OT Security Consultant

Tria; Oxford; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading UK organisation is seeking an OT Cyber Security Specialist to lead the development of their OT security capability. This role involves defining the OT Security Strategy, developing governance frameworks, and ensuring compliance with industry standards in a regulated environment. Experience in OT security, familiarity with IEC 62443, NIST CSF, and SC clearance are essential. The position is based in Oxford with one day a week on-site.

Qualifications

• Proven expertise in Operational Technology (OT) security within critical infrastructure environments.
• Strong knowledge of OT security frameworks like IEC 62443, NIST CSF, and ISO 27001.
• Experience conducting OT risk assessments and remediation planning.

Responsibilities

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

Skills

Operational Technology (OT) security expertise

Ability to define and implement OT security strategies

Strong knowledge of OT security frameworks

Experience conducting OT risk assessments

Familiarity with OT networks and protocols

Experience working with engineering teams and MSPs

Must be SC Cleared

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.

Experience required:

• Proven expertise in Operational Technology (OT) security within ICSS 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.