Hi, I’m
Kumar Thangaraj
Chennai
Work Preference
Summary
A Results-driven, solution-oriented with overall 8 years of IT experience. With 6 Years of DevOps experience, proficient in Jenkins and terraform to manage and optimize CI/CD pipeline with agile methodologies and containerization deployment strategies. With 2 Years of experience in skillful system administration and troubleshooting expertise for a range of Linux Server, Microsoft Windows Server products. Proficiency in grasping new functional concepts quickly and utilizing productively.
Overview
8
years of professional experience
1
Certification
Work History
Star Systems India Private LimitedChennai
Cloud Engineer
05.2023 - Current
Job overview
- Demonstrated deep expertise in IBM Cloud services, including IBM Cloud Classic, IBM Cloud Kubernetes Service (IKS), and IBM Power Virtual Server, designing and maintaining hybrid connectivity across IBM Cloud and on-premises infrastructure using Direct Link and secure IPsec VPNs on Juniper vSRX and FortiGate.
- Configured and maintained networking and security components—VLANs, subnets, and firewalls—within IBM Cloud environments, ensuring compliance with enterprise security standards and high availability.
- Led the migration of applications from legacy PaaS Kubernetes environments to a fully managed Kubernetes (IKS/ROKS) platform, ensuring minimal downtime, enhanced security posture, and compatibility with CI/CD workflows.
- Designed and implemented container automation workflows, including LXC provisioning via shell scripting and configuration templates, optimizing lifecycle management and reducing manual intervention.
- Integrated SonarQube into CI/CD pipelines to enforce code quality, security scanning, and compliance automation, aligning with DevSecOps best practices.
- Applied Infrastructure-as-Code (IaC) principles for consistent environment provisioning, leveraging automation frameworks and configuration management practices.
- Deployed and configured infrastructure components for IBM QRadar SIEM and SOAR, including provisioning of collectors, event processors, and storage nodes to ensure scalable and secure log ingestion and analysis.
- Troubleshot and resolved cluster-level issues (fencing, quorum, resource failures) to maintain high-availability production environments, demonstrating a solid infrastructure and system administration background.
- Contributed to DevOps adoption within teams—standardizing CI/CD, configuration management, and monitoring practices across hybrid and multi-cloud (IBM Cloud, VMware, AWS) environments.
- Actively supported knowledge sharing and agile squad collaboration, mentoring peers on cloud networking, containerization, and automation patterns aligned with ITIL and DevOps methodologies.
Xenovex Technologies Private LimitedChennai
DevOps Engineer
08.2021 - 03.2023
Job overview
- Implement best practice processes and created cloud functions, applications, and databases that have improve data accuracy for decision-making by 30%.
- Scheduling python based scripts on AWS Batch using AWS Events.
- Used Terraform scripts for processing AWS Batch for python related scripts based on various requirement.
- Deployed Custom nginx and apache web server EC2 instance with Terraform tool along with VPC connection details and security groups.
- Increased 30 percent production load performance by developing custom JSON files using pandas and SQL data for replacing high load API calls.
- Implemented Terraform state management by configuring a remote backend using AWS S3 and DynamoDB, improving collaboration and version control.
- Created and managed CI/CD pipeline with jenkins, git scm (AWS Codecommit), Gradle build with custom angular docker image.
- Hands-on experience with setting-up function along with various trigger.
- Configured Apache Server for PHP CodeIgniter based API Server with kernel level tuning for TCP level optimization in AWS EC2 instance.
- Installed and operated Moodle LMS for EMIS Tamilnadu in-house and external teachers and students.
- Implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
- Maintaining pipeline for angular deployment process in kubernetes pod.
- Build basic ETL that ingest transactional and event data from a web application with 10 lakhs daily active users that improved application efficiency by 25%.
MM Imagine Technologies Private LimitedChennai
Executive System Administrator
04.2019 - 04.2021
Job overview
- Promoted for helping company surpass goals and performance on Covid-19 pandemic situation.
- Increased 20 percent production performance on work-from-home situation.
- Utilized monitoring tools Nagios to proactively monitor the health of traditional applications and address potential issues before they impact users.
- Installed Windows OS and necessary software packages for about 75 laptops using disk image backup within a short period of time.
- Proficient in automating database-related tasks using scripts written in SQL or other programming languages, such as Python or Bash.
- Demonstrated ability to integrate Git with other DevOps tools such as Jenkins, Ansible, and Docker, to create end-to-end automation workflows.
- Docker image building and make containers to run on production environment with kubernetes.
- Worked with other members of IT team to develop an effective server data recovery plan.
- Conducted security assessments and made recommendations for disaster recovery, remote access, network appliances and servers.
- Performed regular checks of server performance and resolved server issues, escalated emergency technical issues beyond scope to maintain optimum up-time.
- Developed scripts for an effective application infrastructure including desktop and server.
- Budgeted for Desktop and Server hardware upgrade and increased production team performance by 13 percent.
- Provided clear and unambiguous communication within Incident Management case tools with frequent and timely updates.
- Established remote access for users through RDP connections under Active Directory Control.
- Setup self-hosted remote server administration and management for system troubleshooting.
- Planned and implemented virtual machine migrations and its performance tuning on QEMU/KVM virtualization.
- Administered the functioning of the mail lists, the email accounts of the people in the organization.
- Processed the backup information and the recovery process in time of emergency.
- Regulated the Spam filtering process and fixed DKIM, DMARC, SPF records.
- Located root causes of technical errors and implemented prompt solutions, closed 95% of trouble tickets on the first call without escalation.
- Deployed backup script using bash and bat file and scheduled as per requirement such as partial backup and full backup using robocopy and rsync commandline tools.
- Executed cloud migration operation, deployment process into Rackspace server instances.
- Commended for quickly resolving complex issues including system crashes, network slowdowns, connectivity problems, security breaches, virus infections and more.
- Maintained and generated scripts for producing pdf output via REST API on Docker.
Millennium Manpower CorporationChennai
Junior Process Executive
10.2017 - 04.2019
Job overview
- Meticulously identified and rectified inconsistencies, deficiencies and discrepancies in medical documenting.
- Diligently filed and followed up on all insurance claims through carrier portals.
- Process and prepare medical claims for workman’s comp.
- Handled the tasks of identifying billable claims, correcting and submitting insurance claims.
- Responded to staff and client inquiries regarding CPT and diagnosis codes.
- Performed data entry for all medical records and insurance claims with 10-Key typing to enter numeric values.
- Quality of data entry checked through Key, Verify over the key, Correction, Examine and Quality Check processes. Increased efficiency by 32%.
Education
PGP College of Arts and Science
MSc from Computer Science
04.2013
PGP College of Arts and Science
BSc from Computer Science
04.2011
Skills
- AWS Cloud
- DevOps Tools
- Git
- Docker
- Kubernetes
- CI/CD pipeline
- Bash
- Python 3
- Cable installation
- Wireless connections
- WAN
- LAN
- Web server installations
- Apache
- NGINX
- IIS
- Database backups
- Performance tuning
- MySQL
- Microsoft SQL Server
- System issues
- Firewall Management
- DNS implementation
- Site-to-site IPSEC vpn
- Open-source tools
- Rackspace Windows server instance
- IIS Server configuration
Certification
Certified Kubernetes Administrator (CKA), The Linux Foundation / CNCF, 2024-12-01
Languages
Tamil
English
Saurashtra
Availability
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Timeline
Cloud Engineer
Star Systems India Private Limited
05.2023 - Current
DevOps Engineer
Xenovex Technologies Private Limited
08.2021 - 03.2023
Executive System Administrator
MM Imagine Technologies Private Limited
04.2019 - 04.2021
Junior Process Executive
Millennium Manpower Corporation
10.2017 - 04.2019
PGP College of Arts and Science
MSc from Computer Science
PGP College of Arts and Science
BSc from Computer Science