Marella Siva Kumar

AWS Public Cloud :

• Design, implement, and optimize AWS networking (VPCs, subnets, route tables, NAT/Internet gateways, Transit Gateway, VPN, Direct Connect) and global traffic delivery (Route 53, CloudFront, Global Accelerator) while reducing costs.
• Manage AWS security and compliance: IAM, multi-account strategies, policies, MFA, and data protection; audit and remediate findings via CloudTrail, Security Hub, GuardDuty, and AWS Config.
• Configure highly available and resilient environments using Auto Scaling, ELB/ALB/NLB, Route 53 health checks, Multi-AZ deployments, and managed database scaling (RDS, DynamoDB).
• Implement backups, snapshots, versioning, and disaster recovery procedures to meet RTO/RPO objectives and ensure business continuity.
• Monitor and optimize performance of compute, storage, and databases (EC2, EBS, S3, EFS, FSx, RDS) using CloudWatch, Prometheus, Systems Manager, and automated remediation.
• Automate operational tasks and incident response through CloudWatch alarms, EventBridge, Lambda, and Systems Manager runbooks for efficient, scalable operations.

Implement Infrastructure as Code using CloudFormation, Terraform, or CDK; maintain versioned templates/modules.

VMware private Cloud

• Build and implement network function virtualisation infrastructure that caters for Network services future needs such as 4G & 5G
• Interacting with Cloud infra/Network/Tools with Network Operations teams to create innovative solutions to reduce network impacting incidents, improve speed and accuracy of changes, reduce manual work and also enhance network tooling visibility.
• Manage Telco Cloud life cycle for all S/W & H/W components including vendor management
• Understanding application networking/infrastructure requirements and translating them to a configuration deployment as part of the automation
• Design, develop, implement and Integrate new SW releases for virtualised environment
• Design, develop, implement and Integrate Telco Cloud Infrastructure HW, SW , Security and services.
• Ensures the Telco cloud growth requirements and expansion capacities needed for on-boarding of the services and functions requested by service owners
• Understanding application networking/infrastructure requirements and translating them to a configuration deployment as part of the automation
• Deployment of Bare Metal, Public, Private and Hybrid Cloud solutions’
• Match Vendor Samsung and mavenir requirements to advanced capabilities in the VNF/CNF/NFVi/NFVO/VNFM/VIM/MEC space
• Managing the private cloud (VMware Telco automation ) and on boarding the CSAR and deploying the NF
• Managing the VMware Infra (work loads) and deploying the esxi and node pools through TCA
• Configuring the kubernetes Cluster on VMware Telco and integrate workloads
• Managing the kubernetes Cluster and on boarding the NF on the node pool and configuring the PODS on the NF
• Deploying and managing all workloads through airflow automation tool for CSAR upgrade ,VM resizing ,site realignments ,
• Deploying and managing the Dark and lit sites on the VMware workload and migrating from lite to dark ,multi dark to single dark
• Coordinating. RAN Team and managing the DUs on the pods
• Managing the Kubernetes Cluster through Rancher for day to day pods level troubleshooting
• Monitoring the alerts in grafana and prometheus
• Using telco tools like T3(telco triage kit) and ZTP gazer for SITES deployment
• Using the omni DB and Green Db for site cloudZone data
• Managing the H/W like DELL, Super micro for bare metal deployment incase of hardware issue co-ordinating hardware vendors and FE team
• Using ticketing tool like jira and snow for day to day INC
• Using INFOBLOX for managing the IPAM

VMware Administrator

• Designing, Implementing and Deploying and end to end configuration of VMware Virtual infra structure Like Vsan ,Nutanix ,SAN clusters
• Deploying and configuration of Vcenter and upgradation, patching and migration.
• Deploying of ESXI installation over Bare metal Server ,upgradation ,patching and performing maintenance activities over the cluster
• Creating and Designing of Virtual switches Like Standard ,DV switches over the Virtual Infra
• Creating and configuring port groups on switches
• Migrating of Network Switches From Standard to DV Switches Configuration the LAG and LACP over the Both Virtual and Physical Switches
• Maintaining the Cluster Resources with HA DRS rules
• Extending and Migrating the Clusters form 2 node to Single site , Stretchered Vsan clusters and Nutanix clusters
• Creating and Implementing the Storage Infrastructure to Cluster Like Vsan ,San, Nutanix, NFS data stores
• Creating and Managing Virtual Machines, Templates and Cloning.
• Create virtual machines, install operating systems inside VM's and install tools and configure these VM's based on customer requirements
• Performed ongoing performance tuning, hardware upgrades, and resource optimization as required and Configure CPU, memory, and disk partitions as required
• Performing Snapshots, Cloning, Cold Migrations and Hot Migrations
• Exposure on vMotion migration, High Availability feature, DRS feature.
• Performing Snapshots, Cloning, Cold Migrations and Hot Migrations
• Creating and Configured Resource Pool and Setting limits on CPU and RAM
• Creating the Users and Managing the Administrative Roles On Venter
• Designing and Implementing of Fault Tolerance on the servers and Performing the Failover Between Clusters
• Creating The alerts ,Policy Definitions over the VCenter and Configuring the Email alerts
• Deploying and Implementing the Monitoring TOOLS like VROPS,VLOG Site manager, Skyline Tools
• Implementing the Backup Solutions for the Centers and Restoring from the backup
• Deploying the Site Recovery Manager and Providing the end to end DR solutions Over the VMware Infra
• Deploying the Zerto Replication and performing the Failover During The DR activities
• Managing the End to End VMware license Management over the Virtual Infra
• Creating the Monthly MIS documents ,Inventory ,Rack Diagrams Of vmware landscape
• Creating The architecture Diagrams of VMware Bare metal servers ,Network L3 Switches ,application connectivity Over the DC
• Physical to Virtual (P2V) / Virtual to Virtual (V2V) migration using VMware Converter
• Patching and Upgrading of VSphere Replication and VMware site Recovery manager
• Troubleshoot, debug, and diagnose customer issues involving a wide range of technologies employed in Nutanix-based virtualized software and hyper-converged infrastructure appliances
• Specialist in Nutanix technologies and features with a broad IT skill set, with specialization in Nutanix Files (File Server Technology), and Hardware
• Perform deep dives/technical reviews for stuck cases and Root Cause Analysis (RCAs)
• Troubleshoot, debug, and diagnose customer issues involving a wide range of technologies employed in Nutanix-based virtualized software and hyper-converged infrastructure appliances
• Upgrading and patching the Nutanix landscape

Windows Servers

• Operating System: Windows server 2012R2,2016,2019
• Managing Windows Server Infrastructure.
• Configuring and monitoring the health of active directory and servers.
• Installing, configuration and administration of windows2008,2012 and 2016 ,2019,2022 servers
• Disk Management utilities tools.
• Controlled Shutdown and restart of services and dependencies.
• Creating Group Policies and Implementing as per standard procedures.
• Installing Roles Over the Server Manager
• Working on Change Management and Incident Management.
• Migrating the Windows server from one version to another version
• Creating the bare metal backup on the critical servers
• Creating the Users and Provide admin level access
• Creating the File sharing and Mapping the network drives to the user
• Creating the NFS sharing on the UNIX servers
• quarterly patching on all Windows servers
• Deploying Of Windows Cluster Servers For MS SQL DB
• Creating of task schedulers ,port connections ,event viewers

Unix :

• Installation, maintenance of Unix servers like Red Hat Linux 7.x, 9.xservers Centos, SUSE.
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Installation of patches and other software packages using satellite Repository
• Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,.
• Creating Profiles, Users, Roles and maintaining system security.
• File permissions to the directories
• Configuring the REAR Backup to The physical based Unix servers
• OS Upgrading using RHEl Satellite servers
• Adding and Registering the Servers into RHEL Subscription Portal
• Configuration of PORT Binding ,teaming of the servers
• Creating and mounting NFS ,Samba , share files in the server
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain

Data center Operations

• Data center Migration and Performing the Firmware upgrades on The HP ,Dell ,Lenovo, IBM physical servers
• Kickoff and Deploying the VMware Projects like Vsan two node cluster, Vsan stretched cluster and Nutanix
• Kickoff and Deploying Veeam back up and Replication and creating the Backup repository on Physical hardware
• Cabling and Network connection on the network core leaf switch to manage network traffic
• Managing all the Standard Lone Physical servers and creating the Raid on the servers and deploying the windows &Lunix servers
• Managing the all Hardware like, LENOVO, HP, DELL, IBM, Flash IBM Storage SAN STORAGE, DELL EMC
• Monitoring the Physical hardware in case of any hardware failure coordinating with VENDOR and changing the faulty hardware in the server
• Configuring and Creating RACKS of all Data center physical hardware in the centralized Lenovo XClarity administrator and HP Rim server
• Configuring the alerts and event forwarding IN the LXCA in case if any hardware failure of Prod servers which trigger the mail to all server owne

Data center Disaster Recovery Drills (DR-Drills)

• Conducting the DR-Drills Through SRM (VMware Site Recovery Manager) on PLM production servers on yearly basis
• Conducting the DR-Drills Through Vsan stretched cluster Failover and Failback on the Production ESXI servers
• Conducting application Based (SAP, Banking) Drill Through IBM Resiliency Orchestration TOOL and Zerto Replication tool
• Review the Outcome of the Drill RTO (Recovery Object time) AND RPO (Recovery Object time) and Plan the Better DR Solutions
• Creating the Reports and Creating the architecture Diagram and Submitting to the Higher management

Veeam Backup roles and responsibilities:

• Configuring Backups for different applications from VMware vcenter server
• Deploying and Managing the Veeam backup and replication Infra structure to ensure all backup of servers, application data base like Oracle, SQL,My SQL
• Creating the backup Repository on Windows/Linux and integrating the Security policies on the Backup Files to ensure vulnerability
• Configuring backup jobs of all virtual servers form the Vcenter
• Deploying the Veeam Agent On all Physical servers and taking the Backup of Application ,data and OS level Backup
• Upgrading the Veeam backup and replication tool
• Update veeam policy and procedures
• Taking configuration backup of the Veeam server
• Taking backups from repository to tapes.
• Tracking the backups and files of the backup jobs.
• Generating the monthly reports for the Veeam
• Managing backup systems. including troubleshooting failed jobs and running markup jobs as necessary on daily basis
• Monitoring backup jobs and alerts to ensure the backup are valid and occurring on a desired frequency
• Conducting analysis of company systems to to determine disaster recovery best practices
• Scheduling, managing and conduct backup testing and disaster recovery plan on frequent basis
• Recovering the server form the backup in case of server crash and application crash
• Configuring & Managing the IBM tape Infrastructure
• Creating the tape media pools like Offsite Onsite pools
• Taking the all backups into IBM Tapes and send into Disaster recovery site
• Recovering the Servers application from the Tapes IN case of Disaster Triggered
• Managing the all Veeam License and instance on the Veeam Portel