Summary
Overview
Work History
Education
Skills
Certification
Academiccredential
Disclaimer
Timeline
Generic
Balachandar Gunasekaran

Balachandar Gunasekaran

Devops And Cloud Engineer

Summary

DevOps & Cloud Engineer with over [5] years of experience in architecting, automating, and optimizing mission-critical deployments over large infrastructures. Extensive expertise in managing and deploying applications in cloud environments (Azure,AWS and Ali cloud) and implementing continuous integration/continuous delivery (CI/CD) pipelines. Highly skilled in Kubernetes setup, management, and orchestration of microservices architectures. Proven ability to lead teams, design scalable systems, and streamline operations through automation.


Additionally, possess 7 years of experience as an AS400 Developer, specializing in system analysis, design, and development. Adept at working with RPG, CL, and DB2, with a strong track record of delivering reliable and efficient software solutions.

Overview

13
13
years of professional experience
4
4
Certifications

Work History

Senior DevOps & Cloud Engineer

Cognizant
7 2021 - Current
  • Led the architecture, implementation, and management of multi-cloud environments (AWS and Azure) supporting 3 mission-critical applications, ensuring 99.9% uptime.
  • Designed and implemented CI/CD pipelines using Jenkins, Azure DevOps, and AWS CodePipeline, reducing deployment time by [specific percentage]%.
  • Automated infrastructure provisioning using Terraform and CloudFormation, resulting in a [specific percentage]% decrease in manual configuration errors.
  • Migrated on-premises applications to cloud environments (AWS and Azure), optimizing resource utilization and reducing operational costs by [specific percentage]%.
  • Orchestrated containerization and microservices architecture using Docker and Kubernetes, improving scalability and maintainability of applications.
  • Set up and managed Kubernetes clusters on both AWS (EKS) and Azure (AKS), including cluster upgrades, monitoring, and scaling.
  • Developed and managed Helm charts for deploying and managing complex Kubernetes applications, ensuring consistency and repeatability across environments.
  • Implemented Kubernetes security best practices, including Role-Based Access Control (RBAC), Network Policies, and Pod Security Policies, to secure workloads.
  • Integrated service mesh (Istio/Linkerd) for advanced traffic management and observability within Kubernetes clusters, enhancing service reliability and performance.
  • Implemented monitoring and alerting solutions using Prometheus, Grafana, and the ELK Stack, enabling proactive identification and resolution of issues.
  • Developed and enforced security best practices across cloud and Kubernetes environments, including the implementation of IAM roles, VPC configurations, and automated security assessments.
  • Implemented monitoring and alerting solutions using Prometheus, Grafana, and the ELK Stack, enabling proactive identification and resolution of issues.
  • Developed and enforced security best practices across cloud environments, including the implementation of IAM roles, VPC configurations, and automated security assessments.

DevOps Engineer

Cognizant
10.2019 - 07.2021
  • Assisted in the development and maintenance of CI/CD pipelines using Jenkins, GitLab CI, and Azure DevOps, leading to a [specific percentage]% improvement in deployment speed.
  • Collaborated with development teams to automate the deployment process using Docker and Kubernetes, reducing deployment errors by [95]%.
  • Managed and monitored cloud resources on AWS and Azure, ensuring high availability and performance.
  • Wrote and maintained scripts using Bash and Python to automate routine tasks, reducing manual intervention by [specific percentage]%.
  • Supported the integration of monitoring tools like Prometheus and Grafana to provide real-time insights into system performance.
  • Worked with configuration management tools like Ansible and Terraform to automate infrastructure provisioning and configuration.

Cloud Migration Engineer

Cognizant
01.2019 - 09.2019
  • Assisted in the migration of on-premises servers and applications to Azure cloud, ensuring minimal downtime and data integrity.
  • Utilized Azure Migrate and Azure Site Recovery to assess and execute migration strategies, achieving [specific outcome, e.g., 99.9% system uptime post-migration.
  • Supported the setup and configuration of Azure Virtual Machines, Virtual Networks, and other essential cloud resources.
  • Collaborated with senior engineers to troubleshoot and resolve migration-related issues, improving overall process efficiency.
  • Created and maintained documentation for migration processes and best practices.
  • Implemented Azure policies and security measures, including RBAC and network security groups, to protect cloud resources.

AS400 Techno function consultant

Cognizant
07.2014 - 12.2018
  • Managed client relationships through regular check-ins and updates on project progress.
  • Collaborated with cross-functional teams to successfully deliver comprehensive solutions for clients.
  • Evaluated client needs and expectations, establishing clear goals for each consulting engagement.
  • Developed innovative strategies for clients, resulting in increased revenue and business growth.

AS400 Programmer

Mindtree Ltd
09.2013 - 07.2014
  • Consistently met project deadlines by effectively managing priorities and maintaining a strong work ethic.
  • Participated in peer code reviews, providing constructive feedback aimed at improving the quality of team deliverables.
  • Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance.

AS400 Programmer

United Techno Info Systems
12.2011 - 09.2023
  • Consistently met project deadlines by effectively managing priorities and maintaining a strong work ethic.
  • Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance.
  • Identified opportunities for process improvement, leading to a more efficient development cycle.
  • Enhanced software functionality by identifying and resolving complex coding issues.
  • Analyzed existing codebases, recommending improvements based on industry best practices.

Education

Bachelor of Technology - Information Technology

Anna University
India
04.2001 -

Skills

Azure

AWS

Docker

Kubernetes

Jenkins

Terraform

Ansible, Chef, Puppet

Shell Scripting

Python

Prometheus, Grafana, ELK Stack (Elasticsearch, Logstash, Kibana), CloudWatch

Security: IAM, VPC, Security Groups, Firewalls, SSL/TLS, Identity & Access Management, Kubernetes Security (Pod Security Policies, Network Policies)

Networking: DNS, Load Balancers, VPC, VPN, Subnetting, Kubernetes Networking (CNI, Calico, Flannel)

Jira

Git, Github and Github Actions

Helm

Certification

Microsoft Azure Fundamentals AZ-900

Academiccredential

B TECH (IT) from Sri Venkateswara college of Engineering in 2011

Disclaimer

I hereby declare that all the details and particulars furnished above are correct to my knowledge.

Timeline

DevOps Engineer

Cognizant
10.2019 - 07.2021

Cloud Migration Engineer

Cognizant
01.2019 - 09.2019

AS400 Techno function consultant

Cognizant
07.2014 - 12.2018

AS400 Programmer

Mindtree Ltd
09.2013 - 07.2014

AS400 Programmer

United Techno Info Systems
12.2011 - 09.2023

Bachelor of Technology - Information Technology

Anna University
04.2001 -

Senior DevOps & Cloud Engineer

Cognizant
7 2021 - Current

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Balachandar GunasekaranDevops And Cloud Engineer