Software Engineer Senior-Ai Engineer

PNC; Pittsburgh (Allegheny County); On-site; USD 130,000 - 210,000; Full time

Job summary

PNC is seeking an AI Engineer in the Technology organization, to be based in Dallas, TX or Pittsburgh, PA. This role focuses on building and deploying LLM-powered, production-grade systems with end-to-end ownership across model development, optimization, and real-world integration.

You will work with PEFT, LoRA, prompt engineering, RAG pipelines, and modern inference frameworks, ensuring scalable, cost-optimized solutions for financial data.

Qualifications

• Hands-on PEFT/LoRA/QLoRA and instruction tuning for domain-adapted models.
• Experience deploying LLMs in real-world environments with RAG pipelines and API orchestration.
• Proficiency with inference frameworks (vLLM/TGI/Triton) and 4/8-bit quantization.
• Experience with vector databases, embeddings, and RAG architectures; knowledge of regulated financial data.

Responsibilities

• Design and develop software solutions using current and emerging technology platforms.
• Propose and design software to address complex business needs.
• Write code, test, and deploy software.
• Prepare technical and procedural documentation for software.
• Maintain and debug software.

Skills

LLM Fine-Tuning

Prompting

Production AI Systems

Model Serving

ML Lifecycle

Agentic Systems

Python

PyTorch/TensorFlow

HuggingFace

Vector Databases

Education

University degree

Tools

PEFT/LoRA

vLLM/TGI/Triton

Quantization 4/8-bit

RAG pipelines

API orchestration

HuggingFace Transformers

Job description

Pittsburgh, Pennsylvania, United States · Dallas, Texas, United States

Aug 14, 2026

Position Overview

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 Dallas, TX or Pittsburgh, PA.

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

PNC is an in-office company that fosters a supportive culture where employees can thrive and achieve balance. We encourage candidates to connect with their recruiter and hiring manager to understand workplace expectations and ensure the role aligns with their goals.

PNC will not provide sponsorship for employment visas or participate in STEM OPT for this position.

Job Description

• 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.

PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be:

• 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.

Qualifications

Successful candidates must demonstrate appropriate knowledge, skills, and abilities for a role. Listed below are skills, competencies, work experience, education, and required certifications/licensures needed to be successful in this position.

Preferred Skills

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

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.

Education

Certifications

No Required Certification(s)

Licenses

No Required License(s)

PNC offers a comprehensive range of benefits to help meet your needs now and in the future. Depending on your eligibility, options for full-time employees include: medical/prescription drug coverage (with a Health Savings Account feature), dental and vision options; employee and spouse/child life insurance; short and long-term disability protection; 401(k) with PNC match, pension and stock purchase plans; dependent care reimbursement account; back-up child/elder care; adoption, surrogacy, and doula reimbursement; educational assistance, including select programs fully paid; a robust wellness program with financial incentives.

In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service.

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

Disability Accommodations Statement

If an accommodation is required to participate in the application process, please contact us via email at [e-mail] . 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.

Equal Employment Opportunity (EEO)

PNC provides equal employment opportunity to qualified persons regardless of race, color, sex, religion, national origin, age, sexual orientation, gender identity, disability, veteran status, or other categories protected by law.

This position is subject to the requirements of Section 19 of the Federal Deposit Insurance Act (FDIA) and, for any registered role, the Secure and Fair Enforcement for Mortgage Licensing Act of 2008 (SAFE Act) and/or the Financial Industry Regulatory Authority (FINRA), which prohibit the hiring of individuals with certain criminal history.

PNC is a financial services company dedicated to simplifying banking and investment solutions, enabling customers to achieve their financial goals while enjoying life.