Network Administrator Resume Profile
New York, NY
EXPERIENCE SUMMARY
- Over ten 10 years of experience in Citrix / virtualization /windows administration.
- Expertise in Windows 2000/2003/2008R2/2012 server administration and active directory administration.
- Experienced with hands on Tech Lead Citrix/VMWare and supporting a large Financial Company's VMWare ESX 4.0, Citrix XenApp/6.5 farms.
- Performed system administration activities, security policies and monitored system performance both at software and hardware levels.
- Worked in the area of Virtualization with VMware VSphere 4.1 and 5.1e, ESXi 5.1, 5.0, 4.1, ESX 4.0 servers, vCenter server 2.5, 4.0, 5.0 and 5.1.
- Extensive understanding of networking concepts.
- Excellent understanding of networking fundamentals and network security.
- Working knowledge of Netscaler Acceleration capabilities, such as AppCache, AppCompress and TCP optimizations.
- Expertise in DHCP, WINS and DNS.
- Strong knowledge of TCP/IP protocol suite, virtual networking, wireless networks Cloud computing concepts.
- Experience with enterprise backup systems and disaster recovery operations familiarity with SAN technologies solid understanding of VSphere 4.1 and 5.
- Expertise with IP sub-netting, VLANs, Load Balancing, and High Availability HA architectures.
- Performance monitoring, Error logging, Diagnostics, Fine-tuning and Backup management.
- Configured TCP/ IP protocols like NIS, NFS, DNS, DHCP, LDAP, FTP, SFTP, SSH etc.
- Configured Citrix Terminal Server and Microsoft Hyper V.
- Experience in the V2V and P2V migration of Physical servers to VMware ESX hosts.
- Managed VMware ESX 3.x and 4.x with Virtual Center server 2.5 and vCenter 4.0 for managing multiple ESX servers.
- Experience in ESX Architecture, guest OS installation, setting up of VM priorities, Cloning, Templates, and Snapshots
- Experienced in resource management framework, creating resource pools, adding the VMs into resource pools.
- Experience in Windows clustering Administration and troubleshooting.
- Knowledge of maintaining Business Continuity and performing Disaster Recovery DR using VMware Site Recovery Manager SRM .
- Migrated the Citrix Metaframe Presentation Servers from 1.8 to 4.0 and 4.0 to 4.5, and Xenapp 5.0 to 6.5.
- Enabling Web Access and Securing the Published Applications and Content.
- Good knowledge of customizing Citrix web Interface.
- Extensive experience with Citrix XenApp, Microsoft Server OS 2000, 2003, 2008R2, 2012 , Citrix Provisioning Services 5.6, 6.0, 6.1, and 7.1 and XenDesktop 5.6 and 7.1 5.
- Implemented XenApp 6.5 and XenDesktop 5.6 and 7.1 5.0 using Citrix Provisioning Service 6.1.
- Experience in ESX Architecture, guest O/S installation, setting up of VM priorities, Cloning, Creating Templates and Snapshots.
TECHNICAL SUMMARY
Virtualization Technologies: VI3, VMware VSphere 4.1 and 5.1e 4.0/4.1/5.0, VMware ESX 2.5/3.0/3.5, VMware ESXi 3.5/4.0/4.1/5.0, VMware VCenter, VSphere 4.1 and 5.1e Client, VMware VDI,
Directory Services Deploying and Migration of Windows Based Active Internet Designing: Directory, Installation and Administration of DHCP and
DNS servers
Application Servers: DNS, DHCP, Windows Active Directory Services, P2V/V2V Converters, MS Office Apps
Directory Services: Deploying and Migration of Windows Based Active Directory. Installation and Administration of DHCP and DNS servers
Infrastructure Hardware: HP Proliant BL460C G6 and G7 Blade Server series, DL380, DL580 physical servers, Dell Power Edge Servers, Intel x86 processors
Deployment Tools: Altiris, SSCM
Network: TCP/IP, HTTP, DHCP, DNS, SMTP and SNMP
Server Operating Systems: Microsoft Windows 2000, 2003, 2008 R2, VM Ware ESX/ESXi server, Citrix Xen Server, Hyper-V, Citrix XenApp 6.5/6.0/5.0, Citrix Presentation Server 4.5, Xen Desktop 5/6/6.5
EXPERIENCE
Confidential
Citrix Administrator/Network Administrator
- 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
- Configured WYSE Terminals to provide thin client solution to Business users.
- Supporting in-house application management in Citrix environment through Citrix Streaming.
- Implement Citrix Rollup Pack and Feature packs as per Citrix recommendation.
- Troubleshooted various issues related to Citrix resource manager, Printers etc.
- Monitored Citrix server's health by using Citrix Edge Sight.
- Implemented Quarterly patches to the servers suggested by Microsoft.
- Provided 24/7 Production support for Citrix environment.
- Developed Virtual apps for in-house client server applications through Citrix Streaming
- Performed Citrix Farm and server health checks on regular basis
- Working with troubleshooting tools CDF Trace, PROC MON and Dependency Walker.
- Supported 5,000 plus User base
Confidential
Administrator
- Windows 2003 Server administration and support / provisioning of Operating Systems / server patching.
- Configuration and Implementation of new servers according to standard...
- Maintain the stability of all W2K3 active directory servers, W2K3 Exchange 2003 servers, application servers, core systems support, Systems Disaster recovery plans.
- VERITAS Net Backup management and monitoring of the network backup/restore processes while ensuring data integrity and business continuity
- Responsible for Design and implementation of Server Infrastructure technology. Thorough knowledge of Windows 2000/2003 Server, Active Directory, Group Policy, Scripting Technologies, OS builds and troubleshooting and Server Hardware expertise
- Open problem or change management tickets in Helpdesk system as needed
- Wrote, reviewed and executed documentation of IQs, OQs, and PQs for computer validation.
- Working experience with VMware ESX 3i, VMware infrastructure Client 2.5,Virtual Center,P2v,V2V
- Installed and configure HP SIM 5.1 SP1 for all HP servers and set all alerts with monitoring capabilities.
- Ensured that all production servers are properly installed, secured and maintained with the latest driver updates and security patches
- Used Microsoft Operations Manager MOM for operations monitoring, performance tracking, Security policies and auditing capability.
- Administered and troubleshoot of published application in CITRIX
- Maintained detailed documentation and procedures for building, troubleshooting, installing, recovering, and supporting all Wintel servers and applications.
Confidential
Network Administrator
- Prepared the environment for deployment of Windows Server 2003.
- Managed local, roaming, and mandatory profiles, planed strategy for placing Global Catalogue GC and evaluated the need to enable Universal Group Caching.
- Designed, planned and implemented Group Policy, delegation strategies and OU structure.
- Configured automatic updates for network clients by using Group Policy.
- Diagnosed and resolved issues related to masters role failure and AD database.
- Performed authoritative and non-authoritative restore operations.
- Used DcDiag, NetDiag techniques for troubleshooting.
- Managed an Active Directory site replication schedules, site links and boundaries, used ADUC to create and manage computer, user and group accounts in an Active Directory environment.
- Established external trusts and cross-forest trusts.
- Installed and configured an Active Directory Domain Controller.
- Created the Forest Root domain, and a Child domain in a production environment.
- Implemented and managed IP Addressing configured TCP/IP addressing on a server.
- Migrated Windows Server 2003 from test environment to the production environment.
- Installed, configured, and provide troubleshooting for Server 2003.
- Analyzed the hardware and software requirements of Active Directory.
- Created approximately 500 user accounts in Active Directory and migrated all Windows NT users by 'User State Migration Tool USMT '.