AI Security Engineer - Secure AI at Scale (Hybrid)

Janus Henderson Group; Denver, Northern (CO, KY); Hybrid; USD 145,000 - 190,000; Full time

Benefits offered by this job

Hybrid working

Health and wellbeing benefits

Volunteer time

Professional development

Parental leave

Job summary

Janus Henderson Group in Denver, CO seeks a hands-on security engineer focused on AI security. You will secure Nexus, Accio, the model gateway, and Copilot services, balancing risk with velocity while aligning with Infosec and AI Technology roadmaps.

You will define AI security standards, run threat modelling, and implement guardrails across enterprise AI platforms, ensuring secure-by-design practices and measurable risk reduction.

Qualifications

• Strong cybersecurity experience across security engineering and AI platforms.
• Hands-on experience securing GenAI, LLM, and AI-enabled solutions.
• Proven ability to lead threat modelling and architecture reviews.
• Knowledge of STRIDE, PASTA, MITRE ATT&CK/ATLAS and secure design patterns.

Responsibilities

• Secure the AI estate by design, setting guardrails and secure patterns.
• Design and implement AI security standards and governance controls.
• Run AI security testing, detections, and incident response planning.
• Scale security across AI models, gateways, and Copilot integrations.

Skills

Cybersecurity engineering

GenAI security

Threat modelling

AI security standards

Cloud security

Tools

Azure

CI/CD security

Job description

Janus Henderson Group in Denver, CO seeks a hands-on security engineer focused on AI security. You will secure Nexus, Accio, the model gateway, and Copilot services, balancing risk with velocity while aligning with Infosec and AI Technology roadmaps.

You will define AI security standards, run threat modelling, and implement guardrails across enterprise AI platforms, ensuring secure-by-design practices and measurable risk reduction.