Software Engineer Senior- AI engineer

At PNC, our people are our greatest differentiator and competitive advantage in the markets we serve. We are all united in delivering the best experience for our customers. We work together each day to foster an inclusive workplace culture where all of our employees feel respected, valued and have an opportunity to contribute to the company's success.

As a Software Engineer Senior within PNC's Technology organization, you will be based in Houston, TX; Dallas, TX; Pittsburgh, PA; Cleveland, OH or Birmingham, AL.

PNC is seeking an AI Engineer with strong expertise in building and deploying LLM-powered, production-grade systems. This role requires end-to-end ownership across model development, optimization, and real-world integration. Core Skills & Expertise

LLM Fine-Tuning & Modeling: Hands-on experience with PEFT, LoRA/QLoRA, and instruction tuning; building domain-adapted models using curated datasets.

LLM Optimization & Prompting: Deep understanding of sampling strategies (temperature, top-k/top-p), prompt engineering, and techniques to improve accuracy, reduce hallucinations, and control outputs.

Production AI System Integration: Experience deploying LLMs into real-world environments, including RAG pipelines, API orchestration, agents, and multi-turn conversational systems integrated with enterprise data.

Model Serving & Performance Engineering: Proficiency with modern inference frameworks (vLLM, TGI, Triton), quantization (4/8-bit), and optimizing for latency, throughput, and scalability.

End-to-End ML Lifecycle Ownership: Proven ability to build and manage pipelines across training, deployment, monitoring, and evaluation, including regression tracking and performance metrics.

Agentic & Autonomous Systems: Experience designing AI agents and multi-agent workflows, balancing model reasoning with deterministic business logic.

Tech Stack & Foundations: Strong programming in Python, with frameworks like PyTorch/TensorFlow, and libraries such as HuggingFace Transformers.

Experience with vector databases, embeddings, and RAG architectures Familiarity with financial services data and regulated environments Knowledge of Responsible AI, governance, and model risk frameworks Focus on production-quality engineering, scalability, and cost optimization

- Provides detailed technical design and development of software solutions using existing and emerging technology platforms. - Proposes & designs software solutions to address complex business needs. - Writes code, tests and deploys software. - Prepares technical and procedural documentation required for software. - Maintains and debugs software.

- Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions. - Managing Risk - Assessing and effectively managing all of the risks associated with their business objectives and activities to ensure they adhere to and support PNC's Enterprise Risk Management Framework.

Preferred Skills Application Development, Business Management, Customer Solutions, Design, Group Problem Solving, Process Improvements, Release Management, Software Solutions, User Experience (UX) Design

Competencies Application Delivery Process, Application Design, Architecture, Application Development Tools, Application Testing, Packaged Application Integration, System Development Life Cycle, Technical Troubleshooting, Technical Writing/Documentation

Work Experience Roles at this level typically require a university / college degree, with 3+ years of relevant / direct industry experience. Certifications are often desired. In lieu of a degree, a comparable combination of education, job specific certification(s), and experience (including military service) may be considered.

Generally, this opening is expected to be posted for two business days from 07/15/2026, although it may be longer with business discretion.

To learn more about these and other programs, including benefits for full time and part-time employees, visit pncthrive.com .

If an accommodation is required to participate in the application process, please contact us via email at AccommodationRequest@pnc.com . Please include "accommodation request" in the subject line title and be sure to include your name, the job ID, and your preferred method of contact in the body of the email. Emails not related to accommodation requests will not receive responses.

Applicants may also call 877-968-7762 and say "Workday" for accommodation assistance. All information provided will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

At PNC we foster an inclusive and accessible workplace. We provide reasonable accommodations to employment applicants and qualified individuals with a disability who need an accommodation to perform the essential functions of their positions.