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Mark Brister Email & Phone Number

IT Security Admin at USRenalcare
Location: Denton, Texas, United States 6 work roles 2 schools
1 work email found @mcafee.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Work email m****@mcafee.com
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Current company
USRenalcare
Role
IT Security Admin
Location
Denton, Texas, United States

Who is Mark Brister? Overview

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Quick answer

Mark Brister is listed as IT Security Admin at USRenalcare, based in Denton, Texas, United States. AeroLeads shows a work email signal at mcafee.com and a matched LinkedIn profile for Mark Brister.

Mark Brister previously worked as Information Technology Security Administrator at Usrenalcare and System Network Administrator at Unifocus. Mark Brister holds Associate, Computer Information Systems from Central Texas College.

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Email format at USRenalcare

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{first}_{last}@mcafee.com
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Profile bio

About Mark Brister

Mark Brister is a IT Security Admin at USRenalcare. He possess expertise in networking, windows server, microsoft exchange, active directory, servers and 12 more skills.

Listed skills include Networking, Windows Server, Microsoft Exchange, Active Directory, and 13 others.

Current workplace

Mark Brister's current company

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USRenalcare
Usrenalcare
IT Security Admin
6 roles

Mark Brister work experience

A career timeline built from the work history available for this profile.

Information Technology Security Administrator

Current
Usrenalcare

Plano, Texas, United States

Manage a McAfee/Trellix environment of over 7000 host and 500 servers using ENS, DLP, MNE and Move. Configure policies for ENS to give all endpoints the best security posture available. Use DLP Device Control to lock down all USB ports on devices and use DLP policies to create user specific controls. Keep all software used in McAfee /Trellix updated to the latest to keep a high standard of versions. Deploy the latest versions of EPO to the server and to Agent Handlers so we would never be on an EOL version.Administer a CrowdStrike enterprise environment for endpoint security using Host Groups, Prevention Policies, and many other policies. Use the sandbox to scan attachments so the email environment stays secure. Keep Sensors updated with Sensor Policies and keep Top level Servers on a -N policy so the server is one version behind the current version.• Administer an OnSpring Instance that covers the following segments:• Risk Register, for any risk in security and controls.• InfoSec Event Playbooks, to give guidance on security incidents.• Audit and Assurance, for the Audit and Controls documentation.• Controls and Compliance, to document mediation of compliance issues.• Risk Management, to store any security risks and solution to the risk.• Policy Management, creating a Policy approval process.• Vendor Management, store vendors and vendors risk data.• Contract Management, to create a Contract process.• Incident Management, to store any security event or incident.• Administer a CyberArk enterprise environment.• Administer a Mimecast email gateway for protection end users.• Administer a SecureLink environment for Vendor access.• Administer a Lansweeper instance to report on host.• Manage a ZeroFox environment for Cybersecurity awareness.• Use a Manage Engine ticketing system for daily task and Change Controls notices.

Mar 2018 - Present

System Network Administrator

Unifocus

• Maintain and support a Data Center environment• Maintain and support a Dell Equallogic San System• Maintain and support VMWare version 6.0 ESX environment• Manage and configure a Dell Switched enterprise network• Manage and configure Microsoft AD 2012 r2 and below• Maintain and support a Barracuda Load Balancer• Support and Configure an HAProxy Load Balancer• Clone and Configure Linux enterprise servers• Proactively monitor a ticketing system for server and support issues.• Reduce overall hardware cost in one year of over 200k• Worked with Vendors to expedite solutions to problems of servers and network• Collaborated with service Provider to get the best solution to infrastructure challenges• Install and configure Microsoft Update Services• Manage and configure a Microsoft Lync phone and IM system• Configure Powershell scripts to automate AD, Lync, and Exchange processes• Manage and configure an Microsoft Exchange email environment• Maintain and configure Backup exec for Exchange and Lync systems• Manage and configure a McAfee Security System• Manage DNS systems from Go-daddy to internal

Mar 2015 - Dec 2023

Systems Engineer

Target

• Proactive technical leadership role supporting all aspects of a Distribution Centers production.• Maximizing IT Systems reliability and Operational Performance.• Overall site responsibility for stability and services within the Distribution Center.• Manage vendor resources and workflow to optimize support and meet SLAs.• Manage the Data Center to predefined standards.• Manage the entire IT infrastructure at the DC in a mixed platform environment.• Conform and adapt network design for changes that maximize production and performance.

Apr 2014 - Dec 2023

Sr Network Administrator

• Configure Network for HIPAA conpliance• Configure and Manage 10 cisco switches• Configure and Manage Wan to Wan VPN connections with cisco devices• Configure and Manage Remote devices to Lan, vpn connections• Design and Build a 400 node lan from scratch• Manage Microsoft Exchange 2010• Manage Microsoft Active Directory build on the 2008 r2 platform• Administer Cisco 5510 ASA Security Appliance• Administer 50+ windows physical and virtual servers• Setup and configure Network vlans• Configure and Manage Backups using BackupExec 2012• Work with Vendors on for Wan and phone connections• Setup, configure and manage wifi connections• Install Security SSL Certificates for Exchange and IIS• Write Powershell scripts to monitor servers• Configure and manage a Barracuda spam filter for email security• Configure and manage Microsoft Forefront endpoint protection server for Microsoft Exchange• Configure and Manage a Microsoft Update Server.• Configure and Manage Hyper-V virtual servers on 2008 and 2012 server• Configure and Manage a Microsoft 2010 Lync communication system, IM, Conferencing, and Voice• Manage Security for endpoints with Trend Micro endpoint protection• Desktop support with team members of over 75 internal users and 25 remote users• Manage video conferencing through Microsoft Lync• Work directly with 3rd party vendors on all hardware and software solutions

Oct 2010 - Apr 2014

System Administrator

Administer windows servers under a Active Directory DomainServers were Windows NT4, 2000 Server, and 2003 ServerManage, Support and Maintain a Microsoft Dynamics Database ServerSupport over 50 desktop and laptop computersInstall and support Windows XP Pro and Vista Business Administer and Support a Trend Micro Virus ServerAdminister and Support a Cisco 5505 ASA FirewallAdminister and Support a Barracuda Spam FirewallAdminister and Support an Exchange Email ServerSupport all VPN installs and client connections

Aug 2008 - Aug 2009

Systems Administrator

Jcpenney Corporation

Administer and support over 50 NT-4, W2k, W2003 and Mac Servers.Configure and troubleshoot Cisco 6505 switch.Work as project lead on network upgrades, including high speed fiber.Provide Technical support for approximately 400 PC and Mac users. Recognized for consistent follow-through within team and client base. Responsible for self-management from initial client contact through issue resolution. Install, configure and troubleshoot Operating Systems including: NT, 2000, XP and Mac OS 10. Troubleshoot and repair of hardware including CPU's, Hard Drives, Printers, Scanners, and numerous peripheral devices. Experienced in data recovery on both PC and Mac systems. Regularly assemble, upgrade and configure PCs from the component level. Designed and implemented systematic upgrade schedule. Familiar with test equipment such as diagnostic software, volt-meters, oscilloscopes, etc.Implement a Fiber Gig network to increase performance to the desktops.Application support for Microsoft Office, Outlook, Internet Explorer, Adobe Creative Suites CS3, Quark Express 7, Remote Desktop, Timbuktu Pro, File Maker.; Configured, Installed, and supported all fonts for all users.

Mar 2001 - Sep 2007
2 education records

Mark Brister education

Education record

Northlake Community College
FAQ

Frequently asked questions about Mark Brister

Quick answers generated from the profile data available on this page.

What company does Mark Brister work for?

Mark Brister works for USRenalcare.

What is Mark Brister's role at USRenalcare?

Mark Brister is listed as IT Security Admin at USRenalcare.

What is Mark Brister's email address?

AeroLeads has found 1 work email signal at @mcafee.com for Mark Brister at USRenalcare.

Where is Mark Brister based?

Mark Brister is based in Denton, Texas, United States while working with USRenalcare.

What companies has Mark Brister worked for?

Mark Brister has worked for Usrenalcare, Unifocus, Target, Interface People, Lp, and United Distributors.

How can I contact Mark Brister?

You can use AeroLeads to view verified contact signals for Mark Brister at USRenalcare, including work email, phone, and LinkedIn data when available.

What schools did Mark Brister attend?

Mark Brister holds Associate, Computer Information Systems from Central Texas College.

What skills is Mark Brister known for?

Mark Brister is listed with skills including Networking, Windows Server, Microsoft Exchange, Active Directory, Servers, Vpn, Troubleshooting, and Hardware.

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