Software Engineer Senior-Ai Engineer

PNC Financial Services Group, Inc.; Pittsburgh, Northern (Allegheny County, KY); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health insurance

401(k) with company match

Paid time off and holidays

Job summary

PNC Financial Services Group, Inc. is seeking a Software Engineer Senior - AI Engineer to own end-to-end AI system development for production use. You will work on LLM fine-tuning, optimization, and real-world integration across RAG pipelines and enterprise data.

Based in Dallas, TX or Pittsburgh, PA, you will deploy models with PEFT/LoRA techniques, optimize latency, and ensure governance and risk compliance in a regulated financial environment.

Qualifications

• Bachelors degree or equivalent with 3+ years of relevant experience.
• Strong programming in Python with ML/AI systems experience.
• Hands-on experience with LLMs, PEFT/LoRA, and instruction tuning.
• Experience deploying LLMs in production including RAG pipelines.

Responsibilities

• Provide detailed technical design and development of software solutions.
• Propose and design software solutions to address complex business needs.
• Write, test and deploy software and maintain documentation.
• Own end-to-end ML lifecycle from training to deployment and monitoring.

Skills

Python

LLM Engineering

PEFT LoRA QLoRA

RAG pipelines

Vector databases

HuggingFace Transformers

PyTorch

Model deployment

Production AI systems

Education

Bachelor's

Tools

PyTorch

TensorFlow

vLLM/TGI/Triton

Job description

## Software Engineer Senior-Ai EngineerApplylocations: PA - Pittsburgh (15222): Dallas Innovation Center - Luna Rd (TX270)time type: Full timeposted on: Posted Todaytime left to apply: End Date: August 19, 2026 (4 days left to apply)job requisition id: R224390# **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 optimizationPNC 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## **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.## **Education**Bachelors## **Certifications**No Required Certification(s)## **Licenses**No Required License(s)# **Benefits**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, visit pncthrive.com.