resolving the reported issue.

• Handling the Incident management process for enterprise customers, Product Supported & Ensuring customer's impact is reduced within agreed SLA

. • Providing 24/7 services to customer.

• Taking End to End care of the customer issue to resolve the issue on Priority.