AI Engineer: Ground AI with RAG & Guardrails

T-Mobile; Frisco (TX); On-site; USD 110,000 - 199,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Flexible spending account

401(k)

Stock grants

Employee stock purchase plan

Paid time off

Paid holidays

Tuition assistance

Job summary

T-Mobile is hiring AI Engineers to build and scale responsible AI capabilities across enterprise platforms. You will design RAG-powered systems, fine-tune models, and orchestrate large language models to improve customer service automation with measurable impact.

You will collaborate with cross-functional teams to ensure seamless integration into business workflows and gain exposure to cutting-edge LLM tooling within a large, customer-focused organization.

Qualifications

• Bachelor's Degree plus 3 years of related work experience or advanced degree plus 1 year of related work experience.
• 2+ years developing and deploying machine learning models, including fine-tuning and prompt engineering.
• 2+ years experience with AI tools and software development using programming languages such as Python or R.
• 2+ years collaborating with cross-functional teams to integrate AI solutions into business workflows.
• Acceptable areas of study include Computer Science, Engineering, Artificial Intelligence, Data Science.

Responsibilities

• Design and implement retrieval-augmented generation (RAG) pipelines to ground AI responses in enterprise knowledge sources.
• Develop AI models to enhance customer service automation capabilities with measurable improvements
• Apply prompt engineering and fine-tuning techniques to optimize AI system performance effectively
• Create AI tools that support integration of AI-driven improvements into operational frameworks
• Collaborate with cross-functional teams to ensure effective integration and functionality of AI systems
• Design AI systems that improve interaction capabilities within complex service workflows
• Contribute to strategic AI initiatives that advance organizational goals of customer satisfaction and efficiency
• Also responsible for other duties/projects as assigned by business management as needed

Skills

Data Management

Data Modeling

RAG

Vector Databases

Embeddings

Prompt Engineering

Python

LLM Orchestration

Cloud Computing

Data Analysis

Model Tuning

Collaboration

Customer-Focused

Education

Bachelor's Degree

CS/Engineering/AI/Data Science

Tools

LangChain

ADK

Job description

T-Mobile is hiring AI Engineers to build and scale responsible AI capabilities across enterprise platforms. You will design RAG-powered systems, fine-tune models, and orchestrate large language models to improve customer service automation with measurable impact.

You will collaborate with cross-functional teams to ensure seamless integration into business workflows and gain exposure to cutting-edge LLM tooling within a large, customer-focused organization.