SUMMARY

• Certified and Experienced Sr. Windows Administrator committed to maintaining cutting edge technical skills and up - to-date industry knowledge with proven ability to create and deliver solutions tied to business growth, and organizational development
• Hands-on experienced working with different technologies: Windows Operating Systems (2012, 2008, 2003etc.), Linux OS, Exchange Servers, SQL Servers, Web Servers, and Domain Controllers.
• Experience in implementing and maintaining enterprise level Active Directory infrastructure.
• Complete understanding of ADFS and integration with different services for single Sign On.
• Worked on FSRM and implemented Folder Quota, File Screens and Storage reports.
• Hands-on experience on working with various security products such as McAfee, Trend Micro, Symantec.
• Security Hardening of the Servers and Client Operating System (Windows XP\7)
• Security experience in managing the company’s strategy on security policies, procedures and trends.
• Configured McAfee email gateway, designed Iron mail rules to filter emails.
• Deployment of Patches and server changes through Change Management upon client approval.
• Perform inventory of existing server environment and gather server utilization statistics such as CPU, disk usage and Alert Management.
• Application migration from development to production environment.
• Experience in Cloud Based Technologies such as VMware & Citrix and expert understanding of SDLC process.
• Extensive problem resolution & analytical skills including the ability to break-fix troubleshoot; diagnose various network, hardware & software issues locally as well as remotely via telephone support.
• Excellent communication skills, both written and verbal. Able to effectively communicate with non-technical users, technical engineers, third party vendors, operations, marketing, finance, and senior management.
• Especially adept to resolving high-stress situations and solving complex client issues using available resources.
• Skilled in defining policies and procedures for IT systems.
• Hands on experience in hardware and software set-up, configuration, implementation and troubleshooting.
• Can work independently, lead or work within a team environment

TECHNICAL SKILLS

Operating Systems: Windows (2012/2008/2003 , 2000), Linux RHEL 5

Servers: Exchange (2010, 2007, 2003) Server, SQL Server, Web Server (IIS), DNS Server, Citrix XenApp 6.x technologies

Concepts: Active Directory (2003, 2008, 2012), ADFS 2.0, PKI, DNS, FTP, TFS, VPN, VMware, SAN, IIS, RAID, Microsoft clustering, Failover, Load Balancing

Other: MS Office Suite, HTML, & Power Shell

PROFESSIONAL EXPERIENCE

Confidential, The Woodlands, TX

Systems Administrator

Responsibilities:

• Maintaining and monitoring of Microsoft Windows 2008, 2012 Active Directory Domain Services and Exchange Server 2010.
• Installation and Configuration of Microsoft Windows 2008 R2, 2012 server OS on both Physical and Virtual servers.
• Administered enterprise level multi-site/ multi domain Active Directory infrastructure to support different clients.
• Designed Organizational units, Security groups and implemented group policies to enhance user experience and data security.
• Troubleshoot and resolve directory level authentication failures, replication issues.
• Resolved single sign on issues with SAP team for child domain users.
• Verify user groups in active directory when a new user is created by SAP system for Audit purposes.
• Clean up Active Directory by identifying unwanted objects on a timely manner.
• Coordinate and perform maintenance activities on domain controllers and exchange servers
• Configuring and troubleshooting problems related to SMTP configurations, DNS entries, Outlook Web Application (OWA), and Mail routing
• Maintaining and monitoring of DNS, DHCP, Print, WSUS and IIS Web Servers.
• Configured and managed IIS sites and application pools in order to support host different web services.
• Installation and configuration of Forefront TMG 2010 and successfully imported policies from ISA 2006.
• Communicated with different teams, business owners and application owners, to coordinate down time window for applying patches to production servers and resole any critical issues.
• Testing and applying of Windows Critical & Security patches on Critical Application Servers with minimum downtime.
• Responsible for applying Security hardening for servers and scanning for vulnerabilities before moving to production environment.
• Installation and Configuration of VMware ESXi5.5 and installing Windows and Unix OS on Virtual Machines.
• Installation and Configuration of System Center Configuration Management 2012.
• Maintaining and Monitoring of McAfee epo Orchestrator 4.7 and scanning network for threats and viruses.
• Installation and Configuration of Microsoft SQL Server 2008/2012.
• Creating and restoring images through Symantec System Recovery 2013
• Troubleshooting various problems related to Servers/Clients (XP/7/8) Operating Systems, Applications and Hardware

Confidential, Houston, TX

Systems Administrator

Responsibilities:

• Responsible for day-to-day activities including building servers (Windows 2003.2008/2012 ), publishing applications, supporting Active Directory (2003/2008/2012 ), and coordinating with project managers to assure all client requirements are being taken care of.
• Successfully upgraded windows 2003 Domain Controller to 2008 R2 by migrating Active Directory data and transferring FSMO rules.
• Maintained Active Directory infrastructure, created users accounts, service accounts, for smooth running of applications.
• Creating domain trusts for different domain users to gain access to data and resources.
• Configure security groups and make changes to group policies as adhere with company policies.
• Responds to requests from help desk on any issues related to Domain controller and/or exchange server..
• Installation and Configuration of Microsoft Exchange Server 2010 with DAG.
• Maintaining and monitoring of DNS and DHCP Servers.
• Maintaining and Monitoring of WSUS Server and updating Servers with the latest windows patches.
• Installation and configuration of VMware ESXi 5.5 and VCenter.
• Installation and configuration of Forefront TMG 2010 (ISA) server and configuring the different Internet access, download and blocking policies
• Installation, Configuration and Maintaining of McAfee Endpoint Protection Orchestrator 4.6.7, McAfee Email Gateway 7.6
• Installation and Configuration of Microsoft SQL Servers 2005/2008/2012
• Maintaining and monitoring of Symantec Backup Exec 2012 and HP StorageWorks MSL2024 Tape Library and scheduling backups both onsite and offsite
• Security Hardening of the Servers and Client Operating System (Windows XP\7)
• Maintaining and Monitoring of McAfee Vulnerability Scanner and scanning all the Servers for Vulnerabilities and find remedies in order to fix vulnerabilities.
• Responsible for installing and configuring of IIS 7.0 on Windows Server 2008.
• Responsible for Maintaining and monitoring Datacenter.
• Working with windows PowerShell scripting in Active Directory Domain Services and Exchange Server 2010
• Troubleshooting various problems related to Operating Systems, Applications and Hardware.
• Providing support to various vendors and support Engineers from McAfee, Microsoft, Thomson Reuters etc., in order to troubleshoot problems

Confidential, Dallas, TX

Systems Engineer

Responsibilities:

• Installation and Configuration of Microsoft Windows 2003, 2008 R2, 2012 Operating Systems.
• Monitoring and Maintaining of Microsoft Windows 2008 Active Directory Domain Services.
• Installation and configuration of various Active directory tools.
• Installation and Configuration of Microsoft Exchange Server 2007 with 4 different roles i.e., Hub Transport, Client Access (CAS), Mailbox and Edge Transport Role.
• Maintaining Active Directory Infrastructure, creating DNS entries, troubleshooting user issues, delegating tasks to help desk etc.,
• Implemented replication site as part of disaster recovery strategy.
• Design and implement group policies to restrict access to different department’s based on company standards.
• Generate user reports from Active Directory for queries from internal and external Audit teams
• Configure SMTP gateways for frontend and backend exchange servers.
• Configured OWA (Outlook Web Access) for external email access.
• Addressed day to day issues related to Mailbox storage, SMTP gateway server and email issues to ensure peak performance
• Monitored and maintained servers by implementing a patch management strategy using WSUS, maintaining security/audit policies by centralizing the event logs, server hardening and reviewing the security logs resulting in a proactive approach to any potential compromises of the infrastructures security.
• Up gradation and Configuration of Trend Micro OfficeScan Servers from Version 10 to 10.5.
• Responsible for Fine Tuning the OfficeScan Server in order to prevent the network from External and internal Threats.
• Responsible for detecting new Virus attacks and Opening cases with Trend Micro for analysis.
• Responsible for protecting Exchange Servers from various internal and external attacks.
• Maintaining and monitoring of DNS, DHCP and ISA Servers.
• Installation and configuration of VMware ESXi 5.5
• Installation and Configuration of Microsoft SQL Servers 2005/2008
• Responsible for communicating with the various product vendors such as Trend Micro, Microsoft etc.
• Troubleshooting various Servers/Clients issues related to S/W and H/W.

Confidential

Sr. System Administrator

Responsibilities:

• Installation and Configuration of Microsoft Windows 2003, 2008 R2 servers.
• Installation and configuration of Microsoft Windows 2008 Active Directory Domain Services.
• Installation and Configuration of Microsoft Exchange Server 2010 with 4 different roles i.e., Hub Transport, Client Access, Mailbox and Edge Transport Role.
• Installation and configuration of Update Server (WSUS) and assigning updates to the entire clients through Group Policy.
• Installation and configuration of Symantec Backup Exec 2010 server and scheduling the backups from all the Servers.
• Installation and configuration of Symantec Endpoint protection and creating policy based managed client packages (both x86 and x64) and deploying on clients.
• Installation and configuration of Symantec Bright mail Gateway 8340 in order to secure the exchange environment with scanning of spam and virus emails.
• Installation and configuration of Print Management Server for both x86 and x64bit drivers and deploying on clients through Group policy
• Installation and configuration of IIS 7.0 web server.
• Installation and configuration of DELL Power Vault TL2000 Tape Library and configuring Tape Library on Backup Exec 2010 in order to copy backup data on tape drives
• Configuration of SAN servers according to the policies such as assigning quota limit on shared folder for users.
• Configuring different policies on domain controller through Group policy and Internet access policies through Forefront TMG 2010 server.
• Responsible for preparing the documentation for the work done.

Confidential

System Administrator

Responsibilities:

• Perform hands on administrating of Windows server 2003, Active directory, DHCP, DNS, Exchange 2003, File and print server, Terminal server and Antivirus server, networks, internet, and all related operations.
• Supported and executed Operating System Updates, Patches, and Service Packs etc.
• Troubleshoot various critical problems related to network, security, and unnecessary traffic.
• Created users, assigned roles, and privileges.
• Troubleshoot Hardware/Software issues and virus inoculation.

Confidential

System Administrator

Responsibilities:

• Responsible for day-to-day activities of monitoring and managing Active Directory accounts, managing Exchange servers, Trend Micro Office Scan server, DNS servers, DHCP Server, web servers, ISA server, IVR server, Altitude Server, Avaya Administration and monitoring and troubleshooting problems related to Servers and Clients.