OT Cyber Security Architect for Industrial Control

PA Consulting Group; City Of London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Health and lifestyle perks

25 days annual leave

Generous company pension scheme

Annual performance-based bonus

PA share ownership

Cycle to work

Job summary

PA Consulting seeks an OT Cyber Security Architect to lead design and delivery of security architectures across complex OT environments. You will collaborate with senior stakeholders, engineering teams and regulators to translate cyber risk into practical, deployable security outcomes, balancing resilience and operational efficiency.

You will drive secure patterns, governance, and roadmaps while guiding clients through regulatory obligations and transformation programs in a fast-paced,

Qualifications

• Experience designing and delivering OT security architectures in critical infrastructure or similar environments.
• Deep understanding of industrial control systems, SCADA and OT networks.
• Proven ability to apply frameworks like IEC 62443, NIST CSF, ISO 27001 and NIS/NIS2.
• Ability to translate cyber risk into actionable architecture decisions and roadmaps.
• Strong problem-solving and analytical thinking capabilities.
• Excellent collaboration with security leaders, engineering and operations teams.
• Clear communication of complex topics to technical and non-technical audiences.

Responsibilities

• Architect and design OT security architectures aligned to standards and regulations.
• Translate cyber risk assessments into target-state architectures and roadmaps.
• Define secure IT/OT integration patterns and resilience capabilities.
• Lead OT security transformation programs including remote access and vulnerability management.
• Advise CISOs and operational leaders on risk, regulatory obligations and priorities.
• Support technology selection, deployment and optimization while minimizing disruption.

Skills

OT security architectures

Industrial control systems

Security frameworks

Risk translation

Analytical thinking

Stakeholder collaboration

Communication skills

Job description

PA Consulting seeks an OT Cyber Security Architect to lead design and delivery of security architectures across complex OT environments. You will collaborate with senior stakeholders, engineering teams and regulators to translate cyber risk into practical, deployable security outcomes, balancing resilience and operational efficiency.

You will drive secure patterns, governance, and roadmaps while guiding clients through regulatory obligations and transformation programs in a fast-paced,