OT Security Consultant

Tria; Wytham; Hybrid; GBP 80,000 - 100,000; Part time

Job summary

A leading UK organisation is seeking an experienced OT Cyber Security Specialist to define and implement their OT Security Strategy. You will develop governance frameworks and work closely with engineering teams to ensure robust security controls in a regulated environment. Essential qualifications include expertise in OT security, familiarity with relevant frameworks, and SC clearance. The role offers competitive compensation at £450 - £470 per day for a 6-month contract.

Qualifications

• Proven expertise in Operational Technology (OT) security within ICS or critical infrastructure environments.
• Strong knowledge of OT security frameworks - IEC 62443, NIST CSF, CAF, ISO 27001.
• Must be SC Cleared.

Responsibilities

• Define and implement the OT Security Strategy for the organization.
• Develop governance frameworks and introduce security controls across OT environments.
• Work closely with engineering teams and third-party providers.

Skills

Operational Technology (OT) security

Defining and implementing OT security strategies

Knowledge of IT security frameworks

Conducting OT risk assessments

Familiarity with OT networks and protocols

Job description

OT Cyber Security Specialist

£450 - £470/day Outside IR35

6 month contract

Oxford - 1 day per week on-site

We have an exciting opportunity to join a leading UK organisation operating in the critical infrastructure sector. As part of a greenfield initiative, they are building out their OT security capability and require an experienced Information Security Consultant to lead and shape this journey.

This role is pivotal in defining and implementing the OT Security Strategy, developing governance frameworks, and introducing robust security controls across OT environments. You’ll be working closely with engineering teams and third‑party providers to ensure alignment with industry standards and enterprise cyber objectives.

You’ll be involved in both strategic and hands‑on activities, including policy creation, risk assessments, and technical oversight. The organisation operates in a highly regulated environment, so experience with frameworks such as IEC 62443, NIST CSF, CAF, and ISO 27001 is essential.

Qualifications

• Proven expertise in Operational Technology (OT) security within ICS or critical infrastructure environments
• Ability to define and implement OT security strategies, policies, and standards
• Strong knowledge of OT security frameworks - IEC 62443, NIST CSF, CAF, ISO 27001
• Experience conducting OT risk assessments, gap analysis, and remediation planning
• Familiarity with OT networks, segmentation, and industrial protocols
• Experience working with engineering teams and MSPs
• Must be SC Cleared

Please apply directly with a CV and if suitable we will be in touch to provide more information.