This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. Join AT&T and reimagine the communications and technologies that connect the world. Our Chief Security Office ensures that our assets are safeguarded through truthful transparency, enforce accountability and master cybersecurity to stay ahead of threats. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won't just imagine the future-you'll create it. The Tactical Architecture Group (TAG) is a group of lead network security architects and strategists within the ACC Enterprise Security Architecture organization. Work efforts include ideation, testing, proof of concept and support for various firewall /security projects. The team analyzes various hardware and/or software solutions and configuration options, recommending and identifying modifications to improve ACC's threat posture/risk. Additionally, the TAG team plays a lead role in transforming the legacy "Conexus" network into a modernized segmented network, providing roadmaps, direction, guidance and consultation to engineering and operations teams. This position will work with our partner organizations in Labs, ITO Network, and GTO to develop and realize strategies to achieve the target state architecture. The scope will impact all employees of the company and all business units.