Mark Tackman Email & Phone Number

Mckinney, Texas, United States

Owner and Operator of Grounds Guys of McKinney and Celina (and surrounding area). Currently Hiring motivated employees that want to build a career and future with a small business owner

Plano, Texas, United States

Experienced IT Professional managing several projects and platforms for AT&T as the client. Strong analytical and leadership skills experienced in multiple Development Life Cycle Methodologies and Waterfall, Agile and SAFe Project Management. Drive defect resolution while effectively planning, coordinating, and meeting deadlines of multiple projects, with.

Plano, Texas, United States

Provisioning and Service Assurance Test Lead. Testing all systems, network elements and processes to ensure they are working in production environment. Collaborate with clients, network operations system matter experts, project managers and testers to meet clients code requests. Also manage defects and drive resolutions.

Plano, Texas, United States

Managed the certification of new or enhanced software code for client requests. These enhancements drive the efficiency and/or profitability associated with AT&T Business product offerings. Oversaw quality and audit compliance of code in multiple test environments up to and including the customer production environment for AT&T. Success achieved using.

Plano, Texas, United States

Supported development of First Responders Network (FirstNet) for end-to-end testing in pre-production and the Production Validation Testing in the Production Environment to deliver code as requested by governance board. Ensured all code went to market on time to meet deadlines set by government agencies, ultimately saving AT&T millions of dollars in.

Plano, Texas, United States

Create escalations to support defect issues found in the production environment to drive defects to timely resolutions, which ultimately saved clients money and time to delivery.

Irving, Texas, United States

Managed the layout, loading, interrogation and technical support of translations for the entire AT&T wireless network and platforms including: MSC, BSC, RNC, Cell site and Node b translations. Implemented the most complex translation commands on the latest 2G, 3G, 4G platforms. In keeping the network up to date with these Gold Standards, ultimately.

Allen, Texas, United States

Provided platform support in the AT&T National Data Centers. Managed and supervised vendors while performing Quality Control on all installations to ensure compliance with TP76300. Provided on-site support of platforms such as Phone Zones, Calico Zones, HLR/HSS, STP’s, JDSU, DACS and various other platforms used for AT&T mobility and legacy environments.

Dallas-Fort Worth Metroplex

Maintained Lucent, Ericsson, Spacial, Alcatel, and Nortel Cellular Switches and all related equipment. Performed troubleshooting and repairs with transport and connectivity from switches to cell sites, as well as troubleshooting card failures within the switches. Proven expert with Redundancy and Reliability required in AT&T’s systems designs for NTC’s.

Dallas-Fort Worth Metroplex

Maintained and repaired the paging network in the North Texas region for PageNet. Installed and maintained the first 2-Way paging Network for PageNet working closely with Motorola Engineers and the development team.Corporate Project Manager supporting RF Field Managers and Lead Technicians to coordinate, define and meet deadlines for Corporate projects.

Allen, Texas, United States

Installed, tested and maintainted Wireless Local Loop (WLL) system from switch to base station, and onto customer premise units. Supported and monitored Engineering and Field Trials of WLL systems. Performed site surveys with drive testing, site walks and aerial line sweeps in several markets to ensure optimal performance for high speed internet over point.

East Coast

Maintained and repaired various RF Communications Systems from handset to antenna, Microwave systems, Radar and Air Navigation systems on ship and shore duty commands.Worked TAD for Master at Arms, as well as on the Ships Self Defense Force doing tactical operations for Security Readiness on land or while at sea.