Senior AI Security Engineer — Secure AI Products & Apps

Security Engineer, Application - Greenhouse

Sydney

On-site

AUD 180,000 - 240,000

Full time

3 days ago

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Job summary

Firmus Technologies in Australia is seeking a Senior AI Security Engineer within the AI & Applications team to enable secure design, development, release, and operation of AI products and applications.

You will work with AI engineers, application engineers, product managers, and DevOps to embed practical security controls into workflows, model-serving APIs, and enterprise data integrations while balancing innovation and risk.

Qualifications

Role focuses on secure-by-design architectures for AI-powered products and services.
Collaborates with AI product, application, and engineering teams, product managers, and DevOps.
Balance security requirements with rapid AI innovation and regulatory/compliance needs.

Responsibilities

Partner with AI product, application, and engineering teams from discovery through production to define secure-by-design architectures for AI-powered products and services.
Threat-model LLM-enabled and agentic workflows, including direct and indirect prompt injection, data exfiltration, unsafe tool use, excessive agent permissions, cross-tenant access, model abuse, and unintended autonomous actions.
Design secure patterns for agent identity, delegated authorization, scoped credentials, tool allowlists, approval gates, action validation, execution sandboxing, rollback, and auditability.
Secure RAG and enterprise-knowledge workflows, including document ingestion, indexing, retrieval permissions, metadata filtering.