Windows / Citrix System Administrator Resume
Houston, TX
PROFESSIONAL SUMMARY:
- Senior System Administrator with 9 years of experience with Windows Systems Administration
- Expert in Windows server 2000/2003/2008/ R2/2012, Microsoft Active Directory, Microsoft Group Policy deployment to ensure standard computer settings, software distribution and security policy enforcement.
- Experienced with Windows, MSI, SCCM 2012/2007, Active Directory. Familiar with Windows Registry, WMI, Citrix, VMWare, Microsoft Office
- Understanding and working knowledge of Citrix infrastructure, XenApp/Xendesktop 6.5 and 7.x including Citrix Director, Citrix PVS & Citrix Storefront.
- Experienced with NetGIL.6.5 application published and providing access to users.
- Strong scripting skills in multiple common languages (e.g., powershell scripting)
- Experience with System Center Operations Manager.
- Good experience in Handling systems and network operations independently.
- Technical knowledge of current network hardware, protocols, and Internet standards, including TCP/IP, and DNS, DHCP, IIS, FTP, Terminal Services/Remote Desktop
- Good experience in Middleware Infrastructure services
- Good experience in installing, configuring and managing Apache, Tomcat, Weblogic.
- Strong experience in installing, configuring and managing IIS 6.0 and IIS 7.5
- Proven experience in installation of systems and application software
- Experienced in installing, configuring and managing MS SQL Server 2005/2008/2008 R2/2012.
- Capable of installing and maintaining Linux and Solaris operating systems
- SSL Certification Installation on both Windows and UNIX based web servers.
- Extensively involved in the ITIL change, incident, problem and capacity management activities
- Providing 24*7 on Call Production Support.
- Experience in Trouble shooting and implementing Performance tuning issues.
- Preparing reports and updating the same to client on weekly and monthly basis.
- Attending, scheduling, reporting status meetings on a day - 2-day or weekly basis based on the project.
- Co-coordinating with SA for understand the requirements with respect new project builds.
TECHNICAL SKILLS:
Hardware: HP, Compaq, Dell, Acer, IBM,D-Link, Cisco
Operating Systems: Windows 2008,2003, 2000, Windows NT, XP, Linux, Solaris
Database: MS SQL Server 2005/2008
Web: I.I.S, Cold, Tomcat, WebLogic,Apache
Messaging: MS-Exchange
Tools: Solarwinds, SCOM, Microsoft Azure cloud, BizTalk 2009/2013
Domain Knowledge: Infrastructure Management
PROFESSIONAL EXPERIENCE:
Confidential, Houston, TX
Windows / Citrix System Administrator
Responsibilities:
- Responsible for third-level support for all server related issues.
- SCOM management packs and added more servers to SCOM.
- SCOM monitoring issues fixes.
- Participated in complete system builds, upgrades, migrations, code deployments and patch management.
- Experienced designing and deploying application packaging, streaming and deployment into XenApp, XenDesktop or traditional desktop space adhering to standard release processes.
- Experienced with NetGIL.6.5 application published and providing access to users.
- Implemented security policy and virus protection.
- Administered change management related to server upgrades and software installation.
- Prepared and maintained documentation of technologies, standards and procedures.
- Configured Server Core; configured networking; security and system settings on Server Core.
- Added and removed server roles and features; configured AD Domain Services roles; configured network
- Infrastructure roles; configured file and print services; configured IIS7 on Server Core.
- Installation, Configuration and Migration of Rightangle Application Servers on windows in different environments.
- Troubleshoot application and server side issues.
- Monitoring the startup logs for any exceptions or errors. Performing regular health checks for the servers in the UAT and Production environments
- Installation and Configuration of Apache Web server.
- Installation and Configuration of IIS 6.0 and IIS 7.5.
- Providing access to user for Teamsite to deploy the content
- Checking and resolving the deployment issues for users
- Server Performance tuning and Troubleshoot the application and server side issues.
- SSL Certificate Installation
- Provided 24/7 on call Production Support
- Attending, scheduling, reporting status meetings on a day-2-day or weekly basis based on the project.
- Preparing report and updating the same to client on weekly basis
- Resolved Requests (Change, Problem) trouble tickets through by Remedy tool.
- Maintaining technical support for Infrastructure Services on Microsoft Windows technologies.
- Active Directory user’s and group management.
- Managing Users and User Profiles, User Rights and Creating Home Folders for the Users.
- Monitoring the CPU, Memory utilization and Disk Spaces on servers using Solarwinds
- Participate in analyst review meeting for New Servers ordering.
- Publishing Applications on Citrix Consoles and managing with security permissions.
- Manage Backup and Restore of the Database 2005/2008/2008 R2/2012.
- Configuring and installation of BizTalk 2009/2013 on windows server.
- Provide day-to-day administration, engineering, architecture, and support services in a Citrix and VMware vSphere hosted environment
- Supporting server infrastructure supporting 2,000+ employees, 39 locations, and 2 data centers across Australia
- Hands on experience in the areas of all data center, desktop and application virtualization including but not limited to VMware, Windows and Citrix products
- Experience in working with ESX/ESXi servers - Installation, configuration, management and maintenance
- Experience includes VMware vSphere 4/5, ESXi Server 4/5 and Virtual Center, vMotion, Storage vMotion, High Availability (HA), Distributed Resource Scheduler (DRS), Fault Tolerance (FT), Host Profiles,, vApp, VMware VCenter Converter
- Experience in implementing ESX/ESXi servers with efficient virtualization strategies by creating clones, templates, task scheduling, prioritizing VMs, creating and managing snap shots.
- Hands on experience installing, configuring & administering of Citrix, XenApp 6.5,7 and XenDesktop 5, 7, Citrix Secure gateways, web interface, Netscalers, licensing and application packaging
- Installing, configuring and administering Windows 2003/2008 R2/2012 servers and perform Patch Management
- Handled Major incident, Change, Request management and Coordination with 3rd party application vendor for Vendor issues
- Resolved Active Directory, Print Server and Citrix Access issues, User account creations in Active Directory and providing permissions to Shared Project Drives, Creation of Roaming Profile Drives.
- Performed inventory of existing server environment and gather server utilization statistics such as CPU, disk usage and Alert Management
- As one of the Transition team member, responsible for Server migrations from old legacy environment to new environment for VMware ESX/Vsphere 5.x
- Provided daily, weekly and monthly health reports on existing Citrix Farm and suggesting up gradations of servers or license
Confidential, Chicago, IL
System Administrator
Responsibilities:
- Regular communication and collaboration with counterparts in the engineering teams.
- Monitoring ITIL environments such as change/ incident Management, Create and monitor RFC up to closure, Reviews all implemented changes to ensure that they have met their objectives; refers back any that have been backed out.
- Configured HA, Failover and DRS
- Configured memory, processors, switches etc. on for virtual Servers on ESXi host.
- VMWare Administration and managing Virtual center.
- Managing VMWare container and Virtual Machines, and Integrated Dell Remote Access Controller (iDRAC)
- Building VM and Templates for new Projects and allocating them to appropriate Resource pools.
- Configuring and managing resource pool.
- Tacking VM Resources (CPU, Memory, Disk)
- HP Blade Hardware Configuration, Maintenance and Troubleshooting
- Added SAN storage on a regular basis to clusters based on capacity requirements
- Creating and managing the VMware clusters
- Expand Disks upon Capacity Planning
- Configured and maintained new VM’s and Installed Microsoft Windows 2003/2008 Servers
- Installing the VMware Tools on the VM
- Involved in analyzing and implementing OS patches and hot fixes as well as Antivirus management
- Designed and upgraded Windows 2000/2003 DC Active Directory Infrastructure to Windows 2008 DC Active Directory Infrastructure.
- Worked on a strict deadling by co-ordinating with Network, storage and Wintel teams to Recover Windows 2003 and 2008 Physical and Virtual servers into isolation.
- Installing, configuring and administering Windows 2003/2008 servers.
- Installed and Configured WIN, TCP/IP, DNS, DHCP and IIS
- Strong knowledge of Systems Hardware and Multiple Virtual Storage (MVS)
- Support, troubleshot and maintain hardware including servers, storage and related network devices and peripherals.
- Provide second/third-tier systems support to internal and external customers as necessary.
- Regular reviews of Firmware levels on servers
- Used PowerShell to execute scripts, VBScripts.
- Created User Accounts, Domain Accounts, and Distribution Groups with Active Directory
Environment: ESXi 4.0/5.1 Windows XP/7, Windows Server 2003/2008/R2, SQL 2008
Confidential
System Administrator
Responsibilities:
- Configured kickstart server and updating/applying patches to the servers.
- Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
- Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
- Remote system administration using tools like SSH, Telnet, and Rlogin.
- Adding servers to domain and managing the groups and user in Active Directory, installing and configuring send mail.
- Responsible for the Database / Network operation with 8 server and 120 Desktops.
- File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
- Managing SUN Solaris, HP-UX, Compaq and Linux workstations and servers
- Fine tuning of Servers and configuring networks for optimum performance.
- Setup Squid Proxy Server for Internet sharing and to block the unwanted sites.
- Maintained Samba File Server for user authentication, syslog domain, and file sharing.
- Setup Clustering for Linux servers.
- Fine tuning of Servers and configuring networks for optimum performance.
- Assisted the development team and reviewed the required maintenance tasks.
- Responsible for Connectivity issues among various Servers and various software components.
- Package and patch management on Sun servers.
- Used Puppet tool for managing system configurations.
- Installation, maintenance and administration of Oracle and Db2 Server on Sun Servers.
- Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
- Kernel tuning, Writing Shell scripts for system maintenance and file management.
- Worked on Solaris volume manager to create file systems as per user and database requirements.
- Trouble shooting the system and end user issues.
- Responsible for configuring real time backup of web servers.
- Log file was managed for troubleshooting and probable errors.
Environment: Red Hat Enterprise Linux, Oracle, PowerBuilder, Toad, Windows 2003 Server, Java, Trend Micro Antivirus, Dell PowerEdge1300, 1500, Acer Server, Citrix, VOIP, WebEx, Puppet and Redhat Satellite server.