This position requires office presence of a minimum of 5 days per week and is only located at customer's site. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission. Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video and collaboration services for the full spectrum of operations. AT&T has an opening for a Network Upgrade Engineer to support the Network Operations Team in providing timely network vulnerability remediation.