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OT Cybersecurity Engineer

Vulcan Elements
North Carolina, USA
Full-time
Mid · 3+ years experience
Onsite
Discovered 1 months ago
Rockwell/Allen-BradleyControlLogixFactoryTalkSiemensS7TIA Portal

Full Job Posting

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 against the NIST SP 800-53 Low-Impact Baseline, contribute to the System Security Plan (SSP), and help build and close out the Plan of Action and Milestones (POA&M).
  • Partner with our external CMMC compliance partner and IT security team to keep OT controls consistent with our NIST SP 800-171/CMMC Level 2 program.
  • Own the specification and implementation of native OT monitoring systems and the development of Incident Response Plans.
  • Partner with Automation, Engineering, and IT teams to build security into new production lines and control system upgrades from the start.
  • Responsibilities and tasks outlined are not exhaustive and may change as determined by the needs of the business.

Qualifications

  • 3+ years of experience in OT/ICS security, controls engineering, or industrial networking, ideally in manufacturing, defense, or critical infrastructure.
  • Hands-on experience with Rockwell/Allen-Bradley (ControlLogix, FactoryTalk) and/or Siemens (S7, TIA Portal, WinCC) required; comfort working across other ICS/SCADA platforms and industrial protocols and the associated industrial switch technology (Modbus, EtherNet/IP, PROFINET) as the environment grows.
  • Working knowledge of ISA/IEC 62443, NIST SP 800-82, and NIST SP 800-53; experience contributing to an SSP or POA&M for OT systems is a strong plus. Must be a U.S. Person due to required access to U.S. export-controlled information or facilities.

Preferred Qualifications

  • Experience being the point of contact with integrators/OEMs for cybersecurity as contracts are executed and commissioning/implementation is happening
  • Worked with advanced monitoring software and hardware products made for OT environments such as Claroty, Dragos, Nozomi
  • Experience or knowledge of MQTT, Sparkplug, Kafka, OPCUA
  • Prior experience supporting DoD programs, federal contractors, or CUI/export-controlled (ITAR/EAR) environments.
  • Ability to work on the manufacturing floor, including around industrial equipment, and to lift up to 50 lbs as needed.
  • CMMC Registered Practitioner (RP), CMMC Certified Professional (CCP), GICSP, CCNA, an ISA/IEC 62443 certificate, or CompTIA Security+.

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