Network Hardware Cisco switch (3550, 2950), HP procurve switch 2810, 2910, 2620, 4840), Cisco Routers (1700, 2500).

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1 R.Rajkumar 9/11, Rama Krishna Nagar, 3 rd Cross St, Eranavoor, Chennai-57, Tamilnadu, India. id: raajkumar05@yahoo.com Mobile No: Objectives To pursue a professionally satisfying growth and challenging career. Seeking a quality environment where my knowledge can be shared and enriched for the growth of the organization and self. Summary of Experience Technically sophisticated and business savvy professional with career of 12 years reflecting strong leadership qualifications primarily in IT Management. Garnered solid experience in Network set-up and Management, System Administration including Server Implementation & Administration, Disaster Recovery Management, Technology Support and Technical troubleshooting. Improved client relations based on superb communication, technical efficiency and problem-solving skills. Acknowledged for capacity to tackle challenging issues, analyze viable alternatives, and provide innovative solutions residing well within clients financial limits and timeframe. Technical Skills Network Hardware Cisco switch (3550, 2950), HP procurve switch 2810, 2910, 2620, 4840), Cisco Routers (1700, 2500). Hardware Dell poweredge 720, Hp proliant (dl330, ml360), VSAT (C & KU Band) & Wireless PowerStation 5 (UBitiqui). Operating System Windows 2016, 2012, 2008, 2003, VMware ESXi 5.5. Networking Protocols Security Pen-Test Tools Virtualization DNS, DHCP, TCP/IP, ARP, FTP, TFTP, SNMP, SMTP, VLAN, RIP, IGRP, EIGRP and OSPF. Fortigate firewall (310B, 110C, 60B, 60C), Sonic firewall TZ205,Symantec End point protection 12, Sophos Antivirus Server, Symantec Backup Exec 2012 & 2010 and Server Hardening & VLan. Nessus, NMAP, Ettercap, Wire shark, Eblaster, Retina Scanner, Legion, Cain & Abel, Superscan, Evidence Eliminator, GFI LAN Guard. VMware Vcenter Server, VMware Workstation.

2 Professional Skills Planning, implementing and maintaining IT infrastructure setup for a midscale office to large scale business unit. Installing and Maintaining RAID Technology. Installing, Configuring and Troubleshooting server features like DNS, DHCP, Active Directory, IIS, Group policy, File and Printer Sharing. Design and implement LANs and the other wireless networks. Proactively handle all network security solutions. Experience in installation and management Fortigate firewall (310B, 60B, 60C and 110C), sonic firewall Tz205 Wireless-N. Experience in Routing /switching (connecting, configuring RIP, IGRP, EIGRP, OSPF, VLAN and HSRP). Installing, Configuring, administering and troubleshooting Antivirus on client and server based operating system thru Symantec Endpoint protection manager 12.0 and Sophos antivirus server. Installing, Configuring, and Administering Data Backup thru Symantec Backup Exec 2012 & Worked within a matrix organization, with experience of working with Project Manager s, Business Units and understanding the commercial/business awareness. Create manuals and support documentation. Installing, configuring VMware ESXi& Managing the VM infrastructure (VMotion, DRS, HA, Virtual Center Server, VM Converter and storage motion). Installation of Citrix Presentation server & Citrix Client Tools. Administration of Citrix XenApp Farms. Configuration of Citrix server policies, Load Management and Printers in the Farm. Creating Citrix Streaming Profiles and Publishing Applications to users in Citrix XenApp. Identifying & analyzing problem to derive a feasible solution. Experience Katalyst Global Solution, Chennai, India Jan 2018 Present System Administrator. Planned and implemented the entire office Network Infrastructure. Administration of windows 2012 Active Directory, DNS, DHCP and Backup Domain Controller. Managing Windows Platforms domain IT Infrastructure, Print server and File Servers permission. Troubleshooting the computer hardware and software, printer and operating system issues. Ordered necessary supplies and parts to repair malfunctioning hardware. Responding to user s problem and assisting them with prompt assistance. Managing groups and users accounts. Applying operating system updates, patches and configuration changes. Administration of Kaspersky Antivirus Server. Backup and archiving on regular basis. Understand client requirements to be able to cater to their appropriate needs. IT Asset procurement and updating Asset Inventory.

3 Reach Consultant, Abu Dhabi, UAE Oct 2014 Nov 2017 Associate Engineer (L2 Support) DC & CS. Managing data center operation with minimum of downtime & Responsible for data center activities and maintenance. Upgraded the Client Server infrastructure, including installation, migration, and decommissioning of old systems. Responsible for installing and racking and stacking of physical devices including; network devices and appliances; physical server installation; out-of-band management; cable management; PDU management. Managed and created Active Directory accounts, network shares, and printing services. Support Routers, switches firewall and VPN installation. Resolve issues related to Windows, network connectivity, as well as problems associated with software and hardware errors. Configure, Troubleshoot, & Repair Computers, Laptops, Servers, Printers, Peripherals and Devices. Maintain and admin DNS, DHCP, FTP for the business unit. Update Windows service packs, files, patches, and systems to improve performance and recovery issues. Prepared and maintained documentation of technologies, standards and procedures. Design and implement wireless LANs and the other wireless networks. Recommend site upgrade such as down tilling of antenna and re-orientation of radio additions Support remote office users using NetMeeting, VNC and Cisco VPN. EMeme Digital Solutions, Hyderabad, India May Sep 2014 Remote System Administrator Installed and configured the Power Edge T320 server. Configure ADS, DNS, and DHCP Server. Configured and administer the Sonic Firewall TZ205 Wireless-N. Installed the Terminal server for access the Peachtree software. Installed and configure file and print server given permission for the users & group. Implemented group policy as per standard procedures. Configured VPN connection in the firewall. Remote troubleshooting with the VPN tunnels for desktop and Laptops. Supreme Food Service GMbH, Dubai, UAE May 2010 to Sep 2013 IT Supervisor at Afghanistan, Bastion To take care of entire IT Projects and monitor entire IT & Network activities at all sites in Afghanistan. Maintain and Troubleshoot Servers like Dell Power Edge & HP Proliant Domain Controllers, Application Server & Storage Severs etc. Installation & configuration of OS like server 2003, Server 2008 for Supreme Networks. Configure & managed the AD, DNS, DHCP server for sites. Creating Group Policies and implementation as per standard procedures. Configured and Maintained Symantec End point protection 11.0 server and Sophos Antivirus server 10. Taking Daily Weekly & Monthly Backups. IDR Server Backups and restore Server images.

4 Configure & maintain Printers servers and Printers. Configure and Manage the NAT, UTM, IPSec VPN, in Fortigate Firewalls. Internetworking (Configure Inter-VLAN, Stacking, IP-Routing, Access list, Mac address Filtering, etc in Cisco L3 catalyst Switches). Installing all type of wireless devices and configuring Cisco device like Router, Aironet, RF-Guns, Power station, MIMO device etc. Installed the internet connection from head office to all remote office using UBitiqui power station. Installing & Configure ISP V-Sat Dish in the All Afghanistan Remote sites. Network monitoring and diagnosis in LAN and WAN environments using enterprise network management tools. Maintaining the Cable TV and Internet connection for the HRDC Camp. EDR Continuous Pvt Ltd, Chennai, India Dec 2008 to Apr 2010 Senior System Administrator Installed and maintaining the DNS and DHCP server. Hardening the Server and the Client machine. Installed and configure file and print server and given access for the users & group. Configured the Trend Micro antivirus server and maintained. Design the layout for cable Installations. Assisted the technicians with the installation of software, modems and drives. Performed Monitoring and maintenance of Local Area Network (LAN). Managing user profiles with proper assignment of rights on resources. Creating standard Net-backup policies and taking back-up of the servers. Restoring the data as per the customer request. Troubleshoot Windows 2000 Servers and streamlining the user policy. Engaged in Networking troubleshooting, Hardware troubleshooting, assembling, operating system installation, software installation & administration. Installing the GIS software in the desktop PC s. Interpress India Pvt Ltd (Daily Thanthi Group), Chennai, India Sep 2005 to Nov 2008 System Administrator Installing and configuring Microsoft Windows 2000 & 2003 Server. Installed and configured DNS and DHCP server. Implementing and administration Active Directory services, replication, Trust Relationship and enforcing Domain wide Group Policies. Performed deployment and maintenance of Print Server and FTP server. Administration and Maintenance of Windows based network of over 300 workstations. Handled User management, which includes Account Renewals, Password Resetting and Groups Permissions and policies. Successfully carried out installation of hardware, Tech support to all of the Branches & Managed Hardware / Software/network. Responsible for new installation of PC, Printer, Dial-up Internet Connectivity, Software installation & support to internal users.

5 Installation and monitoring Sonic Firewall pro 2040 and proxy setup. Configuration, IP Sub netting, Routing, Configuring Routing Protocols, Switching, VLAN, Access List in the Cisco 1700 and 2500 series router and Cisco 2950 switch. CM Software Technology, Chennai, India Mar 2004 to Jun 2005 System Engineer Skillfully and efficiently performed installations & configuration of windows 2000/03 server & professional. Successfully performed Planning, deployment, maintenance & analysis of WAN. Successfully managed a team of 10 members, involved in maintenance. Implemented trust relationship at user and server level. Add users; remove user printer and controlling access right list. Configuring different Network Services. Responsible for designing, implementing, and supporting system backups. Installation and configuration of network services DNS, WINS, ICS, IIS 6.0, and DHCP. Successfully performed Server monitoring and troubleshooting. Monitoring and maintaining Local Area Network (LAN). Extol Computer Center, Chennai, India. Jan 2001 to Dec 2003 Faculty/ System support Engineer. Taken class for student on MS-office, C++, and Visual Basic. Provide software support including installation of software and troubleshooting the hardware and software problems. Configuring the switch and assigning the IP to PCs on the network. Assembling all kind unbranded PC s. Attended Field Calls for troubleshooting systems and giving solutions accordingly. Certifications Microsoft Certified Solution Associate (MCSA) Win Server 2016, 2008 & Cert No: G Cisco Certified Network Associate (CCNA) ID No: CSCO VMware Certified professional Data Center Virtualization (VCP510) Exam passed. Citrix Certified Administrator (CCA) - Citrix XenApp 6. ITIL Foundation Certified. Cert No: Educational Qualification Professional Diploma in Network centered Computing, NIIT. Bachelor of Computer application from C.V. Raman University. Personal Details Father Name : P.Raman. Date of Birth : Languages Known : English, Hindi, and Tamil. Passport No : H