• Led a team of DevOps engineers, providing guidance and mentorship, and collaborating with team members to troubleshoot and resolve complex issues related to application deployment and cloud infrastructure.• Deployed and managed Kubernetes clusters for efficient application deployment.• Planned, scheduled, and managed software releases, ensuring timely and efficient delivery.• Developed and maintained release pipelines, incorporating monitoring, verification, and rollback procedures.• Collaborated with the security team to address vulnerabilities and ensure system integrity, including the implementation of upgrades for Vault, Consul, Rancher, AMI, and Kubernetes applications.• Oversaw the change management process, ensuring all changes were properly documented, approved, and released without issues. Assessed the impact of changes and planned mitigation strategies to minimize risks.• Managed IAM key rotation through AWS and Vault token renewal in HashiCorp Vault.• Renewed SSL certificates through AD servers from lower environments to production.• Onboarded applications and set up CI/CD pipelines.• Facilitated new PU onboarding through Camunda and DWB.• Documented all tasks performed.• Maintained user access for DevOps tools

• Configured Jenkins jobs with Git and Maven for artifact generation.• Maintained backups in Jenkins to ensure data integrity.• Utilized GitLab for source code and automation script management.• Created and maintained Jenkins slaves for load distribution and parallel builds, including the installation of Jenkins master and slave nodes.• Implemented branching strategies for source code management in Git.• Configured Jenkins with GitHub to automate integration processes, ensuring error notifications are sent to developers upon code push.• Supported releases through to production, coordinating with clients and onshore-offshore teams during production releases.• Assisted newer team members in achieving proficiency, enabling them to perform required tasks independently.• Handled escalations and facilitated issue resolution.• Maintained user access for DevOps tools.• Created Git repositories and branches for users.• Configured GitLab with Jenkins and scheduled jobs using POLL SCM.• Integrated tools with Jenkins, including Git, Maven, and SonarQube.• Configured crontab for nightly builds and deployments.