Rameshkumar M

· • Hands-on creation & design strategy to implement availability sets & availability Windows and Linux Server zone for IAAS workloads.

• Provisioning Compute resources like virtual machines, virtual machine scale sets for auto scaling VM's.

• Hands on creating custom ARM templates.

• VMs hardening using security options like load balancer NAT(Port Forwarding), NSG, Privileged access and Protection against malware.

• Monitoring performance metrics, Resource Health & diagnostic logs to connection troubleshoot.

• Setup monitoring alerts based on metrics, resource health and backup operations.

• Adding extensions, redeploying & resetting password for vm's.

• Designed and Implemented Azure Virtual Networks for Isolation, Segmentation and Creating Networking Components like VNET, Subnets and VPN Gateways.

• Connecting azure regions and establishing communication between azure resources using virtual network integration and service endpoints.

• Configured VPN Connectivity's like Point to Site, and VNet to VNet VPN's for Secure Communication & Hybrid Cloud.

• Monitoring network traffic, packet flow and latency using Azure Network Watcher.

• Configured Application Gateway and Load Balancers for VM workloads and Web apps.

• Worked on Azure Storage services like Blob and File, Knowledge on Azure Queues and Tables.

• Managing storage access keys, encryption, configuration, SAS and Protecting the storage account from another virtual networks & internet.

• Enabling Geo-replication as per requirements for fail-over and data redundancy.

• Creating storage containers and file servers using azure services. Configuring blobfuse and fileshare on Linux vm’s.

• Migrating & Copying on-perm data to azure storage accounts using azure storage explorer and AZ Copy Tools.

• Mounting & Unmounted the azure files to windows & Linux vm and on-perm servers.

• Attaching and Detaching data disk to vm's and Resizing the OS and Data disk as per required size, choosing right disks for Dev, QA and production environments.

• Creating snapshots images for OS and data disk and Creating Images for IaaS workloads for frequent deployments.

• Creating managed & un-managed disks, converting un-managed to managed disks using power-shell script.

• Managing identity and access management using RBAC (Role Based Access Control).

• Worked with Azure Monitoring Services like Log Analytics (OMS Dashboard), Azure Monitor, App Insights and Network Watcher.

• Enabled & Monitoring Azure Security Center for resource policy and compliance, resource security hygiene for azure resources.

• Automate the process using azure automation service, run books and update management.

• Enabled and Maintain Azure Key vault services storing certificates and secrets to access from central location.

• Configuring and hosting Azure App Services for Web Apps.

• Interacted with supporting teams to understand client deployment requests.

• Coordinate with Development, Database Administration, QA, and IT operations teams to ensure there are no resource conflicts.

• Managing the billing portal, monitoring resources utilization and cost using cost analysis tool.

• Proactively seeks opportunities to implement improvements to internal development processes.

• Documented all post-deployment issues in a log and assist in resolving these issues where applicable, maintaining timely updates within the log.

• Escalating complex issues and getting the RCA for issues from Microsoft support team.

• Knowledge on, Database Services, Functional Apps, Traffic Manager, Azure DNS, Azure CDN, Express Route.

• Enabled & Integrated Azure Active Directory Domain Services for VM's Single Sign-On.

• Increased system security and performance with proactive changes.

• Improved operations by working with team members and customers to find workable solutions

• Upgrade Azure Kubernetes cluster(AKS), istio, velero backup and troubleshooting any arising issues.

• Build new RHEL 6 and 7 physical, virtual and cloud servers using standard procedures.

• Log case with Vendor to replace any malfunction component found and work for RCA

• User Administration: Add/remove/reset user account

• Performance monitoring: Disk and Network usage.(Nagios/xymon/Perf Script)

• Responsible for Day-to-day systems administration tasks in Red Hat Linux.

• Create ext3, CIFS ,NFS and XFS file systems on Red Hat Linux environment.

• Perform OS upgrade from various version/release of Linux.

• Configure kdump on Linux systems to collect crash dump while abrupt reboot/shutdown for RCA

• Configure Samba/CIFS file system to access in windows systems

• Troubleshoot boot related problems.

• Involved in adding multiple TB's of Storage LUN's into Linux servers

• Manage software package: add, remove from Linux servers.

• Liaise with DB team for Oracle DB RAC cluster related issues

• Liaise with Datacenter person for troubleshooting any hardware related issues

• Liaise with Project managers for different project related activities.

• Commissioning/Decommissioning of new physical/virtual servers

• Security implementation and fixing vulnerabilities after Retina scan

• Configure and Troubleshoot NFS Server and client.

• Trouble shooting and Resolving Veritas NetBackup issues

• Migrating Physical servers into Virtual(p2v)

• support oncall on rotational basis

• Administrating Sun Solaris servers that includes Production, Dev and QA Setup.

• work with vendors for any hardware issues

• coordination with Datacentre person to fix any hardware related issues

• Install latest recommended patches, packages and Third party software’s

• Write basic shell scripts to automate and minimize the routine tasks

• Work with vendor and provide RCA for any unexpected reboot or crash.

• Work on Physical to Virtual server migration

• Provide production and maintenance support for SBI Internet Banking website www.onlinesbi.com

• User administration using CLI and IBM Tivoli Identity/Access Manager.

• L1, L2 & L3 Support/administration

• Provision new SUN Sparc servers at DC

• SAN/NAS Administration

• Disaster Recovery Site operations and support

• Manage Sun servers which includes Production, DR and Staging Setup.

• Manage SAN ( Sun storagEdge 6130) storage and NAS X4500 storage.

• Monitor and administration of Veritas NetBackup6.0

• Monitoring and administration of Veritas cluster Server/VVM

• Co-ordinate with Vendors to do server maintenance activities such as hardware replacement at DC and to find out any RCA

• Perform remote synchronization of file systems for DR activity.

• Perform vulnerability Assessment scan and Operating system Hardening

• Perform security recommendations as per client’s policy.

• Performing file uploads via SFTP on Client request.

• Installation of latest recommended patches.

• Write shell script to automate and minimize the routine tasks

• Perform DR Drill on regular period to ensure business continuity