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.

For further information please can you send your CV in the first instance ot or call .

JBRP1_UKTJ

📌 OT Risk Assessor (Cheste)
🏢 VIQU IT Recruitment
📍 Cheste