Background Summary

Systems Engineer with 13 years of experience administering windows and Linux servers, designing network and systems infrastructure for implementing various tools and technologies like Active Directory, Exchange, SharePoint, Lync, Citrix, BES, Good MDM, Virtualization and Storage technologies.I have also implemented and designed a highly available and Disaster Recovery site using Microsoft Clustering technologies, SAN, Citrix Nestscalars. I have experience designing the IT infrastructure and Data Center consolidation using VMware ESX, Cisco UCS, Storage using Fibre Channel and ISCSI. Have experience assessing the existing infrastructure and recommendations. I have implemented Backup and Recovery Solutions using Symantec Backup Exec, CA ArcServ and SteelStore.

Specific Project References

Confidential

Sr Systems Engineer / Infrastructure Architect

• Lead Exchange Architect managing and designing the City of Baltimore Messaging Organization hosted on exchange 2010, which hosts 14000 mailboxes, 10 Servers 5 mailbox Servers in DAG, 2 CAS Servers, 3 HUB Servers and 2 Edge Servers and also Ironport c680's Backups, Restores and Monitoring of Messaging Environment.
• Designed and implemented Lync 2013 for the City for Presence, Meetings, and Presentations.
• Designed and implemented SharePoint 2010 Farm 4 WFE, 2 APP, 2 Search Servers and also started migrating to 2013 Farm on Windows 2012 and 2012 R2, Manage SQL Database Clusters running on Active/Passive and also on Always On Clusters
• Maintain VMWare ESX 5.1 Datacenter Clusters which hosts all the VM's for the City, Manage vCenter Server and Patching the ESX Servers
• Designed and Implemented SCCM, to Patch, Push Applications and Inventory City Desktops.
• Working on Designing and Implementing SCOM for Monitoring
• Manage Storage DELL Compellent, DELL Equallogic and EMC Clarion
• Mobile Device Management using Good, BES and Boxtone
• Manage HA and GSLB using Citrix Netscalars
• Mobile Device Management using GOOD, BES 5.1, and BOXTONE.
• Manage Forefront Identity Manager to Sync Accounts between different Forests.

Confidential

• Served as a Sr. Systems Engineer redesigning the Infrastructure at National Archives, College Parkwhich hosts unclassified library that runs on Oracle as backend and Apache tomcat as frontend and runs on HP C7000 chassiswith BL460c blades and connected to a HP P2000 G3 MSA Array.
• Served as a Sr. Systems Analyst Designed and Implemented VMware ESXi 4.1 Production cluster with Blue Arc Storage array as a backend to migrate all VMware ESX 3.5 Servers to 4.1 for the client NHLBI, NIH
• Served as part of the Operation team at NHLBI, NIH as a Sr. Systems Analyst administering windows 2003/2005/2008/2008 R2 servers running different applications and managing Active Directory and Group policies.
• Redesigned and rebuilt the existing SCCM infrastructure, which is being used for application delivery, Windows Server and desktop patching, Software and Hardware inventory, Asset Management and Compliance check at NHLBI, NIH and migrated to new hardware running windows 2008 R2.
• Lead the effort to design and implement SharePoint 2010 farm for NHLBI,NIH.
• Configured SQL Server Cluster for NHLBI, NIH to move all the production databases from an old hardware and optimized SQL Server for better performance. The cluster was built using Blue Arc Storage using ISCSI.
• Leveraging SCCM capabilities to make applications available to clients to install when needed.
• Making OS Image available for PXE boot for deployments using Windows deployment services for desktop support so they can image desktops and laptops as needed.
• Apache, Tomcat administration which are used to hosting the NHLBI website and making changes replicated to these servers from Content Management Servers.
• Major Accomplishments: VMWARE Upgrade Design and implementation, SCCM Rebuild and SQL Clustering.

Confidential

Sr. Systems Administrator

• Designed, Implement and Managed Windows Servers, AD, Exchange, SQL Server, SharePoint, Office Communication server, Citrix XenApp, ColdFusion MX Server 7, JRUN4, IIS, Apache Web servers, SCCM, Sonic wall Firewalls and VMware infrastructure.
• Successfully led a team of 4 developers that implemented a SharePoint solution for the client. The solution consolidated and streamlined multiple applications, thereby reducing costs and duplicative efforts.
• Setup a Disaster Recovery Site and Replication using SAN technologies.
• Served as Architect and built a SharePoint Farm Administration 5 Servers Farm which is highly available and load balanced.
• Designed and implemented a highly available and load balanced Exchange organization and Blackberry Enterprise Server 5.
• Responsible for Backup and Restoration using CA Arc Serve, Backup Exec 12.5 using MISAN D2D2T Device and DELL Tape Drive.
• Responsible for VPN Configuration and Management using Sonic Wall Firewalls between Head office and Branch Offices at various locations and site to site VPN Setup from Head office to DR site.
• Major Accomplishments: Successfully created a highly available, load balanced infrastructure with a DR Site.

Confidential

Solaris Administrator

• Responsible for solving Tickets using remedy raised by local and global users on Solaris and Linux.
• Served as Sun Solaris and Linux System administration.
• Responsible for Scheduling backup and restoration process using Legato Networker.

Confidential

Systems Administrator

• Installation, configuration and Management of Windows/Sun/Linux Servers.

• Backup and Restoration using VERITAS Tape Backup.
• Writing of shell scripts for system management, security management / monitoring and system automation and 24x7 Customer Support for Windows/UNIX/ Linux servers.
• Downloading Adding of Patches for vulnerabilities for all Operating Systems.
• Configuration and management of NFS, NIS, DHCP, DNS on Linux.

Confidential

Systems Administrator

• Installation and Administration of Linux and Windows operating system.
• Web Servers administration running IIS and Apache and User administration.