Sr. Windows Systems Administrator Resume Profile
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SUMMARY:
- Full Stack Certified Senior Infrastructure Security Specialist with over Eight years of experience in administration, implementation, and support of Windows, Active Directory, VMware technology, client/server hardware, software, peripherals, and networked systems, End User Computing and proven success in delivery on time.
- Active Directory Infrastructure 2003/2008 design, plan, implementation, configuration and in depth administration knowledge including Group Policy Management.
- Managed Windows 2003 / 2008 Active directory Multi Domain Network, Define users, groups, Policies, Trusts, user access and permissions
- Installed , configured and administered DNS servers, DHCP server
- Installed, configured and administered WSUS server for enterprise patch management.
- Proficient with software packaging and distribution using SCCM server.
- Creation, Management and Configuration of Virtual Machines, Clone and Templates.
- Strong foundation and experience in VMWare ESX 5.0 and Virtualization Technology, Vmotion, ESX Cluster etc
- Managed system/support teams, made of 15 members in supporting a total of 5000 users
- Analysis of project/business requirements and designing IT infrastructure for optimal performance
- Extensive experience of monitoring and support tools
- An effective communicator with demonstrated organizational abilities in diagnosing resolving complex issues
- Adept in installation / configuration, troubleshooting of networking components
- Experience in management of LAN, integrating a range of hardware and software platforms
- Deployment, maintenance and support of production environment.
- Strong understanding of ITIL v3 / V11 for entire infrastructure process.
- Evaluated and configured company's vCloud Director 5.5 for VMware, including creation of templates for server and clients for easy deployments.
- Designed, implemented and configured Citrix Infrastructure which includes Citrix XenApp 6.5 and Web Interface 5.4.
- Proposed and successfully implemented new backup solution for all mission critical servers.
- Designed and implemented systems policies.
- Designed and Implemented servers Infrastructure for new clients
- Upgraded TFS Infrastructure from Team Foundation Server 2010 to 2012.
- Upgraded Tivoli Server Management from 5.6 to 6.4
- Installed and configured VMWare ESXi on multiple physical servers and performed P2V conversions on over 40 servers for hardware consolidation and cost savings for the organization.
- Designed and built over 50 servers with Windows 2008, RedHat Enterprise, and Ubuntu Server.
- Experience in Performance Monitoring of CPU, Memory, Disks, and Network using various monitoring tools like glance, SAR and top.
- Configuration of Citrix server policies, Load Management and Printers in the Farm.
- Responsible for analyzing, planning, installing configuring, testing, maintaining, documenting, and providing technical support for Microsoft Active Directory and Citrix Metaframe Environment.
- Expertise in Microsoft SQL Server 2003, 2007 2012, Microsoft Office SharePoint Server MOSS2007 .
- Expertise in User Group Security administration, backup recovery.
- Expertise in IBM Tivoli Storage Administration. Managed backup and restore for around 1000 production servers.
- Experience handling Disaster Recovery exercise using various tools like VMware SRM, Recovery Point SAN tools used for data store replication
- Root cause analysis, Troubleshooting, 24/7 support and handling of severity tickets.
- Performed system software/hardware upgrades, updates, and patches.
TECHNICAL SKILLS
- Operating Systems: Windows 2003/2008/ESX 5.0, Windows 7 / XP, Linux.
- Messaging Platform: Exchange 2003/2007/2010
- Patch Management: WSUS 3.1, IBM TIVOLI
- Methodology / Framework: Active Directory 2003/2008
- Remote Management: Cisco KVM Console Switch, DELL ILO /DRAC , VNC / RDP /
- Virtual Tools: VMware, Virtual Centre, VMware ESX server, MS Virtual server, MS Virtual PC, VMware vSphere 4.x/5.x
- Monitoring Tools: Microsoft Tools, Host monitor 9.90
- Design/CASE Tools: MS Project, Excel
- Miscellaneous: IIS 6, Print Server, File Server, , Citrix, SharePoint, SQL Server
- Network Services: WINS, DNS, DHCP, FTP, SMTP, POP3, IIS, Terminal service
EXPERIENCE
Senior Infrastructure Security Specialist
Confidential
Roles and responsibilities:
VMware Administration
- Manage VMware Infrastructure includes configure and maintain UCS and ESX 4.1,5.0 and 5.1 Servers.
- Troubleshoot network storage Server related issues.
- Provide new Virtualized environment as per the requirement.
Backup Restore Administration
- Configure and manage Backup restore of Production Servers.
- Troubleshoot backup related issues with IBM TSM 5.6 and 6.4
Windows Server Administration
- Configure and manage Windows Servers 2003, 2003 R2, 2008, 2008 R2, 2012.
- Troubleshoot Performance related issues with the servers.
- Create and configure new Servers Physical and Virtual as per requirement.
Active Directory Administration
- Active Directory Replication.
- File Replication.
- Active Directory Restore.
- Group Policies.
- Account Lockouts.
- Authentication Security issues.
- FSMO Role Maintenance, GC DCPROMO.
- Local Security Authority Subsystem Service Net logon issues.
- Schema Upgrades.
- Active Directory Trust.
- Time Synchronization / Skew maintenance.
- Terminal Services Licensing.
- User profile Corruption creation of terminal services roaming profile issues.
- Metadata cleanup
Citrix Administration
- Create, Configure and manage Citrix XenApp 6.5 Servers.
- Publish and manage Application on Citrix servers.
TFS Administration
- Create, Configure and manage Microsoft Team Foundation Server 2010 and 2012.
- Troubleshoot any issues related to TFS Server.
- IIS Administration
- Sharepoint Administration Manage Sharepoint sites, user access control.
- Application Deployment Production deployment with In-house .net based application.
- WSUS management Manage patches on around 2000 Development, Testing and Production Windows Servers.
- Storage Administration Work on failed drives with IBM DS4500, DS4800 and DS8300
- Monitored Production servers 24/7 using monitoring tool Host monitor 9.90.
- Microsoft SQL Administration Configure backup jobs perform regular restoring of Databases from Production to Dev or QA environments.
Environment: Windows Linux
Software Tools: VSphere, AD, IBM TSM
Total servers: 1000
Microsoft Server Security Support Consultant
Confidential
Roles and responsibilities:
Troubleshooting Active Directory related Issues namely:
- Manage Active Directory Replication across sites.
- Manage File Replication.
- Work on Active Directory Restore.
- Managing of Group policy objects GPO , Create or remove Trust relationships
- Troubleshoot issues related to Account Lockouts.
- Troubleshoot Authentication Security issues.
- FSMO Role Maintenance, GC DCPROMO.
- Local Security Authority Subsystem Service Net logon issues.
- Manage Schema Upgrades across multiple domains.
- Active Directory Trust.
- Work on issues related to Time Synchronization / Skew maintenance.
- Manage and maintain Terminal Services Licensing.
- User profile Corruption creation of terminal services roaming profile issues.
- Perform Metadata cleanup for failed Domain Controllers.
- Manage and maintain DNS/DHCP.
- VMware Administration Includes installation configuration and monitoring
- Exchange Administration Includes installation configuration and monitoring
Environment: Windows
Software Tools: Active Directory
Team Size: 100
Total servers: 5000
Confidential:
- Create, delete, and modify users in Active Directory.
- Worked on exchange, file print servers.
- Managing access control with several applications.
- Troubleshooting network related issues.
- OS and Hardware Troubleshooting
- Managing and maintaining VPN infrastructure.
- Worked on Incident and request management.
- Monitoring Production servers using various Microsoft Monitoring tools.
- Maintained and supported 1500 Windows servers with about 35000 users.
- Support and maintain multiple domain Microsoft Active Directory 2003 environment
- Patching the Production Servers during the green zone window with security patches. Security and Compliance Guidelines.
- Migrated Windows 2000 servers to 2003 and 2003 servers to 2008 servers.
Environment: Windows
Software Tools: AD
Team Size: 100
Total servers: 1000