Cyber Security Architect (OT)

Job Description

OT Cyber Security Architect

Location: Newcastle (1-2 days on-site per week)
Contract Length: 12 Months
IR35 Status: Outside IR35
Sector: UK Public/Government Body
Start Date: ASAP

About the Role:

We're looking for an experienced OT Cyber Security Architect for a 12-month contract with a leading UK public sector organisation. This is a hands-on technical role focused on designing and implementing secure operational technology (OT) environments that support critical services.

The ideal candidate will have strong technical skills in securing OT systems, a deep understanding of cyber security frameworks, and experience engaging with a wide range of stakeholders.

Key Responsibilities:

• Design and deliver secure OT architecture solutions in line with public sector security standards.
• Provide hands-on technical expertise to secure operational systems that support critical services.
• Conduct risk assessments and develop robust mitigation strategies for OT environments.
• Collaborate with internal stakeholders to ensure security policies and controls are effectively implemented across OT systems.
• Support the development of long-term OT security roadmaps and strategies.
• Lead security incident response activities related to OT infrastructure.
• Ensure compliance with relevant frameworks, including NCSC guidance, IEC 62443, and the NIS Directive.
• Maintain accurate and detailed technical documentation on all security architectures and processes.

Essential Skills & Experience:

• Proven experience as an OT Cyber Security Architect or similar technical OT security role.
• Strong knowledge of operational technology environments and industrial control systems (ICS).
• Experience in implementing security controls for critical OT systems and networks.
• Understanding of cyber security principles, risk management, and threat modelling in OT settings.
• Expertise in network security, segmentation strategies, and secure remote access.
• Familiarity with UK public sector security requirements and best practices.
• Knowledge of relevant standards and regulations, including IEC 62443, NIS Directive, and ISO 27001.

Desirable Skills:

• Experience working within UK government bodies or public sector organisations.
• Security certifications such as CISSP, CISM, or SABSA.
• Familiarity with cloud integration in OT environments.
• Knowledge of OT security monitoring, threat intelligence, and incident response best practices.

How to Apply:

If you're an experienced OT Cyber Security Architect with the skills outlined above, submit your CV today for immediate consideration.

GCS is acting as an Employment Business in relation to this vacancy.