vulcanelements · Research Triangle Park, NC
Vulcan Elements is manufacturing American rare-earth permanent magnets for a secure, resilient future. With a focus on national security and economic resiliency, we serve critical industries such as defense, aerospace, and automotive powering a high-technology future. Vulcan Elements is building a team of ambitious professionals committed to Mission Focus, Technical Excellence and Integrity. As an OT Cybersecurity Engineer, you will secure the industrial control systems and manufacturing floor devices that keep Vulcan Elements running, including PLCs, historians, and MES across Rockwell/Allen-Bradley, Siemens, and other platforms as our environment grows. You will design and enforce IT/OT network segmentation, protect OT assets, and lead the OT side of our NIST SP 800-53 (Low-Impact Baseline) assessment and Plan of Action and Milestones (POA&M). This role works closely with our Automation and Engineering teams and requires a strong safety-first mindset alongside deep security expertise. Responsibilities Work with the OT Automation group to align on a segmented, defense-in-depth architecture for the OT environment, including PLCs, HMIs, historians, MES, engineering workstations, and virtualized systems. S ecure Rockwell/Allen-Bradley and Siemens control systems, and support additional ICS/SCADA platforms as the manufacturing environment expands. Ensure sufficient IT/OT boundary controls and zone/conduit segmentation, and manage firewall and ACL policy aligned with NIST guidance and industry frameworks such as ISA/IEC 62443. Develop, own, align, and enforce internal security standards to be used by manufacturing equipment/OT vendors as the expected contractual handover requirements for anything in the internal OT environment. Monitor OT network asset list and industrial protocols (Modbus, EtherNet/IP, PROFINET, and others as adopted) for anomalous activity, staying vendor- and protocol-agnostic as new platforms are added. Lead the assessment of OT-relevant controls ag…
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