CNI Engineer

About the role

At National Grid, we keep people connected and society moving. But it’s so much more than that. National Grid supplies us with the environment to make it happen. As we generate momentum in the energy transition for all, we don’t plan on leaving any of our customers in the dark. So, join us as a CNI (Critical National Infastructure) Engineer, and find your superpower.

National Grid is hiring a CNI Engineer to technically manage and facilitate the maintenance and delivery of property building services to Data Centre Tier standards, at National Grid CNI (Critical National Infrastructure) sites. 

The role is based on-site in Warwick with travel to other sites and involves working closely with an outsourced specialist Hard FM Contractor.

Due to the travelling incolved you will need a full UK driving licence for the role.

If you have previous data centre or critical services engineering experience we would love to hear from you!.

What you'll do

• Technically oversee Planned Preventative Maintenance and reactive Maintenance work.
• Technically manage projects to improve and/or replace CNI assets
• Facilitate access and internal stakeholder approval of work in business-sensitive and secure CNI work areas.
• Act as main internal interface with National Grid's IT teams and other relevant stakeholders.
• Support work to ensure the reliability and availability of critical power supplies and air conditioning systems.
• Support work to ensure the continuous operation and resilience of site services to maintain uninterrupted, robust, safe, compliant and efficient support of National Grid, Critical National Infrastructure (CNI) systems.
• Support monitoring of CNI asset condition.
• Support a continuous improvement to maintain Data Centre Tier level standards across the CNI systems.
• Be an in-house Subject Matter Expert on Building Services Critical Systems.
• As part of rota, undertake Duty Property Manager role as the single point of escalation for incidents outside of hours.

What you'll need

• Strong Electrical and Mechanical Engineering background.
• Demonstrable practical experience in Critical Environments including an understanding of the impact of potential loss of critical systems within a business.
• Experience of delivering PPM and reactive maintenance work.
• Experience working with supply chain teams in a CNI operational environment and an ability to interpret contractual requirements in the delivery of these works.
• Experience of reporting to stakeholders at all levels including Senior Management under incident conditions.
• Experience in Contractor audits and assurance.
• Experience in Change Control Systems and the purpose of their implementation and use of e-permits.
• Understanding of Permits to Work and Safe Systems of Work.
• Understanding of safety and compliance requirements working in a building services environment.
• Awareness of Data Centre Tier level standards, continuous improvement ways of working, and business continuity planning.
• Educated to HNC level in Electrical Engineering, Mechanical Engineering or have City and Guilds Electrical certification to level 3 (An equivalent combination of education, training, and experience meeting these demands will be considered)
• Experience and understanding of requirements working to Data Centre Tier standards.
• Industry qualification in safety management (e.g. IOSH or NEBOSH).
• You must have, or be willing to undertake, National Security Vetting.

What you'll get

A competitive salary between £54,090 - £63,940 – 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.

About us

National Grid is pioneering ways to decarbonise the energy system; from building interconnectors to allow the UK to share clean energy with our neighbours in Europe, to investing in renewable energy generation in the United States.

As one of the largest investor-owned energy companies in the world, National Grid is at the centre of a clean, fair and affordable energy future, where tackling climate change and reaching net zero is a key priority. National Grid is pioneering ways to decarbonise the energy system; from building interconnectors to allow the UK to share clean energy with our neighbours in Europe, to investing in renewable energy generation in the United States.

More Information

This role closes on 25th July 2025 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. 
 

At National Grid, we work towards the highest standards in everything we do, including how we support, value and develop our people. Our aim is to encourage and support employees to thrive and be the best they can be. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds, and offer flexible and tailored support, at home and in the office.