Johnson Matthey

About the Company

We are Johnson Matthey, a global leader in sustainable technologies. Our customers include many of the world's leading energy, chemicals and automotive companies. They depend on us to use our cutting-edge science to enable them to decarbonise, reduce harmful emissions and improve their sustainability. With climate change, energy supply and resource scarcity high on the agenda, this work is more critical now than ever before.

Listed Jobs

Company Name

Johnson Matthey

Job Title

Technical Authority Cyber/OT

Job Description

**Job title** Technical Authority Cyber/OT **Role Summary** Lead the development, implementation, and continuous improvement of cyber security practices for operational technology (OT) environments within manufacturing settings, ensuring alignment with business objectives and regulatory requirements. **Expectations** - Deliver secure, reliable OT operations supporting global production goals. - Demonstrate strategic oversight of cyber security initiatives across multiple sites. - Maintain proactive engagement with international travel to coordinate with remote stakeholders. **Key Responsibilities** - Define and execute OT security strategy, policies, and standards. - Conduct risk assessments, threat modeling, and gap analyses for industrial control systems. - Oversee deployment of security controls (network segmentation, access management, monitoring, incident response). - Partner with manufacturing, engineering, and IT teams to embed security into process design and operations. - Lead incident response and investigation for OT-related security events. - Ensure compliance with ISO 27001, NIST, IEC 62443, and relevant industry regulations. - Provide expert guidance, training, and awareness programs for OT personnel. - Evaluate emerging OT security technologies and recommend adoption. **Required Skills** - In‑depth knowledge of OT/ICS architectures (PLC, SCADA, DCS, HMI). - Strong understanding of cyber security frameworks (NIST, ISO 27001, IEC 62443). - Experience with risk assessment, vulnerability management, and incident response in OT contexts. - Ability to communicate complex security concepts to technical and non‑technical audiences. - Proven project management and stakeholder engagement capabilities. - Willingness to travel internationally to support global operations. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Electrical/Electronics Engineering, Cyber Security, or related discipline. - Professional certifications: CISSP, CISM, ISO 27001 Lead Implementer, IEC 62443, or equivalent.

Royston, United kingdom

On site

16-01-2026