Umashankar M R
Redhat OpenShift Administrator - Technology Lifecycle Services | IBM CP4I Admin | Cloud & DevOps | MLOps | Python | Infrastructure & Automation Specialist | Kubernetes | CI/CD | Linux | AWS | Terraform | GitOps
- Role
- Redhat Openshift Administrator at IBM
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Umashankar M R
I am a Senior Platform Engineer with 5+ years of experience specialized in building…
Experience
Redhat Openshift Administrator
Mar 2025 — Present · Mumbai, IN
Managing and optimising 20 OpenShift clusters on LinuxONE, ensuring secure, scalable, and highly available environments for critical workloads.• Administering IBM Cloud Pak for Integration (CP4I) components such as App Connect Enterprise, API Connect, and MQ, ensuring high availability and scalability.• Delivered a complex upgrade of OpenShift from 4.12.17 to 4.18.16, IBM Storage Fusion from 2.5.2 to 2.10.1, and IBM Storage Fusion Data Foundation from 4.12 to 4.18 within an air-gapped environment, ensuring zero downtime and maintaining operational integrity.• Oversee kernel upgrades and ensure seamless deployment of virtual machines (VMs), maintaining system stability and performance.• Implemented Metricbeat with Prometheus on OpenShift, optimized metric collection and reduced storage utilization from 100GB to 4GB per day.• Successfully upgraded RHEL from 8.8 to 8.10 in a fully air-gapped environment, ensuring compliance and operational continuity without external connectivity.• Troubleshooting and resolving issues across OpenShift, LinuxONE, and CP4I environments, reducing downtime and improving system reliability.
Education
Visvesvaraya Technological University
Bachelor of Engineering - BE
2014 — 2018
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