SUMMARY

• 11 years of System Administration and IT experience in multiplatform Windows, VMware, Hyper - V, Linux5,6 (RHEL, CentOS) with hands-on expertise in networking and system integration.
• Extensive experience in performing System Integration/Administration for Microsoft Windows 2003/20 Server, Windows98/XP/Vista/7/10, Red Hat Linux, Ubuntu and Mac O. S’s.
• Expertise in handling installation, upgrades, administration, system monitoring, system security, performance tuning, backups and recovery
• Extensive experience withActive Directory, GPO’s, DHCP, DNS, IP, Sub Nets, VPNs, vLAN, Network routing, firewalls, LAN/WAN switching and Backup & Recovery,File & Print Server, IIS (Web Server), FTP, Terminal Server.
• Extensive knowledge in NFS, LDAP, Send-mail, ftp, remote access, security management, and system troubleshooting skills.
• Extensive knowledge in Active Directory Certificate Services setup, troubleshooting, and CA Configuration.
• Expertise in remote control, patch management, software distribution, operating system deployment, network access protection, and hardware and software inventory using System Center Configuration Manager (SCCM).
• Implemented all applicable security and application patches and required configuration changes to the SCCM infrastructure.
• Experience in installing and configuring the Windows server update services (WSUS).
• Expertise in Managing and supporting Exchange 2007/2010/2013 infrastructure, which consists of, clustered back-end servers and Front-end servers.
• Experience in design, plan, implementation and supporting MS Exchange 2003/2007/2010/2013
• Managed and executing several on-time Exchange migrations from Exchange 2003/2007 to Office 365
• Experience with Federation Services installs (ADFS & ADFSPRX), SSO & Office 365
• Expertise in installing, configuring and managing Symantec Endpoint, McAfee
• Administered and configured IIS server on Windows 2008/2012
• Designed and deployment of high-performance, high-availability Citrix XenApp 5.0 environment to support the Business Process Outsourcing initiative
• Designed and deployment of VDI Proof of Concept (POC) environment to evaluate the benefits, performance and scalability of Windows 7 hosted virtual desktops.
• Sound knowledge on Hyper-V, ESX and ESXI Architecture, guest OS installation, setting up of VM priorities, Cloning and Snapshots.
• Experience in building the VMware vCentre server and managing the ESX hosts.
• Strong understanding of VMware Networking concepts like creation of vSwitches, different types of port groups, NIC Teaming and VLAN. Worked with VMware Update Manger to update VM’s and hosts with the latest patch release
• Experience in areas of designing, implementing, configuring and supporting SAN (Storage Area Network), NAS (Network-attached storage)/Backup solutions in enterprise environment.
• Manage and maintain VMware virtual infrastructure, including hosts, clusters, LUNs, Update Manager, HA and DRS
• Experience in installation, configuration, and implementation of SQL Server 2008/2008R2/ 2012/2014 on stand-alone and clustered instances.
• Experience on basic Networking like Routing/Firewall/NAT
• Experience with installing, configuring and maintaining Cisco UCS based Infrastructure
• Experience in Data Center Architecture, Design and Implementation
• Experience on Microsoft clustering for High Availability Solution
• Highly expertise in change management methodologies and principles

TECHNICAL SKILLS

Server Operating Systems: MS Windows Server 2003/2008/2008 R2/2012/2012R2/2016 MS Exchange Server 2010/2013, Red Hat Linux (Enterprise Linux 4/5/6), Cent OS 6, 7

Desktop Operating Systems: Windows98/XP/Vista/7/10 and Mac

Programming skills: Shell, VB Script and PowerShell

Directory Services: Active Directory and LDAP.

Storage: NAS (NFS), SAN and ISCSI.FC

Database: MS-SQL Server 2000/2005/ 2008/2012/2014

Backups: Veritas Backup Exec, NetBackup and Windows NT Backup, Rubrik, EMC Avamar

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, SSL,VPN, L2TP, DNS, NTP, WINS, FTP, SSH, WinSCP and Telnet, Routing,NAT

Terminal Services: Remote Desktop Services, VNC, Putty, Tera Term, Team Viewer and Terminal Services.

Others: Norton Ghosting, Microsoft Office 2000/2003/ 2007/2010/2013 and Microsoft Visio 2010/2013.

PROFESSIONAL EXPERIENCE

Confidential, Sparks, MD

Senior System Engineer

Responsibilities:

• Managed, led and supported Windows 7/10, Server 2003/20 R2/2016
• Defined the strategy, deployed the tactics and the developed the sustainment plan that increased usage of internal self-service channels by 20% and reduced call volumes by 10%
• Created mandatory document for new object(s) introduced to IT environment resulting in document library containing applications, databases, hardware, integrations, functional relationships, customers, IT resources, stakeholders, and executive sponsors.
• Hardening Windows Server 2012/2008/2003 using Security Configuration Wizard, Group Policies, PowerShell and VB Scripts
• Designed, implemented, and administered Windows Active Directory environment, Sites, OU containers and permissions for the Entire Organization from the ground up using old and new hardware.
• Created/modified user account, security groups, and distribution list to protect company proprietary information
• Developed project plan, served as primary task resource, implemented and migrated domain controller from Windows 2008 to Windows 2012
• Provide Sys Admin Support as required to maintain user accounts, DNS, DHCP, WINS, etc. and maintaining connectivity to the internet and VPN to Area office
• Configured and managed Group Policy Objects throughout the Active Directory (AD) enterprise to create a secure Windows Infrastructure
• Managed systems configuration and maintenance, problem troubleshooting, system and program security, applications and program management, planning and directing upgrades, and testing operations to ensure optimum system functionality.
• Coordinated with other teams to support network hardware such as firewalls, load balancers and switches and storage hardware such as SAN, DAS and NAS systems
• Provided support and disaster recovery services for MSSQL failover clusters and IIS 8 web servers.
• Expertise in remote control, patch management, software distribution, operating system deployment, network access protection, and hardware and software inventory using System Center Configuration Manager (SCCM).
• Packaged applications using Admin Studio. Created, tested, documented, and installed applications and custom shims for Windows 7 using Application Compatibility Toolkit on multiple test workstations. Deployed applications, scripts, shims, and service packs (XP SP2 to SP3, etc.) using SCCM, monitor installation status, troubleshoot, worked with vendors, and resolved installation and OSD failures.
• Created and maintained email addresses and distribution lists in MS Exchange.
• Managed Exchange client configuration using Microsoft Office Outlook 2007,2010,2013.
• Administered and supported Office 365 and MS Exchange policies
• Deployment of Lync Online through Microsoft Office 365 to the corporate office and field management.
• Provided support and maintenance of Microsoft Office Outlook Web Access and Microsoft Office Outlook E-mail, Calendaring & Scheduling.
• Deployed, configured, managed and maintained McAfee ePolicy Orchestrator, McAfee Virus Scan Enterprise and other McAfee security solutions software, Symantec Endpoint
• Installed, configured, and managed the firm's Citrix Access Gateway appliances and Netscalers 8.0., RSA two factor authentications
• Assist in Planning, design, implementation, and continuously improve disaster recovery procedures for Citrix systems.
• Implement VMware and Xenserver Virtual Servers for Virtual App delivery.
• Created virtualized server-computing environment using the Hyper-V role part of the Windows 2003/2008/2012 operating system.
• Managed Virtualization Environment using VMware ESX 5.x, VMware VSphere 6.x, Virtual Center, VI Client, P2V
• Installed, configured, implemented and monitored SQL Servers 2012/2014 to assure high performance and availability.
• Configured and managed SAN (storage area networks) and associated HBA’s (both SCSI and Fiber-Channel) plus Windows Storage server with iSCSI connections.

Environment: vSphere 5.0/6.0, ESX 5.5/6.0, Windows 2003/2008/2008 R2/2012/2012R2 server, Red hat Linux 5.0, VMware standalone converter, plate spin converter, WSUS Server, SQL Server 2008/2012/2014 , MS Exchange 2013, Active Directory

Confidential, Baltimore, MD

Senior System Engineer

Responsibilities:

• Managed, led and supported Windows XP/7, server 2003/2008/2012
• Managed the overall administration of Windows System applications.
• Patch management review via PowerShell script to discovered current patch status and deploy patches to effected systems, implemented Windows Update Services (WSUS) to schedule update
• Improved levels of IT Security preparedness through the rapid standardized deployment of security updates via SMS and SCCM. Replaced Patchlink Updating with SMS/SCCM Patching to reduce licensing fees
• Supported Windows XP/7/2008/2012 and images for multiple sites, utilized Active Directory/group policy to support and secure clients, including configuring regional settings, registry settings, SCCM client install startup scripts, etc
• Maintained and managed Domain Name Service (DNS) for AETC Active Directory (AD) enterprise
• Managed User Accounts on WindowsNT and UNIX Platform (Creation, Deletion, Permissions, and VPN Access).
• Managed Group Policy Objects (GPOs) throughout the Active Directory (AD) enterprise
• Project member for the migration of Windows XP to Windows 7 64-bit. Process used the Dell Tool to create the image to be imported into the SCCM environment.
• Deployed, configured, managed and maintained McAfee ePolicy Orchestrator, McAfee Virus Scan Enterprise and other McAfee security solutions software
• Provided systems administration and support, developed effectiveness and manageability of Citrix environment
• Designed and deployed VDI conference room computer replacement solution utilizing Citrix Provisioning server, XenDesktop, XenServer and Wyse Thin Clients
• Managed, configured, and supported Active directory and Microsoft Exchange 2007/2010 including user accounts, service accounts, distribution lists, security groups, group polices and mailboxes
• Performed daily backup of servers using VERITAS-Backup Exec on Windows server 2008/2008R2/2012
• Setup of full networking services and protocols on mixed platform environment Windows, Linux, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Managed Virtual Servers - Virtual Infra Client & VMware ESXi Server
• Worked on vCenter configurations for setting the datastores from SAN storage on ESX/ESXi hosts.
• Maintained SQL Server 2008/2012 instances and databases, perform regular backups and upgrades
• Troubleshot the VM machines using Virtual center and VMware Infrastructure client.
• Designed and implemented multi-tenanted storage solutions using SAN (Storage Area Networks) connectivity as well as managed backup services.
• Administered multiple PIX firewalls throughout WAN to ensure LAN integrity from external threats

Environment: vSphere 3.0, ESX 3.5/4.0, Windows Server 2008/2008R2/2012/2012R2, Windows XP/7/8, Red hat Linux 5.0, VMware standalone converter, plate spin converter, Red hat Linux server, WSUS server, SQL Server 2008/2012/2014 , MS Exchange 2010/2013, Active Directory, Veritas Backup Exec

Confidential

System Administrator

Responsibilities:

• Installed of latest versions of Operating Systems on demand, per requirements of the clients.
• Performed security-monitoring tests to identify intrusions.
• Administered Windows 2003 active directory servers, DNS, WINS and DHCP.
• Managed Virtual Servers - Virtual Infra Client & VMware ESXi Server
• Managed resource utilization of VMS like adding CPU, NICs & adding hard disk etc.
• Ensured Data Protection and Disaster Recovery by using VMotion and VMware Consolidated Backup.
• Created Virtual Switches, Ports and Port groups and setting up Layer 2 Security Policies for Virtual Networks
• Troubleshot issues relating to v motion such as compatibility issues with help of event log
• Monitored all UNIX Servers for CPU utilization, Network traffic, and hard drive space, Memory using related software.
• Managed Backup/Recovery Strategy for all windows/Unix based servers.
• Installed new Software, monitored the system, troubleshot, maintained local documentation, added security and helped the users.

Environment: vSphere 3.0, ESX 3.5/4.0, Virtual Center, VCloud connector, VMotion, VMware HA, VMware DRS Clusters, Virtual Machines on Windows 2003/2008/2008 R2, Red Hat servers, MS Exchange 2003/2007, Active Directory

Confidential

Server Administrator

Responsibilities:

• Installed Windows 2000/2003 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.
• Provided Remote Support and administration on network for internal and external clients using tools like Microsoft Remote Desktop Connection (RDP).
• 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.
• Provided Support for DNS/DHCP/WINS services.

Environment: s: Windows 2000/2003 Server, Active Directory, DNS, DHCP, Group Policy, Backup and Recovery, IIS (HTTP and FTP), Managing the Domain and Domain Controller, ISA, Terminal Services, Disk Management and File Sharing