OT Security Lead

Location: Newcastle, England | Hybrid - SC Clearance

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

Skills & Experience

• 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