Muhammed Afnan F

• Managed and supported IT infrastructure for users across multiple sites, maintaining 99.9% uptime for business-critical systems and services. • Reduced average ticket resolution time by 35% through troubleshooting, root-cause analysis, and improved helpdesk workflows. • Strengthened cybersecurity by implementing firewall rules, endpoint protection, MFA, and access controls, reducing security incidents by 30%. • Administered network devices including LAN/WAN links, VPNs, switches, and firewalls, improving network reliability by 25%. • Managed automated backups, disaster recovery testing, and server redundancy for critical systems, achieving 95% recovery readiness compliance. • Collaborated with PMO, project teams, and technical support teams to support infrastructure upgrades, cyber security deployments, and managed service operations, ensuring timely project execution and operational continuity.

Managed and maintained virtualization environments (on-premise and cloud servers) to ensure high availability and performance. Configured and secured routers, switches, firewalls, and VPNs to strengthen network security and performance. Implemented user access controls, security policies, and compliance measures in line with organizational requirements. Monitored system performance and troubleshot network/server issues to maintain reliability. Performed system updates, backups, and disaster recovery drills to support business continuity. Developed documentation for system configurations, IT processes, and security protocols to support audits and training.

• Administered and maintained Linux and Windows servers, ensuring secure and reliable operations. • Configured and supported network services (DNS, DHCP, VPN) to maintain smooth business connectivity. • Implemented firewall rules, antivirus solutions, and VPNs to secure IT infrastructure. • Performed regular system updates, patching, and security audits to strengthen system resilience. • Configured Gmail and SMTP settings for seamless business communication. • Managed hardware procurement, laptop configuration, and device inventory. • Implemented basic ITIL practices for incident and change management. • Provided technical support and account management for users, ensuring proper access controls. • Documented system configurations, troubleshooting procedures, and IT policies.

Utilized aws s3 to store and manage large datasets of amazon product information leveraged aws Quick sight to create interactive and dynamic visualizations of bestselling products developed and implemented data visualization dashboards to provide actionable insights to stakeholders integrated aws services to streamline data processing and analysis.

• Manage firewall policies and network objects effectively, while also leveraging real-time monitoring tools such as SmartView Monitor. • Maintaining network security, optimizing firewall performance. • Configured and enhanced firewall rules and access controls to support business-critical operations and minimize exposure to threats. • Diagnosing and resolving issues related to firewalls as reported by clients or identified through monitoring systems. • Analyzed firewall logs, alerts, and anomalies to identify potential intrusions, policy violations, and performance bottlenecks.

Implemented an end-to-end CI/CD pipeline for Java based application using Jenkins declarative pipelines. As part of pipeline, I have implemented various stages such as – Unit Testing, Static code analysis, SAST, DAST, Creation of Docker Images. Deployment on Kubernetes platform using Argo CD

Implemented a three tier Architecture that is highly available and scalable using Terraform. Deployed the application on EC2 instances using the user data Script. AWS Components Involved: VPC, ASG, Route53, CDN, ELB, EC2, S3, NAT, API Gateway.