Summary
Overview
Work History
Education
Skills
Websites
Awards
Languages
Accomplishments
Certification
Projects
Timeline
Generic
Subhajit Datta

Subhajit Datta

Pune

Summary

Experienced in Application Support and Infrastructure Engineering, I have nine years of demonstrated proficiency within product-based organizations. My expertise lies in Production Support and Server Infrastructure Management across both On-Premises and AWS Cloud environments. With a comprehensive understanding of IT Infrastructure monitoring, hosting operations, and deployment of DevOps CI-CD Pipelines, as well as SRE in SaaS-based environments, I am dedicated to assisting clients in achieving business agility and adaptability. Additionally, I am skilled in issue resolution and adept at fostering collaboration between Development and Operations teams.

Overview

10
10
years of professional experience
1
1
Certification

Work History

System Administrator, Professional

Fiserv India Private Ltd
PUNE
05.2019 - Current
  • Change Implementation: Deploying application-related artifacts and hotfixes to production environments within approved release windows.
  • Provisioning and configuring cloud and on-prem resources according to established standards and best practices for scalability, reliability, and security.
  • Collaborating with development and QA teams to troubleshoot technical issues and deliver timely resolutions.
  • Supporting new customer onboarding and UAT testing by the Product and Regional customer support teams.
  • Documenting processes, procedures, and configurations for cloud and on-prem infrastructure provisioning and support, and providing training to team members as needed.
  • Providing technical support for both on-prem and cloud infrastructure, troubleshooting issues, and resolving incidents to ensure uninterrupted service availability.
  • Participating in on-call rotations, responding to and resolving incidents to minimize downtime and ensure service reliability.
  • Working with DevOps team on continuous integration and delivery pipelines using Jenkins, GitHub CI/CD, and similar tools to increase deployment frequency and reliability.
  • Monitoring and maintaining Kubernetes clusters using Prometheus and Grafana, and on-prem and cloud infrastructure using CloudWatch, Splunk, Dynatrace to ensure optimal performance and scalability.
  • Initiating and managing new change tickets, coordinating approvals including CAB (Change Advisory Board) approvals.

Application Support Enginner L2

MicroTelecom Consulting LLP
PUNE
07.2017 - 04.2019
  • Oversaw performance of frontend and backend servers, troubleshooting business-level issues
  • Collaborated with the Development/QA/BA team to provide technical guidance and advice
  • Conducted testing and sanity checks on new packages, builds, CRQs, and hot fixes before production server deployment, offering post-deployment support
  • Managed and deployed WEB, APP, and Batch servers to ensure optimal performance
  • Efficiently handled production tickets and provided support via email
  • Interacted with clients including US Cellular, SingTel, Globe Telecom, Metro PCs, and Three Ireland (Hutchison) Limited to ensure smooth project execution.

Technical Support Engineer

HSBC Software Development India Pvt LTD
PUNE
09.2016 - 06.2017
  • Provided technical support to end users by troubleshooting software issues, resulting in a 95% customer satisfaction rate
  • Implemented system upgrades, software installations, and Operating System Patching ensuring optimal performance and security of desktop systems
  • Configured and maintained network connections, printers, and peripheral devices for seamless integration with desktop systems
  • Collaborated with cross-functional teams to develop and implement IT solutions, improving efficiency and productivity across the organization.

Technical Support Engineer

Tata Consultency Services
KOLKATA
05.2014 - 03.2016
  • Provided timely and efficient technical support to clients, resolving software issues to ensure minimal downtime and maximum productivity
  • Collaborated with cross-functional teams to troubleshoot complex technical problems, utilizing strong problem-solving skills and industry knowledge
  • Conducted thorough system diagnostics and performance testing to identify root causes of technical issues and implement effective solutions
  • Managed and documented support tickets in a timely manner, ensuring accurate tracking and resolution of all client inquiries and issues.

Education

Computer Application - MCA

Jaipur National University
03.2017

Computer Application - BCA

Punjab Technical University
03.2013

Skills

ITSM Tool - Service Now
Version Control - GitHub
Containerization - Docker
Orchestration - Kubernetes
Cloud - Azure
Cloud - AWS
CI/CD - Jenkins
Monitoring - Splunk
Scripting - Bash,Powershell
Databases - SQL Server
IaC - Ansible and Terraform
On-Prem - VMware
OS - Windows, Linux

Awards

12/2021, Employee of the Year, Fiserv

Languages

Hindi
First Language
English
Upper Intermediate (B2)
B2

Accomplishments

Fiserv Employee of the Year Award, 2021

* Recognized for outstanding contribution and performance.
* Specifically acknowledged for excellence in SaaS implementation and client support.

Certification

* Cloud Architect, Simplilearn, Certificate ID: 86285352, Date: November 6, 2023

* Microsoft Certified Azure Administrator Associate AZ: 104, Simplilearn, Certificate code : 4493864, September 5, 2023

* Designing Microsoft Azure Infrastructure Solutions AZ-305, Simplilearn, Certificate code : 4645821, November 14, 2023

* AWS Solutions Architect Associate, Simplilearn, Certificate code : 5065861, April 22, 2024

Projects

Project: Deployment of a Scalable Two-Tier Application on AWS EKS

Deployed a two-tier Flask/MySQL app to handle 10,000 concurrent users on AWS EKS.

· Dockerized the app and set up a Kubernetes cluster with kubeadm (v1.29), then deployed on EKS.

· Containerized the app using Docker and Docker Compose; pushed images to DockerHub.

· Automated Kubernetes setup with kubeadm and AWS EKS using eksctl.

· Packaged Kubernetes manifests with Helm and deployed on AWS EKS.

· Ensured high availability with a multi-node cluster and load balancing.

  • Achieved improved scalability, allowing the application to handle 10,000 concurrent users.
  • Reduced downtime by 75% through the use of AWS managed Elastic Kubernetes Service (EKS).

Project: Automated Deployment of MERN Application with microservices on AWS

Deployed a scalable MERN application on AWS, tasked with infrastructure setup, CI/CD, and DevOps best practices.

· Automate deployment of MERN app on AWS, ensuring version control, CI with Jenkins, and infrastructure management with Boto3.

· Containerized with Docker, pushed images to Amazon ECR.

· Version control: Used CodeCommit for repository.

· CI with Jenkins: Built Jenkins jobs for Docker images, triggered by CodeCommit commits.

· IaC with Boto3: Defined VPC, subnets, ASG, and Lambda functions.

· Deployed backend services: Utilized Boto3 to deploy on EC2.

· Created Lambda functions for tasks like DB backups.

· Set up EKS cluster, deployed app with Helm.

· Configured CloudWatch for monitoring and logging.

· Successfully scaled app to handle 25,000 users.

· Reduced downtime by 75% using AWS services.

· Automated deployment and monitoring processes, ensuring high availability and efficiency.

Timeline

System Administrator, Professional

Fiserv India Private Ltd
05.2019 - Current

Application Support Enginner L2

MicroTelecom Consulting LLP
07.2017 - 04.2019

Technical Support Engineer

HSBC Software Development India Pvt LTD
09.2016 - 06.2017

Technical Support Engineer

Tata Consultency Services
05.2014 - 03.2016

Computer Application - MCA

Jaipur National University

Computer Application - BCA

Punjab Technical University
Subhajit Datta