Krishna Kumar Singh Email & Phone Number

Gurgaon, India

Active Directory- Creation of users, Groups & OU. Assign permissions to Group & users also managing Office 365 support. Installation, Configuration & troubleshooting of windows server 2012, 2016 Windows client and server OS & other applications support physical servers and virtualized environments managing Hyper V and VMware Servers.Managing Veeam Backup and replication for taking backup of the servers.Managing and maintaining Dell EMC Storage like as creating LUN, Shared drive, etc.Managing Avamar backup Server, Policy, client backup and restore as per client requestConfiguring, maintaining & troubleshooting network printers on Print Server.Configuring and managing networks switch and Ruckus Wi-Fi Controller.Managing and monitoring firewalls (WatchGuard, Checkpoint and Palo Alto, Meraki).Managing and troubleshooting Sentinel One Antivirus.Configuring, managing, and Monitoring Solar winds Server.Managing Server Patches and also mitigate vulnerability from Qualys management.Managing compliance by Splunk cloud. Managing McAfee encryption serverManaging DLP Server (Websense-Forcepoint). Managing Shared drive as per SLA and user request.Perform daily system monitoring, verifying integrity and availability of all hardware, server resources, and key processes. Responsible to achieve uptime commitment in Defined SLA. Creating SOP & documentation Experienced in incident Management, Service Management & Vendor Management Support end users on complex technical issues including problems related to applications, client computers & servers. Managing Incident by Fresh Service and Snow ticketing tools, Worked on Service Desk As well.

New Delhi Area, India

Installation and configuration of MS Windows server 2008, 2012.User ID creation in active directory ,OU Creation ,Group Creation ,Reset Password for AD Users and Moving user from one OU to another OU.Managing in DHCP Server Like creating scope and troubleshooting of DHCP servers.Creating Group Policies and Implementation as per standard Procedures.User Administration Requests- Creation /Deletion/Modifying of User and Group Membership.Install, configure, maintain, and troubleshoot Windows Operating system on physical servers and in virtualized environments.Install, configure, maintain and troubleshoot DFS servers.Distribution Group creation and Managing add/Remove user according to requirement.Install, configure, maintain and troubleshoot various server hardware (Blade, Rack, and Tower).Perform daily system monitoring, verifying integrity and availability of all hardware, server resources and key processes.Resolving the client issues remotely.Resolving day to day issues of user’s login. Managing & Troubleshooting Office 365 issues.Managing Win magic encryption server.Managing DLP Server (Websense-Forcepoint).Managing Trend Micro Antivirus.Configuration and maintaining IP Phones (Avaya/Asterisk).Responsible for troubleshoot Microsoft windows issues, configuring & troubleshooting Microsoft outlook accounts,Configuring, maintaining & troubleshooting network printers on Print Server.Taking Care Windows related critical calls.

Noida Area, India

Handling Customer problems related to LAN, WAN, CCTV, Kronos Time attendance machineResolving the client issues remotely.Managing Wi-Fi modem and network equipment’s.Basic configuration of Access Layer Router.Troubleshooting internet connectivity LAN\WAN Wi-Fi connections,Installation of operating system windows XP, 7 and 8. Installing and managing Network and wired printers.Troubleshooting hardware problems, OS and Configure Workgroup into Domain.Managing, configuration & troubleshooting E-Mails in Microsoft Outlook 2007/2010.Monitored the LAN/WAN network environment including routers, switches, firewalls, and Internet access and software applications.Switches: Configuring & managing VLAN setup on Cisco 1800 2900, 3600 series. Handling Wireless connectivity related issues.

Diploma, Network And System Administration/Administrator

Master'S Degree