Digital Waffle
OT Security Lead
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Salary: Up to £75,000 + Bonus + 10% Pension
A leading engineering and technology organisation within the energy sector is seeking a Cybersecurity Technical Lead to support the delivery of secure, resilient solutions across critical infrastructure projects. This role plays a key part in strengthening the security of systems that underpin the UK’s energy network, contributing to a more intelligent and sustainable future.
Key Responsibilities
- Provide expert cybersecurity guidance to project teams across engineering, development, and service delivery, ensuring secure-by-design solutions
- Design and implement robust security architectures for both software and hardware components in line with customer and regulatory expectations
- Develop and maintain cybersecurity frameworks and models for new and existing systems, aligned with recognised standards such as IEC 62443 and IEC 62351
- Identify and implement improvements to cybersecurity processes, enhancing both protection levels and operational efficiency
- Produce and oversee Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) documentation, leading security validation activities
- Support and mentor project teams throughout the full lifecycle, offering specialist advice on product and system security
- Deliver internal training sessions to raise awareness and capability in cybersecurity practices
- Track, assess, and communicate security risks, issues, and mitigation plans to stakeholders and leadership teams
- Ensure adherence to corporate policies, compliance requirements, and best practices for handling sensitive information
- Promote a strong safety-first culture, supporting initiatives that prioritise safe and responsible working environments
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Skills & Experience
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- Professional cybersecurity certification completed or underway (e.g. CISSP, IEC 62443-related credentials)
- Practical experience within Operational Technology (OT) environments or Industrial Control Systems
- Familiarity with industry standards including IEC 62443 and IEC 62351
- Understanding of substation automation, protection technologies, and communication protocols such as IEC 61850
- Awareness of regulatory frameworks such as NIS2 and associated security level requirements
- Knowledge of industrial network topologies (e.g. PRP, HSR)
- Experience with security technologies including firewalls, intrusion detection systems, VPNs, and encryption protocols
- Strong communication skills with the ability to engage both technical and non-technical stakeholders
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