objective

I am looking for a challenging and rewarding environment where I may utilize my experience and strong interpersonal skills. I am looking forward to an opportunity to work as a team member and an individual to improve the organization.

Summary

I have over 6 years of experience in Information Technology integrating different flavors of Linux and Windows in diverse heterogeneous environments. Have excellent skills in performance tuning and automation. As Systems Administrator, was responsible for maintaining large environment of different OS Systems, Applications as well as Data Base Systems relational and nosql.Technical expertise include though not limited to the following:

Operating Systems, Software and Protocols:

RedHat, CentOS, Ubuntu, AIX, Solaris, Windows 2000, 2003 XP and Win7, 2008 and 2010 Server , Microsoft Office Suite Office 2003, 2007 and 2010 , NFS, NIS, Automount, DNS, DHCP, Veritas Netbackup, TCP/IP, UDP, Lpd, cups, POP, IMAP, Exchange, Sendmail, Samba, VPN, Citrix and VMware ESX, SNMP, Ganglia, Nagios, Puppet, Hadoop eco Systems HDFS, Mapreduce, Ambari, Ping, Hive, HBase, Zookeeper

Languages:

Bourne Shell sh

Hardware:

PC hardware Compaq, Dell, IBM, ITI etc. and Unix systems from SUN and SGI, Printers from HP, Textronix and IBM. Cisco switches and Routers.

Networking:

EIRGP, RIP, OSPF, ACL, NAT, VLAN, Port Trunking, PoE, Voip

Professional experience

Network Technician/Engineer

As an integral part of an IT department responsible for diverse environment, I have contributed enormously to the successful integration of hardware and software architectures. My main duties include direct user support as well as server support. I have completed several projects, which have brought tremendous improvement in the computing environment, to integrate diverse Linux and Windows environments. Providing 1st and 2nd level system support managing all flavors of Linux and Windows platforms day to day duties include the following. Confidential , automount, Remote access, NIS, PXE server, File Servers, DNS, DHCP, Net Backup and Printer servers , upgrading packages and patching systems to maintain the productive environment, setting up NIS domains, which involves configuring servers and client roles, creating netgroups, maps and propagating maps to slave servers and clients via cron jobs and manually. Setting up directory shares with NFS servers, and configuring clients as NFS clients, setting up automounts for home directories in different domains, ensuring backup of all the servers and clients using Veritas net backup software, restoring data in the event of emergency, compiling new kernels, creating and modifying scripts mainly sh to accommodate the administration of daily duties.

Direct User Support: Duties also involve the response to users over 500 on site and lot more remote problems ranging from all kinds of hardware platforms to software fine tuning requests via RT a proprietary system for central management of users' requests .

VMware: Installing, configuring, and maintaining VMware ESXi servers. Applying patches, updating, on ESXi servers. Monitoring, analyzing, and optimizing virtualization performance of ESXi hosts and virtual machines. Install, configure, and maintain Microsoft, Citrix, and Linux virtual machine templates. Assist with new system design/testing, and implementation.Troubleshooting and providing problem resolution of software issues.Confidential: Installing, configuring and deploying Horton Works's Hadoop Cluster. Monitoring Hadoop cluster using Nagios, Ganglia and Ambari. Adding/decommissioning Nodes. Managing Log files and working with configuration files. Performing Hadoop users' management creating users and setting quotas Benchmarking MapReduce jobs. Providing training on HDFS shell commands

Confidential: As a team player attend seminars and presentations from different vendors to stay up to date, test and implement new technologies to improve the infrastructure. Recently I tested Raritan products for complete data center management including asset location and monitoring systems as well.

Windows: Building and maintaining Domain Servers Exchange, SMS, Active Directory, VMware, and printer servers distributing domain wide software, and applying licensing policies, using SMS, and setting up domain wide policies.

Cross Platform Support: Configuring and maintaining Samba servers to provide access for UNIX home directories and printers on Windows platforms.

Mail: Setting up aliases and mailing lists for users' convenience.

Networking: Assist senior network administrators in resolving network issue such as trouble shooting network connectivity, RSA VPN DNS related issues.

Video Conferencing: Setting up Video Conferences using Picturetel and Cisco Tele Presence

Security: Scanning the entire network using McafeeFoundScan server to find vulnerable hosts and fixing the vulnerabilities

Confidential

Linux/Network Administrator

As a Linux system Administrator responsibilities included support for developers on CentOS and Ubuntu, Installed and upgraded Operating systems, setup network printers and performed backups and restores using netbackup as needed. Duties spanned user accounts creation, modification, disk management, adding and removing packages and patches. Performed network OS installation. Monitored servers using in house built applications bases on SNMP protocol and Nagios utilities. Setup NFS, NIS Servers and clients.On Windows Side configured AD, DHCP and DNS server. Solving users problems on windows was daily routine.As a network admin Established network specifications by conferring with users analysing workflow, access, information, and security requirements designing router administration, including interface configuration and routing protocols.