Boobalan P
Chennai
Summary
Dynamic Technology Service Engineer with extensive experience at Walmart, excelling in AWS and Kubernetes environments. Proven track record in optimizing CI/CD pipelines and enhancing system reliability. Adept at leveraging SQL for data analysis and fostering collaboration across teams to drive impactful solutions. Committed to maintaining high service uptime and operational excellence.
Overview
10
10
years of professional experience
Work History
Technology service engineer III
Walmart
Chennai
02.2023 - Current
- Led end-to-end troubleshooting and debugging of complex deployments within Kubernetes (K8s) and Docker environments; performed deep-dive analysis of Pod logs, events, and describe outputs using kubectl to resolve crash-loop-backoffs and resource contention issues, ensuring 99.9% service uptime.
- Administered AWS and Azure environments, overseeing the lifecycle of EC2 instances and VPC networking; implemented Auto Scaling groups and load-balancing strategies to handle enterprise-level traffic at Walmart.
- Managed and scaled Jenkins Master-Slave architecture across Linux VMs, overseeing critical maintenance tasks including kernel upgrades, OS patching, and disk space management to ensure 100% CI/CD pipeline reliability.
- Implemented proactive health monitoring via CloudWatch and Azure Monitor, addressing infrastructure vulnerabilities and system bottlenecks to ensure consistent global service uptime.
- Orchestrated Git-to-Jenkins integration, managing version control workflows (commits, merges, and change management) to facilitate secure and compliant automated application upgrades.
- Architected comprehensive observability dashboards using Dynatrace, Grafana, New Relic, and OpenObserve to proactively monitor system health and reduce Mean Time to Detection (MTTD).
- Supervised large-scale firmware upgrades and patching cycles for specialized controllers, ensuring critical refrigeration and HVAC sensors remained functional and compliant with safety standards.
- Leveraged SQL databases and Looker to perform deep-dive data analysis, generating actionable insights for Business and Dev teams to improve overall system performance.
- Established incident response protocols within JIRA, coordinating with technical teams and business stakeholders to resolve critical bugs and performance bottlenecks.
- Architected Jenkins workspace environments by managing job/group creation and role-based access controls (RBAC), streamlining the deployment process for multiple development teams.
Consultant – Infrastructure Management
Infosys
Chennai
08.2022 - 01.2023
- Architected and managed scalable AWS infrastructure to support high-availability requirements for the Cummins project, ensuring 99.9% uptime.
- Provisioned and optimized AWS EC2 instances, S3 buckets, and networking components to align with project-specific resource demands.
- Executed end-to-end CI/CD pipelines using Jenkins, managing job/group creation and automated build triggers to streamline deployment processes.
- Administered Linux server environments, performing regular kernel patching, security hardening, and vulnerability remediation to maintain compliance and system integrity.
- Orchestrated middleware deployments across WebSphere, WebLogic, and Apache Tomcat environments to ensure seamless application delivery and minimize downtime.
- Standardized application server configurations and performance tuning to reduce latency and improve resource utilization across the tech stack.
- Developed monitoring solutions with Splunk and New Relic, creating custom dashboards and alert thresholds to proactively identify and resolve bottlenecks.
- Acted as a primary responder for critical infrastructure alerts, performing deep-dive root cause analysis (RCA) and implementing permanent fixes to prevent recurrence.
- Reduced MTTR (Mean Time to Repair) by streamlining incident response workflows and automating manual health checks.
I.T Analyst
TCS
Chennai
02.2021 - 08.2022
- Maintained HP e-commerce website for US HP B2C project, ensuring zero downtime using AWS, Kubernetes, Docker, Jenkins, IBM WebSphere, Apache Tomcat, Git, Jira, New Relic, Splunk, and shell scripting.
- Hands-on experience on Creating and managing AWS EC2 instance, auto-scaling, EBS, AMI, VPS, SG, Load balancer, IAM, S3 AWS access key management, snapshot, ECR, cloud watch and cloud trail.
- Worked on Jenkins tool with Admin level responsibility which involves creating/configuring a single & multi pipeline jobs, creating a jobs groups with multiple single jobs with writing a Jenkins files. And managing user access and making necessary changes during Change requests.
- Managed middleware application servers and services, including Apache, IBM WebSphere, and Tomcat in Docker and Kubernetes environments, handling deployments, patching, troubleshooting, load testing, and server performance maintenance while coordinating with DEV/QA.
- Made changes to the Kubernetes deployment file, restarted, and scaled nodes and pods, while troubleshooting issues of services hosted in pods.
- On Docker environment, Support level responsible for build and deploy, pull/tag/push images from DockerHub and AWS ECR repo. Managing docker container, removing old images during space issue and writing Docker files.
- Managed and renewed SSL certificates for Apache servers and AWS resources, ensuring secure communication.
- Monitored alerts in New Relic and Splunk, responding promptly to ensure system reliability.
- Performed few mid-level automations which were required by project using shell and python scripts.
Sr. SYSTEMS Engineer
Karix mobile Pvt. Ltd.
09.2016 - 02.2021
- Troubleshooting production issues and perform root-cause analysis. Managed and maintained large scale web and database servers.
- Evaluate and Deploy new applications and enhancement to existing infrastructure.
- Researched, evaluated, and implemented new technologies to enhance functionality of in-house applications.
- Maintaining applications servers like Apache services, JBoss, wildfly, Apache Kafka, VSMSC, VSMS, managing a platform messaging queues, API testing, UI SMPP, and FTP. Deployments on Linux machines and managing customer accounts by Executed SQL, oracle scripts.
- Understanding of the Release and Deployment Management process specified at the Production level.
- Coordinated change management and incident report management processes to ensure seamless operations.
- Experienced in on Linux, Oracle, MYSQL, Nagios, Grafana, load balancer, JIRA, and shell scripting.
- Having knowledge in format, XML format API’s, SMSC, SMPP, SMS gateway and FTP/SFTP.Pro-active monitoring of the IT infrastructure.
- Experience working on Nagios and Check MK monitoring tools. Identifying the alarms and troubleshooting the issues and configure the alert by doing scriptings.
- Raise the case as per the issue and solve the issue at the time limit. SMPP Kannel configuration and testing.
- Configuring, creating, and defining the path for traffic as per planning. Working on Nagios, MySQL, Solar, phoenix and Oracle. Restarting, troubleshooting application, and analyzing logs.
- Monitored, intervened, escalated, and communicated issues affecting production environment to minimize downtime.
- Developing SQL query to troubleshooting the production issues and pulling reposts.
- Organized change Management, Incident report management, coordinating with telco's, and coordinate the efforts of Business Operations and the Support groups.
- Acquired knowledge of monitoring and deployment processes for AWS servers.
- Knowledge on Amazon EC2,EC2 auto scaling,EBS,S3,Elastic chache,RDS,DynamoDB,ELB, VPC,Route 53,Elastic load balancing,SNS,SES,SQS,Cloud watch.
- Knowledge on Amazon EC2,EC2 auto scaling,EBS,S3,Elastic chache,RDS,DynamoDB,ELB, VPC,Route 53,Elastic load balancing,SNS,SES,SQS,Cloud watch.
Education
Bachelor of Engineering - Electrical and Electronic Engineering
Srinivasa Institute of Engineering & Technology
Chennai05-2015
HSC - Computer Science
St. Thomas Higher Secondary School
Chennai04-2011
SSLC -
St. Thomas Higher Secondary School
chennai04-2010
Skills
- AWS and cloud services
- Jenkins and CI/CD
- Docker and Kubernetes
- Infrastructure Management
- Network security
- Linux operating systems
- Bash scripting
- Python programming
- SQL analysis
- Technical and diagnostic support
- Middleware technologies
- Analytics tools
Timeline
Technology service engineer III
Walmart
02.2023 - Current
Consultant – Infrastructure Management
Infosys
08.2022 - 01.2023
I.T Analyst
TCS
02.2021 - 08.2022
Sr. SYSTEMS Engineer
Karix mobile Pvt. Ltd.
09.2016 - 02.2021
Bachelor of Engineering - Electrical and Electronic Engineering
Srinivasa Institute of Engineering & Technology
HSC - Computer Science
St. Thomas Higher Secondary School
SSLC -
St. Thomas Higher Secondary School
Disclaimer
I hereby declare that the information furnished above is true to the best of my knowledge.
Additional Qualifications
Completed course in Red hat certified System Administrator and Red hat certified Engineer., Completed course in A+, N+, and CCNA., Completed course in MCSE., AWS, Jenkins, Kubernetes, Docker, Splunk, Newrelic, Nagios, Check_mk, Grafana, Linux OS – CentOS & RedHat, Middleware, Bash shell scripting, Python
Personal Information
- Father's Name: M. Panchatcharam
- Date of Birth: 11/11/93
Languages
- English
- Tamil
Disclaimer
I hereby declare that the information furnished above is true to the best of my knowledge.
Additional Qualifications
Completed course in Red hat certified System Administrator and Red hat certified Engineer., Completed course in A+, N+, and CCNA., Completed course in MCSE., AWS, Jenkins, Kubernetes, Docker, Splunk, Newrelic, Nagios, Check_mk, Grafana, Linux OS – CentOS & RedHat, Middleware, Bash shell scripting, Python
Personal Information
- Father's Name: M. Panchatcharam
- Date of Birth: 11/11/93