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vmware admin

Buffalo Grove, Illinois, 60089, United States
May 02, 2019

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Mark Lender



Certified professional with over 20 years of experience with an emphasis on hardware, infrastructure support,

performance and disaster recovery

Highly organized and motivated, sees projects to completion with attention and accuracy

Strong analytical, problem solving and communication skills.


Excellent working experience in VMware ESX 4/5/6 installation, architecture, design and upgrade

Strong experience with VMware vSphere features & technologies: DRS, SDRS, HA, vDS, vSAN, RDM

Technical knowledge & proficiency in Windows, VMware and Infrastructure Administration

Hands on experience with patching and security remediation of VMware hosts and appliances to include security updates, vendor firmware and drivers

Perform ESX hosts and virtual machines migration between environments and across Datacenters

Experience with DELL/EMC Hyper Converge Infrastructure: VxRail, VxRack, SDDC Manager and vRealize automation

Strong background in Windows server administration: AD, GPO, DNS, DHCP

Participate in root cause analysis of major incidents. Provide status and service improvements reports

Hands on experience in administration of Trend Micro DeepSecurity and OfficeScan

Working experience with Ivanti EMSS Patch management

Work with PowerShell, vCLI, PowerCLI, as it relates to administration and reporting analysis

Exchange 2007 and 2013 management and administration

Experience with EMC Avamar and Networker Backup Solution


09/2015 – Present AIM Specialty Health, an Anthem Subsidiary

Deerfield, IL Infrastructure Engineer Advisor/VMware

Support various infrastructure technologies in multiple data center environment

Deploy, Manage, and support vSphere Infrastructure of 12 vCenters and 120 ESXi hosts

Technical lead for VMware Migration of 900 + virtual machines from vSphere 5.5 to 6.5

Support and manage VxRack\SDDC and VxRail Hyper Converge Systems

Troubleshoot and resolve production issues related to storage, virtual and physical systems

Participate in ongoing technology evaluations. Define scope and execute Proof of Concept (POCs).

Configure and manage virtual storage: LUNs, RDM raw disk mapping and VMFS

Monitor performance and ensure availability of VMware, Windows and related systems over 3000 servers

Experience in VMware performance monitoring through vCOPS

Experience of VMware and physical servers SAN migration. (SAN upgrades VMAX, VNX to XtremIO)

Manage AD certificates integration and replacement of VMware 5.5 – 6.5

Deploy and manage MS Windows 2008-2016 servers, Active Directory, DHCP, GPO, DNS

Manage and update Trend DeepSecurity and OfficeScan security

Manage and support Microsoft Exchange, and Certificate Authority

Manage security patches and vendor updates of VMware Infrastructure: HP and DELL servers

Participate in DR infrastructure planning and installation

Provide after hours on-call support

08/2009 – 09/2015 Walgreens Co.

Lincolnshire, IL Systems Engineer

Provide daily support and administration for Walgreens Enterprise infrastructure

Build new 5.5 SSO Environment with 8 vCenters on separate management clusters

Roll out firmware updates on onboard administrators, blades, virtual connect and pass-thru modules

Responsible for planning, configuration, maintenance and administration of VMware ESX 4.1/5.0/5.5 servers in large critical Enterprise Environment

Monitor and support of 28 vCenters, 400+ ESX hosts and 4000+ virtual servers

Install and configure new Avamar Proxy appliances

Configure script to automate setup process for new HP chassis c7000

Consolidate vCenters by moving ESX hosts from 5.0 to 5.5 vSphere Environment

Manage template changes/updates and deployment to all vCenters

Design and build 9 Windows domain for Test/Dev/Prod in DMZ Environment

Design and support Active Directory forest and domain structure for Internal and External SharePoint Environments

Manage Enterprise Active Directory, GPO, Domain Trust and Permissions

Lead migration of Optioncare physical and virtual servers to Walgreens network

Maintain current firmware levels of supported hardware by performing patch management on board administrator

Blade servers, virtual connect, pass-thru, and interconnect modules.

Monitor changes and replication of Active Directory

Deploy security patches and updates utilizing WSUS

Perform hardware replacement and troubleshooting for HP DL servers

06/2006 – 08/2009 OptionCare, Inc.

Buffalo Grove, IL Windows Administrator

Responsible for complete IT support of mid-sized Windows environment, spread out across 19 states and 75 locations.

Manage Exchange 2003 Clustered e-mail system and web based mail system

Maintain and supported 75+ Active Directory Servers

Manage Barracuda spam filter appliance

Customize and Managed Active Directory Group Policy changes

Monitor daily activities of Active Directory on the network

Configure Radius server with Cisco Concentrator for VPN authentication access

Provide Citrix Presentation Servers 4.5 support and management

Implement Active Directory delegation tool for help desk members

Configure Norton Antivirus on remote servers for centralized administration

Evaluate and implemented Self Service Password reset solution for 3000 users

Upgrade Datacenter network with 10 new 2960G Cisco switches

Update new SSL certificate on Citrix Access Gateway appliance and Windows IIS servers

Create a backup solution for critical servers using Acronis Imaging software

WSUS administration for 75 sites (3000 workstations and 170 servers)

Configure and manage 9 WSUS downstream replica servers

04/03-06/06 VNU, Inc./Nielsen

Schaumburg, IL Systems Engineer

Provided software and data processing support.

Responsible for maintenance of servers and monitoring of LAN/WAN activity

Support of IBM AS/400, Windows, Back Office Applications

Perform database administration, new category set-up/refreshes per client requirements

11/02-4/03 SCT Alternatives, Inc.

Wheeling, IL Network Specialist (Consultant)

Supported network infrastructure, data backup, antivirus, and network security. Efficiently analyzed problems and monitored the network to ensure availability to system users.

Design, implemented and, supported new Windows 2003 AD, Exchange 2003, ISA 2004, DMZ, WEB, and SQL Server

Setup new Windows 2003 server in existing Windows 2000 environment and moved domain controller responsibilities to new server

Configure site to site VPN connection on Sonicwall TZ 170


AS in Electronics Industrial College of Riga, Latvia



Windows 20125Administration, SCCM,





VCP 5.1, 5.5

vRA 6.2

vSAN 6.7



Microsoft Certified System Engineer

A+ Certification

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