Principal AI Architect

Principal AI Architect Join to apply for the Principal AI Architect role at AT&T. 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. What 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. Benefits Medical/Dental/Vision coverage 401(k) plan Tuition reimbursement program Paid Time Off and Holidays (at least 23 days of vacation each year and 9 company‑designated holidays) Paid Parental Leave Paid Caregiver Leave Additional sick leave beyond state and local law 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 Weekly Hours: 40 Time Type: Regular Location: Charlotte, North Carolina Salary Range: $141,300.00 - $237,400.00 It 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. #J-18808-Ljbffr