Nehru A

Tech Lead - DevOps Engineer

Cognizant Technology Solutions

Chennai

09.2021 - Current

Led the implementation and optimization of CI/CD pipelines using Jenkins, Urbancode Deploy, and Maven, resulting in a 40% reduction in deployment time and enabling faster, more reliable code deployments across development and production environments.
Administered and optimized cloud-based infrastructures in Amazon Web Services (AWS) for development, staging, and production environments, improving scalability by 30% and reducing cloud infrastructure costs by 15% through better resource allocation.
Maintained and enhanced GitHub repositories, ensuring proper version control and seamless integration with CI/CD tools, resulting in a 25% improvement in collaboration and code management across development teams.
Configured and managed monitoring and alerting systems using Dynatrace, ensuring high application uptime and performance, which improved application reliability by 20% and reduced response time for incidents.
Provided day-to-day application support for production systems, troubleshooting issues and performing root cause analysis to ensure system reliability, resulting in a 50% reduction in production downtime.
Oversaw Jenkins and SonarQube integration for efficient code quality analysis, automating testing and deployment workflows, leading to a 35% improvement in code quality and a 25% reduction in post-deployment defects.
Managed and configured Nexus repositories for managing dependencies and build artifacts, which streamlined the software delivery lifecycle, cutting build times by 30%.
Supported and configured CyberArk for managing privileged access to sensitive infrastructure, enhancing security practices and achieving a 40% improvement in infrastructure security through more controlled access policies.
Led the administration of QTest and Jira for efficient issue tracking, bug reporting, and project management, improving team productivity by 20% and reducing project delivery time by 15%.
Implemented and monitored performance testing with Neoload, ensuring optimal system scalability and performance, which increased application performance by 25% during high traffic conditions.
Spearheaded the automation of application deployment and infrastructure management using Docker and Kubernetes, leading to a 50% reduction in manual intervention and improving deployment consistency.
Ensured compliance with internal policies for secure software development by performing regular malware scanning and implementing security patches, which resulted in a 30% improvement in security compliance and reduced vulnerabilities.