راجيش Thobias

Client: Telefonica (UK) | NTT Docomo (Japan) | Local 5G (Japan) | Surge (Indonesia)
• Lead a Cloud Platform Engineering team responsible for cloudnative infrastructure deployments and operations.
• Deploy and manage productiongrade Red Hat OpenShift clusters supporting telecom workloads.
• Manage largescale Kubernetes/OpenShift clusters supporting production telecom workloads.
• Administer AWS EKS Anywhere Kubernetes clusters across distributed environments.
• Perform advanced troubleshooting across Kubernetes, Linux, networking, and infrastructure layers.
• Implement monitoring solutions using Prometheus and Grafana, improving system observability.
• Support and optimize CI/CD driven deployments and automation pipelines.
• Drive incident management, root cause analysis, and defect resolution using JIRA, ServiceNow, and Redmine.
• Contribute to platform stability, performance tuning, and high availability architecture.

Client: Bharti Airtel (India) | DISH Telecom (US)
• Deployed and administered Kubernetes clusters supporting containerized telecom workloads.
• Implemented and managed OpenShift clusters supporting containerized telecom workloads.
• Engineered and maintained VMware based virtual infrastructure for distributed cloud environments.
• Led multilayer troubleshooting across Kubernetes, virtualization, and networking.
• Supported CI/CD pipeline deployments and automation workflows.
• Implemented monitoring solutions using Prometheus and Grafana, improving system observability.
• Managed incident lifecycle using JIRA based ticketing systems.

Client: Verizon | AT&T | TMobile | Sprint (US)
• Implemented and managed OpenStackbased private cloud infrastructure supporting largescale telecom workloads.
• Integrated and supported virtualized workloads across distributed cloud environments, ensuring performance and scalability.
• Provided Tier2 TAC support, troubleshooting complex issues across compute, storage, networking, and Linux layers.
• Managed incident lifecycle, root cause analysis (RCA), and resolution through ServiceNow ticketing system.
• Collaborated with crossfunctional engineering teams for defect analysis, system optimization, and infrastructure stability.

Client: AT&T | TMobile | Sprint | Orange | Telefonica | Singtel | Maxis
• Led integration and deployment of largescale telecom infrastructure for Tier1 global operators across multivendor environments.
• Administered and supported Linuxbased systems for telecom platforms, including installation, configuration, and troubleshooting.
• Performed endtoend system integration, validation, and acceptance testing for telecom network elements.
• Troubleshot complex issues across network, operating system, and application layers, ensuring system stability and performance.
• Collaborated with crossfunctional teams for issue resolution, defect analysis, and production support.

Client: Bharti Airtel | Vodafone | Docomo | Aircel | Idea
• Performed Linux system administration for telecom network elements across distributed infrastructure environments.
• Installed, configured, and maintained telecom infrastructure nodes across multivendor environments.
• Managed Linux server provisioning, patching, and lifecycle operations, including performance tuning (CPU, memory, disk), file system management, permissions, and security hardening.
• Performed network troubleshooting and log analysis and developed shell scripts to automate routine operational tasks.

Client: Airtel | Vodafone | Docomo | Aircel | Idea
• Performed Linux system administration for telecom network elements across distributed infrastructure environments.
• Installed, configured, and maintained telecom infrastructure nodes across multivendor environments.
• Managed Linux server provisioning, patching, and lifecycle operations, including performance tuning (CPU, memory, disk), file system management, permissions, and security hardening.
• Performed network troubleshooting and log analysis and developed shell scripts to automate routine operational tasks.

Client: Bharti Airtel | Vodafone | Docomo | Aircel | Idea
• Performed Linux system administration for telecom network elements across distributed infrastructure environments.
• Installed, configured, and maintained telecom infrastructure nodes across multivendor environments.
• Managed Linux server provisioning, patching, and lifecycle operations, including performance tuning (CPU, memory, disk), file system management, permissions, and security hardening.
• Performed network troubleshooting and log analysis and developed shell scripts to automate routine operational tasks