Dave Mims

Dave Mims Email and Phone Number

M365 Engineer @ GameStop
Euless, TX, US
About Dave Mims

As a Sr. M365 Administrator at PlayStation, I lead deployment projects, plan and execute M365 migrations, configure cross tenant Azure B2B solutions, and resolve T3 escalations. I have over 5 years of experience in supporting and optimizing M365 solutions for gaming studios and retail stores, as well as handling migrations and acquisitions. I am certified in Microsoft 365, Azure, and Power Platform fundamentals, and I have expert knowledge of Teams, Exchange Online, SharePoint, OneDrive, and Power Automate.I am passionate about enhancing end user productivity and collaboration through Microsoft technologies. At my previous role at GameStop, I trained users, managed vendor partnerships, participated in international IT leadership meetings, and presented project updates and forecast to executive management. I also integrated line of business apps with Okta SSO using various methods and protocols. I am always eager to learn new skills, embrace new challenges, and deliver value to my organization.

Dave Mims's Current Company Details
GameStop

Gamestop

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M365 Engineer
Euless, TX, US
Website:
gamestop.com
Employees:
16939
Dave Mims Work Experience Details
  • Gamestop
    M365 Engineer
    Gamestop
    Euless, Tx, Us
  • Crestron Electronics
    Flex Support Engineer
    Crestron Electronics Mar 2024 - Present
    Rockleigh, Nj, Us
  • Sony Interactive Entertainment (Playstation)
    Sr. M365 Administrator
    Sony Interactive Entertainment (Playstation) Mar 2023 - Mar 2024
    Responsibilities include planning and managing the Teams environment, leading M365 deployments and integrations, mergers & acquisitions and M365 escalations. Created and managed 100 user pilot for Teams Premium and created policies for production use. Creator and leader of the Teams champion program using Viva Engage Communities. Technical Lead for a high visibility M365 tenant to tenant migration for EXO, SPO, OneDrive, Teams and AzureAD\Entra workloads using AvePoint Fly. Resolve escalations from the M365 T3 support team.  Resolved Teams performance issues with Meetings and Live Events by identifying network misconfigurations and deploying Kollective eCDN service to reduce network bandwidth.  Manage Azure\Entra guest access and Azure B2B solutions for the gaming studios.  Reduce operational cost by eliminating application overlap by providing M365 services already owned.  Load custom Teams apps into pre-production Teams Admin Center for testing and proof-of-concepts.  Configure, maintain, and support the M365 pre-production tenant. Utilized Jira and ServiceNow.
  • Gamestop
    Office 365 Automation Engineer
    Gamestop Aug 2021 - Jan 2023
    Grapevine, Texas, Us
    Resolved complex issues and escalations for O365 and Okta. Collaborated across departments in an Agile environment to integrate business apps into Okta SSO, automate and simplify business processes, reduce application spending cost, and provide end-user training for upcoming deployments and migrations. Presented to Executive staff to get sponsorship for new projects and to provide updates.  Provided AD / Azure AD and Exchange administration for domestic and international users, groups, and mailboxes in a Hybrid environment.  Automated business processes using Power Automate, Teams and SharePoint to reduce cost and increase efficiency.  Tested and installed custom developed Teams apps into the Teams Admin Center.  Oversaw Teams integrations and worked closely with IT Security to review permissions and potential roadblocks.  Hosted Microsoft Teams Live Events using various A/V equipment such as capture cards, USB and HDMI cameras, configuring OBS or WireCast and working with 3rd party vendors.  Migrated department files from local SAN to SharePoint libraries. Worked with department leaders on migration strategy, roadblocks, and training end users.  Resolved complex issues within O365 and Okta, requiring collaboration with other departments and/or outside vendors.  International IT liaison for upcoming security and Office 365 related changes, issues, and feedback. Utilized Jira and ServiceNow.
  • Microsoft
    Microsoft Exchange Support Engineer Iii
    Microsoft Aug 2020 - Aug 2021
    Redmond, Washington, Us
    • Supported Exchange 2010\2013\2016 and 2019 for both commercial enterprise and government cloud contracts. • Supported Exchange in hybrid and private on-premises environments.• Owned and resolved Sev-A critical escalations in a timely manner.• Collaborated daily with incident managers and account owners regarding details of open cases.• Worked with the Exchange Product Group on bugs and complex cases.
  • Gamestop
    Office 365 Engineer
    Gamestop Oct 2017 - Aug 2020
    Grapevine, Texas, Us
    Migrated on-premises workloads to Office 365 including Exchange Online, Skype to Teams, OneDrive, AzureAD and SPO. Maintained ownership after migration and handled all O365 escalations. Provided training and documentation for service desk and users. Managed Exchange migration for 5K mailboxes to Exchange Online, including post migration support and creating documentation for service desk. Technical lead for the Skype to Teams migration for 5k users. Planned and executed Microsoft Teams deployment to all corporate users globally and US retail stores.  Managed OneDrive migration for 5k users from Syncplicity cloud storage service.  Managed the Polycom/BlueJeans migration to Microsoft Teams Rooms globally, from ordering hardware to user training.  Supported 25 Microsoft Teams Rooms internationally from Yealink, HP, Logitech and Creston room systems.  Created custom Teams policies and dynamic groups to manage corporate and front-line workers. Delivered recurring M365 monthly training sessions in-person and streamed for remote users.
  • Nct - Network Computing Technologies
    Technical Support Engineer Lead
    Nct - Network Computing Technologies Jan 2015 - Aug 2017
    Managed Service Provider for Dallas / Fort Worth clients specializing in Office 365, networking, security, and desktop services. My duties involved technical sales and consultations, server migrations, O365 migrations and lead engineer escalations. Supported small businesses in private, cloud, and hybrid environments with Windows Server 2012 and 2016, Exchange 2016 and O365, Exchange Online and Azure IaaS.  Responsible for network connectivity for PACs imaging servers, Ultrasound machines, MRI machines and Xray stations Migrated 25 Hyper-V guest VM’s to Azure VMs and established site to site VPN to corporate LAN.
  • Matador Networks, Llc
    Technical Services Manager
    Matador Networks, Llc Apr 2012 - Jan 2015
    Mckinney, Texas, Us
    Managed service desk and field services for a Dallas area MSP specializing in the healthcare and finance industries. My duties included being the technical point of escalation for all customers, new client surveys, technical sales and migrations.  Performed new site surveys to assess server performance and network bottlenecks for troubleshooting and upgrades.  Maintained OS, application, and AV updates on all endpoints to GLBA and HIPPA standards. Responsible for client backup and reporting. Provided root cause analysis to clients for critical issues.
  • Microsoft
    Office Support Escalation Engineer Iii
    Microsoft Mar 2009 - 2010
    Redmond, Washington, Us
    • Tier 3 escalation for Consumer Services Support (CSS).• Worked high profile cases - HOT's\Exec, BBB\AG, Media and Press.• Completed root cause analysis on routine and complex problems.
  • Microsoft
    Windows Support Escalation Engineer Iii
    Microsoft Sep 2007 - Sep 2008
    Redmond, Washington, Us
    • Tier 3 escalation for Consumer Services Support (CSS).• Worked high profile cases - HOT's\Exec, BBB\AG, Media and Press.• Completed root cause analysis on routine and complex problems.
  • Dr Horton
    Helpdesk
    Dr Horton Dec 2003 - Dec 2006
    Arlington, Tx, Us
  • Tower Digital
    Field Engineer Ii
    Tower Digital Jun 2004 - Jun 2005
    Fort Worth, Texas, Us
  • Buchanan Associates
    Desktop Support Consultant
    Buchanan Associates Jul 1999 - Jul 2001

Dave Mims Skills

Windows Server Active Directory Microsoft Exchange Technical Support Help Desk Support Servers Windows Networking Disaster Recovery Windows 7 Microsoft Technologies Dns Vpn Network Administration Troubleshooting System Administration Sharepoint Virtualization Firewalls Vmware Computer Hardware Windows Xp Sccm Microsoft Products Iis Microsoft Certified Professional

Dave Mims Education Details

  • Tarrant County College
    Tarrant County College
  • Smu Mcse
    Smu Mcse
    Server Administration

Frequently Asked Questions about Dave Mims

What company does Dave Mims work for?

Dave Mims works for Gamestop

What is Dave Mims's role at the current company?

Dave Mims's current role is M365 Engineer.

What is Dave Mims's email address?

Dave Mims's email address is da****@****top.com

What schools did Dave Mims attend?

Dave Mims attended Tarrant County College, Smu Mcse.

What skills is Dave Mims known for?

Dave Mims has skills like Windows Server, Active Directory, Microsoft Exchange, Technical Support, Help Desk Support, Servers, Windows, Networking, Disaster Recovery, Windows 7, Microsoft Technologies, Dns.

Who are Dave Mims's colleagues?

Dave Mims's colleagues are Tyler Gillum, Riley Welch, Daniel Wittekind, John Lee, Crystal Randall, Francesco Minucci, Riley Gregory.

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