Raja Bhattacherjee

• Automated application deployment CI/CD by using Jenkins with AWS Kubernetes (EKS)
• Build and automate Infrastructure using IAC
• Managed deployment/scaling of EKS (Elastic Kubernetes Service) cluster
• Contributed to product improvement initiatives by providing valuable insights based on hands-on experience with various cloud engineering tools and frameworks.
• Enhanced cloud infrastructure efficiency by implementing advanced automation techniques and tools.
• Reviewed existing systems and made recommendations for improvements.
• Understood client needs and objectives by conducting proactive customer and data analysis.
• Provided 2nd and 3rd level technical support and troubleshooting to internal and external clients.

• Orchestrate provisioning, load balancing, monitoring, and spend optimization of servers in cloud environment
• Managed deployment/scaling of EKS cluster
• Automatedapplication deployment CI/CD by using Jenkins with AWS ECS
• Created
• CloudFormation and Terraform (v0.11/v0.12) template for all microservices setup and lambda deployment.2
• Actively manage, improve, and monitor cloud infrastructure and services on AWS includes VPC, EC2, S3, ECS, ECR, SQS, Lambda, CloudWatch, IAM
• CloudFormation, and RDS
• Developing an ansible playbook to configure, deploy and maintain system components of the existing infrastructure
• Setup Icinga/Nagios for monolithic application servers.

• Architecting of multi‑tier application as per client’s Need on AWS Cloud
• Development experience in building and/or maintaining CI/CD pipelines for Angular, Node.js or Dotnet with Jenkins or AWS tools
• Setup and Management of systems and application monitoring with Nagios, CloudWatch, ELK
• Setup & deployment of micro services on ECS and K8 cluster
• Daily task related to Amazon Web Services (EC2, ELB, VPC, S3, IAM, Auto scaling, ECS, CloudFormation, Lambda)
• Daily deployment with CloudFormation stacks
• Code pipeline, and Jenkins on Multiple Environment
• Management and troubleshoot on daily JIRA requests/task as per SLA and Daily Development task as per Sprint’s story points of AWS Landing Zone.

● Configure and create alerts scripts with Shell in icinga/nagios.

● Responsible for managing deployment using Jenkins.

● Experience in AWS using EC2, S3, ELB, VPC, CodePipeline, Cloudwatch, CloudFormation and IAM services.

● Create and manage instances on Google cloud platform/Azure

● Handled Puppet Configuration Management Create user/remove user, Install /Remove packages

and package updates, Configure multi nodes.

● Created and configured VM ,cloning/template using XEN.

● Written icinga event handler for different services

● Resolving regular tasks using Shell scripting.

• Setup/Managing Linux Servers on AWS (EC2, EBS, ELB, Security Groups and IAM).
• Provisioning EC2 instances using AMI's of Linux, Ubuntu, RHEL, and Custom AMI’s.
• Designing and deploying scalable, universally available and fault tolerant systems on AWS.
• Experienced in creating multiple VPCs and public, private subnets as per requirement.
• Create/Manage buckets on S3, which are required to serve as static content for a web application.
• Use IAM for creating roles, users, groups & also implement MFA to provide additional security to
  AWS account and its resources.
• Monitoring the performance of environment with Cloud Watch.
• Streamlined workflows through the integration of new technologies and tools into existing systems.