Jimmy Powell

Experience

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  City of Rockwall

  Aug 1997 - Sept 2015

  Managed day-to-day operations, security, and overall health of the City’s network infrastructure that supported 300 employees and consisted of 2 Microsoft-based Active Directory domains and 12 sites on subnetworks.Planned and managed the $2 Million annual budget for IT Department-related endeavors.Directly supervised the Network Technician/Developer, assigned technical duties, and assisted with issues requiring a higher level of expertise.Managed Hyper-V cluster for maximum performance and reliability, troubleshot network connectivity issues, and managed a 300-user ShoreTel VOIP phone system.Evaluated, installed, and managed software and hardware for network and organizational compatibility. Managed and monitored the disaster recovery solution daily to ensure backups operated correctly.Performed project management for various IT-related projects across assorted departments and disciplines.Provided guidance and technology assessments to upper management on a daily basis.Managed and fielded Help Desk support calls/tickets and answered escalated Help Desk issues.Maintained technology equipment inventory and multiple VPN networks to other cities within Rockwall County.Collaborated with an outside IT consulting firm on planning large projects and resolving major issues. Show less

  • Network Administrator

    Oct 2003 - Sept 2015

  • Deputy Court Clerk I

    Aug 1997 - Sept 2003
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  HumaCore Technologies, LTD

  Apr 2016 - Apr 2017

  Systems Engineer

  Managed and maintained multiple client networks, firewalls, and VPN connections.Provided Tier 2 support and fielded Help Desk calls the Tier 1 Engineer was unable to resolve.Installed, configured, and tested operating systems, application software, and system mgmt. tools.Conducted monthly onsite visits to client offices to test, troubleshoot, and resolve issues. Maintained security, backup, and redundancy strategies.

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  Dallas Zoo

  Aug 2017 - May 2019

  Assistant Systems Administrator

  Provided Tier 2 support and field Help Desk tickets Tier 1 Technicians are unable to resolve.Server maintenance and installation, both bare metal and virtual machines in a VMware environment.Create and test Group Policies for network Domain and/or Organizational Units/Departments.Responsible for entire physical and virtual server infrastructure, network routing and switching, monitoring IDS for threats, patching desktops and servers, updating firmware on server, AP’s, switch, and SAN hardware platforms.Monitor and verify known good backups for disaster recovery, both in Veeam and LiveVault.Manage and verify backups for SQL servers.Maintain and expand DHCP, DNS, and Active Directory as necessary. Show less

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  FIS

  Oct 2019 - Sept 2021

  Systems Administrator II

  Responsible for the administration of 200 colleagues in four offices, across two states.Management of the domain via Active Directory, File & Print server, patch panels, router, backup ISP cradle point, switches, APC, Avaya IP PhonesInstall, maintain and upgrade internal computer hardware and software systems used for designing and developing company productsManagement of Active Directory for responsible sites/colleaguesPropose and implement systems enhancements that will improve the reliability and performance of the systemPurchase and deploy all desktops and laptops upon EOL of old equipmentTier 2 & 3 support for all site usersTrained personnel on system usageTroubleshooting of server, software and hardware related issuesAssists with recommending, scheduling and implementing system hardware and/or software upgrades or repairsServiceNow ticketing system Show less

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  Texas Native Health

  Sept 2021 - now

  Information Technology Manager

  *Formerly, Urban Inter-Tribal Center of TexasManagement of: - Computer Systems Network - Wireless System- Phone System- Access Control System- Security System- ProjectsTier 3 technical supportSupervisor