Nishal K

About Nishal K

A DevOps/Cloud/SRE team player having 4+ years of Experience in the IT industry as a…

Experience

1. Senior Associate Consultant (Sre & Devops Engineer)

   Infosys

   Apr 2025 — Present · Chennai, IN

   Led a major Citrix NetScaler upgrade, ensuring seamless migration and minimal service disruption for a key e-commerce client.* Authored Terraform scripts to automate routine tasks, significantly improving efficiency and providing greater flexibility in infrastructure management.* Provided critical Site Reliability Engineering (SRE) support, actively participating in high-priority bridge calls and troubleshooting complex issues related to pipeline failures, Fastly, NetScaler, and Jenkins.* Played a pivotal role in the end-to-end migration of over 160 applications from EC2 to EKS, which involved writing Dockerfiles, selecting compatible base images, building and pushing images to GitLab, and configuring Kubernetes deployment files.* Managed the successful migration of Nexus from on-premises infrastructure to the cloud.* Executed a comprehensive Tomcat upgrade from version 9.0.88 to 9.0.105 across more than 220 servers in development, testing, and production environments.* Developed automated shell scripts for Garbage Collection (GC) remediation on critical application servers, eliminating the need for manual intervention and improving system stability.* Working closely with TVM (Threat Vulnerability Management) Team to remediate the vulnerabilities. So, far remediated Vulnerabilities for jenkins, Nexus, Java based application servers with the help of upgrading upto date version and closely monitoring ORCA one of the security tool which can identify vulnerabilities and remediation steps to take action * Led the migration from Jenkins (2.x) to GitLab, successfully transferring all data and validating that all CI/CD pipelines functioned as expected, ensuring zero data loss and uninterrupted delivery.* Managed SSL certificate renewals on NetScaler during maintenance windows and later automated the entire process using SaltStack (configuration management). This automation reduced manual effort by ~70%, streamlined certificate management

Education

• Vemu Institute of Technology

  Diploma, Electrical and Electronics Engineering

• Sreenivasa Inst. of Technology & Management Studies, Thimmasamudram, Chittoor

  Bachelor of Technology - BTech, Electrical and Electronics Engineering

• Devi English medium school

  Secondary school , Secondary school