Marvin Williams

Experience

• 

  Cingular Wireless

  Mar 2001 - Oct 2005

  Communications Specialist II

  • Responsible for monitoring and responding to complex hardware and software problems. • Assisted in troubleshooting while coordinating with various IT groups for problem resolutions in a timely manner. • A Subject Matter Expert (SME) in the respective technical or functional area. • Worked with other teams/departments to implement new procedures that will enable our techs to maintain the currency that is needed in the IT field. • Duties also include 24 hour on call duty when assigned Show less

• 

  AT&T

  Oct 2005 - Aug 2019

  • Support AT&T Testing Agency Module7• Coordinate conference calls with groups associated with testing activities by releases, projects, and applications• Planning• Creating testing matrix as well as test cases• ABS E2E/UAT/PVT Testing• Documentation updates• Sending ATT-XML files for billing cycles• ECR validation• Meeting coordination• Status reporting• Creating fans, accounts and submitting usage• Regression testing and functionality• Create test packages• Create test plans• Map RTM with high level scenarios• Create review records and approvals• Create summary reports• Load documents in Prism• IDRS matrix • Project managment• Burndown defect call coordination• Defect management• Business Solutions Metrics• Project leadership reporting• IT Readiness• Release management• Team management• Sim allocation• MS Office• SME• Apply SAFe to scale Lean and Agile development in the enterprise• Apply Lean-Agile Mindset and principles• Plan and successfully execute Program Increments• Execute and release value through Agile Release Trains• Build an Agile portfolio with Lean-Agile budgeting Show less • Managed billing cycles, billing issues and billing job failures produced by the TLG Billing system to ensure the timely and accurate processing of all billing cycles based on departmental standards and guidelines. • Activities include application processing, troubleshooting, problem resolution, root cause analysis, quantification, reject processing, issue tracking, status reporting, and verification that application processing complies with company standards. • Developed or assist with development of scripts for resolutions, automation, new tools, etc. Provided on call support 24/7 for Billing Production Support issues while working directly with Market Services, Telco's contacts and other IT teams to fix, explain, investigate rejects and determine corrective actions. • Prepared and maintain documentation, including architectural design, flowcharts, procedures, training material, project plans, etc.• Recreated and sent bills to olam03/19/2001-10/15/2005 Cingular Wireless-Dallas, Texas Communications Specialist II• Responsible for monitoring and responding to complex hardware and software problems. • Assisted in troubleshooting while coordinating with various IT groups for problem resolutions in a timely manner. • A Subject Matter Expert (SME) in the respective technical or functional area. • Worked with other teams/departments to implement new procedures that will enable our techs to maintain the currency that is needed in the IT field. • Duties also include 24 hour on call duty when assigned Show less

  • Sr. Specialist - System Engineer & SAFe Agilist Certified

    May 2007 - Aug 2019

  • Billing Production Analyst

    Oct 2005 - May 2007
• 

  IBM

  Sept 2019 - now

  System Engineer & SAFe Agilist Certified

  • Support AT&T Testing Agency Module• Coordinate conference calls with groups associated with testing activities by releases, projects, and applications• Planning• Creating testing matrix as well as test cases• ABS E2E/UAT/PVT Testing• Documentation updates• Sending ATT-XML files for billing cycles• ECR validation• Meeting coordination• Status reporting• Creating fans, accounts and submitting usage• Regression testing and functionality• Create test packages• Create test plans• Map RTM with high level scenarios• Create review records and approvals• Create summary reports• Load documents in Prism• IDRS matrix • Project managment• Burndown defect call coordination• Defect management• Business Solutions Metrics• Project leadership reporting• IT Readiness• Release management• Team management• Sim allocation• MS Office• SME• Apply SAFe to scale Lean and Agile development in the enterprise• Apply Lean-Agile Mindset and principles• Plan and successfully execute Program Increments• Execute and release value through Agile Release Trains• Build an Agile portfolio with Lean-Agile budgeting Show less