OT Cybersecurity Engineer
Core
Secure industrial control systems and manufacturing floor devices including PLCs, historians, and MES across Rockwell/Allen-Bradley and Siemens platforms.
Role type
OT Cybersecurity Engineer
Builds
Segmented, defense-in-depth OT network architecture and incident response plans
Domain
Manufacturing / Industrial Control Systems (OT)
Required skills
OT/ICS security, controls engineering, industrial networking, Rockwell/Allen-Bradley, Siemens, IT/OT network segmentation, NIST SP 800-53, ISA/IEC 62443, industrial protocols (Modbus, EtherNet/IP, PROFINET), firewall and ACL policy management, OT monitoring systems, incident response planning
Preferred skills
CMMC compliance, advanced OT monitoring software (Claroty, Dragos, Nozomi), MQTT, Sparkplug, Kafka, OPCUA, DoD program support, CMMC Registered Practitioner (RP), CMMC Certified Professional (CCP), GICSP, CCNA, CompTIA Security+
Technologies
Rockwell/Allen-Bradley, Siemens, Modbus, EtherNet/IP, PROFINET, Claroty, Dragos, Nozomi, MQTT, Sparkplug, Kafka, OPCUA
Responsibilities
Design and enforce IT/OT network segmentation; secure Rockwell/Allen-Bradley and Siemens control systems; manage firewall and ACL policy aligned with NIST guidance; develop and enforce internal security standards for OT vendors; monitor OT network assets and industrial protocols for anomalous activity; lead NIST SP 800-53 assessment and POA&M; partner with external CMMC compliance partner; own specification and implementation of native OT monitoring systems; build security into new production lines and control system upgrades
Seniority
Mid-level, hands-on IC
