Staff Application Security Engineer

Publicis Groupe

📍 Chicago, IL, United States

Full-time other-general Posted June 27, 2026

Job Description

**Overview**

**How you’ll Make an Impact**

The Security Engineer plays a critical role in strengthening the security of Epsilon’s software applications by embedding security into the development lifecycle and advancing AI-enabled engineering practices. You will provide strategic oversight on secure coding, drive effective use of application security platforms, and leverage AI to scale security outcomes, accelerate delivery, and improve code quality across Product and Engineering teams. Rather than executing testing directly, you will guide teams in interpreting results, prioritizing remediation, and using AI responsibly, validating outputs and aligning them to Epsilon’s security standards.

Success in this role requires more than technical expertise. You will be a visible, confident security advocate who clearly articulates risk, provides actionable recommendations, and influences outcomes. Through strong relationships and effective communication, you will mak...