OT Security Architect

Location: UK – hybrid working
Working pattern: Minimum 2 days per week in the office or on client site
Salary: Up to £90,000

You'll join a leading consulting firm's cyber security and technology community, working with specialists across engineering, technology and digital transformation.

You'll support clients across sectors such as energy, utilities, manufacturing, transport and critical infrastructure, helping them secure complex operational environments while maintaining safety, resilience and operational efficiency.

• Designing and delivering secure OT architectures across complex industrial environments.

• Translating cyber risk assessments into security controls, target-state architectures and practical implementation roadmaps.

• Defining secure integration between IT and OT environments, including network segmentation, access controls and security monitoring.

• Leading OT security initiatives covering secure remote access, vulnerability management, protective monitoring and operational resilience.

• Advising senior security leaders, operational teams and engineers on OT cyber risks, regulatory requirements and security improvements.

• Supporting technology selection and implementation, ensuring security measures are practical and minimise disruption to operations.

• Working collaboratively with clients and technical teams to deliver security improvements and contribute to wider cyber security practices.

• Strong experience designing and delivering OT cyber security architectures in critical infrastructure, industrial, manufacturing, transport, energy or utilities environments.

• A deep understanding of industrial control systems (ICS), SCADA and OT networks.

• Experience applying recognised standards and frameworks such as IEC 62443, NIST CSF, NCSC CAF, ISO 27001 or NIS/NIS2.

• The ability to translate cyber risks into practical security architectures, technical controls and implementation plans.

• Experience working with senior stakeholders, engineering teams and operational leaders.

• Strong analytical, problem-solving and communication skills, with the ability to explain complex security concepts to technical and non-technical audiences.

Experience with OT security monitoring platforms such as Nozomi, Claroty, Dragos or Microsoft Defender for IoT would also be valuable.