Systems Administrator/engineer Resume
Denver, CO
SUMMARY
- 10+ years of experience in IT Industry as a System Administrator specialized in the areas of VMware Virtualization, Windows Server (2003, 2008, 2012, and 2016), desktop Environment (XP, Win7, Win10) and Active Directory Administration.
- Experienced in managing more than 1000 servers, conducting a daily datacenter walkthrough, hardware trouble shooting, cabling, configuring and racking/unracking for Dell, HP Blade and Cisco servers.
- Extensive experience in VMware Virtualization administration with a primary focus on installation, configuration, and administration of VMware VSphere Suite, ESX/ESXi, VMware vSphere Suite and Windows Servers 2008/12/16 R2, Linux, XP, and Win 7 Operating systems administration.
- Hands on experience in updating / upgrading ESXi servers, Virtual Center servers and windows virtual machines using VMware Update manager, AutoDeploy and manual upgrades for Patching.
- Worked as Windows server admin with day - to-day routine of Installing, configuring, and troubleshooting on the Windows server 2008 & 2008R2, 2012, 2016 over 6 years.
- Participated in complete system builds, upgrades, migrations, code deployments and patch management.
- Good experience in Blade server hardware, RAID, Microsoft Windows Clusters, Compaq / HP Blade Server hardware maintenance, HP Insight Manager.
- Experience in configuration and support of vROPS.
- Assisted with data center cable and rack management.
- Strong knowledge of P2V and V2V conversions by using VMware Converter and XenConverter.
- Installed, configured, and managed Veeam Backup and Replication, EMC NetWorker software’s.
- Provided 24/7 On Call production support onsite and remotely on rotation basis.
- Strong Experience in Configuring vSwitches, dvSwitch, portgroups, NIC Teaming, Traffic shaping, Load Balancing, VLAN tagging, Failover and Security Policies on the vNetwork and Network I/O Control.
- Strong Knowledge of Storage concepts related to NAS, EMC SAN, EMC Symmetrix, EMC UNITY, and Pure storage type of storages from Virtual platform end and Netapp Storage.
- Experience with installing, configuring, managing, troubleshooting, and administrating SQL 2005 and 2008 server databases in Server environments.
- Installing and Managing Active directory and FSMO Roles Transfer in Active Directory Forest. Troubleshooting replication issues in active directory.
- 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 (Web Server), FTP, Terminal Server.
TECHNICAL SKILLS
- VMWARE ESXi4.x/5.x/ 6.0/6.5/6.7/7.0 Windows 2003/2008/2012/2016 Administration
- RHEL 6.x/7.x Administration
- Cisco UCS
- Dell
- IBM
- HP servers
- HPE Synergy
- Cisco Nexus 5K/7K Network switches
- Cisco MDS and Brocade FC Switches
- EMC
- HP
- NetApp storage arrays
- HPE MSL4048 Tape library
- Microsoft Exchange 2007/2013
- SQL Server
- Oracle DB
- DB2
- File Servers
- IBM WebSphere
- WebLogic
- Hadoop
- Open Stack
- SAP
- JBOSS
- Tomcat
- PeopleSoft
- Informatica DW
- WSUS vCenter Server vSphere Operations Management vRealize Operations vRealize Automation vRealize Lifecycle Manager(vRLCM) vCloud Director
- Cisco UCS Manager
- Veeam
- EMC NetWorker
- HP Proliant Server Management
- Dell Open Manage Server Administrator
- Symantec
- NetBackup
- Symantec Endpoint Protection.
PROFESSIONAL EXPERIENCE
Confidential, Denver, CO
Systems Administrator/Engineer
Responsibilities:
- Analyze requirements, procedures, and problems to automate or improve existing systems and review computer system capabilities, workflow, and scheduling limitations.
- Administered multiple vCenter environments which includes ~500 ESXi’s, ~7000 VM’s (windows and linux)
- Design, implementation, and migration of VMware VSphere 6-6.5-6.7-7.0 ESXi, vCenter environments.
- Expertise in advanced features of ESXi vMotion, Storage vMotion, HA, DRS, EVC.
- Hands on experience in upgrading ESXi hosts using VUM and AutoDeploy.
- Hands on experience on updating drivers and firmware on HPE servers.
- Upgraded vROPs, vRLI, vRNI using vRealize Lifecycle Manager.
- Upgraded Virtual Hardware version of 5000 VM’s as part of major enterprise upgrade using PowerShell.
- Investigate alerts and alarms in VMware vCenter through vRealize Log Insight analysis.
- Migrate vCenter, ESXi hosts and Virtual machines from ESXi 5.x/4.x to ESXi 6.7. This involved using various tools like vMotion/svmotion, VMware Upgrade Manager, Cross vCenter Migration Utility etc. Virtual Machine VM Tools and CPU was also upgraded.
- Enable and disable Storage DRS (SDRS) using the vSphere Web Client.
- Ensured that system improvements are successfully implemented and monitored to guarantee availability and increase efficiency.
- Experience in collaborating with cross-functional teams across the organization following agile methodologies to implement new features.
- Deploy and troubleshoot Windows and Linux instances as per the requirement.
- Used ServiceNow tool for creating and managing multiple incidents, Change Requests, Storage requests, decommission tasks etc.
- Experience working with the Data Center Services team troubleshooting hardware issues.
- Project experience, which includes requirement analysis, architecture, design, coding, testing, UAT and support.
- Experience in HPE OneView for managing HP chassis across datacenter.
- Experience in writing documentation on common tasks and standard operating procedures for internal use.
- Worked on regular issues and resolved them in timely manner and documented them for future reference.
- Monitor and act on resources through the VMware vRealize operations manager.
- Collects performance data from each object at every level of your virtual environment, from individual virtual machines and disk drives to entire clusters using vRealize Operations Manager.
Environment: ESXi 6.5/6.7/7.0, vSphere 6.5/6.7/7.0, Windows 2008 R2, 2012 R2, 2016 R2, HP C7000, HPE Synergy, vRealize Automation, Site scope VM Monitor, vRealize Operations Manager (vROPS), vRealize Log Insight(vRLI), vRealize Network Insight(vRNI), vRealize Lifecycle Manager(vRLCM), ServiceNow
Confidential, Windsor Mill, MD
SYSTEMS ENGINEER
Responsibilities:
- Administered multiple vCenter environments which includes ~200 ESXi’s, ~4000 VM’s (windows and linux)
- Written and ran multiple playbooks in Ansible for installing app’s to x86 linux vm’s.
- Installed and administered HCL BigFix 9.0 for patching the windows servers.
- Automated the vCenter VM build process through Jenkins pipeline. Automated the IPAM and DNS using the same pipeline.
- Migrated multiple esxi hosts from obsolete versions to 6.7 versions.
- Installed and administered Actifio backup tool for creating and managing the backups for vCenter VM’s.
- Managed and administered InfoBlox for IP address management. Administered DNS, DHCP zones of the environment. Created and managed multiple IP addresses for multiple hosts including desktops and servers.
- Used service now tool for creating and managing multiple incidents, service requests, change requests and decommission requests.
- Deploy the servers (Linux\Windows) as per the requirement on the different hypervisor environments.
- Work schedule on call duty to maintain the business continuity and review meetings on the operations.
- Executed software and hardware upgrades as needed or scheduled, including emergency rollouts.
Environment: vRealize Operations Manager (vROPS), ESXi 6.0/6.6/6.7, Windows 2012/2016/2019 R1, vRealize Automation, Microsoft SQL Server, Actifio, HCL BigFix patch management 9.0, Ansible, Jenkins, DNS, DHCP, Active Directory, EMC Isilon, Celerra, RHEL 7.X
Confidential, Cambridge, MA
SYSTEMS ENGINEER
Responsibilities:
- Install, and configure a highly available and scalable virtual infrastructure.
- Establish and maintain service levels, perform basic troubleshooting, monitor vSphere implementation and vCenter server.
- Participated in Enterprise testing for integration of proposed new technologies to be included in the enterprise design and develop test-related documentation.
- Involved in operational support of Active Directory, WINS, DNS, and AD enabled applications.
- Participated in Open stack discussions for next generation of virtualization with cross functional teams between engineering, networking.
- Investigate user problems, determine possible solutions, and oversee software, installation, and upgrades.
- Advised on ESXi host configuration changes, driver, and firmware updates to resolve VM and ESX hoststoragelatency issues.
- Troubleshoot and support issues related to VMware ESXi host, VMware virtual center, HA, DRS, VMware update manager.
- Performed periodic system maintenance withvMotionand StoragevMotionfor vSphere ESXi 5.5 and ESXi 6.5 datacenter environments.
- Involved in live migration of Virtual Machines and Virtual machines files using thevMotionand StoragevMotion.
- Involved in Customizing VM's Memory, hard disk, NIC and Analyzing log files, Resources utilizing monitoring.
- Experience managing and designing an OS image for large corporate environments
- Performed backup and restore operations of VMware host server’s configuration, Virtual machines backup, snapshots, P2V-V2V conversion using VMware stand-alone convertor, applying Patch updates, monitoring/reporting, SSH, SNMP and alerts notification.
- Responsible for maintaining DNS, DHCP, Windows File Servers, NFS, FTP services.
- Assisted in Datacenter migration from one location to other.
- Configured, maintenance, and troubleshooted Backup, Replication, and Backup copy jobs using Veeam and EMC NetWorker software’s.
- Performed data restoration from backup.
- Installed, configured, and managed HPE StoreEver MSL4048 Tape library.
- Oversaw the Tape rotation workflow with Iron Mountain for all offsite tape storage.
- Configured Tenants, Blueprints, Security Groups, End Points and Resource Pools in vRA Infrastructure.
- Providing 24/7 on call support for critical and production issues.
- Performed Fiber channel network zoning on Cisco MDS class switches.
- Performed Installation and troubleshooting ofSymantecEndpoint Protection manager.
- Involved in installing Patches and Security updates for all AD Domain Controllers and Application Servers, managed viaWSUS.
Environment: ESXi 6.5/6.0/5.5, Windows 2008 R2, 2012 R2, 2016 R2, Dell EMC Unity, Celerra, VMAX, VNX, Data Domain, vBlock, UCS, EMC Power Path, Virtualization (VMware), vRealize Automation, HPE Rack Servers, Site scope VM Monitor, VMWARE SRM, Microsoft SQL Server, Nexpose - Rapid7, Tripwire Log Center, Cisco MDS 9000 Series, VEEAM, EMC NetWorker, Symantec Endpoint Protection.
Confidential, New York, NY
SYSTEMS ENGINEER
Responsibilities:
- Design, Implementation and Troubleshooting of VMware ESX 6.5/6.0/5.5 Hosts, VMware vSphere vCenter 6.5, VMware Horizon View 6.2.3 on Dell Chassis M1000.
- Responsible for successfully upgrading all ESXi 5.5 to ESXi 6.5 hosts and vCenter servers 5.5 to vCenter Server 6.5 by coordinating procurement, installation, and configuration of any new hardware or software required to support the upgraded environment configuration.
- Managed VMware ESXi hosts using vSphere client and Web client. Performed VMotion and storage vMotions by creating Clusters for High Availability and Dynamic Resource Scheduling.
- Creating host profiles and deploy to hosts in VMware clusters.
- Handled the VMware solutions to support multiple storage connectivity options such as FC-SAN, iSCSI, NFS (NAS)
- Configured Vcenter and Deployed Windows 2012R2 Servers for each component.
- Worked on Nutanix Servers Racking, cabling and imaging with hypervisor and 2 8-node cluster creations with flat layer-2 switches connected to the cables.
- Created documentation for migration from HP blade servers to Nutanix NX-3060-G4, ESX hypervisor to Acropolis (AHV) hypervisor.
- Built and deployed 4 Storefront servers at two sites and integrated with Netscalar for external access.
- Configuring different type of Port Groups Policies like Security policies, Traffic Shaping, Load balancing, Failover detection, Hard/Soft zoning and VLAN Tagging.
- Configured 2 factor authentication with netscalar by using Okta Verify.
- Used CyberArk to improve security protection and to establish single-sign-on to accounts in cloud.
- Built and tested a POC environment for migration verification.
- Created and optimized new master images for all pooled session and dedicated/persistent sessions with PowerShell startup script created for better optimization of Windows 7/ windows 10 images.
- Created and deployed Delivery groups with respective user access and authentication.
Environment: ESXi 6.0/5.5/5.1, Windows 2000, 2003, 2008 R2, 2012 R2, EMC Isilon, Celerra, VMAX, VNX, Data Domain, vBlock, UCS, EMC Power Path, HP EVA Storage, cloud foundry, Virtualization (VMware), Dell Blade Servers, Dell Open Manager, vCOPS, site scope VM Monitor, VMWARE SRM, Microsoft SQL Server, MS Exchange 2007/2013.
Confidential, Baltimore, MD
VMWARE Administrator
Responsibilities:
- Installed and implemented the VMware ESXi 5.5/5.1 host servers with vSphere Client, vSphere CLI.
- Built physical and virtual (VMware) Windows Server 2008 R2 (500+ servers) along with configuration of vMotion, vSwitch, and VLAN in VMware vCenter for high availability.
- Troubleshoot and support issues related to VMware ESXi host, VMware virtual center, HA, DRS, VMware update manager.
- Migrated 1000+ physical servers to virtual which includes virtualizing applications and Databases.
- Created Clusters with High Availability and Dynamic Resource Scheduling. Played a vital role in Creating Virtual Machines, cloning virtual machines, VM-Provisioning (Linked clones, thin disks, de-duplication) taking Snapshots of virtual machines.
- Creating host profiles and deploy to hosts in VMware clusters.
- Installed and configured Microsoft Windows 2008 Servers from ILO management tool on Rack servers and blades.
- Migrated applications from physical servers to virtual servers onUCS. Converted all possible infrastructures from physical Dell servers to virtual or bare metal onUCS.
- Deployed a self-provisioning Private Cloud usingvCloudDirector 5.1.
- Implementation of install, design and configuration of VMware'svCloudAutomation center.
- Installation and configuration of ESXi 5.5 on HP Proliant and Dell servers
- Managing ESXi (5.1) HA server clusters using vCenter.
- Work with SAP Basis team, Linux team, Windows team, Networking team and Storage team to Deploy new virtual machines for incoming clients.
- Migrate existing client machines from their private cloud to our environment
- Manage user accounts and permissions for client account managers, Windows team, Linux team, SAP basis team, Storage team and Monitoring team (Active Directory).
- Built in vCenter Server performance charts (CPU, Memory, Disk Latency, iOPS).
- Experience with change control and service request ticketing system to accomplish day to day tasks in our cloud environment.
- Configured NAS devices for client import and export with EMC Isilon and Celerra
- Created forms to standardize tracking of resources (CPU, Mem, Storage) for each client
- Provided after hours support to troubleshoot and solve issues that caused client down time or performance degradation
- Worked with hardware vendors (EMC, HP, and Dell) on having bad hardware replaced in the servers.
- Troubleshooting Windows Server 2008 R2 and 2012 OS related issues on production environment, development, and QA environments.
- Writing and developing Windows PowerShell/PowerCLI scripts for automating procedures within VMware vSphere environment.
- Converting (P2v) Windows and Linux Physical Large-Scale datacenters to VMware vSphere virtualize while using VMware vCenter Converter software.
Environment: Windows 2000/2003/2008 R2, vCloud, vSphere, EMC Isilon/Celerra, VMware ESXi 5.5/5/1, Hyper-V, Dell Power Edge Servers, PowerShell scripting, CISCO UCS blade servers, HP Servers, IBM Blade Servers, Remote desktop services, IBM TSM, IBM NAS, Cisco Nexus 5K, MS Exchange 2007.
Confidential, San Antonio, TX
Windows/Linux Administrator
Responsibilities:
- Day-to-day maintenance of UNIX servers and troubleshooting.
- Performed Red Hat Linux Kick start installations on Redhat 4.x/5.x
- Performed Red Hat Linux Kernel Tuning, memory upgrades.
- Used various networking tools such as SSH, Telnet, rlogin, ftp and ping for daily operational activities.
- Responsible to design, implement and maintain DNS, NFS and FTP services.
- Creating and Administrating File systems on Red Hat Linux.
- Installation and Configuration of VMWARE ESX 3.x server in test environment and Created RHEL Guest VM’S for Test environment.
- Installed/ upgraded patches, firmware, MP, GSP, BIOS and security (Kernel) patches for all HW & OSs in installed infrastructure
- Upgraded Servers with VERITAS Volume Manager (VxVM) from 3.x to 4.1.
- Installed and configured HBA’s on SAN connected servers, performed firmware and driver management.
- Configured NIC cards on servers for Network connectivity. Isolated management network and production network on separate physical NIC cards.
- Worked on Shell scripts and Perl scripts for automation of daily tasks using Cron tab.
- Troubleshooting Unix/Linux network and security related issues.
Environment: Windows 2000/2003/2008 , Redhat 4.x, VMware ESX 3.x, NetBackup, JBoss, WebLogic, SAN, Oracle.