Principal AI Architect

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.AT&T is ushering in a new era of intelligent automation and secure AI innovation. We are seeking a visionary Principal AI Architect to lead the design, development, and deployment of advanced AI systems that integrate large language models (LLMs), prompt engineering, full-stack development, and AI cybersecurity. This role is ideal for a seasoned technologist with deep expertise in Python, AI agent orchestration, and secure enterprise-grade deployments.You will architect context-rich AI solutions, build scalable applications, and ensure the security and ethical integrity of AI systems. Your work will directly impact how AT&T leverages autonomous agents, Retrieval-Augmented Generation (RAG), and emerging technologies to transform operations and deliver intelligent digital servicesWhat You'll Do:AI Engineering & Automation* Architect and implement intelligent automation workflows using LLMs, prompt engineering, and dynamic context management.* Design and optimize prompts for precision and contextual relevance across diverse use cases.* Build and orchestrate multi-agent systems using frameworks like LangGraph.* Integrate LLMs into scalable Python applications using APIs and custom pipelines.* Develop and maintain robust backend services and optional front-end interfaces for end-to-end AI applications.Full Stack Development* Lead the development of scalable web applications using Python (FastAPI, Flask, Django) and React.js.* Architect RESTful APIs and integrate third-party services.* Drive best practices in coding, testing, and application architecture.* Mentor junior developers and lead code reviews to ensure technical excellence.AI Security & Governance* Design and implement security protocols to protect AI systems from emerging cyber threats.* Conduct adversarial testing, vulnerability assessments, and compliance audits.* Develop secure coding standards and guide teams on responsible AI deployment.* Research and apply industry standards (e.g., NIST AI-RMF, ISO42001, OWASP Top 10 for LLMs) to safeguard AI systems.What You'll Need:* Bachelor's or Master's degree in Computer Science, Engineering, AI/ML, Cybersecurity, or related field preferred.* 7+ years of professional experience in full-stack development and AI engineering.* Proven expertise in Python development and modern front-end frameworks (React.js, TypeScript).* Deep experience with LLMs (OpenAI, Anthropic, open-source), prompt engineering, and context management.* Hands-on experience with RAG pipelines, vector search, and multi-agent orchestration.* Strong understanding of cloud infrastructure (AWS, Azure, GCP), containerization (Docker), and CI/CD practices.* Demonstrated experience in AI security, including adversarial testing and secure deployment.* Excellent problem-solving, communication, and leadership skills.AT&T will not hire any applicants for this position who require employer sponsorship now or in the future.Supervisor:NoOur Principal Cybersecurity AI Architect, earns between$141,300-$211,900 USD Annual, Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.Joining our team comes with amazing perks and benefits:* Medical/Dental/Vision coverage* 401(k) plan* Tuition reimbursement program* Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)* Paid Parental Leave* Paid Caregiver Leave* Additional sick leave beyond what state and local law require may be available but is unprotected* Adoption Reimbursement* Disability Benefits (short term and long term)* Life and Accidental Death Insurance* Supplemental benefit programs: critical illness/accident hospital indemnity/group legal* Employee Assistance Programs (EAP)* Extensive employee wellness programs* Employee discounts up to 50% off on eligible AT&T mobility plans and accessories,* AT&T internet (and fiber where available) and AT&T phone.When you step into a career with AT&T, you won't just imagine the future-you'll create it. Ready to join our team? Apply todayWeekly Hours:40Time Type:RegularLocation:Atlanta, Georgia, Charlotte, North Carolina, Dallas, Texas, Middletown, New JerseySalary Range:$141,300.00 - $237,400.00It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.Job ID R-86092 Date posted 03/19/2026Apply now Save role