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At Crusoe, the AI Security Engineer is central to ensuring the safety, integrity, and resilience of our rapidly evolving AI ecosystem. You will serve as the technical authority on securing Large Language Models (LLMs), AI-powered platforms, and the infrastructure that supports them—driving both strategy and execution for our next generation of secure AI systems.
Job Responsibility:
Act as the technical leader and SME on the practical security of our AI and LLM ecosystem
Define the long-term technical roadmap for AI security architecture and drive high-impact cross-functional initiatives
Lead the design and implementation of highly secure Generative AI solutions for security applications, focusing on architectural patterns like Retrieval-Augmented Generation (RAG)
Architect and implement custom, AI-powered security tooling that automates threat detection, vulnerability analysis, and data access control
Establish governance and processes for secure MLOps pipelines
Define standards for model versioning, deployment, and monitoring
Lead threat modeling exercises for novel AI systems
Apply advanced security and privacy best practices
Mentor senior engineers on secure development practices in the GenAI domain
Drive the entire lifecycle of critical AI security projects
Requirements:
3+ years of professional experience building and maintaining production systems
Strong Python programming skills and experience across the stack (backend/frontend)
Deep expertise in advanced Generative AI techniques, including implementing Retrieval-Augmented Generation (RAG), designing AI Agents and Multi-step Cognitive Processes (MCP), and building with workflow orchestration frameworks
Proven ability to own the entire model lifecycle by designing and managing robust MLOps pipelines
Experience with containerization (Docker), virtualization (VMs), and cloud platforms (AWS, GCP, Azure) is a plus
Experience in designing, implementing, and fine-tuning custom LLMs
Strong understanding of NLP fundamentals, transformer architectures, PyTorch/TensorFlow, and data structures
Strong curiosity about security, privacy, and threat modeling
Strong product sense for rapid iteration and refinement based on data
Collaborative mindset to work closely with engineers, product managers, and security analysts in a fast-paced environment
What we offer:
Restricted Stock Units in a fast growing, well-funded technology company
Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
Employer contributions to HSA accounts
Paid Parental Leave
Paid life insurance, short-term and long-term disability