Hari Krishna K Email & Phone Number

Andhra Pradesh, India

Gopalpur, Orissa, India

Visakhapatnam, India

• Configuring and Maintaining Cisco routers(1840,2800) and Switches(2960,3750,exp 500), Firewall NSA 2400• Configuring and Maintaining Site to Site VPN between head office and Site Office (IPSec)• Configure and Maintaining Remote VPN Access for Mobile Users• Configuring VLAN’s on Cisco 2960 and 3750 Switches and Inter VLAN routing with Layer 3 Switch• Configuring and Maintaining Wireless Devices Point to Point and Point to multi Point(Ruckus, Cambium and Motorola Canopy)• Installing and Maintaining Surveillance Camera’s in Organization through Fiber Optic Cables and Wireless Connectivity.• Monitoring Network and System services Using WhatsUpGold.• Installation, Upgrade, Configuration, Maintenance and Troubleshooting of the Operating systems and Services(Linux, windows)• Active Directory and group Policy administration and Windows Server Upgrading and Migrating• Configuring and maintaining DNS and DHCP, file and print services in windows Server (2008 and 2012 R2)• Creating User accounts and groups management in Domain Server.• VMware VSphere Administration: Install, Configure VMware ESXI, within the VSphere 5.5 and VSphere 6.0 environment• Installing and maintaining Antivirus Server (Kaspersky)• Responsible for providing IT Infrastructure support to the existing network.• Install and Maintain third party software like Avery and Essay Software’s.• Configuring and maintaining IBM X3650 SAN storage• Implementation and maintenance of RAID• Creating pools on SAN Storage and Creating volumes and mapping to host.• Maintaining NAS Storage (Lenovo and NetGear) for file sharing & Backups• Maintaining asset management for Windows hardware, software and Network devices and ensure that asset management policies are adhered to by the team.

Visakhapatnam

• Configuring and Maintaining Cisco routers(2800) and Switches(2950,3750)• Maintaining and Configuring Voice Devices and PBX (Software) • Maintaining ASA 5510 Firewall and leased lines, VOIP,SIP,Asterisk• Establishing site-to-site VPN to remote offices• Installation, Upgrade, Configuration, Maintenance and Troubleshooting of the Operating systems and Services(Linux, windows)• Maintaining Linux Based software PBX (Ameyo) server, SQUID server and Web server(APACHE),MRTG, Bandwidth tools• Managing Users, Shares & Permissions, Shell scripts• Monitoring the Network, User, Systems activities and server performances using NAGIOS monitoring tool• Configuring and maintaining SQUID server and web server(APACHE) and bandwidth tools(squint, bandwidthd)• Involved in Performing and maintenance of Backups & Restoring and Job scheduling • Involved in the Implementation and maintenance of RAID