Operational Technology SME Engineer

Role Overview

The Operational Technology SME Engineer is a senior technical engineering role responsible for the expert design, implementation, optimisation and ongoing support of the organisation’s operational technology (OT) cybersecurity solutions. The role works closely with architecture and engineering teams to translate solution designs into robust, secure and maintainable OT systems, focusing on Claroty and Cisco technologies.

Key Responsibilities

• Act as the subject matter expert for the design, build, configuration, integration and optimisation of OT cybersecurity solutions, with deep expertise in Claroty and Cisco industrial security technologies.
• Lead the technical implementation and deployment of new OT security capabilities and enhancements across IT/OT environments.
• Provide expert engineering support for day‑to‑day BAU operations, maintenance, troubleshooting and performance tuning of OT security platforms.
• Collaborate with the OT Product Manager, Solution Architects and delivery teams to ensure solutions are implemented effectively and meet business, operational and security requirements.
• Develop and maintain technical standards, configuration baselines, automation scripts and operational procedures for OT security systems.
• Lead vulnerability remediation, patching and security hardening activities for OT cybersecurity platforms and connected industrial assets.
• Support incident response and problem management activities related to OT systems, including root cause analysis and permanent fixes, while minimising impact on operational continuity.
• Mentor and provide technical guidance to junior engineers and team members on OT security technologies and best practices.
• Monitor system performance, availability and capacity of OT security tooling and drive continuous improvement and automation initiatives.
• Contribute to the evaluation and selection of new OT security tools or enhancements within the operational technology domain.

Required Qualifications

• Bachelor’s degree or equivalent relevant work experience.
• 8 years in IT or OT, with at least 5 years of hands‑on engineering experience in operational technology or industrial control system security.
• CISSP or CISM (or equivalent) certification.
• Expert‑level technical knowledge of Claroty, Cisco industrial security solutions, OT protocols and secure IT/OT architectures.
• Engineering and implementation skills, including configuration, integration, scripting and troubleshooting in OT environments.
• Excellent problem‑solving and analytical abilities with a strong focus on operational stability, safety and security.
• Ability to translate solution designs into practical, maintainable engineering deliverables in industrial settings.
• Stakeholder management and communication skills, including the ability to work effectively with OT operations teams.
• Proven mentoring and knowledge‑sharing capabilities.
• Sound understanding of how OT cybersecurity supports operational continuity and risk reduction.
• Up‑to‑date knowledge of current and emerging OT‑specific cyber threats and defensive technologies.

Preferred Qualifications

• Master’s degree or equivalent relevant work experience.
• 10+ years in IT/OT environments, with at least 7 years of specialised experience in OT cybersecurity engineering, particularly with Claroty and Cisco technologies.
• Deep hands‑on expertise with Claroty platforms for OT asset visibility, exposure management and network protection, and Cisco industrial networking and security solutions.
• Experience in OT protocols, segmentation, Purdue Model implementation and IT/OT convergence environments.
• Proven track record in implementing and supporting complex OT security solutions in industrial, large‑scale or critical infrastructure settings.
• Experience with scripting and automation relevant to OT environments.
• Knowledge of relevant OT standards and regulations (e.g., IEC 62443, NIS Regulations, GDPR).

Benefits

• Contract of employment.
• Annual bonus that reflects performance.
• Hybrid work philosophy.
• Private medical package (Medicover) with additional preventive healthcare services for employees and eligible dependants.
• Multisport card or points on the Multicafeteria Benefits account.
• Health and wellbeing programmes.
• Pension plan membership and savings programme (PPE).
• Personalised learning paths and access to diverse development tools to support professional growth.
• Generali Life insurance.
• Supportive community and integration events.
• Family benefits including extra parental leave and caregiver’s policy.
• Free car and bike parking.

Equal Opportunities

Haleon is committed to mobilising our purpose in a way that represents the diverse consumers and communities who rely on our brands every day. It guides us in creating an inclusive culture where different backgrounds and views are valued and respected.