Gowri Sankar

Working OpenShift Administrator at Mobily Infotech Pvt Ltd, managing critical cloud operations and service management. Developed a profound understanding of various roles throughout the career, including software development and cloud platform management, while acquiring a diverse skill set that encompasses DevOps methodologies. Strong knowledge of virtualization technologies like RedHat Virtualization Manager (RHVM), along with extensive experience in MySQL and SQL database management.

Leverage extensive knowledge in OpenShift administration, container orchestration, and cloud technologies to take on senior leadership roles, driving infrastructure excellence and innovation in mission-critical environments. Expertise in monitoring and logging tools such as Grafana, Prometheus, and Kibana, coupled with experience in CI/CD pipeline automation using IBM CP4I and Red Hat technologies. Proven track record in managing large-scale OpenShift environments, cloud-based solutions, and deploying containerized applications in hybrid cloud infrastructures.

Exhibit proficiency in the configuration and management of advanced monitoring tools, including Grafana and Prometheus, to deliver real-time insights into system performance and facilitate proactive issue resolution.

Technology Specialist - Mobily Infotech Pvt Ltd

(2025-05)

• Managed and administered Red Hat OpenShift 4.x clusters across production and nonproduction environment, ensuring platform stability and uptime.
• Performed OpenShift cluster lifecycle management, including installation support, post-build configuration, patching, certificate monitoring, health checks, and routine administrative activities.
• Coordinated with cross-functional teams to gather requirements, troubleshoot platform issues, and deliver integrated solutions aligned with business goals.
• Ensured system reliability through proactive monitoring and capacity planning using Grafana and Prometheus, improving observability and reducing incident response times.
• Led OCP network migration from OpenShift SDN to OVN Kubernetes, enhancing network performance, scalability, and cluster throughput.
• Executed seamless OpenShift upgrade from OCP 4.14.x to 4.16.x, and 4.16.x to 4.18.x maintaining availability and meeting strict maintenance windows.
• Modernized centralized logging by migrating from Elasticsearch to Loki Stack, optimizing storage efficiency and improving log query performance.
• Architected and deployed LokiStack on OpenShift 4.16, including ingestion pipelines, configuration, and dashboards to support real-time insights.
• Configured and optimized container image registries for secure, high-performance image storage and seamless deployment workflows.
• Enhanced cluster observability using integrated monitoring stacks, enabling deeper metrics visibility and actionable alerts.
• Performed RHEL Linux patching activities including security and kernel updates, coordinating scheduled patch windows to maintain system stability and compliance.
• Executed vulnerability assessment and penetration testing (VAPT) remediation, working with scanning results to implement fixes, validate closure, and ensure alignment with security requirements.

Openshift infra - National Stock Exchange (NSEIT), Now(Nusummit) - Chennai

(2023-10 - 2025-05)

• Administering Red Hat OpenShift 4.14 production clusters, managing deployments and services in a hybrid cloud environment using Kubernetes.
• Utilizing Grafana, Prometheus, and Kibana for monitoring, logging, and creating real-time dashboards to ensure optimal performance.
• Managing Virtual Machines (VMs) and RHVM clusters, optimizing resource allocation, workload balancing, and VM health in a virtualized environment.
• Automating deployment processes using CI/CD pipelines integrated with IBM CP4I, streamlining application delivery.
• Configuring snapshot repositories and ensured consistent backups for Elasticsearch data to support disaster recovery efforts.
• Leading Disaster Recovery (DC-DR sync activities), ensuring business continuity and data integrity.
• Conducting VAPT and hardening for environment security, mitigating potential vulnerabilities.
• Administering OpenShift on bare-metal infrastructure, ensuring efficient setup and high availability.

Openshift Engineer - Rute Appz - Coimbatore

(2020-06 - 2023-08)

• Worked extensively with container-based platforms including Red Hat OpenShift, Docker, Kubernetes, and Terraform, leveraging their full potential in orchestrating, managing, and automating containerized applications in production environments.
• Provided in-depth support and configuration of OpenShift environments, ensuring optimal setup, functionality, and performance of Kubernetes clusters. This included configuring OpenShift networking for seamless application deployment and controlling pod scheduling.
• Effectively managed a production-level Kubernetes cluster, including scaling, health verification, and applying cluster updates. Utilized the OpenShift Web Console for monitoring cluster status and applying updates across environments.
• Managed scaling the OpenShift cluster both manually and automatically, utilizing Machine Sets to control machine resources and ensure efficient resource allocation, including compute nodes.
• Conducted comprehensive troubleshooting and health checks for OpenShift clusters, covering areas such as DNS issues, Image Registry Operator, Cluster Network Operator, and the Operator Lifecycle Manager (OLM) in OpenShift 4.x environments.
• Managed the lifecycle of Persistent Volumes (PVs) and Persistent Volume Claims (PVCs), ensuring reliable data storage and smooth application performance.
• Configured authentication and authorization strategies, utilizing the HTTPasswd Identity Provider for secure user access.
• Created and managed deployments, services, and ingress flows for applications in a Kubernetes cluster, ensuring high availability and scalability.
• Provided consistent feedback and improvements by reviewing and updating product documentation for accuracy, completeness, and clarity. Made direct comments in the issue tracker to facilitate timely product updates.
• Leveraged Terraform for infrastructure-as-code (IaC) to automate the setup, management, and scaling of OpenShift and Kubernetes resources, ensuring efficient and repeatable processes for cluster deployment.
• Successfully improved application deployment efficiency by X% through the implementation of streamlined processes and best practices in container orchestration.
• Enhanced system reliability by achieving a XX% reduction in downtime through proactive monitoring and troubleshooting of OpenShift clusters.
• Contributed to the successful launch of multiple applications by managing the deployment and configuration processes within the Kubernetes environment.

Software Developer - Gain Deck Technologies Pvt. Ltd. - Coimbatore

(2017-04 - 2019-12)

• Engaged in the modernization of legacy codebases to align with contemporary development standards, thereby enhancing functionality and user experience.
• Designed and developed APIs for web and mobile applications, ensuring seamless integration and functionality across platforms.
• Collaborated with cross-functional teams throughout the software development lifecycle, from requirement gathering to production releases, ensuring alignment with business objectives.
• Developed database architectural strategies during the modeling, design, and implementation phases to meet specific business or industry requirements.
• Contributed to the development of various systems, including booking systems, e-commerce platforms, and inventory management solutions, ensuring high-quality deliverables.
• Conducted thorough testing and debugging of applications to ensure optimal performance and reliability before production deployment.
• Participated in code reviews and providing constructive feedback to peers, fostering a culture of continuous improvement and knowledge sharing.
• Maintained comprehensive documentation of development processes and system architectures to facilitate knowledge transfer and future enhancements.

Bachelor of Technology - Information Technology - S.V.S. College of Engineering (2016)