OT Cyber Security Consultant

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

🔐 We’re Hiring: OT / ICS Cyber Security Consultant

📍 Stone, UK | 💼 Full‑time |

Capula (part of the EDF Group) is a leader in advanced system integration across energy, water, renewables, and manufacturing. We’re seeking an experienced OT / ICS Cyber Security Consultant to join our growing team and help secure some of the UK’s most critical infrastructure.

🛠️ What You’ll Do :

• Lead red‑team activities: penetration testing, threat emulation, resilience validation
• Support blue‑team functions: architecture, compliance, monitoring, incident response
• Develop attack scenarios using MITRE ATT&CK for ICS
• Conduct risk assessments and support standards like IEC 62443 & NIST SP800‑82
• Collaborate with stakeholders and contribute to training, reporting, and continuous improvement

✅ What You’ll Bring :

• 3–5 years in cyber security, ideally in OT / ICS environments
• Experience with SCADA, PLCs, RTUs, and IC protocols (MODBUS, OPC, DNP3)
• Hands‑on offensive security skills (pen testing, threat modelling)
• At least one IC / OT certification (e.g., GICSP, GRID, IEC 62443)
• Eligible for SC clearance and UK Cyber Security Council registration

🎁 What We Offer :

• 28 days holiday + bank holidays
• Flexible working & private healthcare
• Pension, life assurance & mental health support
• Cycle‑to‑work & green car schemes
• Support for chartered membership (IET, BCS, CIISEC)

We’re committed to inclusion and welcome applications from all backgrounds.

📩 Apply now or email your CV and cover letter to [e-mail], quoting job reference SS‑2025‑22.