Krishan Kumar

About Krishan Kumar

Wintel Cloud Built Engineer•Working as Cloud Administrator on Microsoft AZURE, Amazon Web Services (AWS) and Oracle Cloud services OCI involved in configuring new virtual instances, storage accounts, resource groups.• Remote login to Virtual Machines to troubleshoot, monitor and deploy applications.• Managing Windows 2012 servers, troubleshooting IP issues and working with different support teams.• AWS inbound & Outbound firewall rules creation. • Working on Multiples Projects (Some projects details are below which I have completed Successfully ) 1. Active Directory Forest creation.2. Configure Default domain and Domain controller GPO.3. Migrate User’s Home Directories, Redirection & roaming profile Data to Azure Cloud.4. New fileserver creation in DC & User profile, Home Directories, Redirection Migration.5. AWS Cloud Sagemaker Development Environment Setup.• External USB drive encrypted though BitLocker Encryption features when we have any FS Migration.• Decommissions of Servers which is not use.• DHCP server movement implementation.• AWS configure default AWS CloudWatch.• AWS Schedule Snapshot Backup Configuration.• Creation S3 Buckets and provide permissions to requester. • Work on SNOW ticketing tool.• Managing user accounts and giving share & security level permissions.• Created, managed, and monitored group policy assignments to Domain wide OU\'s• Created, managed Organization Units, Groups and Users to dc• Working on FSMAP Conflicts issues.• Implementing new group policies. • Users, services account and servers, workstation migration through ADMT tool• Server security patch update Activity.• ILO IP Configuration• VMware ESXi 6.5 OS installation in the new purchased Physical server.• ESXi license upgradation the existing ESXi license to the newer version ESXi 6.5• RAID 1 and RAID 5 Configuration

Experience

1. Professional 1 System Administrator

   DXC Technology

   Mar 2021 — Present · Mumbai, IN

   Administered and maintained hybrid cloud infrastructure with a focus on AWS and Azure alongside on-premise Windows Server environments.2.Managed and optimized AWS EC2 instances, S3 storage, and Azure Virtual Machines availability and efficient resource allocation.3.Active Directory (AD) management across cloud and on-prem environments, including user and group management, Group Policy Objects (GPOs), and DNS/DHCP configuration.4.Designed and implemented security policies using IAM (Identity & Access Management) to control user access and roles across cloud platforms.5.Supported server migrations to the cloud, assisting with the lift-and-shift process for applications and workloads moving from on-premise to cloud environments.6.Successfully migrated over 500+ virtual machines from on-prem to Hyper-V Cluster with DT Tool & Replication without impacting uptime, improving scalability and cost efficiency.7.Enhanced security by implementing MFA and role-based access control in AWS IAM and Azure Active Directory.Key Skills:A. Cloud Infrastructure:•AWS•Microsoft Azure (VMs, Resource Groups, Storage, Azure Active Directory)•Oracle Cloud Infrastructure (OCI)•Hybrid Cloud Architecture & ManagementB. Windows Server Administration:•Windows Server 2012/2016/2019/2022/2025 Management•Active Directory & Group Policy Management•DNS, DHCP, and File Server Configuration•User Account Management & PermissionsC. Virtualization:•VMware vSphere/ESXi (vCenter, VM Management, Snapshots)•Hyper-V Management•VM Creation, Migration, & Cloning•VM Automation via PowerShell/ScriptsD. Networking & Security:•Cloud Network Configuration & Troubleshooting (TCP/IP, VPN, Subnets)•Firewall Management (AWS Security Groups, Azure NSG, VPN Gateway)•Network & Storage Configuration (RAID, NFS, iSCSI)•Security Configurations (SSL/TLS, VPN, MFA, IAM Policies)E. Monitoring & Performance Management:•Cloud Monitoring (AWS CloudWatch & Server & VM Monitoring Tools (Dynatrace)

Education

• Microsoft

  Azure Fundamentals (AZ-900), IT

• Microsoft

  MCSA, IT

• Pandit Deendayal Upadhyaya Shekhawati University

  Bachelor of Arts - BA, Public Administration and Social Service Professions

• Jetking

  Diploma in Hardware & Networking (JCHNP), IT

  2010 — 2013

• Pandit Deendayal Upadhyaya Shekhawati University

  Bachelor of Arts - BA, Public Administration