Prabakaran Nathappan

• Architect and lead the deployment of highly available, fault-tolerant, and scalable AWS infrastructure across multiple regions using services like EC2, RDS, VPC, ALB/NLB, Auto Scaling, and Route 53.
• Design and implement Infrastructure as Code (IaC) using Terraform modules and Ansible playbooks, enabling environment consistency, version control, and automated provisioning across dev, staging, and production.
• Develop and orchestrate CI/CD pipelines using Jenkins, GitHub Actions, or Bitbucket Pipelines, integrating with AWS SSM, CodeDeploy, and Lambda for zero-downtime deployments and automated instance lifecycle management.
• Implement monitoring and observability using Datadog, CloudWatch, CloudTrail, and AWS Config, including custom metrics, dashboards, log aggregation, and alerting for proactive incident response.
• Troubleshoot and resolve complex infrastructure and application issues across hybrid environments (cloud/on-prem), including network latency, DNS resolution, IAM misconfigurations, and container orchestration failures.
• Manage and secure source code repositories using Git and Bitbucket, enforcing branching strategies, pull request workflows, and integration with CI/CD pipelines.
• Configure and manage S3 buckets, lifecycle policies, encryption (SSE-KMS), and access controls, while collaborating with security teams to define IAM roles, policies, and service-linked roles for least-privilege access.
• Deploy and manage containerized applications using Docker and Amazon ECS/Fargate, including task definitions, service discovery, and autoscaling.
• Implement cost optimization strategies using AWS Trusted Advisor, Compute Optimizer, and Savings Plans, and automate patching and compliance using AWS SSM Patch Manager via Terraform.
• Collaborate with architects, developers, and security teams to gather requirements, design cloud-native solutions, and ensure alignment with SLA, RTO/RPO, and compliance frameworks (e.g., CIS, ISO 27001, HIPAA).
• Drive DevOps culture and best practices, including shift-left testing, GitOps, automated security scanning (SAST/DAST), and infrastructure drift detection.
• Created proofs of concept for innovative new solutions.

• Manage AWS infrastructure, deploy resources across multiple regions, and configure them with required applications.
• Automate infrastructure provisioning using Terraform and Ansible for consistent and repeatable deployments.
• Configure scheduled jobs using Jenkins and AWS Systems Manager (SSM) for instance lifecycle automation during non-business hours.
• Continuously monitor, troubleshoot, and improve infrastructure performance and reliability.
• Resolve operational issues across cloud and on-prem environments to ensure minimal downtime.
• Manage source code repositories using Git and Bitbucket, enforcing version control best practices.
• Configure Amazon S3 storage including bucket policies and lifecycle rules, and collaborate with security teams to manage IAM roles and permissions.
• Deploy and manage core AWS services including EC2, RDS, VPC, Security Groups, Auto Scaling, and Elastic Load Balancers.
• Build and maintain strong relationships with internal and external clients, ensuring service delivery aligns with SLAs and compliance standards.
• Create monitors, alarms, and notifications for various metrics across multiple resource types using Datadog and CloudWatch.
• Ensure adherence to DevOps best practices, security policies, and operational standards.
• Collaborate with internal teams and stakeholders to gather requirements and implement robust technical solutions.

• Architected and managed AWS infrastructure using CloudFormation, Service Catalog, Auto Scaling Groups, and Elastic Load Balancers.
• Automated patching, backups, and software deployments using AWS Systems Manager (SSM), Lifecycle Manager, and Run Command.
• Implemented monitoring and alerting with CloudWatch; managed IAM roles, KMS encryption, and cost optimization strategies.
• Administered Windows and Linux systems, including Active Directory, DNS, DHCP, SSH, and system performance tuning.
• Utilized Veeam for backup and recovery, Dell DRAC for remote server management, and Hyper-V for virtualization.
• Remediated OS-level vulnerabilities and ensured compliance across hybrid environments.
• Proficient in Terraform, Ansible, Jenkins, Git, Bitbucket, Bash, and PowerShell scripting.
• Accomplishments:
• Established AWS landing zone in China and Sydney regions.
• Build over 200 servers and cloned around 50 instances as part of company separation.

• Worked on User Request Management & Incident Management System using BMC remedy & Servicenow.
• Supported for Security team in cyber threats related issues in clients.
• Solving End User Problems using remote control software such as Skype for business, VNC and Team Viewer.
• Support on Avecto related issues on priority basis and validating applications add rule / Elevated access to user requests and tickets.
• Maintaining Asset Management Process and Procurement workflows.
• Installing & Managing MFA for user on Mobilepass console.
• Supported and troubleshoot MAF Sign-in issues
• Co-coordinating with vendor and with other team member to fix the Major and Critical incident tickets.
• Responsible and troubleshooting DHCP & DNS server related issues.
• Installing and troubleshooting Cisco IPT desk phones and soft phone.
• Responsible for network related issue and configure.
• Accomplishments:
• Migrate 150 laptops from Windows 7 to 10.
• Replaced 80 laptops with new machines as part of Hardware refreshment.

• Handling Desktop, Laptop Issues from remote location.
• Installing, Upgrading & Troubleshooting of Software through Remote.
• MS Outlook Configuration and doing Mail Related Issues
• Configuring and Troubleshooting Cisco IP Phones.
• IPhone, Blackberry configuration and troubleshooting.
• Installing & Trouble shooting client application on Mobile (Mobile Iron, Good App BES10)
• Trouble shooting SCCM (System Center Configuration Manager) on desktop and Laptop.
• Advertise Software through SCCM.
• Handling user VDI profile in VMware console and troubleshooting.
• Handling ticket through Service Now for IM (Incident Management) with in SLA time.

• Attend daily infrastructure call with clients on availability of the tool
• Maintaining Workstations as per 6S standard.
• Setup security policies for users.
• Quickly arrange repair for hardware in occasion of hardware failure
• Create a backup and recovery policy
• Administrating Active Directory and print services.
• Perform User Admin Activities (resetting passwords, unlocking accounts)
• Ensuring P1 & P2 tickets are dealt with quickly by team and provide risk analysis to stop future issues.
• Coordinate with internal and external customers as necessary
• Setup security policies for users workstations (SCCM client, HIPS, Antivirus, Microsoft Components)
• Mobile Device Support (Android, iPhone, iPad, Blackberry) for Enterprise E-Mail Activation
• RSA Token Maintenance
• Configuring and Troubleshooting Handheld Devices.

• Tier1 Technical Support for Employees all over India.
• Support Includes troubleshooting of Computer Hardware and Software Issues
• Handling Incidents and prioritizing as per the business Impact.
• Follow escalation procedure to bring more attention to unattended incidents.
• Diagnosing problems with resolutions, escalating to appropriate group for In-Depth Support as per the customer demand.
• Configuring emails to end Users
• Backing up respective Data
• Utilization of technical and customer handling skills to provide quick solution and better suggestions.