Manikandan Chinnaraj

Sr. Cloud Site Reliability Engineer

VMware Software India Pvt Ltd

Bengaluru

04.2014 - Current

Automated deployment and upgrade of private cloud and virtual Infrastructure components such as compute, storage, networking including 8000 physical servers (ESXI Hypervisor) and 1500 virtual appliances (vCenter, NSX-T, cloud director) using Python, Ansible, Docker and StackStorm.
Responsible for applying security patches across private cloud components as soon as new vulnerabilities discovered and reported by the security team to protect workloads.
Worked on monitoring and visualization of cloud infrastructure components deployed in various global datacenters using observability tools Prometheus, Grafana, and vRealize Operation to provide highly available cloud to internal Tenants to deploy critical workloads.
Maintained auto-remediation project to remediate service requests, incidents, and monitoring alerts using Python, Bash, PowerShell and Stackstorm which resulted in high service availability, 30% reduction in resolution time, and meeting the defined SLA.
Responsible for creating design documents for evaluating new product features from new versions of vSphere, vSAN, and NSX before rolling out to entire cloud infrastructure.
Maintained runbooks for complex incident/bug resolutions and auto-remediating, and SOP documents for operating infrastructure, Tenant/User focused documents for using the cloud and customer communications.
Redesigned and implemented modern application platform logging architecture to redirect logging traffic through separate network path from application traffic on NSX-T platform which reduced frequent application failover incidents between datacenters due to network outages caused by excessive logging and increased performance of 85 applications by 15%.
Configured NSX based L7 and L4 load balancer with TLS certificate and SSL Termination and high availability using NSX Edge cluster for one of the critical enterprise source code managements (SCM) applications.
Worked on critical issues causing potential impact and service downtime for cloud infrastructure components such as VMware vSphere, vCenter, vSAN, NSX, DNS, DHCP, NFS, and iSCSI and tenant/user virtual machine workloads, load balancers, NSX edge gateways for networking services (NAT, DHCP, DNS, VPN, load balancing, Routing, Firewall)
Managed 200 instances of gateway firewall a.k.a virtual to physical (North-South) and distributed firewall a.k.a VM to VM (East-West) to secure virtual machine traffic by allowing or denying only what is required for the workloads running on VMware Cloud Director and NSX-T private cloud infrastructure in various global sites.
As part of capacity management, managed the physical and virtual resource allocation to cloud infrastructure, actively reviewing cloud utilization and reallocating ESXi server resources where needed by removing from underutilized locations to maximize hardware utilization.
Collaborated with various R&D product engineering teams within VMware to work on critical product bugs and provide early feedback on product features through dogfooding programs.
Collaborated with VMware Education, Tech-marketing, Global support services, Learning Platform, Hands-on-Labs, and Pre-sales engineering teams to help deploy and troubleshoot their use case specific workloads VMs or virtual application(vApp) for customer demonstration and training needs on private cloud infrastructure.

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