Security Engineer, OT

Description: Join Fluidstack to secure the frontier of AI by building a comprehensive security program for operational technology (OT) systems. Work on critical infrastructure that supports the most consequential technology in human history, ensuring the security of model weights and operational deployments. Requirements: Experience securing substations, SCADA, or controls systems in production environments. Proficiency in threat modeling OT environments and implementing effective segmentation and controls. Familiarity with the Purdue Model and its application in virtualized and software-defined OT. Hands-on experience with OT security tools (e.g., Claroty, Nozomi, Dragos). Knowledge of BMS, EPMS, and cooling systems to collaborate effectively with engineering teams. Ability to influence security practices in engineering teams through consultation and design review. Bonus: Knowledge of NERC CIP or IEC 62443 standards and experience with commissioning-phase security work. Benefits: Opportunity to work in a fast-paced, innovative environment focused on impactful technology. Full autonomy and ownership of projects, with a culture that values urgency and first-principles reasoning.