OT Risk Assessor IEC

Position: OT Risk Assessor IEC62443
My client is looking for a IEC 62443 OT Risk Assessor to audit IT/Engineering operation technology for a variety of clients to IEC
62443. 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)