OT ICS Cyber Security Consultant — Red/Blue Team & Risk

Capula; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading system integrator in the UK is seeking an experienced OT/ICS Cyber Security Consultant. In this full-time role, you will lead red-team activities such as penetration testing and threat emulation while supporting blue-team functions. Ideal candidates should have 3-5 years in cyber security within OT/ICS environments and relevant certifications. The position offers 28 days holiday, flexible working, and comprehensive benefits including healthcare and pension schemes.

Benefits

28 days holiday + bank holidays

Flexible working

Private healthcare

Pension and life assurance

Mental health support

Cycle-to-work scheme

Support for chartered membership

Qualifications

• 3–5 years of cyber security experience in OT/ICS.
• Hands-on experience with penetration testing and threat modelling.
• Eligible for SC clearance and UK Cyber Security Council registration.

Responsibilities

• Lead red-team activities such as penetration testing and threat emulation.
• Support blue-team functions involving architecture and compliance.
• Develop attack scenarios using MITRE ATT&CK for ICS.

Skills

Cyber security in OT/ICS environments

SCADA, PLCs, RTUs, and IC protocols

Penetration testing

Threat modeling

Risk assessments

Education

Certification in IC/OT (e.g., GICSP, GRID, IEC 62443)

Job description

A leading system integrator in the UK is seeking an experienced OT/ICS Cyber Security Consultant. In this full-time role, you will lead red-team activities such as penetration testing and threat emulation while supporting blue-team functions. Ideal candidates should have 3-5 years in cyber security within OT/ICS environments and relevant certifications. The position offers 28 days holiday, flexible working, and comprehensive benefits including healthcare and pension schemes.