Operational Technology Technician

About the role

At National Grid Interconnectors, we're playing a vital role in delivering the UK's net zero future. Our high-voltage direct current (HVDC) interconnectors connect Great Britain's energy system with those of our nearest neighbours, enabling the secure transfer of electricity across borders and supporting a cleaner, more resilient energy network.

As our portfolio continues to grow, we're looking for an Operational Technology (OT) Technician to join our Operations team. In this role, you'll help ensure the reliable and secure operation of critical OT systems, networking infrastructure, and cyber assets that support our interconnector sites and control room environments.

Working as part of a highly skilled team, you'll play a key part in maintaining system performance, strengthening cyber security, and supporting the safe operation of nationally important energy infrastructure.

The role is based onsite at Vikinglink based in Bickerfen, so please ensure you have a full UK driving licence and are within travelling distance of site.

What you'll do

As an OT Technician, you'll support the day-to-day operation, maintenance, and security of Operational Technology assets across our interconnector sites, responsibilities include;

• Installing, maintaining, refurbishing and repairing OT systems, networking infrastructure and cyber security assets.
• Performing routine operational activities, including software patching, antivirus updates, backups and access permission reviews.
• Monitoring asset condition and system performance to identify and resolve issues proactively.
• Supporting both planned and reactive maintenance activities across site systems.
• Ensuring all work is completed safely and in compliance with applicable legislation, business procedures and regulatory requirements.
• Participating in a site call-out rota and supporting live operational incidents when required.
• Managing and supporting third-party contractors carrying out planned and unplanned works.
• Supporting cyber security, engineering and assurance initiatives across interconnector sites and control rooms.
• Assisting with asset management, change management and spare equipment readiness.
• Supporting backup, restoration and recovery activities for critical operational systems.
• Installing and testing hardware and network changes.
• Acting as a superuser for privileged devices, supporting software builds, device management and operational use cases.
• Assisting with the management of supporting infrastructure, including power supplies, cooling systems and physical security controls.
• Supporting audits, inspections and compliance reporting activities.

Occasional travel may be required across our Interconnectors portfolio, including IFA, IFA2, NSL and Viking Link sites.

What you'll need

We're looking for someone with a strong technical mindset and a passion for working on critical infrastructure. You don't need to have direct interconnector experience, but you'll need:

• Experience or knowledge of Operational Technology systems, networks, cyber security assets, building management systems, control systems or similar technologies.
• The ability to work independently and as part of a collaborative operational team.
• Strong problem-solving skills and a proactive approach to resolving issues.
• Good IT and computer literacy skills.
• An understanding of health, safety and environmental requirements within an operational or engineering environment.
• Strong communication skills and a positive, can-do attitude.
• Experience using asset management systems such as Maximo, Ellipse, IFS or similar would be advantageous.
• Competent Person authorisation, or the willingness and capability to work towards achieving it.
• NVQ Level 3 qualification in Engineering, IT, Telecommunications or a related discipline, or an equivalent recognised apprenticeship.

Desirable;

• NVQ Level 4 qualification in Engineering, IT, Telecommunications or a related discipline.
• IOSH, NEBOSH or equivalent health and safety qualification.
• Experience within utilities, energy, critical infrastructure or a related industry.

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What you'll get

A competitive salary between £43,315.00 - £47,137.00– dependent on capability.

As well as your base salary, you will receive a bonus based on personal and company performance and a competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%. You will also have access to a number of flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few.

More Information

This role closes on 24th Sepetember 2026 at 23:59, however we encourage candidates to submit their application as early as possible and not wait until the published closing date as this can vary.