Summary
Overview
Work History
Education
Skills
Websites
Certification
Accomplishments
Timeline
Generic

Sheersha Das

Bengaluru

Summary

Resourceful Site Reliability Engineer with over 7 years of experience managing enterprise-grade SaaS applications in hybrid environments. Expertise in both Linux and Windows server administration alongside substantial proficiency in AWS and Azure platforms. Recognized for achievements in application deployment, incident triage, and root cause analysis, as well as for mastering CI/CD tools, infrastructure automation, and monitoring solutions. Committed to enhancing system reliability and compliance, with a strong focus on continuous improvement and customer satisfaction.

Overview

7
7
years of professional experience
1
1
Certification

Work History

Specialist | DevOps-SRE in Digital Engineering

LTIMINDTREE
Bengaluru
06.2024 - Current
  • Managed hybrid cloud deployments across Azure and AWS environments, provisioning and managing compute, storage, and networking resources for enterprise workloads.
  • Integrated Dynatrace, New Relic, Prometheus and Grafana to track application health, setup SLI/SLO, infrastructure KPIs and proactively monitoring system health, custom application metrics ensuring service-level objectives (SLOs) were met.
  • Handled the procurement, renewal, and deployment of SSL/TLS certificates across environments, mitigating security risks from expired or misconfigured certificates.
  • Facilitated release planning and deployment schedules, ensuring coordination across Dev, QA, and operations teams, while adhering to ITIL-based change management practices.
  • Collaborated with security teams to scan vulnerabilities regularly using internal tools and Azure Security Center, ensuring compliance remediated risks in line with enterprise security policies.
  • Integrated EAM applications with Active Directory for authentication of RBAC, ensuring secure and auditable access to critical systems, maintained group policies for secure access control and implemented SSO login with Azure ADB2C.
  • Automated recurring operational tasks (e.g., service restarts, log collection, backup validation, resource scaling) using PowerShell, Ansible, and Azure CLI to increase operational efficiency.
  • Created operational runbooks, SOPs, troubleshooting guides and knowledge articles for onboarding, incident response, and routine maintenance.
  • Acted as the frontline responder for production issues—triaging alerts, investigating root causes, diagnosing and restoring services promptly in collaboration with cross-functional teams with minimal business disruption.
  • Designed and maintained robust CI/CD pipelines using Azure DevOps and GitHub Actions.
  • Leveraged Azure Bicep templates to automate provisioning of cloud infrastructure, including virtual networks, storage accounts, AKS clusters, and App Services, ensuring consistency across multiple environments (Dev, Stage, UAT, Prod).

Cloud Engineer, SRE

Aptean India Pvt. Ltd.
Bengaluru
04.2021 - 06.2024
  • Reduced server downtime by proactively monitoring cloud resources via New Relic, Splunk, Solar Winds, Opsgenie, Nagios and Dynatrace addressing potential issues.
  • Collaborated closely with cross-functional teams during major incident response efforts, ensuring timely resolution of critical issues affecting business operations.
  • Assisted in migration projects from AWS to Azure cloud environments, ensuring minimal disruption to business operations.
  • Led capacity planning activities for multiple projects simultaneously while balancing budgetary constraints and performance requirements.
  • Developed custom scripts for automating routine tasks, increasing team productivity and reducing manual errors. Automated application deployment using Ansible playbooks.
  • Deployed web applications and configuring them to run on Tomcat server and managed Tomcat infrastructure and ensuring high availability and performance.
  • Worked on Certificate renewals and applying on applications based on IIS servers.
  • Experienced in automating database backups running on server through scripts and moving them to blob storage.
  • Planned delivery of on-premises to cloud migration for multiple clients of various sizes.
  • Worked on deployment of containerized Docker based applications and orchestration via Kubernetes Service.

Senior Systems Engineer

Cognizant Technology Solutions
Pune
12.2017 - 03.2021
  • Optimized custom software solutions tailored to specific client needs, boosting user satisfaction rates significantly and consolidating systems for cost savings and increased efficiency.
  • Developed comprehensive disaster recovery plans to minimize downtime in the event of a crisis.
  • Streamlined troubleshooting processes to improve system support and enhance communication between support team and end-users.
  • Monitored and tested application performance to identify potential bottlenecks, develop solutions and collaborate with developers on solution implementation.
  • Mentored junior engineers in advanced concepts, fostering professional development within the team.
  • Collaborated with cross-functional teams to deliver innovative solutions for business needs.
  • Worked with VMware - V center Hyper-V configuration and Service-now and Azure Kanban board as ticketing tool, exporting reports, creating incidents and change requests (Normal/Standard/Emergency).
  • Experienced in renewing, revoking and binding of SSL certificates to the host ports. Handled various incidents generated for file pending, web services, JVM logs, database connection interruption, robot inactive and unable to spool alerts, etc.
  • Worked on SSMS (SQL server management studio) for the deployed files for QNXT and TPA applications along with SoapUI for web services communication.

Education

Bachelor of Technology - Information Technology

Calcutta Institute of Engineering and Management
Kolkata, India
08.2017

Higher Secondary Education -

Patha Bhavan
Kolkata, India
06.2013

National High School For Girls -

Kolkata, India
03.2011

Skills

  • Linux
  • Windows Server Administration
  • Azure
  • AWS
  • Terraform
  • Azure Bicep
  • ARM Templates
  • Ansible
  • Reliability
  • Azure DevOps
  • Git, GitHub Actions
  • Jenkins
  • Docker
  • Kubernetes
  • Service-Level Objectives
  • Dynatrace, New Relic, Splunk, Nagios

Certification

  • AZ-900 Microsoft Azure Fundamentals, 05/01/23
  • AWS - Solutions Architect Associate, 12/01/19

Accomplishments

  • Awarded 'Best New Comer for Healthcare-Infra' title in the first quarter of my professional career in Cognizant.
  • Awarded 'Above and Beyond' title for banking and financial services for exceptional performance in Cognizant.

Timeline

Specialist | DevOps-SRE in Digital Engineering

LTIMINDTREE
06.2024 - Current

Cloud Engineer, SRE

Aptean India Pvt. Ltd.
04.2021 - 06.2024

Senior Systems Engineer

Cognizant Technology Solutions
12.2017 - 03.2021

Bachelor of Technology - Information Technology

Calcutta Institute of Engineering and Management

Higher Secondary Education -

Patha Bhavan

National High School For Girls -

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Sheersha Das