Salary: £70,000 - 75,000 per year Requirements: Minimum Level 4 qualification (or equivalent) in Network Engineering, Computer Science, Electronic Engineering, Network Security, or a related field. Cybersecurity certification achieved or in progress (e.g., ISA/IEC 62443 Fundamentals, CISSP). Experience in Operational Technology (OT) or Industrial Control Systems and relevant standards such as IEC 62443 and IEC 62351. Knowledge of substation automation, protection systems, and protocols such as IEC 61850. Understanding of NIS2 regulation and Security Level requirements. Familiarity with OT network architectures (e.g., HSR, PRP). Understanding of network security technologies (Firewalls, IDS, IPSec, SSL). Excellent written, verbal, and interpersonal communication skills. Knowledge of server administration and virtualisation (desirable). Experience in network design, switching, and routing (desirable). Exposure to IoT and cloud-based technologies (desirable). Responsibilities: Supporting and consulting project delivery teams (development, engineering, or service) to design, configure, and implement secure architectures and product & solution security (software and hardware). Developing and maintaining Cyber Security Models for new and existing solutions in line with industry and global standards (e.g., IEC 62443, IEC 62351). Driving improvements in cybersecurity procedures and processes to enhance security posture and operational effectiveness. Creating Factory and Site Acceptance Test documentation and leading cybersecurity testing activities. Coaching and supporting project teams through security activities across development, project management, and service phases. Delivering cybersecurity training to internal teams where required. Monitoring and reporting cybersecurity status, risks, and actions to management. Ensuring compliance with business policies, conduct guidelines, and confidentiality requirements. Promoting safe working practices and contributing to a positive safety culture. Technologies: Cloud Embedded Hardware IoT Support Network Security More: We are looking for a Cybersecurity Technical Lead to support the development and delivery of secure solutions that support critical national infrastructure. This role plays a key part in ensuring cybersecurity is embedded across projects, products, and operational technologies, helping to build secure and resilient systems for the future. We offer a performance-based annual bonus, flexible working hours to support work-life balance, a generous pension scheme with employer contributions up to 10%, and 26 days annual leave plus bank holidays, with the option to buy or sell up to 5 additional days. last updated 14 week of 2026