GEORGE THOMAS KODIATTU

Project #1 – Command Center and Infrastructure Operations

• Followed the ITIL framework for incident and service management.
• Provided 24/7 command center support for end-to-end infrastructure services.
• Monitored servers (Windows/Linux), network devices, applications, and job schedulers (Automic, Maestro).
• Responded to alerts, performed troubleshooting, and escalated critical issues.
• Managed major incidents, coordinated bridge calls, and ensured timely resolution.
• Communicated impact/status to stakeholders, business units, and senior management.
• Maintained incident records, and supported root cause analysis documentation.

Project #2 – Application and Server Management.

• Monitored applications, and ensured optimal performance in live environments.
• Built and deployed applications using Jenkins and Apache Tomcat.
• Handled PostgreSQL database operations and query updates.
• Performed SSL certificate renewals, and maintained technical documentation.

Project #3 – SRE and DevOps Operations.

• Worked as an SRE/DevOps Engineer, managing production environments.
• Monitored live applications and resolved issues via coordinated support.
• Managed Kubernetes operations, Jenkins pipelines, and deployments (Dev, QA, UAT).
• Analyzed traffic using MySQL, and automated alerting systems.
• Utilized GCP services, including Compute Engine, GKE, Dataflow, and Cloud Storage.

Project #4 – AWS Cloud Migration

• Worked on AWS cloud migration (banking domain – one pipeline migration).
• Migrated services to AWS (EC2, Lambda, Fargate).
• Built YAML configurations for automated deployments.
• Managed monitoring tools (AppDynamics, Datadog, New Relic, Logz.io).
• Configured AWS services: VPC, Route 53, ELB, S3, IAM, CloudWatch, and SNS.
• Deployed scalable infrastructure with Auto Scaling and load balancing.
• Created technical documentation (Runbooks, TDR, ARP), and supported deployments.

Project #5 – Smart City Infrastructure Management

• Supported infrastructure operations for smart city projects in India.
• Managed application deployments, server operations, and user access.
• Administered PostgreSQL databases and SonicWall firewall configurations.
• Supported patching, audits (STQC, IMAF), and compliance documentation.
• Coordinated with vendors and stakeholders for project execution.
• Maintained operational trackers, SOPs, and policy documents.

Project #6 – Equifax Legacy Infrastructure.

• Worked as an Infra Support Engineer managing all the Unix servers (Linux and CentOS) in the legacy infrastructure.
• Activity involved in the transition period while getting the KT from the third-party company.
• Provide training to teammates and be involved in creating multiple documents as part of the transition.
• Installed, configured, and maintained Linux-based production environments (RHEL, CentOS, Ubuntu), ensuring high availability and system reliability.
• Implemented security best practices, including firewall management, patching, and auditing, to secure Linux environments.
• Deployed and managed virtualization environments using Microsoft Hyper-V.
• Collaborated cross-functionally with developers, testers, storage team, backup team, etc.
• Responded to and resolved system incidents promptly, while conducting root cause analysis and implementing preventive solutions.
• Represented the technical team during Change Advisory Board (CAB) meetings to validate risk assessments.
• Contributed to Critical Incident Management workflows, providing real-time technical updates, and post-incident analysis.
• Proactive System Monitoring: Leveraged Datadog to build custom alerts, reducing incident response time by identifying performance bottlenecks before they impacted end users.
• Infrastructure & Lifecycle Management: Managed the full server lifecycle for physical and VM environments, including builds, OS upgrades/migrations (RHEL/CentOS), patching, and decommissioning (Phase 1 & 2).
• Storage & File System Operations: Worked in LVM, disk management, and ASM LUN additions for DB servers; resolved complex filesystem thresholds, and mounting issues.
• Security & Compliance: Automated the deployment and troubleshooting of security agents (SentinelOne, Qualys, CyberArk, Datadog), and managed OS vulnerabilities.
• System Performance & Networking: Monitored system health via Datadog, resolved NTP/DNS sync issues, and performed BIOS, firmware upgrades, and hardware troubleshooting.

Roles & Responsibilities – Linux System Administration

• Configured and installed Linux systems on VMware environments, enhancing system reliability through effective troubleshooting.
• Handled advanced system and network troubleshooting.
• Executed advanced system and network troubleshooting to resolve critical issues and minimize downtime.
• Created and managed virtual machine profiles and environments.
• Installed operating systems and configured required applications.
• Performed VMotion for seamless virtual server migration.
• Built and configured physical servers.
• Managed Logical Volume Management (LVM) and extended file systems online.
• Monitored system performance (CPU, memory, disk) and conducted root cause analysis.
• Conducted regular health checks and implemented remediation measures to maintain server security and integrity.
• Worked with Access Control Lists (ACL) for permission management.
• Managed package installations and updates using YUM/RPM.
• Configured network settings, including routing and Ethernet interfaces.
• Implemented network bonding for performance and redundancy.
• Streamlined operational workflows by implementing automation tools, enhancing system efficiency and reliability.
• Managed system configurations and updates to ensure optimal performance and security compliance.
• Monitored and resolved system issues proactively, reducing downtime and improving operational continuity.
• Collaborated with cross-functional teams to refine processes, driving improvements in service delivery.
• Streamlined operational workflows, enhancing efficiency and reducing turnaround times across departments.
• Developed training programs for new staff, improving onboarding efficiency and team performance.