Summary
Overview
Work History
Education
Skills
Timeline
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WARREN PLAYER

Los Angeles,CA

Summary

Dynamic IT System Administrator with extensive experience at Be Structured Technology, excelling in Azure Active Directory and MSP environments. Proven track record in optimizing system performance and enhancing user support. Adept at troubleshooting complex network issues while demonstrating strong problem-solving skills and effective communication. Committed to delivering high-quality technical solutions.

Overview

24
24
years of professional experience

Work History

IT System Administrator II / IT Network / Desktop Support IT / Technical Support

Be Structured Technology
Los Angeles, CA
09.2021 - 01.2023
  • IT Administration and IT Integration, including end user support and working with application teams to install, improve or deploy updates to their applications installed in Citrix.
  • System Administrator Level 2 in an MSP environment while creating VM Machines in in a VDI environment and migrating clients IT infostructure from the clients AD Domain Server and DC Server migration over to Azure Active Directory.
  • Troubleshooting in a Hyper-V Management VMWare environment to multiple virtual machines on the virtual network, while utilizing Hyper V Management from the host server.
  • Experienced with Citrix VDIs, XenApp and XenDesktop setup for a new production environment.
  • Knowledge of RHEL provisioning, upgrades, patching, configuring and performance tuning in virtualized environments.
  • Staging new laptops and desktop computers for deployment for new hires and new employee rollout.
  • Troubleshooting network issues with the ISP providers and carriers.
  • Automated Citrix Presentation Server and Windows Server builds, improving reliability and reducing build time.
  • Automated application installation using MSI transforms, scripts, and Citrix Installation Manager.
  • Installed and Configured Oracle on Solaris 9/10 and Redhat Linux Environment.
  • Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers across ESX hosts.
  • MetaFrame XP farm with hundreds of concurrent users.
  • Heavy hands-on content switching and server load balancing with proficiency in configuration, deployment, and operational management and maintenance of Cisco 11500 Series content switches, F5 BigIP LTM/GTM, Citrix Netscaler, and A10.
  • Router configurations within firewall routers such as Cisco, Ubiquiti-Unifi Routers, SonicWall and FortiGate.
  • Creating new user Office 365 Accounts email Outlook accounts on the Active Directory Domain Controller Sync Server and provided Office 365 Administration, adding products to the client’s account Office 365 Premium Business Essentials,E3,E2 EOP Licenses Exchange Admin Center and from the AD Domain Server on Windows Severr 2008, 2012, 2016, 2019, 2022 in Azure Active Directory or DUO Admin.
  • Running Active Delta Sync PowerShell commands on the AD Sync Server after updating changes to the client’s Active Directory profile on the AD Sync Server and running gpupdate commands to update the client’s policies on the client’s computers after joining the computers AD domain controller.
  • Responsible for setting-up, managing and rapid deployment of RHEL 6 / Centos 6 Linux servers using Kickstart.
  • Provided VM troubleshooting to client’s virtual machine performance in a virtual remote pool environment while utilizing VM tools such as NERDIO to access and delegate Virtual Servers for client’s VMware remote pool sessions.
  • Utilizing AutoTask to track IT Tickets and Datto / RMM Agent to update sync client’s infostructure information, also to track and remote into client’s computers VM’S and host servers.
  • Onboarding and Offboarding new and old employees.
  • VPN setups and VPN configurations and VPN troubleshooting issues between the client laptops and domain server.
  • Staging client’s new computers in the new onboarding process and creating the client active directory accounts and applying policy’s while joining the client’s new computers to the network domain server and providing cloud security to the client’s devices such as tablets and mobile phones over the cloud by utilizing Intune that syncs to Azure Active Directory while deploying SharePoint, Microsoft Teams, OneNote and Endpoint to mobile and tablet devices.
  • FileMaker database performance from offsite by installing a Citrix presentation server solution.
  • Responsible for administering and supporting 350 Citrix server environment on Windows Server 2003/2008/2012/2016.
  • Responsible for Terminal server builds and Citrix XenApp server deployments in both Physical and virtual environments.
  • Developed Virtual apps for in-house client server applications through Citrix Streaming profiler 6.5/6.0/5.2.
  • Maintain & proactively monitor the network, server and user infrastructure.
  • Administer firmware and software patches to physical and virtual machines.
  • Extensive knowledge of managing and Upgrading UCS Manager, Upgrading Fabric Interconnect and Upgrading Blade firmware.
  • Planning and performing Nutanix AOS/AHV/Firmware upgrades through LCM.
  • Review Servers and networking equipment. (updates, firmware upgrades, event log reviews, preventative maintenance, etc).
  • Solved vulnerability issues of outdated firmware by scheduling downloads and auto-install of new drivers(no auto-restarts).

Computer Technician / Network Technician / IT Desktop and Technical Support

Rent A Tire LP
Los Angeles, CA
08.2017 - 04.2020
  • Maintained and managed Windows 2003\2008R2 servers in Citrix farm.
  • Set up mixture of OS flavor server for different QC testing purpose: Linux (Redhat), Solaris, Windows NT, Windows 2K, Windows 2003, Novell Open Enterprise Server, Citrix Meta frame Server.
  • Apache, Tomcat, MySQL, FTP, SMTP and LDAP.
  • Administrator systems support / IT Network Analyst, support in network security in an MSP environment troubleshooting VPN connections to servers over a wide area VPN trace-routing data routing to various data circuits and sip trunks through various carriers on a nationwide wan area network and adding new users in Linux Red Hat, while utilizing Linux terminal commands to add users utilizing bash profile commands.
  • Utilizing Windows Server 2012, 2016 in Active Directory to add users.
  • Working on Citrix products XenApp Server 6.5 Environment, Handling Citrix Administration with multiple sites and farms.
  • Administrating a Linux platform for the accounting server and POS applications called 'RSSS' for over 700+ users generating audit reports for sales and accounting department.
  • Installed and configured WebSphere Application Server v8.5 in a Network Deployment fashion utilizing both vertical and horizontal Clustering across multiple machines on RED HAT LINUX using the Profile creator for creating DM profile and Custom Profiles.
  • Migrate systems from RHEL 6 and VMware environment to RHEL 7.
  • Installing, upgrading and configuring RedHat Linux 6.x, 7.x using Kickstart servers and Interactive Installation.
  • IT Network technician when the network goes down and troubleshoot the Firewalls, Fiber Switch, POE Switches, creating user email accounts within MS Office 365 Admin / Exchange, I work directly with the network engineers and NOC technicians to troubleshoot local and wide area network issues, while utilizing IP monitoring tools such as 'SolarWinds' to monitor all the VPN VLAN and WAN networks for each of the chain retail stores nationwide.
  • Utilizing Cisco Firewalls and Cisco, FortiGate, Fortinet, routers Microsoft Azure, Carbonite cloud storage to VM Ware servers also the datacenters and device monitoring in AirWatch.
  • Remote access with LogMein, Bomgar, Teams, Ultra VNC, Managed all client’s networked devices PC, cellphones, laptops, tablets in AirWatch.
  • Performed data migration across multiple UNIX/Linux (RHEL/Solaris/HPUX) servers.
  • Extensive working Linux and Citrix knowledge/experience.
  • Performed SA expertise in Red Hat Linux & Unix environments to monitor and tune system to achieve optimum.
  • PowerShell scripted solutions to collect and report on Citrix XenApp.
  • Designed and implemented platform for deployment and reporting of firmware/BIOS/driver updates on Windows systems.
  • Platform included tools such as HP Systems Insight Manager (SIM), HP Service Pack for ProLiant (SPP), HP Smart Update Manager (HP SUM), and Dell Open Manage Essentials (OME) for one-to-many deployments.
  • Performed SA expertise in Red Hat Linux & Unix environments to monitor and tune system to achieve optimum.
  • Installed Firmware Upgrades, kernel patches, systems configuration.
  • Hardware management and firmware upgrades using Cisco UCS Manager, Cisco CIMC, HP iLO.
  • Managing Datacenter and Hosted services environment that include VMware vSphere 6.5, Nutanix hyperconverged infrastructure and Windows 2008/2012/2016 & Citrix.
  • Working on Citrix XenApp servers for publishing applications.
  • Managed remote connectivity using Cisco CPN, PC Anywhere and Citrix Apps.
  • Virtualization (VMWare vSphere 5 – 6.7, Microsoft Hyper-V).
  • Linux Administration (RedHat Enterprise Server 5-6) Windows Server OS’s (2003 to 2019) CentOS, Ubuntu) and various Cisco switches.

IT Product Support Specialist II / IT Technical Support

City National Bank
Los Angeles, CA
12.2016 - 07.2017
  • Lead Point of Escalation to different Hospitals for networking, firewall, site-to-site, security compliance, EPIC system, Citrix VDI, and VMWare Horizon VDI.
  • Assist external clients, troubleshooting 'Treasury Net' applications, installing software, providing technical support with NCR for E-Deposit system conversion by remote access into client’s desktop PC while utilizing remote an application 'LogMein' for desktop troubleshooting on Mac / Windows 7, 8, 10, SharePoint.
  • Set up Windows Terminal Server and SQL Server, then allowed Citrix Metaframe Server to remote access database.
  • Experience in installing Citrix Presentation server 4.0/ XenApp 4.5/5.0 & Citrix Client Tools and configuring Citrix server policies, Load Management, Citrix Streaming Profiles and Publishing Applications.
  • Experience in administration of various Citrix Xenapp Farms (4.0/4.5/6.5/7.5), shadowing users, checking sessions, troubleshooting ICA connection issues, managing server load and CPU Utilization.

Computer Technician / Desktop & Network Temporary Contract Assignment

UCLA
Westwood, CA
04.2016 - 11.2016
  • TCP / IP LAN / WAN Network troubleshooting, switches and router port forwarding configurations.
  • Provided IT desktop and technical support to all students and faculty staff.
  • Installed new Axis IP cameras and DVR console software system in the facility.
  • Provided technical support and helpdesk on architectural SolidWorks, Rhino, Windows Server 2008,2012, VM Ware, VM Box.

MIS / Network Support Analyst / Temporary Contract Assignment

University Hospitals / Motis
Ravenna, OH
02.2014 - 07.2015
  • Working directly with a team of desktop and network support analyst in server domain migration deployment, switching all the computers in the entire hospital over to a new server domain.
  • Utilizing various dos commands - ipconfig /renew and ipconfig /release and pinging the new server domain IP from each client pc to verify that each of the client’s workstations and medical devices on the network has migrated completely over to the new server domain for each workstation, medical equipment on the network throughout the entire hospital.

IT Camera Surveillance And Product Support Analyst / IT Computer Technician

DTT Surveillance
Los Angeles, CA
04.2013 - 01.2014
  • Managed IP / Analog camera systems and upgrades of 3 remote data centers with similar function Provision storage for Citrix Xen servers from HDS AMS-1000.
  • HD VDI Nvidia K1/2 Blade & Rack Server GPUs with Citrix XenDesktop and Microsoft Hyper-V.
  • Provision storage for Microsoft Exchange 2007/2010 from Netapp Fas filers.
  • Performed POS Integration between DVR Camera Surveillance systems and POS terminals utilizing RS232 Serial Port Data Emulator middleware.
  • Created technical google doc manuals to guide and instruct the rest of the IT-Product Support Team for resolving technical issues for deployment upgrades at 11,000 restaurant, fuel station locations throughout the United States.
  • Performed migration deployments and rollouts to specialized DVR platform systems and camera software platforms.
  • Citrix Enterprise NetScaler Layer 7 SSL VPN and Load balancers Appliances.

POS Programmer / POS Application Support / POS Technician

DOTS, LLC
Solon, OH
06.2011 - 04.2012
  • Performed SAP programming and AS400 configurations changes to the point of sales software that run on NCR and IBM terminals.
  • Resolved terminal credit card authorization problems with FirstData and Paymentech credit card reader troubleshooting.
  • Provided end-user POS support to field engineers and NCR technicians.
  • Created technical manuals to guide and instruct the field engineers and technicians through POS Register system installations.
  • Provided network and SQL database installations to the new POS systems remotely and markdown scanners, printer troubleshooting.
  • Provided solutions to network and server enhancements for a flow of data between Servers and POS Systems.
  • Performed daily reports in excel spreadsheets and electronic transmissions of data polling system between the server and POS register systems and Cisco Router template configurations for PCI complaint network security.
  • PCI Compliant of all lockdown Wi-Fi devices on the network and rollout migration of onsite installations of all the new NCR POS Terminals in all the new and old existing retail clothing stores nationwide.

IT Technician / System Administrator / Network Technician / Citrix Administrator

IT Independent Contractor
Miami, FL
03.2008 - 04.2010
  • Managed Microsoft, Novell, Linux/Unix / File Site servers.
  • Oracle 8i on Red Hat Linux with Citrix, Cisco routers, switches and Voice over IP, HP servers, switches and Voice over IP, Firewalls, Web Design and Backup Solutions.
  • Build, document, and support new infrastructure components of the Citrix environment including Provisioning servers, Windows cluster for DHCP, License server and CIFS share for images, NetScaler Deployment, and configurations.
  • Provided onsite technical and helpdesk support.
  • Provided network installations and network troubleshooting.
  • Provided onsite desktop support and notebook, desktop PC repairs.
  • Provided helpdesk network troubleshooting and notebook PC repairs.
  • IT consulting, building backups, Citrix servers, QuickBooks accounting servers.
  • Citrix NetScaler 9.3/10.1 Installation, Setup, Configuration, and support.
  • Active Directory adding and setting up user profiles on the network and adding permission levels to user’s network applications and provided data recovery and data backup.
  • Involved in supporting RHEL 4.x/5.x/6.x/7.x running on HP, Dell & Cisco HW and involved in patching using Yum repository and Satellite servers and building RHEL servers using kickstart.
  • Design, Administration of NetScaler, VPX, Citrix Access Gateway, XenApp, VMware, Xen Desktop, App DNA, PVD and Provisioning Serve.

Hematology, Middle Ware Technician / Temporary Contract Assignment

Horiba ABX
Irvine, CA
05.2007 - 02.2008
  • Training Doctors and Lab Hematologist in various hospital labs how to utilize the Pentra120 DX Hematology Blood Analyzer, workstation setup and hematology machine calibration to give proper and precise diagnoses to patients after running blood samples.
  • White cell, red blood cell differential counts and calibration and control of the red and white cell differential output of automated hematology analyzers while configuring the Serial RS232 COM Port Data Emulator middleware from workstation to hematology analyzer configurations within the baud rate settings for utilizing an RS232 serial communication data cable from hematology blood analyzer for data transmission raw data of the patients’ blood work sent directly to the hematology workstation to interpret the precise analysis of patients’ blood results for diagnosis.

POS Software Technician / Helpdesk Analyst

Custom Business Solutions
Irvine, CA
01.2004 - 05.2007
  • Provided phone technical helpdesk support to over 40,000 United States store locations during an overnight third shift.
  • Resolved terminal credit card authorization problems First Data and Paymentech credit card reader and SonicWALL Firewall troubleshooting.
  • Provided SQL database troubleshooting and fixes while utilizing SQL insert, select and delete SQL statements and query analyzer to locate discrepancies within the SQL table databases.
  • Helpdesk ticketing documentation with System Track-IT, troubleshooting NCR Terminals, scanners and credit card readers, recipe printer resolutions and troubleshooting credit cards terminals and VPN tunnels transmissions to merchants not authorizing, troubleshooting with Dos Commands.
  • Network and router troubleshooting.
  • Mirroring and redundancy host terminal server troubleshooting and restoring and retrieving files located on the backup host server.

IT System Administrator / Citrix Administrator / Desktop and Network Support

TL EXPRESS
Bedford, OH
02.2003 - 01.2004
  • Helpdesk Ticketing documentation System Track-IT.
  • Provided remote support using Citrix ICA Manager.
  • Utilized exchange server with server 2003 for email setup user permissions on the exchange email server and setting policies in Active Directory installing Citrix on the local windows server 2003 and Backup Servers.
  • Repairing and intensive troubleshooting Fax servers Technical Support remotely nationwide.
  • Involved in supporting the RHEL 5.x/6.x environment performing activities like LVM, Networking, Kickstart and bonding.
  • Repackaged applications from Altiris / BMC Configuration manager tools.
  • Tested applications using Matrix42, SCCM2012 and Citrix Server.
  • Managed and troubleshoot NET Cloud, Cradle Point and Aruba access points wireless devices on Citrix and Airwave.
  • Aruba VPN, customer public and private wireless networks.

POS Helpdesk Analyst & Technical Support Specialist

Data Advantage Inc.
Solon, OH
08.1999 - 02.2003
  • Provided SQL database and VPN troubleshooting while utilizing an helpdesk ticketing documentation system called Track-IT, POS Credit Card Terminal CC Authorization Troubleshooting direct POS contact with retail store merchants nationwide and international remotely in resolving polling issues to the home office and downloaded price file content to all the registers in polling procedures from the home office to the NCR and IBM registers.
  • Intensive troubleshooting while utilizing various MS DOS commands resolve POS problem fixes.
  • Markdown scanners and credit card reader, Thermal receipt printer fix and replacement resolutions and troubleshooting.
  • POS Terminal Software Menu Interface screen end-user support.
  • DSL and Dial up modem troubleshooting to resolve credit cards not authorizing and reset of dial-up modems and DSL troubleshooting printers, modems, network and router troubleshooting.

Education

Certificate of Completion - Pentra DX 120 Hematology Blood Analyzer

Horiba ABX
Irvine, CA
01.2008

Certificate of Completion - MS Access & Excel, MS Office 2003, MS Visual Basic 6.0

New Horizons Center
Independence, OH
01.2003

Certificate of Completion - Visual Basic 6.0, HTML Web Development

The University of Akron
Akron, OH
01.2002

Certificate of Completion - Access Database And Programming, Visual Basic 6.0, SQL Structured Query Language, Windows NT Network Management

Cleveland State University
Cleveland, OH
01.2001

Skills

  • Azure
  • Azure Active Directory
  • AutoTask
  • Datto
  • Hyper V Manager
  • Office365 Admin
  • Exchange
  • Nerdio
  • IT Glue
  • SolarWinds
  • Citrix
  • Linux
  • SQL
  • AirWatch
  • Microsoft Word
  • Excel
  • Windows 7
  • Windows 8
  • Windows 10
  • Windows 11
  • Server 2008
  • Server 2012
  • Server 2016
  • Server 2019
  • Active Directory
  • SharePoint
  • Teams
  • Mail Protector
  • DUO
  • Proofpoint
  • JIVE VoIP
  • MegaPath
  • Fusion
  • INTUNE
  • Azure AD Connect
  • VMware
  • Hyper-V
  • Logic Monitor
  • Meraki
  • Ubiquiti-Unifi Routers
  • SonicWall
  • PowerShell
  • Microsoft Exchange Server
  • MS SQL
  • FortiClient
  • Fortinet
  • Remote Desktop
  • LogMeIn
  • TeamViewer
  • Ultra VNC
  • Bomgar
  • Datto RMM Agent
  • POS systems
  • POS software
  • Receipt printers
  • POS scanners
  • Credit card terminals
  • Positouch
  • NCR
  • Lenovo
  • Knowledgebase ticketing systems
  • Track-IT
  • Heat
  • Remedy

Timeline

IT System Administrator II / IT Network / Desktop Support IT / Technical Support

Be Structured Technology
09.2021 - 01.2023

Computer Technician / Network Technician / IT Desktop and Technical Support

Rent A Tire LP
08.2017 - 04.2020

IT Product Support Specialist II / IT Technical Support

City National Bank
12.2016 - 07.2017

Computer Technician / Desktop & Network Temporary Contract Assignment

UCLA
04.2016 - 11.2016

MIS / Network Support Analyst / Temporary Contract Assignment

University Hospitals / Motis
02.2014 - 07.2015

IT Camera Surveillance And Product Support Analyst / IT Computer Technician

DTT Surveillance
04.2013 - 01.2014

POS Programmer / POS Application Support / POS Technician

DOTS, LLC
06.2011 - 04.2012

IT Technician / System Administrator / Network Technician / Citrix Administrator

IT Independent Contractor
03.2008 - 04.2010

Hematology, Middle Ware Technician / Temporary Contract Assignment

Horiba ABX
05.2007 - 02.2008

POS Software Technician / Helpdesk Analyst

Custom Business Solutions
01.2004 - 05.2007

IT System Administrator / Citrix Administrator / Desktop and Network Support

TL EXPRESS
02.2003 - 01.2004

POS Helpdesk Analyst & Technical Support Specialist

Data Advantage Inc.
08.1999 - 02.2003

Certificate of Completion - Pentra DX 120 Hematology Blood Analyzer

Horiba ABX

Certificate of Completion - MS Access & Excel, MS Office 2003, MS Visual Basic 6.0

New Horizons Center

Certificate of Completion - Visual Basic 6.0, HTML Web Development

The University of Akron

Certificate of Completion - Access Database And Programming, Visual Basic 6.0, SQL Structured Query Language, Windows NT Network Management

Cleveland State University

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