SAKTHISH KUMAR S

Cloud Operations & Infrastructure Management Infrastructure Automation & DevOps Security & Compliance Disaster Recovery & Maintenance Monitoring & Troubleshooting

• Architected and managed enterprise-scale AWS infrastructure, ensuring 99.99% uptime.
• Monitored costs and optimized cloud deployment expenses to align with business needs.
• Automated daily backups of critical data using AWS S3, reducing data loss risk.
• Implemented comprehensive monitoring using AWS CloudWatch, EventBridge, and custom metrics.
• Managed and optimized ECS clusters and containerized deployments for consistent application performance.
• Automated routine tasks using AWS Systems Manager and Lambda, enhancing operational efficiency.
• Developed and maintained Infrastructure as Code using Terraform and CloudFormation for reliable provisioning.
• Enhanced deployment efficiency with CI/CD pipelines using Jenkins, reducing manual intervention.
• Standardized development environments using Docker, enabling consistent deployments across platforms.
• Created automated AMI lifecycle management and system patching processes across Linux servers.
• Automated ECS task monitoring and notifications with EventBridge for faster incident response.
• Implemented automated secrets rotation using AWS Secrets Manager for EC2 SSH keys and IAM credentials.
• Designed automated IAM access key rotation systems to enhance cloud security.
• Managed SSL/TLS certificates and developed automated renewal processes for seamless operations.
• Applied security controls based on penetration testing findings to mitigate vulnerabilities.
• Utilized AWS CloudTrail for audit and compliance monitoring.
• Designed and implemented a cross-account disaster recovery strategy using AWS Backup.
• Developed DR plans achieving an RPO of 1 hour and RTO of 4 hours.
• Performed system refresh activities, server upgrades, and volume management with minimal downtime.
• Automated backup and recovery verification processes to ensure reliability during critical events.
• Implemented comprehensive monitoring with CloudWatch, Athena queries for VPC flow logs analysis, and VPC Reachability Analyzer for network troubleshooting.
• Reduced system downtime by resolving P1 incidents within SLA requirements and improving alerting tools.
• Utilized proactive monitoring to improve system reliability and reduce incident response times.

• Performed weekly AMI backups and created snapshots to ensure reliable volume and image backups.
• Designed, deployed, and managed VPCs, Subnets, Internet Gateways, NAT Gateways, VPNs, Peering Connections, and NACLs to build secure cloud infrastructures.
• Configured CloudWatch alarms with thresholds at 70%, 80%, and 90%, sending alerts via SNS topics to AWS teams.
• Implemented and maintained services like EC2, Lambda, SES, SNS, VPC, CloudFront, CloudFormation, and Auto Scaling.
• Managed S3 buckets by implementing policies, versioning, lifecycle rules, and Glacier archives for optimized storage and backup management.
• Monitored and analyzed AWS services, ensuring system availability per Service Level Agreements (SLA) for 24x7x365 environments.
• Configured IAM roles, groups, and policies for secure resource communication and improved user authentication.
• Designed scalable environments by using Elastic Load Balancers (ELB), Auto Scaling, and Route Tables for optimized workload distribution.
• Deployed RDS and maintained data availability and backups in S3 storage for production servers.
• Developed and maintained CloudFormation templates for provisioning AWS resources efficiently.
• Collaborated on setting up and maintaining security groups to block suspicious IPs and enhance network security.
• Researched and implemented AWS improvements to drive efficiency, reliability, and scalability.

• Maintained server and desktop OS security, eliminating vulnerabilities through patch management and configuration, ensuring system stability.
• Administered Active Directory (AD) and Group Policy to manage user accounts, access controls, and system configurations in a secure and efficient manner.
• Supported user operations for VPN, applications, and productivity tools, resolving issues to ensure seamless operations.
• Coordinated, scheduled, and deployed monthly security patches, improving overall system security and compliance.
• Utilized Windows Server 2008/2012 and related AD tools to provision user access, manage file shares, and deploy group policies.
• Managed and monitored Citrix VMs using Citrix Director to ensure system performance and availability.
• Worked closely with vendors to resolve hardware and software issues, minimizing downtime and enhancing service delivery.
• Troubleshot and resolved LAN/WAN network issues in coordination with Network Services, ensuring high availability.
• Designed and managed resource pools for virtual environments, optimizing resource allocation for virtual machines (VMs).
• Provided timely follow-up to user queries and resolved tickets in alignment with established SLA agreements.
• Collaborated with cross-functional teams to enforce security compliance standards, ensuring adherence to company policies.

• Worked as a Hardware and Desktop Support Engineer in Dell and Lenovo Project
• Analyzing the fault in the system and replacing hardware components
• Performing troubleshooting on assigned ticket and resolve the problem within SLA
• Handling various kinds of incident logged by the users & provides them a support on their logged Incident about Desktops, Laptops, Software's & Printers
• Used HPSM tool for a ticketed system to track and update computer related issues
• Keep network infrastructure up-to-date and secured
• Maintained Active Directory Resources including Home Directories, File Permissions
• Troubleshoot system and resolve end-user issues (remotely using Remote Desktop Protocol and on-site at Customer's location)
• Creating Group Policies and implementation as per standard procedures
• Administrating McAfee Tool Suite/Products (ePO, VSE, DLP, Encryption)