Senior System Administrator Resume
Baltimore, MD
SUMMARY:
- Seeking a position as, Windows, and VMware System Administrator that let me utilize my 9 years of Multi - Platform experience.
- Overall 9years of dedicated configuration and administration experience in different flavors of Windows operating systems in large scale industry - Philips, Verizon, and CITI Financial in North America and supported the business critical application servers in 24x7x365 environment with great ability and efficiency.
- Extensive knowledge in EMC-AVAMAR backup management and have implemented the backup solutions across the 2500 CITI Financial branches in USA, Canada & Puerto rico.
- Installation, Configuration and supporting of RedHat Native LVM, RAID, RedHat Cluster suite, NFS, DNS, DHCP, VSFTP, Samba, Apache web/HTTP server, NIS, Interconnecting UNIX and Windows using TCP/IP over LAN,
- Installation and supporting VMWARE ESX Server and Microsoft Virtual Server. Knowledge of VMware vSphere
- CITRIX Xenapp 6.5 and HP tools, CA tools. NNM(network Node manager) HP OVCM HP OS MANAGER, peregrine, ITSM Remedy and CA NSM and DSM
- Unix Shell scripting, perl and windows Batch programming. Building custom UNIX packages.
- Experience in building and administrating Windows 2K, 2003, XP, 2008, Win7, with Active Directory (Roaming profiles and Group Policies).
- Experience in MySQL 4,5 Database Administering
- Proficient in Change Management, Configuration Management and Release Management
- Great understanding of the issues related system administration, good interpersonal skills, team player, commitment, zeal to learn new technologies and result oriented.
- Excellent customer service orientation and outstanding verbal and written communications skills
- Extensive experience in Installing and Configuring vCenter, VMware Vsphere (Infrastructure Virtualization suite), ESX/ESXi Server, Virtual Machines and vSphere Client.
- Experience in configuring Distributed Network Switch and Storage for virtualization.
- Experience in Data Centre Migration.
- Managing Access Control through vCenter server, Optimizing Resource Utilization, Load Balancing (VMware DRS) and ensuring High Availability (VMware HA).
- Deploying Virtual Machines (VM’s) through Templates, Converting Physical to Virtual (P2V) and Virtual to Virtual (V2V) Machines.
- Experience in VMware VDI administration.
- Installation of Citrix Presentation server 4.0/ XenApp 4.5/5.0 & Citrix Client Tools
- Administration of Citrix XenApp Farms
- Configuration of Citrix server policies, Load Management and Printers in the Farm.
- Expertise in creating Citrix Streaming Profiles and Publishing Applications to users in Citrix XenApp 4.5/5.0.
- Citrix Xenapp Web Interface Administration Via IIS
- Experience in administering Windows Terminal Server, Group Policy management and Active Directory environment,
- In-depth knowledge in dealing with Windows Registry and File Systems.
- Extensive experience with troubleshooting Windows Installer (MSI) & Windows Installer Transforms (MST) installation and runtime errors.
TECHNICAL SKILLS:
Virtualization: VSphere 4.0/5.0 / 4.1, ESX/ESXi server 4.0, VSphere Client, VCenter, VMotion, Storage VMotion, VMware Update Manager, VMware Tools, VMware Converter, DRS, HA and FT.
Server Operating Systems: MS Windows Server/Exchange Server ( 2000/2003/2008 ), Red Hat Linux (Enterprise Linux 4/5/6). Solaris -8, Sco-Unix ware
Desktop Operating Systems: Windows98/XP/Vista/7 and Mac.
Programming skills: C,C++,java(basics), Shell, VB Script and Bash
Directory Services: Active Directory and LDAP.
Storage: NAS (NFS), SAN and ISCSI. EMC AVAMAR
Database: MS-SQL Server 2000/2005 and Oracle.
Backups: VERITAS Netback up and Windows NT Backup.
Antivirus: Symantec Endpoint, Norton Antivirus 6.0 and McAfee 7.0.
Networking: Cisco 25xx, 35xx Routers and 35xx Switches.
Network Protocols: TCP/IP, DHCP, HTTP, HTTPS, VPN, DNS, NTP, WINS, FTP, SSH, WinSCP and Telnet.
Terminal Services: Remote Desktop Services, VNC, Putty, Tera Term, Team Viewer and Terminal Services.
Others: Norton Ghosting, Microsoft Office 2000/2003/2007/2010 and Microsoft Visio.
PROFESSIONAL EXPERIENCE:
Confidential, Baltimore, MD
Senior System Administrator
Roles & Responsibilities:
- Building customized images for Servers with Unix, Linux & Windows 2000 servers using Sysprep
- Designed and setup the EMC Avamar Backup process for the Branch UNIX Servers
- Perform Backup and Restoration of UNIX Branch Servers using EMC Avamar
- Managing and supporting Virtual Machine on VMware ESX 3.0 server Environment
- Level3 Support for Servers, Desktop and Laptops for US/CANADA/PR Branch users
- Involved in the Branch/Tech Refresh for about 2200 branches nearly about 15000 workstations
- Responsible for Analyzing the new technical requirements for the Branches and implementation along with internal testing and scheduling to Rollout with Change control process
- Responsible for post upgrade verification of configuration items which are required for normal branch operations and if required, initiate corrective measures
- Scripting and preparing UNIX packages for the Branch servers and workstations.
- Following the process of change management for RFCs
- Administration of Active Directory and group policies on 2000, 2003 servers
- MSI, EXE package preparation using WISE Studio to deploy patches and software’s in the production environment of 15000 workstations in 2200 branches,
- Creating and administration of Roaming profiles(ntuser.man)
- Support of Pointsec 6.3 encryption software for all Branch Laptops
- Involve in E-Check & Card Reader software automation Process
- Configuration of McAfee ePO 3.6 and Anti-Spyware 8.7.0i
- Configuration of Cisco switches for the test lab environment
- Testing of Altiris solution for DSI image deployment
- Using the Service Center, Remedy and Infoman for the Incident management solutions
- Converting the physical machines to virtual machines and virtual machines to virtual machines by using the Vcentre standalone converter and plate spin converter.
- Monitoring alarms and managing it using Vcentre Server Notifications.
- Monitoring the health Check of a VM’s.
- Experience in troubleshooting the issues related to Vcentre server and ESX hosts.
- Installing and managing VMware VDI.
- Installing and configuring windows 2003 and windows 2008 server.
- Installing the upgrades in windows 2003 and windows 2008 server by using Windows Server Update services.
- Maintaining the Windows server update services server.
- Installed and managed Antivirus on all the servers and desktop.
- Installing and configuring Linux machines.
- Installing and updating the packages on Linux machines by using YUM and RPM.
- Monitoring the CPU utilization and disk space and memory in Linux machines.
- Maintaining the back ups and Job scheduling.
- Implementing the Cron jobs.
- Troubleshooting the issues related to storage and networking
- Installed Windows 2000/2003/2008 Server for the organization with over 200 clients.
- Created the User Accounts and Profiles, assigned permissions using Active Directory.
- Administered the Group Policy to automatically upgrade and repair software installations.
- Installation and support for desktops with Windows 2000/XP Operating systems.
- Provide Remote Support and administration on network for internal and external clients using tools like Microsoft Remote Desktop Connection (RDP).
- Created Virtual Machines for member servers which host services like IIS, DNS, and DHCP.
- Installed VMware Converter to convert Physical to Virtual (P2V) and Virtual to Virtual (V2V) machines.
- Provide day to day support (troubleshooting and installing) for more than 200 users for hardware, network and software including Microsoft Office applications, Mail clients and other network related issues.
- Installation and configuration of network Printers.
- Provided the backup and recovery of the files and data, worked on Windows Firewall, Terminal Server, and Troubleshooting computer related problems. Attending client calls related to computers and network problems.
- Participated in 24/7 support roles for Windows Servers, to help maintain and troubleshoot both software and hardware.
- Provided Hardware support, troubleshooting and diagnosis.
- Created the user accounts and profiles, assign permissions using Active Directory.
- Administered the Group Policy, to upgrade and repair software installations.
- Respond to and address any tickets/ work requests in the Remedy Queue.
- Provided Support for DNS/DHCP/WINS services.
- Configured the Microsoft Virtual Server and Virtual PC for testing and development.
- Installed WSUS and configured for patch deployment.
- Backup scheduling and Restoring using VERITAS Net Backup and NT Backup.
- Build Hard Drive images of various O.S using Norton Ghost.
- Responsible for administering and supporting 350 Citrix server environment on Windows Server 2003/2008.
- Responsible for Terminal server builds and Citrix XenApp server deployments in both Physical and virtual environments
- Certify home grown and third party applications to run in windows 2003 / 2008 Terminal server environment
- Supporting in-house application management in Citrix environment through Citrix Streaming.
- Implement Citrix Rollup Pack and Feature packs as per Citrix recommendation.
- Trouble shooted various issues related to Citrix resource manager, Printers etc.
- Monitored Citrix server’s health by using Citrix Edge Sight.
- Performed Citrix Farm and server health checks on regular basis
- Developed Virtual apps for in-house client server applications through Citrix Streaming profiler 6.5/6.0/5.2.
- Provided 24/7 Production support for Citrix environment.
- Configured WYSE Terminals to provide thin client solution to Business users.
- Performed scripting through VBS, CMD.
- Implemented Quarterly patches to the servers suggested by Microsoft.
- Working with troubleshooting tools CDF Trace, PROC MON and Dependency Walker.
- Supported 10,000 plus User base
- Responsible for monitoring and maintaining Windows and Citrix Servers which includes 10,000 user base and more than 100 plus applications.
- Publishing Applications, Content and Desktops to users in Citrix Management Console
- Interacting with business users for gathering the requirements for on boarding the applications to Citrix Servers
- Created MSI packages using Citrix Installation packager in Citrix 4.0/4.5/5.0
- Adding CustomActions to MSI Install Sequence using embedded VBScripts to customize MSI install behavior.
- Using Orca Tool for creating Windows Installer Transform (MST) files for customizing vendor provided MSI installs.
- Resolving various connections of Citrix Printer issues for client printing over Citrix.
- Creating a test Environment in Citrix or VMware for Production Team to test their applications.
- Experience with Application Streaming and publishing Streaming profiles for user access.
- Supporting Citrix Password Manager and Access Gateway.
- Resolving user connections to the Citrix Web Interface server by recycling the IIS services.
- Working on XenApp 5.0 in test environment for migration of the current farm from Xen App 4.5 to 5.0
- Documenting Application Installation, Know issues which occur regularly.
- Citizens Bank has Citrix XenApp 4.5 environment to deliver applications to the business users.
- Expertise in using Citrix Access Management Console and Presentation Server consoles.
- Profiled and deployed over 500 Business Applications and 200 Technical Tools through Citrix to the end users.
- Worked with application owners and gathered requirements for our project.
- Profiled and streamed applications on Citrix Profiler 1.2 and 1.3 versions and Citrix Streaming Client 1.2 & 5.2(5.2.1) Versions.
- Packaged applications in Wise Packaging Studio 5.0 which are not compatible in Citrix.
- Involved in fixing the interoperability among different applications and setting the rules on profiles in Application Isolation Environment (AIE). Involved in troubleshooting functionality errors of the applications in isolation environment.
- Used CDF Trace, ProcMon, FileMon & Region to trouble shoot application profiles in Isolation environment.
- Involved in pre-Delivering applications to Presentation Servers through Rade deployment Scripts (deploy.bat & psexec.bat) provided by Citrix.
- Scripted and tested applications in Citrix Edge Sight for Load testing version 3.0 to Load Test for multi-user compatibility in terminal services environment. Experience in Edge Sight Server console to monitor application performance in Citrix Farm.
Environment: RHEL 3,4, Solaris 9, SCO UnixWare 7.1.3, Windows 2003 Server, Windows 2000/XP, EMC Avamar for Backup/Restoration, Perl, Shell Scripting, Batch Programming, Symantec Ghost, WISE Studio, SysPrep, WIM, McAfee 8.7i, Pointsec 6.3, Peregrine, Unicenter RCO, Ultra VNC, Remedy, Infoman, TCP/IP, DNS, DHCP, Switches, Router, Dell Power Edge servers 6600, 1800, 1900, 2400, 2500, 2600, 2650, 2850, 2900, Dell OptiPlex 260- GX780, HP 7800-8000 Desktops. Citrix XenApp 5.0/4.5, Windows server 2003/2008 X86 & X64, Citrix Streaming Profiler 6.5/6.0/5.2, SQL 2005/2008.
ConfidentialSystem Administrator
Roles & Responsibilities:
- Providing support for Windows 2000 Distributed Systems, including Active Directory & replication, Group Policy implementation, troubleshooting, Installing patches and hot fixes optimization and Terminal Server Licensing.
- Creating and Disabling User Accounts for employees of VDSI in Active Directory Database.
- Managing DNS, DHCP and NAV Servers.
- Implementing Disk quota Management using Windows Software and Patch addition, modification and removal using change management procedures.
- Monitoring system performance, security, and Virus Protection Management and Backup Management.
- Configuring Distributed File System for corporate file servers and implementing Disk Quotas, and file access permissions for the users as per the project requirement.
- Providing escalated support for desktop and lab systems with Windows operating systems: XP, 2000, NT and 98 in a multi-user LAN environment.
- Troubleshooting of Microsoft operating systems on Laptops, Desktops and associated PC peripherals.
- Utilizing the CMISWEB System to track trouble calls and provide standardized solutions for network systems, software applications assistance, hardware exchange, and repair service support.
Environment: Windows 2003 Enterprise Server, Microsoft Exchange 2003 server, ISA Server, McAfee AVD, Exchange Tools, Dell Power Edge 1850 Server, Dell Power Edge 2850 Server.
Confidential
Support Engineer
Roles & Responsibilities:
- Network and System Administration of SuSe Linux and Windows 2003 OS
- Servers Hardening and Security
- Installation, maintenance and troubleshooting of the Oracle databases
- Administration of eDirectory, DirXML, Nsure Audit, manager
- Creating reports from Nsure Audit logs
- Data cleansing activity
- Level II help desk support
Environment: Windows 2003, Suse Linux Enterprise Server (SLES 8, SLES 9), Oracle8i, Oracle9i, Mysql, Novell eDirectory 8.7.3.2, Nsure Audit 1.0.3, DirXML 2.0.5.51, manager 2.0.2, Novell exteNd Application server, Console One, LDAP browser. Explorer. Fwbuilder, DELL PowerEdge 2650, Dell PowerEdge 2850
ConfidentialNetwork Admin
Roles & Responsibilities:
- Setup the WAN and LAN from scratch windows 2000 Advanced server with Active directory
- User Administration and Patch Management for workstations
- Servers Hardening and Security
- Installation, maintenance and troubleshooting of the Oracle and SQL databases support for Developers for troubleshooting environment like perl, CVS client, Modperl, IIS
- Sendmail, FTP, SAMBA server setup and administering
Environment: Windows 2000 server, windows 2000 workstations, RedHat Linux 8,9, Oracle 8i, SQL 2000, Active Directory, Send mail, Perl, Mod perl, Apache Tomcat, Ant, Tora
ConfidentialEngineer Systems & Network
Roles & Responsibilities:
- Maintenance of Global Voice and Data Networks Over Nortel Passport 7480(MUX) and Meridian Option 11c(PBX) that includes management of Voice & Data Services between US and INDIAN offices.
- Managing LAN and WAN security using Linux packet filters.
- Routine Jobs like backups of file servers and critical machines.
- Setting up of Domain controllers and implementation of group policy for the users. Implementing trust relationship between multiple domains.
- Setting up of DNS, DHCP & WINS over Win 2K server.
- Periodically updating the servers and workstations with service packs and anti-virus patches.
- Setting up of VLAN on Cisco Catalyst Switch (3500 series)
- Troubleshooting of workstations and servers (Compaq Proliant Servers) incase of any faults.
Environment: Nortel Passport 7480(MUX) and Meridian Option 11c(PBX), win2k server, Cisco Catalyst Switch 3500,