Senior AI Security Engineer

The senior technical owner of security for OneStream's internal AI environment, reporting to the AI Security Architect and Manager. The engineer sets the review standard for enterprise AI assistants, agents, connectors and MCP integrations and approves them, builds and runs an AI detection and response capability for prompt injection, tool abuse and exfiltration, threat-models internal AI uses, leads AI-related incidents, and brings AI automation into security operations.

It asks for six years in security engineering, operations or application security, one to two years securing or building LLM systems, knowledge of OWASP's LLM Top 10, MITRE ATLAS and NIST AI RMF, vendor risk and detection engineering experience, and Python.