SUMMARY:

• More than 8 years of hands on experience of computer systems. More than 5 years of Windows Servers, Virtualization Infrastructure, Network and Corp Applications Administration experience.
• Windows 7/10, Server 2003/2008/2012, VMware vSphere ESXi 4.0/5.0/6.5, vRealiaze Suite 6.0, vSAN, Hyper - V, Microsoft SCCM/SCOM 2012, SQL Server 2008/2012, Exchange Server 2007/2010/2013, Office 365, AWS, Azure Cloud, SharePoint Server 2007/2010/2013, Lync Sever 2013, Linux.
• TCP/IP suite, Active Directory, Group Policy, DNS, DHCP, ADFS, LAN/WAN Routing, Switching, Firewalls, IIS 6/7/8, PowerShell, PowerCLI scripting, ITIL, HP, Dell Blade System, SAN/NAS Storage.
• Technical training and project management experience.
• Possess MCSE, VCP equivalent level of hands-on experience and skills.
• Enthusiastic, self-motivated and detail oriented.
• Hard working, excellent problem solver and fast learner with strong logical, analytical skill.
• Team oriented with excellent communication skills.

PROFESSIONAL EXPERIENCE:

Confidential, Houston, TX

System Administrator

• Worked on HP Private Cloud/virtualization infrastructure projects, architected, designed, installed, configured, and deployed VMWare vSphere/vCenter server 5.5, 6.0, 6.5, vRealize Suite 6.0 (Automation, NSX, Operations, Orchestrator), built ESXi hosts, configured vCenter Cluster, HA, DRS, added hosts to vCenter servers, configured and tested vDSwitch, vSSwitch, NIC Teaming, VLAN, vMotions and 3PAR SAN datastore connections, created Windows, Linux Virtual Machines, performed hosts and VMs migration and VUM patches/upgrades, managed, maintained and support VMware environment. Created, deployed and managed vSphere private clouds with networking and security, monitored system events, health and performance. Reacted, took actions to the alerts about the operations, performance, security situations, troubleshot and resolved performance, network connectivity issues on OS, VM, ESXi host, cluster, datacenter, cloud system resources level, using tools like PowerCLI for process automation. As a technical lead, assisted teammates on their technical requests, questions and solutions.
• Worked on VMware hosts, Windows, Linux servers decommission project, performed iLO and Virtual Connect Profile reset, logical RAID1 disk removal, recreation and disk sanitation.
• Worked with network and storage team, setup, configured and connected VMware ESXi hosts and Windows application servers to network and storage systems which have HP Virtual Connect, VALNs, 3PAR Fiber Channel SAN disk arrays, iSCSI SAN arrays and NAS arrays.
• Responsible for .NET Web Applications administration, development, support and project management. Worked on corporate .NET applications migration from Windows server 2003/IIS 6.0 to Windows 2008 & 2012/IIS 7.5 & 8.5. Trained on HP networks/servers/applications infrastructure, architect and standard. Worked on data analysis, requirement gathering, project management. Managed, supported, migrated and configured Windows IIS web servers.
• Worked with the Project Management, Application teams to resolve any conflicts or issues that arise before, during and after the migration. Configured and troubleshoot web server issues.

Confidential, Houston, TX

System Administrator

• Responsible for domain system administration, managed AD users for their data, servers and application access permissions cross multi-trusted domains, troubleshot and resolved application user login, profiles synchronization, pages mismatch and other system related issues.
• Managed and maintained SharePoint system, providing user access to sites and contents, managing permissions, ensuring system availability and performance, reviewing the events and messages reported in Event Viewer and Performance Monitor.
• Created and maintained documentation, reports for supported systems including architecture diagrams, technical specifications, and detailed design documents using SharePoint lists, libraries, InfoPath forms and workflow. Created and used data views, content queries, data forms, navigation customization, web parts and branding customization. Performed sites migrations .
• Worked on IIS 6.0 Web Application Migration Project to IIS 8.5 - backup(Website/Config), migration, Application Pool configuration, Site Bindings, SQL Server DB Access Control, AD groups access security, User Authentication, ODBC DSN settings, DNS change and deployment.
• Worked on SQL Server Reporting Service (SSRS) Server Migration Project - backed up, copied, moved Reporting Services databases, configuration files, Report folders, installed and configured SQL Server 2012 Reporting Services, setup AD Service Accounts/Groups, Security ACLs.
• Managed Forefront Identity Manager (FIM) Synchronization Service among Active Directory DCs, SharePoint and SAP, analyzed, troubleshot and fixed sync errors in MA profiles through automatic error report using CMD and PowerShell scripting. Analyzed AD schemas, account attributes mapping with FIM/SAP to provide error fix solutions.
• Assisted and tracked employee termination process, verified AD accounts disabled and deleted.
• Assisted and tracked server decommissioning process, ensured system migrating to new servers.
• Led team meeting, scheduled, attended conference calls with application owners and vendors.

Confidential, Houston, TX

System Administrator

• Managed, configured Cisco routers, switches, firewall, wireless access points, IP phones, Active Directory Domain Controllers, Exchange, SharePoint, Lync, TFS and SQL servers; setup and managed AD accounts, group policy and all related system access permissions; audited, monitored system security, traffic, performance, troubleshot and addressed related issues and concerns. Configured and deployed DCs replication and trust relationship.
• Architected, designed, installed, configured and deployed Windows server 2012 Active Directory domain controller, DNS server, Exchange server 2013, Lync Server 2013, TFS Server 2013 from scratch. Generated, applied AD service accounts, configured DNS entries for member server deployment.
• Built virtual Windows servers using Hyper-V to deploy virtual environment. Configured, managed and troubleshot performance, connectivity on OS, VM and resources level.
• Worked as SharePoint Administrator, responsible for the configuration, support and maintenance of SharePoint 2013 farm. Evaluated, monitored SharePoint trends, system resources, sites and disk space usage growth through the built-in SharePoint reports for each site collection and maintained ideal performance . Expanded storage capacity by installing and mounting a 1TB hard drive to SharePoint Database server.
• Setup, scheduled maintenance, outage windows for system patches and services pack updates.
• Planned, setup, configured, tested OS/VM/Application systems High Availability and redundancy, performed data backup on a regular schedule for disaster recovery. Setup and configured RAID on servers for fault tolerance. Backed up, restored and mounted SQL databases on new server.
• Led team staff meeting, scheduled, attended conference calls with customers, vendors and etc.

Confidential, Birmingham, AL

Windows System Administrator

• Responsible for domain network system administration, built Active Directory domain environment, created, managed user, computer, group and service accounts for their files, printers and applications security permissions and data access policy through Active Directory and Group Policy Management.
• Installed, configured and deployed Windows Server 2008 Active Directory Domain Controllers (Redundancy), Microsoft Exchange server 2010, SharePoint 2010 server arms, SCCM server 2012 and Oracle Database 9i/10g. Created, applied AD Service Accounts, System Management Container, Extended AD Schema for member servers deployment.
• Managed SCCM deployment in a 3000-user environment for desktop installation/management, software distribution, operating system/application deployments, hardware/software inventory, remote control, patch management, network access protection. Imaged and upgraded XP to Windows 7 using Microsoft Deployment Toolkit. Troubleshot site server, SQL and client issues.
• Responsible for Healthcare Application system administration. Installed, setup, configured, deployed, troubleshot, repaired, upgraded and migrated Patient Care Applications in Windows Server 2003/2008 and SQL Server 2005/2008 environments.
• Built micro computer systems, workstations, servers, created and managed VMs using Hyper-V, VMware workstation, vSphere Client/ESXi host, installed, configured, and deployed VMWare vSphere 4.0 and 5.0 vCenter server, built ESXi hosts, added hosts to vCenter servers, configured and tested virtual networks and SAN datastore connections, managed, maintained and support VMware environment, troubleshot and repaired related issues.
• Managed and maintained server storage system, replaced, added new hard drives on servers or RAIDs to expand storage capacity, configured and connected servers to access SAN storage.
• As a team leader, worked closely with IT managers, senior system engineers, coworkers and customers, cooperated and coordinated with them for their technical needs, issues and concerns, so as to build a strong support team to benefit health system; made annual budget plans, scheduled, attended, led team staff meeting, conference calls and etc.