SUMMARY

• A dynamic Server Administrator professional experience in Server Build, Very Strong in Configuring Raid levels, Troubleshooting Network & TCP / IP issues, Installation of Microsoft and Linux (RHEL) patches on a monthly basis, Monitoring technical alerts, Disk space issues & Decommission and Incident, Change, Service & asset management task Confidential the time of server shipment.
• Over 7 + Years of professional experience as System Administration, Integration, Security and Management in supporting IBM AIX 4.x/5.x/6.1 servers, Sun Solaris, Linux (RHEL) and Citrix Servers.
• Expertise in installation, configuration and administration of AIX 4/5/6 & RHEL 4/5/6 Servers and involved in Active Directory and exchange server running on Windows.
• Proficiency in WINS, DNS, DHCP, Virtual server administration, Patch Management in Windows 2000/2003 servers.
• Installed MS SQL and MySql on Windows and Unix/Linux environment and supported Database servers by writing SQL Queries.
• Manage software, hardware projects, and issues including deployments, upgrades.
• Experience with HP proliant DL 380/585 servers, Cisco UCS C200, C250, BL 20p Blade Servers, c7000 enclosures, IBM servers, Dell Power Edge servers.
• Significant experience in identifying, analyzing and troubleshooting technical service requests.
• Installing and monitoring the Internet Information Server (IIS).
• Maintaining the File Server, Print Server and the Cloning the desktops on network in Windows environment.
• Expertise in installation and managing Virtual servers VMware ESX and VMware vSphere clients.
• Experience working in VMWare Cluster environments and performing vMotion Confidential ESX level and Storage vMotion Confidential SAN level.
• System performance analysis, tuning, and capacity planning for both production and non - production environments.
• Experience in trouble shooting issues related to client specific major applications like Citrix, Mainframes.
• Experience in working with the other departments to gather the information needed.
• Experience in planning and executing DR (Disaster Recovery) Exercises on VMWare.
• Experience in engaging the application owners as needed to answer the technical questions.
• Experience in assigning the IP addresses to the new machines.
• Experience in working with the Security, Network and with the technical issues related to the Storage Engineering Post Migration support.
• Software configuration management using Chef and Puppet
• Skills on Rapid Deployment of Linux and Configuration Management and knowledge on Nagios and Cacti.
• Experience in monitoring architecture and setup whole nagios Monitor Infrastructure.
• Good experience in HP Blade Server Hardware, RAID and Microsoft Windows Clusters.
• Configuring, Monitoring and troubleshooting printer servers, FTP server, File servers, Firewalls, VPN, Routers.
• Experience in implementing and configuring hardware and software RAID under Windows NT/ 2000/2003/2008
• Experience in performing the backups and restoring the data as per the client requirement.
• Worked in large complex directory environments with experience supporting Windows 2000/2003 Active Directory (AD).
• Experience in resolving all levels of Severity Tickets, root cause investigations, system outages by meeting the SLA response.
• Experience in SQL Server 2002/2005/2008 in Installation and Configuration.
• Experience in building VMware virtual machines.
• Administration of VMware Virtual Center and virtualization services VMware DRS, VMware HA and V Motion.
• Experience in monitoring virtual systems and host environment usage and related issues.

TECHNICAL SKILLS

Operating Systems: Red hat Linux 3/4/5/6, Fedora Core1/2/3/4/5/6,SUSE Linux, Solaris, Debian, Ubuntu, IBM AIX 4/5/6 Servers, VMware ESX 3.5,4.1

Hardware: HP Proliant Servers, Dell Power Edge Servers, Dell PC Compatibles, Compaq PC Compatibles, IBM servers, Switches, Routers

CloudComputing: Openstack

Languages: VB Script and SQL/PL SQL,Perl, bash, Ksh, Python

Networking: TCP/IP, LAN, WAN, DNS,DHPCP, WINS, Remote Desktop Connection, Ethernet, HTTP, FTP

Software: Active Directory, Microsoft Systems Management Server (SMS), Microsoft Operations Manager (MOM), VMware, Citrix, Exchange 2000/2003 Server, WINS, DNS, DHCP and MS Office Suite.

Web Technologies: Apache, IIS, HTML, XML

Web Services: Microsoft IIS 5.0/6.0

RAID: RAID 0, RAID 1, RAID5.

Database Servers: MS SQL Server 2000/2005, Oracle, MySql

Configuration Mgmt.: Chef and Puppet

Monitoring Tools: Nagios (network monitoring), NDOUtils (Nagios and mysql), NRPE (Nagios component), mon (network monitoring)

PROFESSIONAL EXPERIENCE

Confidential, Richfield, MN

IT Infrastructure / Linux Support

Responsibilities:

• Coordinating with client / stake holders and client project managers, understanding and executing the projects on time.
• Doing Linux OS server builds on physical and VM, deliver on time and performing server decommissions.
• Attending meeting and discussion with client / stake holder / application team for planning, executing and delivering the projects on time.
• Doing server migration and server refresh activities.
• Doing host based storage migration activities.
• Install, configure and perform system integration testing of Linux operating systems, related utilities, hardware and VM.
• Working storage migration (host based) and P2V activities.
• Responsible for troubleshooting Linux based hardware and software problems.
• Creating scripts for post build configuration.
• Performs capacity analysis, monitors and controls usage of disk space.
• Develops procedures for server builds and post build configuration.
• Provides recommendations for improving the server environment, such as capacity thresholds, security gap, patch levels and hardware recalls.
• Strong verbal and written communication skills.
• Strong analytical and problem-solving skills.
• Ability to effectively work on and prioritize multiple concurrent jobs with self-motivation and team-player attitude.
• Coordinate with service provider for issues and incidents related to critical Server outages, SEV 1 issues and RCA.
• Experience in ITIL process.

Confidential, San Antonio, TX

Linux Systems Administrator

Responsibilities:

• Involved in installing, Configuring and administration of Redhat Linux, Windows servers by using Kickstart server.
• Supported various application running on Ubuntu 12.x, Red Hat Linux4.x/5.x and VMWare ESX 4/5.
• Configuring & administration of Cassandra.
• Configured & Maintained Java application servers like Tomcat & messaging servers like Activemq.
• Worked on Patch and Package administration, installed various third party tools on servers.
• Worked extensively on troubleshooting including file sytem full, server panic, network troubleshooting and used various tools like vmstat, netstat, iostat, sar, prtdiag, ping etc.
• Involved in creating recipes for Chef to deploy configurations across 200+ Linux servers which Physical and Virtual.
• Installation, Configuration and support for Redhat Satellite Server and for upgrading and patching Linux Servers.
• Design and implement automatic deployment of OpenStack-based clouds for enterprise customers
• Configuration management of the Infrastructure using Chef Servers
• Rack mounted IBM HS & Dell Power Edge Blade Enclosures systems and configured Blade Consoles software to manage blades inside enclosures.
• Supported various backup teams - VERITAS Netbackup and TSM for backup administration.
• Installation of SSH and configuration of key based authentication.
• Assisting Development team to provide the information and troubleshooting.
• Administration of NFS, NIS, DNS and Send mail servers.
• Working experience with OpenStack: deployment, configuration, operations
• Provided 24X7 supports for various Production, Development and Test servers.
• Supported a Data Center consisting of more than 1000 + servers.
• Worked on creating and editing scripts (shell scripts) to automate various processes.
• Initiating Backups on daily basis and monitoring the scheduled backups.
• Worked on tickets to resolve day to day hardware/software/application bottlenecks.
• Constant Monitoring of System Performance using monitoring tools.
• Worked on HP Service Manager for Incident, Change Management and participated in Root Cause analysis of recurring issues, documented all the activities.
• Participated in Bridge calls, worked with various teams to solve issues related to servers & applications, worked closely with Vendors on Hardware Problems, software issues.
• Involved in Day-to-Day trouble shooting for the end users on Unix/Linux based applications.
• Configuring & deploying application using Tomcat web servers.
• Troubleshoot OpenStack deployment consistency
• Administration of monitoring infrastructure consisting of Nagios server with Centreon as web interface for configuration and display of performance data.
• Developed utilities in python, including templates and configurations for Nagios, MRTG, and basic system configurations. Wrote custom plugins for Nagios.
• Designed and implemented system to generate dynamic Nagios configuration.

Confidential, Newark, NJ

System Engineer (Linux)

Responsibilities:

• Responsible for managing and administration of systems alongside IT Infra management of client network.
• Installed and maintained High-end IBM and HP servers with RAID configuration along with NAS and Tape Library.
• Creating user and group accounts on Windows and Linux servers and managed using user authentication.
• Troubleshooting Host Resolution, DNS and Active Directory issues.
• Installed and configured SSH on Linux and performed Kernel updates on RHEL servers.
• Managing the switches in the network and troubleshooting all LAN and WAN issues on Linux and Windows.
• Update patches on Servers Working Experience with Active Directory Components (AD Users and Computers, DNS, DHCP and WINS.
• Involved in support databases and performed MS SQL upgrades running on Windows servers.
• Scheduling tasks, Monitoring tasks, creating alarms. Deploying load balancing, implementing Network security.
• Ensured Data Integrity by verifying backup tapes using random samples.
• Using SAN Storage to attach remote computer storage devices to the servers and utilize its full capacity for the business applications.
• Working experience with configuration management on Puppet.
• Creating and Maintaining VM templates.
• Teaming NICs using HP Teaming software for redundancy during failures.
• Deployed core Image process for new server deployment.
• Resolving various issues such as Windows Policies, Application licensing through RDP.
• Used Remedy Tool for ticketing (Change Management, Incident Management, and Request Management).

Confidential, CA

Unix/Linux System Administrator

Responsibilities:

• Worked extensively building, configuring and maintaining 2000 and 2003 servers in a 1200 + server environment.
• Configuring and troubleshooting issues related to DHCP, WINS and DNS Servers also implementing Bonding on Linux servers.
• Created User Accounts, groups and running scripts on production servers.
• Assigned local security policies on member servers and standalone servers using RDP.
• Manage and monitor Active Directory services and group policies and Exchange server maintenance activities.
• Troubleshooting issues related to domain login, network resources access, various software applications.
• Migration of Windows 2000/2003 server to Win 2003 R2 and Redhat Linux3 &4 to Redhat Linux 5.
• Backup and Restoration of all the services without any data loss.
• Used MS SQL 2000 Database for holding the job information, Configuration of the backup server.
• Experience with VMware, creating VM Sessions for installing multiple OS and applications.
• Worked on Ticket process in Remedy Tool in 24x7 environments.
• Generation of reports from the console for day to day analysis.
• Involved in the maintenance of overall health and administration windows, storage and network components.
• Monitoring all the Critical Servers/File Servers/Print Servers for avoiding any kind of threat for the confidential data/information.
• Running VB Scripts and Shell scripts to validate logins on more than 1000 Windows and Linux servers and check the server access on weekly basis.
• Provided network support and ensuring the business is running without any interruption.
• Worked with the End users to troubleshoot problems with the packaged applications.

Confidential

System Administrator

Responsibilities:

• Creating User Accounts and Groups in Active Directory
• Installing and Configuring Redhat Linux & Windows 2000/2003 Servers.
• Monitoring LAN and WAN links
• Remote Desktop Monitoring using Microsoft Terminal Services/Client.
• Preparing the Standard Build for deployment in the network
• Interacting with all the team members both in offshore as well as with the client in maintaining good customer relationships.
• Documenting the project details as per standards on regular basis.
• Providing application support and troubleshooting project specific software issues.
• Configuring and Managing the Network Printers.
• Desktop and Server Management for the Organization other than the project specific servers and client based Network Equipments.
• Created and Maintained User Profiles for all new users via Windows NT/2000 Server User Manager for Domains
• Configure, troubleshoot and maintain customer’s network
• Maintaining Escalations, Service Call and Incident ticket process receiving in 24x7 environments without passing the SLA.
• User tracking fault monitoring troubleshooting of client network and traffic management.
• Installation and configuration of TCP/IP in Windows Server.

Confidential

System Administrator

Responsiblities:

• Installation, Maintenance, Administration and troubleshooting of Sun Solaris and Redhat servers on various hardware platforms.
• Installed standard software’s for the basic requirements to the clients.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Remote System administration and provided on call support on regular basis to the clients.
• Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.
• Shell programming for routine administration tasks using perl, ksh and bash.
• Analyzing & monitoring system performance through various system tools such as netstat, iostat.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
• Worked with Apache and developed several UNIX scripts to automate web tasks.
• Managed existing documentation for systems and created new procedures to support new products. Created documentation for disaster recovery project.