OT Cyber Security Engineer

Role overview: 

The OT Cyber Security Engineer is a technical engineering role responsible for the expert design, implementation, optimisation, and ongoing support of the organisation’s Operational Technology (OT) cybersecurity solutions.  

This position provides deep technical expertise to ensure the effective delivery, integration, and BAU operation of OT security capabilities across industrial control systems, including ICS, SCADA, DCS, and IIoT.  

The role works closely with architecture and engineering teams to translate solution designs into robust, secure, and maintainable OT systems, with particular focus on Claroty and Cisco technologies. 

Key Responsibilities 

• Act as the subject matter expert for the design, build, configuration, integration, and optimisation of Operational Technology 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 the day-to-day BAU operations, maintenance, troubleshooting, and performance tuning of OT security platforms 

• Collaborate with the Operational Technology 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 

Your profile 

Required: 

• +3 years of hands-on engineering experience in operational technology or industrial control system security 

• CISSP, CISM, GICSP, IEC 62443 Cybersecurity Expert or equivalent certification preferred

• Technical knowledge of Claroty or/and Cisco industrial security solutions, OT protocols, and secure IT/OT architectures 

• Engineering and implementation skills, including configuration, integration, scripting, and troubleshooting in OT environments 

• 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 

• 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:
 

• 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)

Why Haleon?   

None of us should ever feel like we’re standing still. At Haleon, we want you to feel supported, valued, and always progressing. Improving everyday health takes dedication, energy, and effort — so we reward your contribution with a benefits package that includes:   

• Contract of employment    

• Annual bonus that reflects performance    

• Hybrid@Haleon our philosophy to hybrid work (2 days onsite per week)

• Private medical package (Medicover) with additional preventive healthcare services for employees and their eligible    

• Multisport card or points on the Multicafeteria Benefits account       

• Health and wellbeing programmes that take care of you physically and mentally    

• Pension plan membership and savings programme (PPE)    

• Personalized learning paths and access to diverse development tools to support your professional growth.    

• Generali Life insurance    

• Supportive community and integration events   

• Family benefits (extra parental leave, caregiver’s policy)    

• Free car and bike parking   

#Li-hybrid