Tattwadarshi Jena

AWS DevOps Engineer 10/2023 to Current
CBA – Bangalore, India
• Project Name: Payment gateway devops Engineer
• Roles & Responsibilities:
Terraform & AWS Services: Utilized Terraform to create and manage AWS services, ensuring no
disruption to existing infrastructure.
Deployed and managed AWS services such as IAM, S3, EC2, Lambda, VPC, EKS, ALB.
Updated, and deleted AWS resources.
•
CI/CD & DevOps Implementation: Designed and implemented CI/CD pipelines for the
Inventory and Automate application using AWS DevOps in a Kubernetes container
environment.Utilized tools like Git, Jenkins, GitLab, Argo CD to automate software delivery
processes.Developed and maintained various AWS DevOps-related tools, deployment
scripts, and provisioning scripts.
•
Configured and managed AWS DevOps services, including collaborative code
development, build, test, and deployment.
•
Kubernetes & Docker:Structured AutoScaler for AWS Kubernetes Service (EKS) using Terraform.
Managed the deployment, scheduling, and scaling of pods and replicas in EKS.
Developed YAML scripts for continuous integration and deployment in AWS Kubernetes
Services (EKS).Optimized Kubernetes clusters for performance, scalability, and reliability.
•
IaaS, PaaS & SaaS Automation:Designed and automated AWS Infrastructure as a Service
(IaaS) and Platform as a Service (PaaS) capabilities, including virtual machines, container
services, virtual networks, and cloud services.
Used Terraform along with Packer to create custom machine images and Ansible to install
software dependencies post-infrastructure provisioning.
Deployed AWS IaaS VMs and Cloud services (PaaS role instances) into secure VNets and
subnets.
•
Monitoring & Optimization:Utilized Monitoring tools such as AWS Log Analytics, Prometheus,
CloudWatch,Grafana,Appdynamics and AWS Service Health to diagnose and minimize
service degradation.Set up desired alerts to proactively identify and address performance
bottlenecks, security vulnerabilities, and other issues.
•
Implemented monitoring strategies to ensure high availability and scalability of the
infrastructure.
•
Networking & Security:Designed and managed secure network architectures, including
VPCs, subnets, security groups, and network ACLs.
•
Managed AWS Kubernetes Services (EKS) policies, providing access to different AWS
resources.Implemented best practices for networking and security to ensure the protection
and reliability of cloud infrastructure.
•
• Version Control & Collaboration:Worked with version control tools such as GIT and Jenkins.
Managed source control processes, including branching, tagging, and merging.
Developed build and deploy scripts using MAVEN and activated them using Jenkins to
migrate between environments.
•
Documentation & Best Practices:Documented infrastructure configurations, procedures, and
best practices.
•
Stayed updated with emerging technologies and industry best practices, recommending
improvements to enhance system reliability and efficiency.
•
Site Reliability :Ensured the reliability and availability of cloud infrastructure through proactive
monitoring and incident response.
Developed and implemented automated recovery procedures to handle infrastructure
failures and minimize downtime.
•
Performed capacity planning and load testing to ensure systems can handle peak traffic
and scale accordingly.
•
Collaborated with development teams to incorporate reliability best practices into the
software development lifecycle.
•
Conducted post-incident reviews to identify root causes and implement corrective actions to
prevent future occurrences.
•
Technical Proficiency: Strong skills in AWS services and extensive experience with Terraform for
infrastructure management.
Excellent troubleshooting skills for diagnosing and resolving complex infrastructure and
application issues.
•
Collaborated closely with development and operations teams to ensure seamless integration
and performance of cloud infrastructure.

Project Name: Ordering And Palinode

Roles & Responsibilities:

Cloud Architecture & Implementation:

• Designed and implemented Janus & Orion applications using AWS Solutions across various cloud models .
• Integrated on-premises and on-demand workloads with AWS public cloud.
• Developed a high availability architecture utilizing AWS Classic and AWS Resource Manager deployment models.

Site Reliability :

• Developed and implemented SLOs, SLIs, and SLAs to monitor and maintain service reliability and performance.
• Automated routine maintenance tasks and incident responses to ensure system reliability and efficiency.
• Monitored system performance and reliability using New Relic and Appdynamics, implementing improvements to reduce downtime and enhance service quality.
• Conducted root cause analysis for incidents and developed strategies to prevent recurrence.
• Ensured optimal performance and reliability of infrastructure through proactive capacity planning and performance tuning.

Microservices & Continuous Delivery:

• Built Janus Microservices in a Continuous Delivery environment using AWS and Docker.
• Established a Microservice architecture for application development.

Infrastructure & Provisioning:

• Extensively involved in building and installing servers, and creating multiple resources in AWS via AWS Resource Manager Templates (ARM) and AWS Portal.
• Provisioned resources using Terraform templates.
• Configured Virtual Networks, Endpoint Security, and Firewalls.

Version Control & DevOps:

• Managed Janus application version control, build & release management, and deployments to DEV, QA, and PROD environments using AWS DevOps/VSTS principles and toolsets (CI/CD).
• Leveraged tools such as Visual Studio, AKS (AWS Kubernetes Service), Application Insights, and Log Analytics.
• Implemented infrastructure as code using Terraform for provisioning virtual networks, subnets, VM Scale sets, load balancers, and NAT rules.

Networking & Security:

• Designed and managed secure network architectures, including VPCs, subnets, security groups, and network ACLs.
• Managed AWS Kubernetes Services (EKS) policies, providing access to different AWS resources.
• Implemented best practices for networking and security to ensure the protection and reliability of cloud infrastructure.

Automation & Integration:

• Developed build and deploy scripts using Maven and Jenkins to facilitate environment transitions.
• Integrated Ansible with Jenkins for automation, continuous integration, and continuous deployment, writing playbooks using YAML scripting.
• Implemented Jenkins workflows and plugins for repeatable deployments of multi-tier applications, artifacts, and services to Docker.

Containerization & Orchestration:

• Integrated Docker container orchestration using Kubernetes by creating pods, ConfigMaps, and deployments.
• Automated Kubernetes cluster management with Ansible, deploying clusters in cloud/on-premises environments.

Code Management & Monitoring:

• Developed GIT for local repository management, code commits, and pushes to GitHub.
• Used New Relic and Appdynamics APM for log aggregation and analysis on different application servers.

Ticketing & Issue Tracking:

• Experienced in using JIRA for ticketing, defect tracking, and configuring workflows, customizations, and plugins.
• Integrated Jenkins with JIRA, GitHub, and Maven for streamlined development processes.