Principal Cyber Security Consultant

Principal OT Cyber Security Consultant

Up to £750 per day - Inside IR35 - 6 month engagement

Remote (client site travel) | DV Clearance required

Overview

An opportunity is available for a Principal Consultant specialising in Operational Technology (OT) Cyber Security to support high-profile programmes within secure and regulated environments.

This position will suit a senior professional who is comfortable leading engagements, advising stakeholders at all levels, and delivering practical security solutions across complex industrial and operational systems.

Due to the nature of the work, active DV clearance is a strict requirement.

What You’ll Be Doing

• Taking a leading role in delivering cyber security solutions across OT and industrial environments
• Shaping secure architectures and embedding security into operational systems and processes
• Conducting risk assessments, threat analysis, and security reviews within critical environments
• Advising clients on compliance with key cyber security standards and regulatory expectations
• Supporting assurance and accreditation activities in sensitive programmes
• Engaging directly with stakeholders to provide clear, pragmatic security guidance
• Driving best practice across OT security strategy, governance, and implementation
• Contributing to wider business initiatives including client growth and solution development

What We’re Looking For

• Strong background in Operational Technology / Industrial Cyber Security
• Experience operating at a senior or principal consultant level, leading complex engagements
• In-depth understanding of industrial control systems, SCADA, and OT networks
• Practical experience performing risk assessments across IT/OT environments
• Familiarity with industry standards and frameworks such as:
• IEC 62443
• NCSC CAF
• NIST CSF
• ISO 27001
• Knowledge of industrial communication protocols and OT networking concepts
• Ability to balance security with safety and operational continuity
• Excellent communication skills with a strong client-facing approach

Nice to Have

• Recognised security certifications (e.g. CISSP, GICSP)
• Previous experience in defence, national infrastructure, or highly regulated sectors

Key Details

• Rate: Up to £750 per day
• Contract: Initial term with potential extension
• On-site presence required 2–3 days, twice per month