Rahul Dutt Sharma

About Rahul Dutt Sharma

I am an IT professional with 12+ years of experience in Information Technology, specializing in Linux Data Centre operations, OpenShift/Origin Cloud, Docker containers, DevOps tools, VMware, and Ansible Automation. Over the past 6+ years, I have focused extensively on OpenShift and OpenShift Virtualization, building expertise in cluster management, automation, and enterprise-scale deployments.Passionate about open-source technologies, I thrive in designing, managing, and optimizing modern data center solutions that drive efficiency, scalability, and resilience.Below are my area of strength • RedHat Openshift 4.x is latest (also worked on OCP 3.x)• OpenShift Virtualization 4.18• Docker/ Container• Cluster Management & GitOps (ArgoCD)• Kubernetes• Ansible, Ansible tower• Linux Administration• Satellite 6.x (RHN), security patch management • VMware vsphere ESXi, virtual box• Shell script to automate the stuffs in Linux• Bare Metal and Disaster Recovery• Capacity Management, security audit• Server Provisioning and Migration• Vendor management• Monitoring toolsCertification •OpenShift Administrator 280•OpenShift Virtualization 316• CKS• CKA• RedHat Certified System Administrator RHEL7• AWS Solution Architect

Experience

1. Senior Technical Specialist

   HCLTech

   Sep 2024 — Present · Bengaluru, IN

   Project Details - OpenShift Cluster Migration, NvidiaMigrated legacy workloads from VMware to OpenShift Virtualization v4.18 is latest, to improve scalability and reduce downtime and cost saving.Technologies Used:(OpenShift Virtualization & OpenShift pods, ArgoCD, MTV migration tool, Ansible Tower, VMware, GitOps).My Role - Designed and implemented OpenShift Virtualization to consolidate workloads from VMware vSphere.Led automation of provisioning/ Migration VMware data center on OSV & OCP platform using MTV, ITSS and Ansible tools, reducing manual effort by 60%.Key Projects & Achievements:OpenShift Virtualization Rollout: Deployed and managed OpenShift Virtualization to consolidate workloads from VMware vSphere, reducing infrastructure costs and improving resource utilization. Migrated 200+ VMs with zero downtime using automated pipelines.Cluster Upgrade & Automation: Upgraded OpenShift clusters from 3.11.x to 4.x, implementing GitOps workflows with ArgoCD and Ansible Tower. Reduced deployment time by 40% and improved system reliability.Security & Patch Management: Automated patching across 500+ Linux servers using Satellite 6.x and custom Ansible playbooks. Achieved 100% compliance and passed all security audits.Disaster Recovery & Bare Metal Provisioning: Designed and executed DR strategy with <15 min RTO. Implemented bare metal provisioning using shell scripts and Ansible, cutting setup time by 50%.Monitoring & Capacity Planning: Integrated monitoring tools for proactive alerting and capacity forecasting. Enabled predictive scaling and reduced performance bottlenecks.Certifications & Milestones:Completed RedHat exams EX280 (OpenShift Administration) and EX316 (OpenShift Virtualization).

Education

• Stanford University

  Master of Science - MS

• Motivational Pathway

  Bachelor’s Degree, Computer Science Engineering

  2004 — 2009

• Dr. A.P.J. Abdul Kalam Technical University

  Bachelor of Technology - BTech, Computer Science

  2004 — 2009

Skills

• Red Hat Linux
• Unix Utilities
• Veritas Volume Manager
• Unix Shell Scripting
• Cloud Computing
• Hitachi Storage
• Amazon Web Services (Aws)
• Red Hat Cluster Suite
• Veritas Cluster Server