About TEGNA TEGNA Inc. (NYSE: TGNA) helps people thrive in their local communities by providing the trusted local news and services that matter most. S.

markets, TEGNA reaches more than 100 million people monthly across the web, mobile apps, streaming, and linear television. Together, we are building a sustainable future for local news. We are seeking an AI Engineer to design, develop, and deploy scalable LLM-powered solutions leveraging AWS cloud services, Snowflake, and modern GenAI frameworks.

This role focuses on building production-grade AI systems, optimizing LLM inference, and integrating enterprise data platforms with cutting-edge AI technologies.

Key Responsibilities

AI Generative AI Development Design, develop, and deploy LLM-powered applications and agentic AI systems in production environments. Implement advanced prompt engineering strategies including: Prompt chaining and multi-turn orchestration Few-shot learning and in-context learning Chain-of-Thought (CoT) and Tree-of-Thought (ToT) prompting Function calling and tool use optimization Structured output generation (JSON, XML schemas) Build and optimize Retrieval-Augmented Generation (RAG) systems integrating Snowflake data with LLMs. Evaluate and fine-tune foundation models via AWS Bedrock or other managed AI services.

Develop guardrails for AI systems including hallucination mitigation, grounding, and safety controls. Implement LLMOps best practices for model lifecycle management: Model versioning, deployment, and rollback strategies Prompt versioning and experimentation frameworks Monitor and observe LLM application performance using observability tools. Evaluation frameworks for LLM outputs Cloud Platform Engineering (AWS) Architect scalable AI solutions using AWS services such as: Bedrock - Sagemaker – Access and fine-tune foundation models Lambda – Serverless LLM application deployment EC2 – GPU-accelerated inference and batch processing Step Functions – Orchestrate complex LLM workflows and agentic pipelines CloudWatch – Monitoring, logging, and alerting for AI systems AI Application Development Build APIs and backend services to operationalize AI solutions.

Integrate LLM/AI systems into internal applications, sales tools, or analytics platforms. Implement streaming and real-time inference for low-latency AI applications. Collaborate with stakeholders to translate use cases into production AI systems.

Required Qualifications

5+ years of experience in AI/ML, Software or Data engineering. Proficiency in Python with solid understanding of ML fundamentals Strong hands-on experience with AWS, APIs and microservices architecture Experience integrating AI solutions with data systems like Snowflake. , LangChain, LlamaIndex, Semantic Kernel, or similar Experience with agentic frameworks (AutoGen, CrewAI, or equivalent).

Preferred Qualifications

Experience building RAG pipelines in enterprise environments. Knowledge of MLOps best practices. Experience with vector databases and embeddings.

, LLM eval metrics). Experience implementing AI governance and responsible AI practices. Background in sales, media, marketing analytics, or enterprise data platforms (a plus).

Benefits

: TEGNA offers comprehensive

designed to safeguard the physical, mental and financial health of our employees and their families. TEGNA offers two medical plan options for full and part-time employees through Blue Cross Blue Shield of Texas, as well as access to dental and eye care coverage; fertility, surrogacy and adoption assistance; disability and life insurance.