PROFESSIONAL SUMMARY:

• Experience in IT industry with experience in Server administration in various environments - Windows 2008/2008R2/2012R2/2016 with Active Directory Services (WINS, DNS, DHCP) and AWS Services, Linux Administration tasks.
• Extensive hands-on engineering and design experience and subject matter expertise in all versions of Active Directory Domain Services, DNS, DHCP, Certificate Services and WINS
• Extensive support for desktop and other devices with Windows XP, 7 and 10.
• Advanced knowledge and experience in of all stages of the Directory Services lifecycle, from architecture and design through deployment, operations, and security best practices in medium to large enterprises.
• Expertise with Windows Active Directory Administration, Windows /winter Server 2008, Windows Server 2012, Windows Server 2016, GPO, DNS, TCP/IP, DHCP; and managing Microsoft SQL Server.
• Configure the Security Policies /group policies and changing the registry to meet the required security for the Organization
• Experience in designing, implementing changes, troubleshooting, supporting enterprise-wide Windows Active Directory environment composed of Multi-Forest environment with different Trusts, Multi-Forest migration and creation, multiple Domain environment, multiple domain consolidations and retirements, Sites and Services, Site replications and domain controllers.
• Experience in Management of Skype for Business, Lync 2013, Exchange 2013 and 2010 Active Directory 2008 and 2012, System Center 2012, File Share to Office 365 (Share Point).
• Having hands on experience in the field of system, Configuration Maintenance and Troubleshooting of Windows Server 2008/R2, 2012/R2, 2016.
• Experience HP c7000 blade administration and configuration.
• Planned and implemented IP address schemes and subnet masks.
• Experience with writing scripts using VB Script and PowerShell
• Worked on Microsoft SCCM 2012 environment as an administer, including creating or editing security groups, application deployments
• Experience in SCCM and SCOM in order to manage the DEPLOYMENT and security of devices and applications. With in-depth knowledge of SCCM Patch Management
• Extensive knowledge on Vulnerability and Patch Management.
• Good at scripting with Batch files and PowerShell.
• Automated process with the help of scripts and task schedulers.
• Administration and troubleshooting of Windows/Wintel OS, Windows Server 2008, Windows Server 2012.
• Good Knowledge in troubleshooting issues on NAT, configured security policies on VPN, Route-maps and Access Control Lists.
• Knowledge in Data Center and server farm environment. Worked with x86/x64 Intel, HP, IBM, Dell, CISCO hardware- Tower Servers, Rack-mounted Servers, Desktops, Laptops.
• Hands on experience for testing and packaging of Windows updates and new software using Admin Studio and VB Script
• Experience in creating Service Accounts to have Log on as a Batch and Service Jobs, Create and Link Exception policy to windows Application Servers
• Expertise in creating policy domains, realms, policies and rules, configuring access to User directories, setting up response attributes and cookie variables, defining authentication schemes in a SSO Environment
• Extensively worked with Active Directory Services, IIS Servers, DNS, and DHCP.
• Experience in iSCSI SAN, NAS, NFSstorage and RAID concept.
• Experience in implementing and administered operational support for endpoint security related software, and endpoint security with McAfee tools.
• Performed general scripting, automation and troubleshooting of systems.
• Experience in with installation of different kinds of Hardware including HP Net servers, Dell Power Edge Server, Dell Desktop, IBM Net vista, Switches, Hubs, Modems and other Data Communication Products.
• Possess excellent leadership qualities and has good problem solving capabilities.
• Efficiency in management skills, communication and ability to work under strict deadlines.
• Excellent client facing abilities, a great team player with good leadership qualities.

TECHNICAL SKILLS:

VMware

VMware ESX/ESXi vSphere 4.x/5.0/5.5/6.5, vCenter Server, Hyper-V, VMware Update Manager, HA, DRS, FT, vMotion, Storage vMotion, VMware WorkstationWindows Administration

Windows Server 2008/2008R2/2012R2/2016, Active Directory, Windows client OS XP/Vista/Windows 7/10, Linux, Mac.

Tools: SCCM 2012 R2, 2016, SCUP, VSphere, WSUS, IIS Web Server, Active Directory, ADDS, SM9, Admin Studio, App-V, MDT, GPO

Networking

TCP, UDP, IPV4/V6, SNMP, FTP, Telnet, VPN, LAN/WAN, Ethernet, DNS, DHCP, HDLC, DSL Modems, ISDN

Hardware

HP ProLiant DL380 G5/G6 Intel Xeon, HP ProLiant DL385 G6/G7 AMD Opteron, Dell, Cisco UCS blades - B200/B230 series, IBM, PowerEdge 2850, 2950, R710, HP BL 460c G5/G6 blade servers, C7000 HP Chassis. NetApp c Series.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Windows System Admin

Responsibilities:

• Expertise in Building Windows 2012 R2/ 2016 servers based on the company standards and decommissioning the servers.
• Active Directory Services, DNS, Lync Administration, Power Shell in a very large network.
• Expertise in Active Directory design and support (Group Policy Object (GPO), Active Directory (AD) Schema, Organization Unit (OU), LDAP, Sites, Replication, etc.)
• Developing Windows PowerShell scripts to automate Active Directory Moves/Adds/Changes and attribute updates.
• Provided desktop support (Windows, Mac, Solaris and Linux) and supported corporate LAN operations
• Managed Active Directory services using predefined company scripts (Creation of Accounts) and provided server and client support for all issues such as logon failures, account lockout, network connectivity and authentication issues.
• Active Directory Federation Services (ADFS), AD Connect, SAML, web Single Sign-on (SSO), OAuth and related authentication technologies
• Monitoring and performance tuning for both AD and Windows operating systems including connectivity, synchronization, replication, net logon, time services, FSMO roles, schema, NTDS database partitions, AD Backup and Recovery, ADFS, certificate authorities and trust relationships.
• Created minor to complex VB and PowerShell scripts for application
• Monitoring the Active Directory Replication status of the Domain Controllers.
• Kerberos password reset planning & implementation
• Worked on deployment, Installation, administration of Exchange server and file share to Office 365(Lync, SharePoint, One Drive and Skype for business). Knowledge of BPOS, Exchange 2013 and 2016 server.
• Participated in the engineering, planning, coordination, and installation of new or modified Windows 2008/2012R2/2016 Servers including Blade and SAN storage.
• Planned, organized and controlled work efforts, provide input to project standards, provides status of progress, tasks completed and outstanding issues, and produces services\products of the best quality in an efficient manner.
• To ensure system security (IP guard, McAfee endpoint encryption and McAfee antivirus) software installation and updation.
• Installed and Configured WIN, TCP/IP, DNS, DHCP, IIS and Terminal Services.
• Worked on Packed Software with MSI/Windows Installer and VBScript.
• Responsible for providing support through team for Windows/Mac based desktop and laptops within organization.
• Experience with SCCM and SCOM in order to manage the deployment and security of devices and applications.
• Integration testing of repackaged application using SCCM 2012.
• Accomplished Centralized distribution of packages using SCCM 2007.
• SCCM 02 deployment and infrastructure knowledge including troubleshooting experience of large environments.
• Vulnerability assessment and mitigation of risks from the environment on different IT assets including iLOs, IMMs, IDRAC and Virtual connects, removal of vulnerability from Windows servers using windows patches and using scripts,
• Windows Patch Management through Software Update Services.
• Managing Windows Servers, Active Directory, Group Policy Objects, and OS Patch Management toolsets.
• Installed and configured SSL certificates to ensure web site security
• Configured host headers to configure multiple web sites on same IP and Port
• Managing System Services, Users and Groups, GPOs and Firewall.
• Troubleshooting and fixing the Security Updates and application updates, new software installation on multiple computers.
• Excellent communication and problem solving skills.

Confidential, Indianapolis, Indiana

System Administrator

Responsibilities:

• Document and maintain IT Operations manual which adheres to ISO policies.
• Hardening of virtual/host servers as per Microsoft group policy mandates to ensure information security in cloud infrastructure.
• Managed domain controller security - AD, Group Policy, DNS, DHCP in Windows Server Environment
• Active Directory related issues such as: Logon failures, Replication issues, authentication problems.
• Worked on active directory profile management.
• Open required ports and protocols to correct functionality of services and applications
• Replication issues in remote Forests
• Assisted in troubleshooting user problems relating to Operating System issues, network connectivity, upgrades, MS Office products and Internet connectivity.
• Upgraded internal servers from Windows Server .
• Spearhead cross-functional initiative to implement ITIL framework.
• Troubleshot client and server (L1/L2) issues adhering to defined OLA/SLAs.
• Troubleshooting SCCM Infrastructure issues in Package Distribution and Advertisement Status
• SCCM Site Server configuration & troubleshooting.
• Experience in SCCM Administration, deployment, packaging, network inventory and installer.
• Virtual Machine Provisioning: Virtual Machine (VM) Provisioning simplifies the process of VM creation in a Virtualized environment, eliminating the intervention of the System Administrator.
• Active Directory User Automation: Active Directory (AD) User Automation streamlines the process of new user account creation. Incorporating the offering, eliminated the IT Support Analyst’s manual efforts as the automated scripts created the user with all necessary attributes in AD & MS-Exchange.

Confidential

System Administrator

Responsibilities:

• Maintained and troubleshot windows server’s windows 2008R2 and 2012 server with some RHEL and Sun Solaris UNIX/Linux servers.
• Monitor and maintain an Active Directory Network, with multiple forest and managed computer and user accounts.
• Providing technical support for Active Directory Services and Windows administration & migration.
• Managing all the escalation within turnaround time. Identifying root cause and providing permanent solutions for Active Directory issues.
• Install, configure, and maintain Active Directory and third-party software utilities for hardware systems within company operational guidelines.
• Managing Azure Active Directory and AAD Reporting.
• Installing and configuring the VMware vSphere and creating clusters for High Availability (HA) and Dynamic Resource Scheduling (DRS).
• Installed and implemented open source Open Filer 2.3 iSCSI SAN with RAID 10for VMware and other servers with iSCSI initiators. Also managing iStor SAN and Symantec Backup Exec 12.
• Administered and supported Office 365, Lync, Share Point, One Drive, File Share and MS Exchange policies.
• Implemented pilot group for Exchange Online.
• Responsible for all components of Office 365 including one drive, Skype for business, yammer and SharePoint.
• Authentication protocols and troubleshooting and break fixing of authentications scenarios.
• Configuring the conditional access in Azure AD
• Configuring and managing Azure Multi-factor authentication.
• Configure constrained delegation in Active Directory for Kerberos enabled applications
• Troubleshoot Kerberos authentication and constrained delegation
• Mitigated and repaired miss configured SCCM site settings
• Used SCCM 1702 for Windows 10 management
• Setting up Windows Patch Installation Order in the Remediate window.
• Reporting via SQL Management Studio/SCCM reports/Queries
• Identified vulnerabilities, recommend corrective measures and ensure the adequacy of existing information security controls.
• Accountable for closing of Vulnerability Gaps and Health Check gaps on Servers after EOS of servers.
• Worked with data center environment consolidating 5 data centers into 2 data centers. Experience in disaster recovery phase of production servers and backing them up using backup servers by the process of failover and failback.
• Deploying servers using VMware and Hyper V
• Knowledge on Forefront identity management (FIM).
• Installing, configuring, administration of Windows 2003 servers, Active Directory Services, DNS DHCP, FTP, WSUS, IIS Web Server and SQL Database Server, System Management Servers (SMS) servers.
• Experience of working with multiple different networks like campus environment, extranet client environment and WAN networks.
• Upgraded HP ProLiant firmware and Cisco UCSM Firmware
• Worked on OSI layer model/TCP/IP.
• Troubleshooting issues on NAT, configured security policies on VPN, Route-maps and Access Control Lists.
• Worked on projects that involved adding firewall rules, NAT, setting up IPsec VPN between ASA firewalls.
• Troubleshooting DNS/DHCP issues within the LAN network.