Senior Agentic AI Security Engineer - Hybrid (4 onsite days)

Harvey Nash Inc.; Chicago (IL); Hybrid; USD 160,000 - 180,000; Full time

Benefits offered by this job

Health Insurance

Paid Time Off

401k match

Job summary

Harvey Nash Inc. in Chicago, IL is seeking a Senior Agentic AI Security Engineer to design, build, and govern enterprise-scale intelligent automation systems centered on agentic AI.

The role spans deep technical work and executive advisory, translating AI capabilities into resilient, production-grade systems that meet rigorous security and compliance standards. The ideal candidate will have hands-on experience with LLM APIs, RAG, and multi-agent architectures, plus strong security,

Responsibilities

• Deep hands-on experience building and deploying agentic AI systems, including LLM APIs, RAG, prompt engineering, and multi-agent architectures
• Strong security mindset with expertise in AI threat modeling, prompt injection defense, zero-trust principles, and secure handling of model inputs/outputs
• Solid software engineering foundation (Python + compiled language) with experience in microservices, CI/CD, and infrastructure-as-code
• Ability to design resilient AI systems with strong observability, tracing, and understanding of non-deterministic failure modes
• Proven ability to operate cross-functionally and lead without authority across engineering, security, product, and operations
• Capable of translating complex technical concepts into clear roadmaps, architecture decisions, and executive-level communication

Job description

Harvey Nash Inc. in Chicago, IL is seeking a Senior Agentic AI Security Engineer to design, build, and govern enterprise-scale intelligent automation systems centered on agentic AI.

The role spans deep technical work and executive advisory, translating AI capabilities into resilient, production-grade systems that meet rigorous security and compliance standards. The ideal candidate will have hands-on experience with LLM APIs, RAG, and multi-agent architectures, plus strong security,