Experience

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  H-e-b, inc.

  Jul 2014 - Jun 2018

  System administrator

  • Struts framework is used for building the Front-End. • Utilized the various enter Design patterns to develop the Business modules based on the required functionality. • Developed view and controller components. • Interacted with business analysts and other end users to resolve user requirements issues. • Developed user interface (view component of MVC architecture) with JSP, Struts Custom Tag libraries, HTML5 and JavaScript. • Extensively used jQuery in web-based applications • Developed the controller component with Servlets and action classes. • Business Components are developed (model components) using Enterprise Java Beans (EJB). • Experience in using Ext JS for the presentation tier and developer the screens of the application. • Developed Session Façade with Stateless Session bean to provide a uniform coarse-grained service access layer to clients. • JavaScript is used for client-side validation and to control dynamic data. • Extensively worked with Oracle Application servers, Apache Tomcat, JBoss 4.2.3. • Used MAVEN scripts to fetch, build, and deploy applications to development environment. • Wrote SQL queries and PL/SQL procedures for JDBC. • Prepared the REST and SOAP based service calls depending on the data passing to the web service. • Clear Case is used for version control. • Used MQ series to create, send, receive, and read messages. • Used software development methodologies such as waterfall. • Used Eclipse as Integrated Development Environment (IDE). • Prepared technical and Java API documentation. Maintained system infrastructure, applications and systems Installed and maintained Windows file servers Administered Active Directory user adds, changes, and deletions Managed system backups and Disaster Recovery Monitored system / network performance and corrects issues during and after business hours as needed Administered VMware virtualization environment Show less

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  Schlumberger oil field svcs

  Jun 2018 - Sept 2020

  Devops engineer

  Responsible for designing and deploying best SCM processes and procedures.• Writing inventory and manifest files, ansible playbooks, terraform manifest files and Kubernetes manifest files.• Creation and management of CI/CD pipelines• Strong ability to troubleshoot and solve problems independently.• Performs Build activities using Maven and Jenkins tool.• Coordinate/assist developers with establishing and applying appropriate branching, labelling/naming conventions using GIT source control.• Analyze and resolve conflicts related to merging of source code for GIT.• Resolved merging issues during rebasing and re-integrating branches by conducting meetings with development team leads.• Supported and developed tools for integration, automated testing and release management.• Configured namespaces, resource quotas for different environments. RBAC, HPA, CAS and Cluster RBAC. Show less

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  Dominion systems inc

  Sept 2020 - now

  Devsecops engineer

  Working collectively with architects, developers, technical leads, and customers to collect requirements, design solutions, and deliver quality software applications. Experienced in using OWASP tool to detect known vulnerabilities in dependencies and also used Hashi Corp Vault to provide encryption services that are gated by authentication and authorization. Experienced in using Kube scan to generate a risk score on workloads in production environment, and also Kube bench to check whether Kubernetes is deployed securely by running the checks documented in the CIS Kubernetes benchmark. Experienced in using Talisman to scan for sensitive data in codes before being pushed into git repository. Working knowledge of OWASP SAST vulnerability and application security scanning tools like Nessus and sonarQube. Experienced in implementing DevSecOps best practices in every SDLC stage like git branching, server hardening, vulnerability scanning, and firewall configuration. Managing and maintaining Kubernetes clusters, ensuring high availability and scalability for containerized applications while implementing rolling updates and automatic scaling to accommodate increased workloads during peak usage periods Experienced in microservices architecture, management and orchestration using Docker, Kubernetes, Helm, and ArgoCD. Streamlining the CI/CD pipeline for Java-based applications using Maven, reducing build and deployment times. Building, installing, configuring, and troubleshooting multiple custom-built applications in a cloud environment. Implementing proactive monitoring and alerting using Prometheus and Grafana, reducing system downtime. Introducing version control best practices with git, improving code collaboration and traceability. Provisioning AWS cloud infrastructure like ROUTE 53, EC2, ECR, S3, EKS, VPC, RDS, EBS, NFS ELB, ASG, and IAM using Terraform and configured it using Ansible. Show less