Debalina Ghosh

WORK HISTORY

EDUCATION

ABOUT DEBALINA GHOSH

I am an experienced AWS Infrastructure Engineer (network engineer)in SAP Digital Interconnect project under MindTree LTD. Certification:• Cisco® Certified Network Associate (CCNA) and Implementing Cisco IP Switched Networks [ Cisco ID : CSCO12••••33 ] • Amazon Certified Solution Architect – Associate Roles and responsibilities:• Working with DevOps team to migrate on-prem infrastructure to AWS cloud infrastructure • Building Network infrastructure for AWS Cloud Environment. • Hands on experience with -VPC, TGW, ELB, ALB, NLB, EC2, ECS, WAF, Route53, CloudFront, AWS Config, CloudWatch, AWS CloudTrail, VPC Log, S3, Auto Scaling, Elasticsearch, Lambda, RDS(MySQL), AWS Organization, RAM, IAM & SNS services. • Basic knowledge on AWS Direct connect, Elasticache, API Gateway, SSO, Route 53 Resolver, CI/CD using CodePipeline & Elastic Beanstalk services. • Expertise in architecting secure VPC solutions (subnet, routing table, internet gateway, Nat gateway, network ACL, security group) in AWS using automation (Ansible or Terraform). • Configure Load balancer for application deployment (ALB & NLB) using Ansible or Terraform. • Hands on experience in implement NACL and SG as per customer requirement using Ansible or Terraform. • Configure AWS Firewall Manger for managing VPC Security Groups. • Configure Web Application Firewall for ALB. • Create VPC Peering connection. • Create IPsec VPN between AWS and on premise / customer. • Create Transit Gateway and monitor the network using Network Manager. • Configure AWS Config, CloudTrail & VPC Logs. • Monitor CloudWatch logs, create alarm for any event. • Troubleshooting connectivity issue in AWS using VPC Logs (analyze using Elasticsearch & Kibana). • Create VPC Endpoint and PrivateLink for AWS services. • Configure AWS Organization to manage SCP. • Experience in managing IAM policies, create user, assign roles. • Deploy Elastic Container Service (using Docker) and Elastic Kubernetes Service (using Kubernetes) cluster (EC2/Fargate) behind ALB for application. • Automation using Lambda and python script. • Taking care of SAP Digital Interconnect network part across seven the data centers. • Implementing ACL, NAT, IPSEC VPN in Cisco ASA Firewall. • Dealt with monitoring tools like SolarWinds Orion & ThousandEyes. • Troubleshooting of complex LAN/WAN infrastructure, including routing protocols OSPF & BGP. • Troubleshooting customer connectivity issue using Packet capture like Wire-shark. • Used JIRA to track issues & change management.