Data Centers Active Directory

ALEX HARRISON

**************@*****.*** • 713-***-****

***** ****** ***** *****, ******* Tx 77429

SUMMARY:

Exceptional Enterprise, Infrastructure and Integration IT Architect with over 20 years of experience, specializing in Architecture and Infrastructure

Defines roadmaps that align with customer needs. Expert at consulting, developing and managing multiple teams and complex project work streams across critical business domains. Strategic ability to consult, manage and lead both business transformation efforts and technology projects

CORE QUALIFICATIONS:

VMware

Hyper-V

Dell/EMC/HPE/NetApp

Cisco UCS

Citrix XenApp, Xen Desktop

Microsoft Exchange, O365, Active Directory, SCCM, Azure, AWS

SQL Databases

Linux and Windows Server

PROFESSIONAL EXPERIENCE:

QUANTA SERVICES - HOUSTON, TX 01/2021 – 12/2024

SR. VIRTUALIZATION & STORAGE ENGINEER

Worked with the Quanta infrastructure compute and storage team, supporting three datacenters and approximately 100 operating units at various locations.

VMware and Hyper-V virtualization

HPE and DELL compute.

NetApp, HPE and DELL storage

Veeam backup

Actively worked on projects for mergers and acquisitions of operating units and onboarding the operating units to Qaunta standards for compute and storage. This included discovery, design and implementation for compute and storage.

MS EXCHANGE / O365 HYBRID DEPLOYMENT. ON PREM EXCHANGE

PROFESSIONAL EXPERIENCE:

CY-FAIR FIRE DEPARTMENT - HOUSTON, TX 10/2017 – 10/2021

PUBLIC SAFETY SYSTEMS MANAGER

Managed the IT and Radio divisions for the organization. Hands on deployment, development and maintenance of the following key areas and technologies in an environment consisting of 3 Data Centers, 25 locations, and 500 users.

VMware infrastructure across three data centers. The VMware infrastructure consisted of a hyperconverged platform based on Dell\EMC VxRail running vSphere 6.x to 7.x

Network infrastructure including three data centers and 25 remote locations. Network infrastructure consisted of Cisco switches and routers running on a 10Gb fiber ring tying the three data centers together. Remote locations were connected via redundant MPLS connections from multiple providers

Veeam on vSphere and Dell Isilon SAN backups for entire organization

MS Exchange / O365 hybrid deployment. On prem Exchange 2016 for primary email and for secondary redundancy O365 Exchange and Office suite

MS Active Directory. AD recently migrated to 2019

MSSQL databases and applications. Supporting MSSQL databases ranging from 2013 to 2019

Firewalls as well as Cybersecurity systems and policies for the entire organization. Fortinet FortiGate firewalls including Forti Mail for email

INDEPENDENT CONSULTANT / CONTRACTOR - HOUSTON, TX 10/2016 – 10/2017

ENTERPRISE INFRASTRUCTURE ARCHITECT

Contract projects performing Citrix and VMware migrations

DYNEGY - HOUSTON, TX 09/2015 – 09/2016

SR. TECHNICAL SPECIALIST

Maintained several thousand Production and Development servers at multiple data centers and locations with 99% of the infrastructure virtualized on VMware. The server infrastructure consisted of the following hardware and operating systems

oHitachi and Nimble SANS\NAS

oCISCO UCS

oHP Blade servers

oWindows Server and Linux

Owner of the Citrix infrastructure

Designed, deployed and tuned the Citrix infrastructure for over 50 remote sites and plants for approximately 5,000 users

Managed Citrix infrastructure consisting of Production and Development Citrix farms running XenApp 6.5 and 7.9 on 40 servers hosted on VMware

Maintained and enhanced Active Directory

Executed key Domain Controller deployments and upgrades

Increased performance of Active Directory improving replication speeds and reliability while reducing network and server resources

Managed MS SCCM and Apple MDM

Managed trust relationships for multiple domains as the result of migrations, acquisitions, and mergers

Supported Exchange migration from on premise to the Cloud with Office 365

DOUGLASS MEDIA GROUP, THE GREENSHEET INC - HOUSTON, TX 07/2004 – 04/2015

SR. INFRASTRUCTURE ARCHITECT

Managed technical team of 10 architects, engineers, developers, and desktop support staff

Directed day to day operations of technical team, including project management and staff coaching

Absorbed duties of CIO during changes in leadership

Deployed Citrix solutions to increase efficiency of application delivery over existing WAN infrastructure, allowing capacity to be increased and performance improved while reducing cost. Latest Citrix refresh was version 7.x

Deployed Citrix coupled with VMware infrastructure, allowing delivery of corporate applications to remote branches. This provided application redundancy and failover from site to site, as well as disaster recovery in the event of a service outage. Latest VMware refresh was version 5.x

Tuned Citrix and VMware deployments, improving performance and reducing infrastructure footprint. This was accomplished by converting physical servers to virtual, which resulted in increased density of virtual machines and fewer hosts

Progressively virtualized 99% of 2 data centers using VMware supporting approx. 300 users across 5 locations, reducing hardware and software costs, while increasing performance. This also allowed for more frequent, simpler and less costly hardware refreshes for the infrastructure

Deployed and tuned storage including NAS (iSCSI) and SAN (fiber and iSCSI), with EqualLogic, EMC VNX and other vendors

Executed deployment of server refreshes:

Microsoft Server latest version 2012R2

VMware physical hosts

Microsoft Office latest version 2013

Microsoft Exchange latest version of 2013

Extensive AD experience with Forests, Domains, Trusts, Exchange, User Management and Group Policy

Deployed and supported databases. DBA for MSSQL (2005, 2008, 2012), Oracle and Sybase databases. Tuned and optimized databases applying indexing, compression and query optimization

Provided last tier support for technical and development team on problem resolution and technical consultation

Projected coordinator and designer with continuous build and integration focus

Provided various architectural inputs and choices focusing on scalability, reusability and extensibility of the products

Leveraged the virtual infrastructure for Disaster Recovery and Business Continuity solutions between 5 sites and co-locations, including failover

Designed and supported network infrastructure of LAN/WAN/WIFI in 5 locations

Developed databases for web and reports for operations, supporting approx. 35MM in annual revenue

Deployed anti-virus software and developed firewall strategies that increased security

Established IP video conferencing solution between 5 locations to increase productivity and reduce travel expenses

Orchestrated the deployment of Windows 2000 and then XP for approx. 300 clients

Deployed server upgrades from NT 4 to Windows 2000

Automated processes using both scripting and programming to eliminate human intervention and reliance for increased system performance and reliability

Maintained AIX production system

Developed and Established computer usage policies for email and network security

Implemented Disaster Recovery plans with recent server imaging to network for real time backup and instant recovery, thus eliminating downtime

Performed successful Y2K remediation on all production systems

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