EXPERIENCE SUMMARY:

IT professional with 7 plus years of experience in systems administration, maintenance, integration, configuration, troubleshooting of various technologies. Experienced in windows server 2003/2008/2012 administration, active directory design and installation. Experienced on virtualization technologies like ESX 3.5/4.0/5.5.0 , vSphere4.0 and vCenter server. Expert in designing, implementing and evaluating applications, systems and utilities relevant to active directory services. Excellent communication skills and drafting skill. Excellent communication skills and communicate effectively with colleagues.

KEY SKILLS:

• Systems Administration
• Network & System Security
• Risk management
• Authentication and access control
• System monitoring
• System integration planning
• Multitier network architectures

TECHNICAL SKILLS:

Operating Systems: Windows Server 2000; Windows Server 2003; Windows Server 2008; Windows server 2012.

Web Servers: IIS 7.5/8.0 and IIS 8.5

Products & Technologies: AD, DNS, WINS, DHCP, GPO, DFS, MS Exchange 2007, MS Exchange 2010, VB Script, PowerShell, Clustering and MS Office.

Tools: Microsoft Office 2010/2013, Active Directory and Group Policy.

Networking: Cisco Routers/Hubs/Switches and Ethernet.

Virtualization: VMware (ESX 4.0, ESX 5.5, vSphere 5.1, Workstation 10.0.3), Hyper V.

Hardware: DEL, HP, IBM.

PROFESSIONAL EXPERIENCE:

Confidential, New York, NY

Windows Systems Administrator

Responsibilities:

• Installing & configuring active directory services in windows 2012. Installing & configuring DNS, DHCP, IIS, WDS, WINS, NAT, RAS, hyper - v and RRAS in Windows 2012.
• Deploying operating system through WDS.
• Migrate DHCP server to windows server 2012 R2.Creating reservations for all DHCP client machines.
• Raise the domain and forest functional level to windows server 2012.
• Generated VM templates, provision of VM sessions. Troubleshooting VC and ESX servers.
• Deployment of VM session servers using templates. Performance tuning of VMware servers, virtual sessions and management of server resources between virtual machines.
• Experience in installing and implementing VMware ESX servers, VMware virtual center, setting up V-Motion and related VMware products such as VM workstation, VMware converter, VM Backup products and other products for virtualization.
• Configuration and troubleshoot VM related issues using virtual center, configuring virtual hardware, adding data stores to ESX boxes etc. Creating duplicates VM’s using cloning technology.
• Manage users, grant rights and privileges; configure various properties for users through group Policies.
• Installing and configuring network printers, print server and File server.
• Configure and troubleshoot storage dependencies within a SAN/NAS
• Perform production support work and on-call.
• Experience in deploying patches; worked on patch management tools.
• Providing support for windows and active directory environments. Providing and managing NTFS permission to users and group accounts.
• Work with users on user account locking, password reset issues, etc.
• Administering workstations/servers/networks running modern software applications and OS.
• Troubleshooting shared folders & NTFS permission issues. Involving scheduled data movement between servers. Involved in change requests for shares movement with NTFS permissions; Created Junction points for share access.
• Creating global, universal group accounts and configuring the group nesting.
• Managing active directory and user permissions. Configuring admin privileges access to users.
• Configuring home folders and disk quota management for users. Configuring offline folders for laptop users.
• Involving file server & print server access management. Monitoring file servers through FSRM (quota, file screening, auditing and reports).
• Administering active directory objects (users, groups, computer and OU), permissions assignment etc.
• Backup job planning and monitoring. Managing windows updates and anti-virus software.
• Installing and configuring IIS and virtual directories.
• Creation of all top-level OU hierarchies with sub OUs, groups and appropriate security permissions. It also include setting appropriate permissions on the created objects.

Confidential

Windows Systems Administrator

Responsibilities:

• Installed and configured MS exchange 2003, integrated windows 2003 active directory with redundant root and child domain controllers in one forest and under one tree for two domain structures.
• Install, configure and maintain virtualized windows server 2008 based systems in large VMware ESX environment. Analyzing ESX log file and determine the root cause.
• Creating templates from VM’s and deploy VM’s from templates and allocate resources.
• Experienced on VMware update manager to install patches and updates on ESX hosts and virtual machines.
• Experienced in windows server patching and remediation activities.
• Experienced in active directory federated services.
• Prepared the environment for deployment of windows Server 2003. Installed, configured, and provide troubleshooting for Server 2003.
• Analyzed the hardware and software requirements of active directory. Defined and implemented active directory and related services like DHCP, DNS, IIS, FTP, RAS and AD DS. And implemented the terminal services.
• Performed designing, implementing and evaluating applications, systems and utilities relevant to active directory services.
• Created user accounts in active directory and migrated all Windows NT users. Installed active directory domain services. Adding new organizational units in the domain controller and give authorized permissions to the users in the organization.
• Managed active directory sites; replication schedules, site links and boundaries, used ADUC to create and manage computer, user and group accounts in an Active Directory environment.
• Created the forest root domain, and a child domain in a production environment.
• Managed user accounts, groups, print queues and controlled access rights using active directory.
• Diagnosed and resolved issues related to master role failure and AD database.
• Configured automatic updates for network clients by using group policy.
• Implementation and administration of DNS, DHCP and WINS.
• Established external trusts and cross- forests trusts.
• Designed, planned and implemented group Policy, delegation strategies and OU structure.
• Performed routine system management tasks like operating system upgrades, system configurations, system backups, restore etc.
• Managed local, roaming and mandatory profiles, planned strategy for placing global catalogue (GC).
• Implemented and managed IP addressing; configured TCP/IP addressing on a server.
• Install, remove, configure, and maintain network services, equipment’s and peripheral devices.
• Management of file servers, print servers and print queues. Administration of DHCP including creation, reservation and extension of DHCP scopes.
• Managing testing and deployment of critical Microsoft patches using windows software update services (WSUS).

Confidential

Systems Administrator

Responsibilities:

• Analyzed server performance issues based on event logs and management tools.
• Managing virtual machines and basic administration of VM’s.
• Installed and configured Linux, Windows 2000/2003 and application software.
• User and group administration in an active directory environment.
• Maintained a Server environment using remote assistance and terminal service remote administration.
• Actively involved in complete IT infrastructure setup of new Site.
• Addressed queries regarding the information systems / software & extending support of projects including maintenance of hardware / software.
• Installation and administration of file and print servers.
• Administering active directory objects (Users, Groups, Computer and OU), permissions, assignments etc.
• Implementing and supporting TCP/IP networks.
• Managed Windows domain server with various group policies and disk quota
• Planning, installing and configuring of backup Server & backup policies.
• Experienced in identifying systems-related issues and correct the issues.
• Understanding of systems and Network security principles.
• Troubleshooting the hardware, software and network problems.
• Managed installation upgrades and patches.
• Developed and maintained systems documentation to ensure that it is current one.
• Assisted with technology planning through ongoing research.
• Performed upgrades and configuration of systems files and services.
• Recommend, schedule and perform software and hardware improvements and upgrades.
• Planning and implementation of active directory replication.
• Taking system backups of the local domain controllers.
• Monitor disc-space utilization on servers.
• Prescribed system back-up procedures and directs recovery operations in the event of destruction of all or part of the operating system or other system components.