Linux Systems Administrator Resume Profile, TX

Reference Id: 83986     Posted on Sunday 20th September 2015      Linux / Unix



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Linux Systems Administrator Resume Profile, TX

 

 

 

 

Professional Summary:

 

A dynamic Server Engineering 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 at the time of server shipment.

 

·         Over 7 + Years of professional experience as System Administration, Integration, Security and Management in supporting Windows NT/2000/2003/2008 servers, VM ware, Linux (RHEL) and Citrix Servers.

·         Expertise in installation, configuration and administration of Windows 2003/2008 & 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 Redhat Linux servers 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 at ESX level and Storage vMotion at SAN level.

·         Involved in upgrading  Windows 2000 Sever to  Windows 2003 as per SOP and IQ/OQ include database server, IIS server, Lotus Domino server and after upgrade support.

·         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 and Windows environments.

·         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 performing the pre migration systems analysis and assessments and in setting up tasks for migrating the systems.

·         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 Summary:

 

Operating Systems            :               Red hat Linux 3/4/5/6, Fedora Core1/2/3/4/5/6, SUSE Linux, Solaris, Debian,

Ubuntu, Windows NT/2000/2003/2008 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                                                                                              

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

System Engineer (Windows & 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

Windows and 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.

·         Primary point of contact for Development and Operations group.

·         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.

·         Monitoring the Hubs, Switches, Cables, Network card and Routers.

·         Installation and configuration of TCP/IP in Windows Server. 

 

 

 Confidential

System Administrator

 

Responsiblities:

·         Resolving User Service requests adhering to SLA’s.

·         Installed standard software’s for the basic requirements to the clients.

·         Supported MS SQL database and have good experience in writing SQL queries to retrieve data from tables.

·         Remote System administration and provided on call support on regular basis to the clients.

·         Involved in trouble shooting in Windows XP professional and Win2003 Servers and also involved in trouble shooting database like Oracle and MS SQL.

·         Responsible for Active Directory Administration.

·         Experience in working on Network Management Software.

·         Resolved issues based on real time graphical views of network topology..

·         Quality assurance for Application packaging.

·         Experience in creating users and groups in the domain controller based on the application packages.

·         Following the Quality Controlled Procedures, Check lists and Manuals for the Application Packaging Process.

·         Install, Configure and Maintain the Network equipment.

·         Maintenance and Up gradation of Hardwares.

·         Supporting the IT Departments.

·         Setting and Configuration of Proxy Server.

 

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