Roshan Joseph Kaitharath

Breakglass Step Functions Management: Migrated Breakglass step functions from CloudFormation to Terraform automation, enhancing deployment ease and management.

Disaster Recovery Improvements: Improved deployed server's DR process by deploying new instances in different AZs, ensuring smooth service reinitialization and minimal downtime.

Upgraded RHEL8 Servers: Successfully completed the upgrade of RHEL7 to RHEL8 for multiple servers, ensuring a smooth transition with minimal downtime.

Automation & Tools: Utilized Jenkins, Packer, and Terraform to automate the creation of new RHEL8 Amazon Machine Images (AMIs) and managed the deployment process.

Automation: Developed Python scripts to automate, significantly reducing manual intervention and alerting BAU teams upon script failure.

Terraform Fixes: Resolved long-standing Terraform issues with some deployments.

Auto Basebuild: Implemented auto basebuild updates for servers as part of security in Dev and PPE environments, and extended the solution to production.

Lambda Runtime Upgrades: Upgraded Lambda functions from deprecated to stable versions, enhancing security and functionality.

Auto AMI Updates: Implemented auto AMI updates for servers in production, using Python Lambda functions.

Cloudwatch Monitoring for Lambda: Added and updated Cloudwatch monitoring for Lambda functions, ensuring automatic monitoring for future deployments.

SSL Renewals: Coordinated SSL renewals with stakeholders, ensuring smooth updates and minimal downtime.

Documentation: Created and updated documentation for various services, improving team understanding and future reference.

BAU Support: Assisted with various Business as Usual (BAU) tasks to maintain service uptime, enabling business continuity.

Team Collaboration: Supported team members with Terraform tasks and improvements, ensuring efficient ticket resolution and implementation of best practices.

• Cloud Migration: Planned, migrated, and tested the Attack Surface Management Service from one AWS account to another, ensuring a smooth transition with minimal downtime.
• Database Management: Deployed, managed, and restored various databases including NeptuneDB, DynamoDB, RDS, and MongoDB.
• Infrastructure as Code: Utilized CloudFormation and Terraform for deploying AWS applications, ensuring consistent and repeatable infrastructure setups.
• Container Orchestration: Managed containerized applications using ECS Fargate and EKS, improving deployment efficiency and scalability.
• Serverless Applications: Deployed Lambda functions using both zip files and Docker images for various application needs.
• Cloud Infrastructure Design: Designed and managed both public and private cloud infrastructures, balancing security, performance, and cost.
• IAM Management: Created and managed custom IAM users, roles, policies, and groups, ensuring secure and efficient access control.
• Elasticsearch: Managed Elasticsearch clusters, maintaining and optimizing performance for search and analytics operations.
• Collaboration: Worked closely with product development teams and stakeholders to deploy multiple projects, aligning with business goals and timelines.
• AWS Best Practices: Implemented best practices for AWS infrastructure focusing on reliability, performance efficiency, and cost optimization.
• Monitoring & Alerts: Monitored AWS services using CloudWatch and CloudTrail, creating alarms and notifications via SNS to ensure prompt issue resolution.
• Secrets Management: Managed secrets and passwords using AWS Secrets Manager, maintaining secure access to databases and applications.
• S3 Management: Created and managed S3 buckets with appropriate permission policies, ensuring data security and accessibility.
• CI/CD Automation: Implemented build automation using GitLab and Jenkins, streamlining the development and deployment processes.
• Environment Management: Deployed, tested, and documented development, pre-production, and production environments, ensuring consistency and reliability.
• On-Premise Server Maintenance: Maintained on-premise servers including SSL renewals and monitoring, ensuring continuous operation.

• AWS Cloud Infrastructure Management: Oversee and manage AWS cloud infrastructure using Terraform, ensuring scalability, reliability, and security.
• Server Maintenance: Maintain and optimize game servers on both Linux (Debian) and Windows platforms, ensuring high availability and performance.
• Bash Scripting: Develop bash functions for the installation and management of various game servers including Minecraft, CS, and Farming Simulator on Windows and Debian.
• Dedicated Server Setup: Create bash functions to set up gaming server environments on OVH dedicated servers, enhancing gaming experiences and server performance.
• System Monitoring and Management: Implement and manage bash scripts for monitoring and managing Debian OS, Windows Servers (2016/2019), game servers (Minecraft, CS), and voice servers (Mumble, Teamspeak).
• Version Control: Utilize Bitbucket for version control and deployment of scripts, ensuring consistent and reliable updates across all servers.