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OT Cyber Security Specialist

Remote, USA Full-time Posted 2026-06-06

Title: : OT Cyber Security Specialist Location: REMOTE Duration: 06+ months Position Summary Job Description: Design and define secure OT architectures aligned to business, safety, and operational constraints across industrial environments, leveraging an OT strategic roadmap and cybersecurity vision. Core Responsibilities

  • Ability to lead design strategy and OT architecture across large groups and initiatives
  • Solid communications
  • Ability to define, bridge, and communicate the direction of OT target-state cybersecurity architectures
  • Partner w/Cyber teams to align OT architecture strategy with overall cyber roadmap
  • Act as the main resource lead for OT Security Analyst support
  • Design strategy for visibility, secure remote access, segmentation, zoning, and conduit models per IEC 62443, NIST SP 800-82r3
  • Develop and publish secure reference architectures for:

o Manufacturing sites o Remote access o Other as needed related to OT security

  • Support, evaluate, select, and implement OT security technologies (visibility, SRA, endpoint protection, segmentation, monitoring, vulnerability, identity, data security, etc.)
  • Lead OT cybersecurity design reviews and technical security requirements
  • Provide OT architectural guidance to:

o Engineering teams o System integrators o IT, MFG-IT teams o Cybersecurity teams

  • Translate cybersecurity requirements into implementable designs aligned with the OT cybersecurity strategy
  • Support M&A or greenfield OT security architectures across domestic/international MFG discussions and projects
  • Participating in and support OT tabletop exercises as needed
  • Align OT security architecture to controls from IEC 62443, NIST SP800-82r3, CISv8, NIST CSF.
  • Communicate and share updates with leadership

Required Skills & Experience

  • 7–12+ years in Networking with OT/ICS environments
  • Strong architecture experience across:

o Industrial networks o OT DMZ design o Secure remote access o OT monitoring platforms o Networking – Routing & Switching concepts o Network & security architecture design o Segmentation

  • Deep knowledge of:

o IEC 62443, NIST SP800-82r3, NIST CSF, CISv8 o Purdue Model / OSI / TCPIP Model o Zero Trust concepts applied to OT

  • Ability to balance:

o Workload o Safety o Availability o Security Preferred Certifications

  • IEC 62443 Cybersecurity Expert
  • CISSP
  • SANS OT Certifications
  • CCNP / CCIE / CCDE (Industrial & security focus)
  • Industry Architectural Frameworks

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