Ganeshkannan R
Chennai
Summary
To Make a Sound position in corporate world and work enthusiastically in team to make goal of the organization with devotion, hard work and also to succeed in growth of an environment, excellence and earn a job which provides me job satisfaction and self-development.
Overview
7
7
years of professional experience
Work History
DevOps Engineer
HCL Technologies
Chennai
06.2022 - Current
- Configured and maintained cloud infrastructure on AWS and Azure, ensuring high availability, scalability, and performance
- Designed and implemented CI/CD pipelines (Dev/QA/Pre-Prod/Prod) using tools like Git, SonarQube, Jenkins, Docker, Kubernetes, Nexus, AWS ECR, and AWS ECS
- Managed AWS services, including EC2, S3, RDS, Lambda, VPC, IAM, CloudFront, SNS, Amazon EventBridge, Secrets Manager, AWS Glue, and AWS SageMaker
- Automated OS-level patching on Linux and Windows servers using AWS Systems Manager, improving efficiency and consistency
- Implemented LDAP configuration for Linux EC2 instances using Ansible Tower, automating user management and improving security
- Led an OS migration project for 200+ servers from CentOS 7.9 to RockyLinux 8.10, achieving zero data loss and minimal downtime
- Designed and implemented disaster recovery strategies to enhance system resilience and ensure business continuity
- Managed infrastructure as code (IaC) using Terraform and automated application deployments with Helm Charts in Kubernetes clusters
- Set up and maintained ECS Clusters, task definitions, and ECR repositories for containerized applications in AWS
- Configured Nexus Repository to store custom Docker images for production deployments
- Monitored infrastructure performance using Prometheus/Grafana and analyzed system logs to ensure system health
- Deployed and maintained Kubernetes clusters across multiple environments, ensuring seamless continuous deployments without downtime
- Implemented Apache web server with CORS configuration for application hosting
- Automated quality checks using SonarQube and configured notifications for failed quality gates to improve code quality
- Dockerized web applications and REST APIs by creating Dockerfiles and managing containerized microservices in Kubernetes
- Maintained and monitored Linux-based servers, including web, application, and database servers, ensuring smooth operations
- Documented processes and tracked issues using JIRA and Confluence for efficient sprint and task management
Assistant System Engineer
Tata Consultancy Services
Chennai
05.2020 - 06.2022
- Maintained Linux CentOS servers, including OS patching and software upgrades using Ansible playbooks based on vulnerability assessment reports
- Managed AWS services like EC2 (ELB, Auto Scaling, EBS), Route53, IAM, S3, CloudWatch, CloudFront, and SNS
- Provisioned and configured EC2 instances based on customer requirements, including security group management and attaching EBS storage
- Deployed web applications and implemented Amazon CloudFront for optimized delivery
- Enabled CloudWatch for monitoring EC2 instances and Elastic Load Balancers
- Performed disk management and volume management to ensure server uptime
- Implemented user management, log management, and SELinux configurations to enhance server security
- Performed system administration, maintenance, and engineering in large-scale enterprise server environments, including Linux, Red Hat, and CentOS
- Maintained Linux-based servers, both hardware and software, ensuring smooth operations
- Worked on essential network services such as DNS, NFS, Apache, NTP, Sendmail, and OpenSSH
System Engineer
Walgreens Boot Alliance
Bangalore
11.2017 - 02.2020
- Provided Level 1 and Level 2 technical support for Shell's applications and software via calls, email, and chat, ensuring timely resolution of issues
- Promoted to Level 2 support after consistent high performance and resolving complex technical challenges
- Managed end-to-end resolution for critical business user issues as part of the E2E team
- Troubleshot and maintained Shell's proprietary software products in both online and offline environments
- Collaborated with the Knowledge Management team, creating over 200 articles in ServiceNow, which were recognized by the client and internal management
- Worked with the Proactive Problem Management team, creating problem tickets for recurring job failures, reducing monitoring workload and preventing incidents
Education
Bachelors in Computer Science (BSc) -
KG College of arts and science
Coimbatore, Tamilnadu01.2017
Standard 12 -
Bharathi Matriculation Higher Secondary School
Tiruchirappalli, Tamilnadu01.2014
Standard 10 -
Little Flower Higher Secondary School
Tiruchirappalli, Tamilnadu01.2012
Skills
- Version Control Tool: Git, GitHub
- Static Code Analysis: SonarQube
- Configuration management: Ansible
- Containerization/Orchestration: Docker, Kubernetes, AWS ECS, AWS EKS
- Provisioning Tools: Terraform, CloudFormation
- Web Server: Apache, Tomcat, HTTP Server, Nginx
- Operating Systems: Red Hat Linux (CentOS, Ubuntu, Red Hat, Rocky Linux)
- Monitoring Tool: Grafana, Prometheus, ELK, CloudWatch
- Cloud Environment: Amazon Web Services
- Project management tool: ServiceNow, BMC Remedy
Timeline
DevOps Engineer
HCL Technologies
06.2022 - Current
Assistant System Engineer
Tata Consultancy Services
05.2020 - 06.2022
System Engineer
Walgreens Boot Alliance
11.2017 - 02.2020
Bachelors in Computer Science (BSc) -
KG College of arts and science
Standard 12 -
Bharathi Matriculation Higher Secondary School
Standard 10 -
Little Flower Higher Secondary School
Similar Profiles
Srinivasan NandagopalSrinivasan Nandagopal
ETL Lead /Onshore Technical Business Analyst at HCL Technologies India & HCL Technologies NZ LtdETL Lead /Onshore Technical Business Analyst at HCL Technologies India & HCL Technologies NZ Ltd
Pooja SaxenaPooja Saxena
Senior Analyst at HCL Technologies Pvt. Ltd, HCL technologies Pvt LtdSenior Analyst at HCL Technologies Pvt. Ltd, HCL technologies Pvt Ltd
GIRISH KORIGIRISH KORI
Senior Software Test Engineer / Technical Leader at HCL Technologies Ltd. & HCL GMBHSenior Software Test Engineer / Technical Leader at HCL Technologies Ltd. & HCL GMBH
Abhishek KumarAbhishek Kumar
Data Engineer/Technical Lead at HCL Technologies Limited (HCL Tech)Data Engineer/Technical Lead at HCL Technologies Limited (HCL Tech)
ATCHAYA SATCHAYA S
Intern at L&T (Department of Indirect Taxation)Intern at L&T (Department of Indirect Taxation)