Gen AI Engineering and Scaled AI Transformation

Citigroup Inc.
Full-time mississauga, on Other-General
Posted:
June 15, 2026
Location:
mississauga, on, Canada

Job Description

Role Focus:

Generative AI Engineering and Scaled AI Transformation for Source to Pay technology group - Hybrid

1. Large Language Model (LLM) Strategy & Technical Authority

Acts as a

senior technical authority

on Large Language Models, including both

commercial and open‑source ecosystems

(OpenAI, Gemini, Claude, Llama).

Leads

model selection and deployment strategy , balancing use‑case fit, data sensitivity, cost efficiency, latency, accuracy, and regulatory constraints.

Guides decisions on

hosted vs. private vs. fine‑tuned models , ensuring optimal trade‑offs between performance, control, and operational risk.

Establishes

enterprise standards for LLM lifecycle management , including upgrades, regression validation, and decommissioning.

2. Hands‑On GenAI Application & Agentic System Design

Demonstrates

hands‑on leadership

in building Ge...

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Job Overview

Job Type: Full-time
Location: mississauga, Canada
Posted: June 15, 2026
Deadline: July 25, 2026