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 (phone number removed)-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 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.
For further information please can you send your CV in the first instance ot or call (phone number removed)
