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OT Risk Assessor IEC62443

Posted 2 days ago by VIQU Ltd

My client is looking for a IEC 62443 OT Risk Assessor to audit IT/Engineering operation technology for a variety of clients to IEC62443. You will have experience in this area, along with experience of National critical infrasturcture with in the Utilities/Transport or Defence industry.

Duration: 12 months

Location: Remote - travel to customer sites

Inside IR35 - Security Clearance is required

Core Responsibilities

  • Conduct Risk Assessments: Execute initial high-level risk assessments (per IEC 62443-3-2) to identify worst-case unmitigated risks and detailed risk assessments where threats exceed tolerable levels.
  • Impact & Consequence Analysis: Evaluate the physical, safety, environmental, and financial impacts of a potential cyber disruption on critical industrial processes and plant operations.
  • Zone and Conduit Definition: Collaborate with engineering teams to segment networks into secure zones and conduits based on data flows and target Security Levels (SL-T).
  • Vulnerability & Gap Analysis: Review system architectures, existing countermeasures, network drawings, and asset inventories to locate security gaps.
  • Documentation & Remediation: Produce risk registers, security requirements specifications (CRS), and actionable, time-bound remediation roadmaps for stakeholders.

Key Requirements & Qualifications

  • Standard Knowledge: Deep familiarity with the IEC 62443 framework
  • OT/ICS Experience: Understanding of industrial network architectures, SCADA systems, and the Purdue Model.
  • Soft Skills: Ability to translate complex technical risks into clear business impacts for non-technical leadership.
Rate:
Not specified
Location:
Warrington
IR35 Status:
Inside
Remote Status:
Remote
Industry:
Cybersecurity
Seniority Level:
Not Specified

Take-Home Pay

Not Available

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