•Multi-Hypervisor Platform Hyper-V, Vmware vSphere, vCenter, vSAN suite in a cluster environment and Cluster Management.•Proactively day-to-day administration of different types of Linux Servers based on Ubuntu, RHEL & SUSE Linux & Windows servers.•Administration of Active Directory, FSMO, DFS, Storage Replica, GPO, DNS, DHCP, CA, RDS, IIS, WSUS, DigiCert SSL, McAfee EDR, Skype for Business Server etc.•Dell-EMC SAN & NAS Storage•Exchange Server 2016, 2019 and day-to-day email administration activities such as Email Creation, Deletation, restoration, clear IIS Logs, Mailbox migration/re-size, managing Distribution Group, configuring archival mailbox & policy, Domain health check, Blacklist check, SPF record test, Test DMARC record, Test DKIM, Test BIMI record, Email tracing and analyze email headers & NDR.•Create credentials according to specifications (Mail, Active Directory, and Skype for Business)•Maintain a Linux Cloud Storage (ownCloud) with doc processor for around 500+ users in a cluster environment•Office 365 services administration•Veeam, Veritas SCDPM Backup and Recovery.•Patch Management Tool SCCM/MECM.•Database Servers MSSQL, MYSQL, Apache & MariaDB.•24x7 All systems & services uptime monitoring by NMS (Nagios,PRTG) and take corrective action according to alert•Next Gen Firewall (FortiGate/Sophos/PaloAlto), Secure E-mail Gateway (Barracuda/SPAMTitan), Web Application Firewall (Fortinet/F5), Application Loadbalancer (FortiADC/Loadbalancer.org/F5) administration•Implement vulnerability assessments tools and policies. Conduct security audits on Windows/Linux operating systems, different types of services to detect patterns, insecure features, and malicious activities in the infrastructure by using Burp Suite, Nmap, W3AF/W4AF, Nessus, Metasploit, OWASP Top 10 framework etc.•Monitor and Analyze the log of all System, Network, and Security devices by Wazuh XDR, Threat Intelligence•Prepare system and network design model, specification and diagram

Administration of DFS Server, Hyper-V, HCI Infrastructure using StarWind VSAN, Mcafee Antivirus, Veritas & Veeam Backup Server, Web Server, Log Server, Cloud Storage• Manage SAN (Dell-EMC) and and NAS (Dell) storage.• Monitor and Analyze log of all System, Network and Security devices by Monitoring and Log Analyzer Tools• System Vulnerability Assessment by Vulnerability assessment tools and Analyze network by Network Analyzer tools.• Developing, documenting and maintaining policies and procedure for System Administration.• Maintain & Troubleshoot corporate Distribution and Access layer network.• Maintaining hardware & services in the Data Centre.

Install and configure both IBM & MAC hardware, OS and Software. Diagnose and solve any hardware/software faults of PCs. Troubleshoot various types of LAN issue. Manage network printer, Wireless Router. Keep an up to date inventory of all IT equipment.