OT Cybersecurity Consultant (Contract) Secure machinery that was never designed to be connected, without disrupting production. What you'll do • Perform OT asset inventories, risk assessments and gap analyses against IEC 62443 and NIST CSF • Design zero-trust and zone/conduit architectures, DMZs and firewall rule sets between IT and OT • Implement secure remote access for vendors and engineers • Deploy and tune OT monitoring tools for threat detection • Write incident response playbooks and train plant staff Requirements • 5+ years in cybersecurity, 3+ focused on ICS/OT • Experience with OT security platforms (e.g., Claroty, Nozomi Networks, Dragos, Armis) • Firewall configuration experience (Palo Alto, Fortinet, Cisco) • Working knowledge of industrial protocols and safe testing practices on live systems Nice to have: GICSP, GRID, ISA/IEC 62443 certification, CISSP; ability to obtain a security clearance for defense-sector clients.