Overall 12.4 years of Experience with Tata Consultancy Services (Chennai), Toprankers (Bangalore) & Mindtree (Chennai), HCL Technologies (Chennai) Senior Technical Lead- Devops(Current from Dec 2021) Cloud and Devops Engineer(2 Years) Mindtree, Chennai Cloud Infra and Devops Engineer (7 Months) at Toprankers (Ankalan Web Solutions). Cloud Admin (2.6 years) of experience in AWS cloud /Data Center. ITSM Analyst (1 Year) Maintain and Administer the components and software environment. Mainframe Operations (3.5 Years) Delivered UPC code information of the sales data through mainframe batches using JCL. Setup a database and troubleshooting if any failures while transferring.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Senior Technical Lead- Devops
HCL America INC
12.2021 - Current
Company Overview: Project: Kaiser Permanente(USA)
Creating pipeline jobs/scripts using groovy and declarative on Jenkins
Informatica Automation: Planned and deployed informatica files(shell/perl/text) on landing zone, Informatica workflow automation (Powercenter 10.5) using Jenkins and UCD
Jar/war/ear Deployment: Planned and deployed java packages into different target servers depends on the environment using Jenkins and UCD
WAS Restart Automation: Planned and implemented ripple restart, cluster restart, multi cluster restart using IBM UD and Jenkins
RTC to Github migration: Planned and implemented version control migration through script and Jenkins
IBM UCD Plan and Design: Created multiple applications, components, component templates, Resources/agents for multiple environments, configuring agent automatically, debugging issues on deployment, etc
Migrated artifacts from Archiva Artifactory to Jfrog Artifactory
Managing the build process using Maven and deploy into targets without any error
Deploying through IBM Urban code Deploy
Managing Version control using IBM RTC
Integrate Jenkins with RTC, Jfrog, UCD
Working on agile based sprints to complete the assigned tasks(Jira)
Worked on Hetzner server provisioning and configuring load balancer, SSL, etc
Created collection of reusable Groovy scripts for multiple Jenkins jobs using Shared Library
Worked on Database deployment from Jenking using Liquibase
Worked on Openshift deployment from Jenkins
Worked on Jenkins to Github Actions migration
Tools used: Jenkins, IBM UCD, IBM RTC, IBM Websphere, Github, Jfrog, Maven, Sonarqube, Oracle, AWS ECS
Cloud and Devops Engineers
Mindtree LIMITED
11.2019 - 12.2021
Company Overview: Projects: Gamestop USA, Toyota, AAMC USA
Octopus Deployment Tool for AMI Patching and Infrastructure changes through CloudFormation template
Jenkins for Continuous integration
Managing more than 2000 AWS Windows/Linux servers on multiple environments
Executing commands through SSM Manger
Ticketing tool – Cherwell, Jira
New Relic for Application and Server monitoring
Converted as Ticket from RDS subscription though SQS, Lambda, Webhook
Cloudwatch Alarms/Dashboards created in all the environment from Bitbucket pipeline using Lambda and convert it as ticket depends on priority
Datadog for Infrastructure monitoring
Writing Lambda function, Trigger Lambda through CloudWatch event
Cloudwatch Metric setup and monitor through Alarms with multi-level threshold
Cloud Ranger for Backup and Restore of AMI/files
Automating infra using Cloudformation through CI/CD using Gitlab CI/Jenkins and deployed through Octopus Deploy
Created pipelines on using Bitbucket CI and deployed into multiple environments
Created scaffolding for automating Bitbucket UI works like create the repository, permission, add users, scripts, parameters, etc
Projects: Gamestop USA, Toyota, AAMC USA
Tools/Technologies Used: Octopus Deploy, Datadog, Newrelic-APM, Jenkins, AWS(CFT,Lambda), Python, Linux
Cloud Infra and Devops Engineer
Ankalan Web Solutions
05.2019 - 11.2019
Company Overview: Project: Toprankers
Managing more than 30 EC2 servers on daily basis, 150 S3 buckets, 15 cloudfront distributions, 2 Akamai distributions, more than 100 users, more than 40 groups
Taking AMI on regular basis and cleaning on frequently
Creating S3 buckets for every client and assign specific policies
Creating IAM user, group and group policy to access the specific bucket alone
Worked on cost optimization and reduced cost for the organization gradually
Worked on automating day-to-day work with scripting BASH and Python
Worked on cloudfront and Akamai for content delivery
Invalidating contents, created signedURL’s for users
Cloudfront: creating web based distributions, invalidations, Geo restriction, creating OAI, etc
Godaddy: purchasing domains for clients whenever request comes
Create hosted zone in AWS and update NS Record in Godaddy site for the purchased domain
Route53: creating Hosted Zone for godaddy domains, creating A records for Private and Public faced, cname records, updating Akamai cname records
ACM: Register new SSL for HTTPs access, update the cname record on clients domain purchased site and add it with Load balancer listener for HTTPS once SSL issued
Worked on snapshot, volume management
Increasing the disk size, Instance type/family change, RI plan while changing instance type, etc
Worked on Ubuntu 14.04, 16.04 & 18.04, budgie
Configured and maintaining WowzaStreamingEngine for video streaming
Mysql: Master-Slave Replication Setup, Routing traffic to Master on route53 whenever sec behind master increasing, too many connection issue, etc
Proficient in AWS services like EC2, S3, ELB, Autoscaling Groups (ASG), EBS, RDS, IAM, VPC, Route 53, CloudWatch, CloudFront
Worked on automation through CloudFormation and Terraform
Possess good knowledge in creating and launching EC2 instances using AMI’s of Linux, Ubuntu, and Windows
Automating AWS using Python
Linux system related automaton using Bash
Experienced in creating multiple VPC’s and public, private subnets as per requirement
Made VPC peering between two or more VPC’s inside the Region & outside the Region
Created VPC end point to connect to with AWS Services in Private
Created EBS volumes for storing application files for use with EC2 instances whenever they are mounted to them
Created NAT gateways and instances to allow communication from the private instances to the internet through bastion hosts
Used security groups, network ACL’s, internet gateways and route tables to ensure a secure zone for organization in AWS public cloud
Created and configured elastic load balancers and auto scaling groups to distribute the traffic and to have a cost efficient, fault tolerant and highly available environment
Created S3 buckets in the AWS environment to store files, sometimes which are required to serve static content for a web application
Configured S3 buckets with various life cycle policies to archive the infrequently accessed data to storage classes based on requirement
Used IAM for creating roles, users, groups and also implemented MFA to provide additional security to AWS account and its resources
Implemented domain name service (DNS) through route53 to have highly available and scalable applications
Maintained the monitoring and alerting of production and corporate servers using Cloud Watch service
Experienced in creating RDS instances to serve data through servers for responding to requests
Created custom AMI’s from an application installed instance and made use it for creating instance with same setup
Setup SNS on Auto scaling group to get Alarm notification to Email to watch the instance
Used CloudTrail and created Trail for S3 Service event
Created IAM role and assigned role on EC2, made accessing S3 bucket via EC2 instance
S3 Browser, SFTP for clients created for access S3 Buckets
Project: SONY
Tools/Technologies Used: AWS(CFT), Shell scripting, Linux
ITSM Analyst
TATA Consultancy Services Limited
08.2015 - 09.2016
Company Overview: Project: TCS Infrastructure Management
Diagnose hardware and software problems, and replace defective components
Troubleshooting issues raised by users
Involved with L1 / L2 support for Windows servers
Perform data backups and disaster recovery operations
Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations
Created cheat sheet for the work I did on the project to help the new comers understand
Project: TCS Infrastructure Management
Delivery Specialist
TATA Consultancy Services Limited
06.2012 - 08.2015
Company Overview: Project: The Nielsen Company, USA
3+ years of experience on Mainframe operations
Incident management using ServiceNow tool
Worked on Mainframe CICS, TSOA, TSOB
Creating & Monitoring the Data Base for the customer as per their requirement using JCL
Adding, Modifying, Deleting, and Completing the Jobs and application in the Current Plan
Copy, Delete, Move and rename the datasets
Finding the FATL’s & WARN’s on the failed jobs and working towards the solution
Prioritizing the jobs into system
Joined on the Sev-1 check point calls to fix the problems and met the SLA (Service Level Agreement)
Merging and splitting the JCL batches
Handled tools like Roundtrip, Holy, Control M
Resolved space issue, B37, E37, Wrong batch issues on the job
Project: The Nielsen Company, USA
Education
MCA -
Bharathidasan University
BCA -
PGP College of Arts and Science
Skills
Windows
Debian based Linux
Liquibase
Redhat7
Shell Scripting
Python
Groovy
Mysql
MongoDB
MSSQL
Perforce
GitHub
Github Actions
Openshift
Gitlab
Bitbucket
IBM RTC
Nagios
New Relic APM
Ansible
Excellent oral and written communication skills
Good team & time management skills
Ability to work in fast-paced environment, both independently and in a team environment