OT Cyber Security Engineer

Welcome to Haleon. We’re a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, we’ve grown, evolved and are now entering an exciting new chapter - one filled with bold ambitions and enormous opportunity.

Our trusted portfolio of brands - including Sensodyne®, Panadol®, Advil®, Voltaren®, Theraflu®, Otrivin®, and Centrum® - lead in resilient and growing categories. What sets us apart is our unique blend of deep human understanding and trusted science.

Now it’s time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose - to deliver better everyday health with humanity - at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture.

Role overview:

The OT Cyber Security Engineeris 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 technicalexpertiseto ensure the effective delivery, integration, and BAU operation of OT security capabilities across industrial control systems, including ICS, SCADA, DCS, andIIoT.

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

Key Responsibilities

• Act as the subject matter expert for the design, build, configuration, integration, and optimisation of Operational Technology cybersecurity solutions, with deepexpertiseinClarotyand 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 andmaintaintechnical 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 andprovidetechnical 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 andselectionof 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-onexpertisewith 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

• Proventrack recordin 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’restanding 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@Haleonour philosophy to hybrid work (2 days onsite per week)

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

• Multisport card or points on the MulticafeteriaBenefits account

• Health and wellbeing programmesthat 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

PLN 156 282,00 - PLN 214 887,20 The salary range for this position is indicative and provided as a guide. The final offer may vary depending on factors including relevant experience, skills, qualifications, and internal equity considerations. Further details regarding the total reward and benefits package will be shared during the recruitment process. Salary ranges may vary by location in line with local market conditions and applicable pay transparency regulations. Compensation information is shared for the primary location of this role. Where the position is advertised with additional locations the compensation range will be discussed during the recruiting process.

Job Posting End Date

2026-10-30

Equal Opportunities

Haleon are 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 - all in support of understanding and best serving the needs of our consumers and unleashing the full potential of our people. It’s important to us that Haleon is a place where all our employees feel they truly belong.

During the application process, we may ask you to share some personal information, which is entirely voluntary. This information ensures we meet certain regulatory and reporting obligations and supports the development, refinement, and execution of our inclusion and belonging programmes that are open to all Haleon employees.

The personal information you provide will be kept confidential, used only for legitimate business purposes, and will never be used in making any employment decisions, including hiring decisions.

Adjustment or Accommodations Request

If you require a reasonable adjustment or accommodation or other assistance to apply for a job at Haleon at any stage of the application process, please let your recruiter know by providing them with a description of specific adjustments you are requesting. We’ll provide all reasonable adjustments to support you throughout the recruitment process and treat all information you provide us in confidence.

Note to candidates

The Haleon recruitment team will contact you using a Haleon email account (@haleon.com). If you are not sure whether the email you received is from Haleon, please get in touch.