OT Cyber Security Architect - Secure ICS/SCADA & IT/OT

Anson McCade Pty; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Anson McCade Pty is seeking an OT Cyber Security Architect to lead the design of secure OT environments across industrial control systems and ICS/SCADA networks. You will translate risk assessments into target-state architectures and roadmaps, define secure integration patterns, and advise C-suite and engineering teams on regulatory obligations and investment priorities.

The role requires deep OT security expertise, experience with leading security tools, and collaboration across

Qualifications

• Experience designing OT security architectures for critical environments.
• Knowledge of IEC 62443, NIST CSF, CAF, ISO 27001 and NIS/NIS2.
• Experience with OT/IT integration and network segmentation.
• Familiarity with OT security monitoring and tooling platforms.

Responsibilities

• Own complex OT security architecture challenges and provide robust recommendations.
• Assess OT security risks and translate findings into architecture decisions.
• Design secure OT architectures for critical and safety-sensitive environments.
• Develop target operating models, security control frameworks and roadmaps.
• Advise on OT security monitoring, detection and response capabilities.
• Support vulnerability management and secure remote-access strategies.
• Select appropriate OT security technologies and tools.
• Collaborate with engineering and operations to minimise disruption.

Skills

OT security architecture

Network segmentation

Security risk assessment

Stakeholder communication

Target-state architecture

Transformation leadership

Tools

Nozomi

Claroty

Dragos

Microsoft Defender for IoT

Job description

Anson McCade Pty is seeking an OT Cyber Security Architect to lead the design of secure OT environments across industrial control systems and ICS/SCADA networks. You will translate risk assessments into target-state architectures and roadmaps, define secure integration patterns, and advise C-suite and engineering teams on regulatory obligations and investment priorities.

The role requires deep OT security expertise, experience with leading security tools, and collaboration across