OT Cyber Security Architect — Hybrid, Learning & Certifications

Pa Consulting; United Kingdom; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Private healthcare

25 days annual leave

Company pension

Annual bonus

Share ownership

Tax efficient benefits

Job summary

PA Consulting is seeking an OT Cyber Security Architect to lead secure OT design across complex operations. You will collaborate with senior security leaders, engineers and regulators to translate risk into practical security outcomes.

You will shape secure architectures, drive roadmaps and work across multiple sectors, balancing resilience and safety while guiding client projects and internal tooling initiatives.

Qualifications

• Experience designing OT security architectures in critical infrastructure and similar environments.
• Ability to translate cyber risk into architecture decisions and roadmaps.
• Knowledge of international standards and regulatory requirements for OT security.
• Strong collaboration with security leaders, engineering and operations teams.
• Excellent communication skills for technical and non-technical audiences.

Responsibilities

• Architect and design secure OT environments aligned to global standards.
• Translate cyber risk assessments into target-state architectures and roadmaps.
• Define secure IT/OT integration patterns including segmentation and access control.
• Lead OT security transformation workstreams and vulnerability management.
• Advise CISOs and operational leaders on risk, regulatory obligations and investments.
• Support technology selection and optimization while minimising disruption.

Skills

OT security architecture

Problem solving

Analytical thinking

Stakeholder collaboration

Strong communication

Tools

IEC 62443

NIST CSF

NCSC CAF

ISO 27001

NIS/NIS2

Job description

PA Consulting is seeking an OT Cyber Security Architect to lead secure OT design across complex operations. You will collaborate with senior security leaders, engineers and regulators to translate risk into practical security outcomes.

You will shape secure architectures, drive roadmaps and work across multiple sectors, balancing resilience and safety while guiding client projects and internal tooling initiatives.