SUMMARY

• 9 years of professional experience in System Administration including Infrastructure Virtualization, Disaster Recovery solutions, operational support and management of Windows Server 2012/2008/2003/2000/ NT/XP environments.
• Extensive experience with Active Directory, GPO’s, DHCP, DNS, IP, Subnets, VPNs, vlan, Network routing, firewalls, LAN/WAN switching and Backup & Recovery, File & Print Server, IIS, FTP, Terminal Servers, Windows Failover clusters.
• Extensive working experience as a VMware Administrator in Datacentre Environment managing vSphere 6.0/5.5/5.1/4.1/4.0 environments, VMware ESX/ESXi 3.5 and 3.0 virtual farms.
• Experience with HP servers (C7000 Enclosure, BL 460c G7/G8, BL 620c G7, DL 580, DL 380 and DL160 G6), IBM servers and Dell Power Edge Servers, Cisco UCS 5108 and SUN X6270 blades.
• Experience in Installation and Configuration of vCenter Single Sign - On (SSO), vCenter Inventory services, vSphere Replication Appliance (vRA) and vCenter 5.5
• Proficient in configuring DNS, DHCP and Active directory services in Windows environments.
• Experience in configuring patching and software deploy jobs in BladeLogic Server Automation tool.
• Experience in Software Defined Datacentre technologies (SDDC) - vSphere, vCenter Site Recovery Manager (SRM), vCenter Operations Manager (vCOPs)
• Build and configuration of vCenter servers, managing and updating ESXi hosts using update Manager.
• Vcenter configuration: VM templates, Host Profiles, Permissions, Alarms and Plug-ins.
• Experience in Physical to Virtual (P2V) and Virtual-to-Virtual (V2V) conversions by using VMware vCenter Converter and PlateSpin Migrate tools.
• Strong understanding and experience of implementing VMware Networking concepts creation of VSwitches, vDS (Distributed Switch),port groups, VLANs, NIC Teaming and load balancing.
• VMware VSphere Distributed services configuration (VMotion; Storage VMotion; DRS; HA; FT).
• Experience with SAN/NAS (EMC/Hitachi/NetApp/3PAR) configuration for VSphere environment.
• Experience with vCenter SRM configuration - Consistency group creation, Protection Group and Recovery plan setup.
• Configured VSphere Replication, Vcenter Server Heartbeat tools to provide HA and DR solutions.
• Used vCenter Operations Manager for capacity and performance management.
• HP C7000 enclosure setup, Onboard Administration configuration and Virtual connect manager configuration: SUS, SAN, Server profile creations.
• Good understanding of Windows and VMware server automation using PowerShell, Power CLI.
• Experience in the deployment of Cisco UCS platform based hosting of large scale enterprise applications including server infrastructure installation, integration, and ongoing operational support
• Strong fundamental knowledge in SAN, NAS storage, Server RAID levels, HBA, Array controllers.
• Perform system maintenance (firmware/driver updates, OS patching) to meet audit compliance.
• Technical Experience to work across cross-functional teams to provide operational support and drive global consistency.

TECHNICAL SKILLS

Operating Systems: Windows Server 2012/2008/2003/2000/ NT

VMware: vCenter Server 6.0/5.x, vCOPs, VROPS, SRM 4.1/5.1, ESXi 6.0/5.x

VM Converters: vCenter Standalone Convertor, PlateSpin, Vizioncore vConverter

Network: TCP/IP, LAN, VLAN, WLAN, DHCP, VPN, VOIP, DNS, FTP,SSH, WINS

Disaster Recovery: vCenter SRM, vCenter Server Heartbeat, NeverFail, Double-Take

Deploy & Patch Mgmt: BMC BladeLogic Server Automation, BigFix, SCCM

IT Service Management: ServiceNow, BMC Remedy 8.1

Mail: Exchange 2003/2007/2010 , SMTP, POP

Database: Oracle 9i, IBM DB2, Sql server, MS Access

Storage: EMC Vmax, Hitachi VSP,HP 3PAR, Netapp DataONTAP 7.x

Others: Nimsoft, ESM, Snare,Powerpath, TSM, Commvault, HP SIM

Hardware: HPProliant DL 580/380 Gseries, ML570/530, HP MSA 1000/1500, IBM Blades, HP C7000 Enclosures, HP Blades BL685, 680, 460, Cisco UCS 5108/B250 M2,B440 M1 blades, Dell PowerEdge Servers, Dell Compellent storage.

PROFESSIONAL EXPERIENCE

Confidential, FL

Systems Engineer

Responsibilities:

• Provided operational support for Windows Server 2012R2/2008/2003 servers and VMware Virtual Infrastructure environment, administering VM’s across three Datacentres running 6000+ VM’s.
• Performed ESXi host upgrades from 5.5 U3b to 6.0 U2 and applying patches to the current environment using VMware Update Manager (VUM), vSphere PowerCLI scripts and ESXI CLI commands.
• Upgraded Vcenter server 5.5 U3e to 6.0, configured backups for Vcenter Postgres database.
• Upgraded ESXi hosts from 5.1 to 5.5U3b for Nutanix NX-3060-G4 Clusters hosting Elastic Search.
• Experience handled project alone updating the OA, ILO, Blade, NIC, HBA firmware and driver versions, Virtual Connect firmware for HP C7000 enclosures and HP DL servers.
• Used PowerShell and PowerCLI scripts for ESXi Cluster configuration checks, ESXi patching, migrating VM’s and SYSVOL health checks and administrative tasks in Active Directory.
• Identify and troubleshoot performance bottlenecks and capacity planning with VMWare vROps.
• Creating Virtual Machines, cloning virtual machines, taking Snapshots of virtual servers, HA, DRS, VMotion and Storage VMotion and creating and monitoring datastores usage within the DRS clusters.
• Created new DvPortgroups for new VLANs, update Trunk ports/port channels, Configuring new datastores, analysing Vcenter logs, troubleshoot/diagnose using ESXTOP commands.
• Creating and updating host profiles, disk expansions, LUN/RDM mappings, diagnosing ESX PSODs.
• Troubleshooting, performance monitoring and optimizing of all aspects of the virtual infrastructure including underlying SAN storage and network systems.
• Created and documented process for deploying Virtual machines on VMware and used Remedy Tool for ticketing (Change Management, Incident Management, and Request Management) and looking after high priority incident tickets both on virtual machine and on ESX host level.
• Extensive experience with VCenter Site Recovery Manager 5.5 (SRM) with EMC VMAX array based replication configuration - Inventory mappings, Consistency group creation, and Protection Group and Recovery plan setup.
• Testing of reconfigured DR solution in Site Recovery Manager - Test mode runs and Actual Failover \ Failback scenarios co-ordinating with Storage and Network teams.
• Setup Windows server 2012 R2 failover clustering, configured Multipathing for SAN connectivity, Installed and configured Fileserver and SQL cluster roles.
• Administered three Active Directory Domains and DNS services, performed Domain Controller upgrades to 2012 R2, DHCP migrations to 2012 R2, migrated SYSVOL to DFS Replication mechanism.
• Recommended and Implemented additional Domain Controllers in each site for redundancy.
• Configured and managed Group Policy Objects (GPOs) across Active Directory Enterprise to create a secure Windows Infrastructure.
• Troubleshooting AD SYSVOL replication issues, GPO errors, Kerberos authentications, update Sites/Subnets, verify/update conditional forwarders and investigate DNS lookup failures.
• Installed OS, Windows patches and security policies through SCCM 2012 /Shavlik Admin Tools.
• Created Automatic Deployment Rules for Software update management using SCCM 2012 R2
• Created and managed SFTP jobs using GoAnywhere MFT solution.
• Provided server and client support for all issues such as logon failures, account lockout, network connectivity and authentication issues.
• Configured Enterprise Certificate Authority server and published templates to issue certificates.
• Configured Dell M1000E Blade chassis with M820 Full-height and M620 half-height blades with VLAN configurations and Port Groups.
• Troubleshoot and perform hardware maintenance including upgrading firmware, bios, driver updates and remediate hardware failure alerts on HP rack mount, blade servers and DELL PowerEdge servers.
• Participated in technical initiatives related to the design, implementation, monitoring, problem resolution, disaster planning and overall maintenance of systems infrastructure supporting the E-commerce and fulfilment business.
• Provided 24*7 on-call support, as part of the team rotation, implemented hardware changes during off hours in datacentre following change management procedures.

Confidential, FL

System Administrator

Responsibilities:

• Daily reactive support for Windows servers and VMware infrastructure globally via hotline and ServiceNow ticketing systems as a member of Global Operations team.
• Co-ordinated branch power downs, participate in Annual Datacentre power downs and DR activities.
• Co-ordinate with global teams to review, approve and implement production changes.
• 24/7 on-call follow the sun support, lead for global Wintel operations during US lights-on hours.
• Infrastructure representative for change management meetings to speak to incidents, problem resolution and new changes or upgrades.
• Member of Global Infrastructure support team, supporting 80 domain controllers spanning sites around the world supporting approximately 100,000 users.
• Manage Active directory security groups; transfer FSMO Roles during maintenance activities, created/modified security groups, user accounts and distribution lists.
• Manage Group Policy Objects (GPOs), Organizational Units (OUs), domain controllers (DCs), and Trusts.
• Configured VSphere 5.1 environment: vCenter 5.1, ESXi 5.1 cluster setup and configure vSphere features (HA, DRS, FT, vDS) on HP BL 660c, 680c, 685c & Cisco UCS B series blades servers on both protected and recovery sites. Administering VM’s across 29 Datacentres running 28000+ VM’s.
• Cloning, Building and configuring new VM’s and installing Windows server 2003/2008/2012 R2 and Linux guest OS. Creating virtual NICs for VMs and assign to DvPortgroups on DVswitches.
• Involved in HP 3PAR storage migrations project, planning and migrating VMFS Datastores from EMC VMAX to HP 3PAR storage LUNs.
• Provided L3 support/RCA for the Windows/RHEL Guests running on VMWare ESXi 4.1U3/5.1 hosts.
• Co-ordinate with business and execute Windows server maintenance plans to install latest software, drivers and firmware updates to ensure supportability and reliability of the core components
• Installed and configured Window server 2008 R2 Failover clusters in branch offices as File Servers.
• Developed PowerShell scripts to perform print server migrations from Windows server 2003 to Windows server 2008 R2
• Troubleshoot firewall port block issues for DMZ infrastructure and application servers.
• Configured Double-Take replication sets on cluster nodes in remote offices to replicate data to hub servers in datacentre and configured backups on the hub servers.
• Co-ordinate with windows engineering team to test and setup monthly BladeLogic patch deploy jobs.
• Used BladeLogic server automation and BigFix tools to deploy OS patches and software packages.
• Troubleshoot and Remediate BladeLogic agent, TSM backup client configuration, Nimsoft robot monitoring agent configuration issues, HP ILO connectivity issues.
• Assist with upgrading Symantec Antivirus agent on over 6000 servers, update sylink files, exclusions.
• Upgraded TSM clients across the environment, troubleshoot backup failure issues, liaise with backup team to setup, and test backup schedules per application requirements.
• Configured EMC SRDF groups and performed storage splits during planned DR activities.
• Co-ordinate with business to plan and implement changes to relocate branch servers.
• Increase efficiency and ROI of VMware hosts by optimizing VMs memory usage closely matching recommended metrics by vCenter Operations manager.
• Involved in health check monitoring and compliance checks of the Cyberark infrastructure, and supported and provided all information to MAS/FED audit per the requirements.
• Provided detailed troubleshooting assistance on Cyberark related issues in windows environment and involved in server support, patching, maintenance and upgrading infrastructure for the application.
• Technical documentation and SOP’s development for operational support.
• Work with global teams to provide follow-the-sun support and drive global consistency.

Confidential, TX

Windows/VMware System Administrator

Responsibilities:

• Provisioning and configuring Windows 2000/2003/2008 physical and virtual servers as per the operational standards in the Environment.
• Involved in Implementing Commvault Backup environment by configuring Dell Power Edge Media agent Servers, Virtual Proxy servers, configuring iSCSI storage and installing agents on test and production servers with necessary firewall configurations on the clients.
• Administering and troubleshooting Core Windows Server Infrastructure, Active Directory, DNS, DHCP, Cluster Server, WINS, print and file servers.
• Provided operational support for VMware Virtual Infrastructure, which includes 60+ VMware ESX, which are SAN/NAS connected, in Production and Non-Production environments.
• Involved in Vcenter configuration: Host Profiles, Permissions, Alarms and Plug-ins
• Configured HA and DRS on ESX clusters in Vcenter, securing vCenter with Roles and permissions.
• Configured Disaster Recovery and High Availability for critical applications like Vcenter and SQL Servers using enterprise tools like NeverFail and Vcenter server heartbeat.
• Virtual Machine template creation, cloning and server deployments.
• Documentation of Pre\Post P2V Migration Activity checklist.
• Analyse existing physical servers, coordinate with development teams and migrate them to Virtual (P2V) using VMware Convertor and Double Take move for P2P.
• ESXi 5.0 /4.1 installations, Memory and CPU load tests, firmware updates and Storage, Network and Security configurations.
• Worked on Cold migration, storage based migrations and Forklift migration approaches
• Installed patches, updates on ESXi hosts and VMware tools upgrades with vSphere Update Manager.
• Installed, configured and supported Microsoft Clustered servers hosting critical applications.
• Used CISCO UCS 5108 Chassis with B series blades for building virtual farms.
• Management of VLANS, VSANS, Service profiles, service templates, Fabric Interconnects, Fabric extenders and Nexus 5K.
• Configured Microsoft NLB clusters to provide HA and performance scalability for VOIP applications.
• Configured Tier 1 Servers in SRM for DR ability, created protection groups and tested recovery plans.
• Maintenance of the server farm, Performance tuning and capacity planning related to the Virtualized environment and monitoring performance using Vcenter Operations Manager.
• Designed and implemented Distributed File System DFS & DFSR and in the process upgrade all the domain controllers to Windows 2008 R2 and upgraded Active Directory schema.
• Lead maintenance activity to upgrade Windows Infrastructure software with the latest software, drivers and firmware updates to ensure supportability and reliability of the core components
• As part of team rotation, provided 24*7 on-call production support and implement hardware upgrade changes in Datacentre.
• Create and maintain project documentation for operational support in SharePoint portal.

Confidential, TX

Systems Administrator

Responsibilities:

• Maintaining and supporting 900+ servers; with about 1500+ users.
• Build/Design Windows 2008/2003/2000 Servers on standalone and blade servers based on application requirements.
• Installing and maintaining VMware ESX 3.5/3.0 servers
• Created VM templates and deployed virtual machines on ESX Hosts, Configured memory, processors, switches, San Storage to virtual Machines on ESX hosts.
• Handled day-to-day VMware Administration tasks using Virtual Infrastructure/VSphere Client and Web Access Client like cluster health check, resource pools, and provisioning FC/ISCSI SAN storage.
• Involved in troubleshooting Virtual machine performance (CLI and GUI).
• Performed root cause analysis for completed production outages, and implemented permanent resolution to the VMware and Microsoft NT/2000/2003 server failures.
• Document, Troubleshooting, performance analysis, and issue escalation with vendors.
• Worked on Active Directory issues such as: logon failures, account lockouts, network connectivity, DNS and WINS name resolution, authentication problems, and file and printer permissions.
• User Support - Monitoring and troubleshooting system performance, server & user related problems.
• Support users to resolve their day-to-day issues related to OS, E-mail, Account issues, hardware etc.
• Migrated 300+ servers from NT 4 to Windows 2003 environment, including File and Application Servers; restored File permissions and Shares.
• Responsible for Backup/recovery strategy of all windows based servers.
• Planning and implementing fault tolerance and strategies for backup and restoring files on the network using different media devices like tape drives, compact disk and additional hard disks.
• Used Altiris to Install the Operating System and to run scripts to update patches on HP Servers
• Update and maintain Group Policies for Sites and OU’s.
• Installation and configuration of Symantec Antivirus (SEP) and troubleshooting connectivity issues.
• Setup Infrastructure for Symantec Antivirus scanners for NETAPP.
• Installing IIS and configuring the web servers, applying SSL certificates.
• Worked on service requests for new accounts and ACL creations.
• Coordination/implementation of hardware and software installations and upgrade changes.
• Manage ticket queue, investigate problem tickets and provide 24*7 On-call support for the production issues.