CNI Application Support Analyst


Wokingham, GB, RG41 5BN

Division:  CNI Applications UK
Job Type: 
Requisition Number:  41618
Job Function:  Information Technology

About us

As Great Britain’s electricity system operator (ESO), we sit at the heart of the electricity system, using our outstanding engineering and commercial expertise to balance electricity supply and demand. Ultimately, we keep the electricity flowing directly to where it’s needed, second by second.

Job Purpose

There are three opportunities available from Graduate to Senior level ranging in salaries from £33,620 up to £55,000 per annum.


This position is responsible for supporting the operation of National Grid’s Electricity CNI Systems and supports the prevention of system incidents which could lead to a loss of network control, resulting in potential breach of National Grids license to operate. 

The role includes undertaking incident management processes as appropriate to resolve system faults and ensure system restoration adhering to agreed Service Level Agreement timeframes.  

Day to day support entails regular daily system management support activities, including daily system health checks, reporting, and initial diagnosis of issues through to deployment of major software releases. Supporting the day-to-day needs of control room operations staff and other end users. 

It is a requirement that supporting these CNI Systems operation will include serving on an on-call rota during non-business hours. This will be based on competency to fulfil the on-call role. It will be assessed and reassessed regularly. 


Key Accountabilities

  • Responsible for the safe, efficient and reliable support of CNI Systems for the UK. 
  • Work with the business and other stakeholders to ensure that any changes are in the best interests of keeping the system reliable, resilient and will not impact upon the criticality of their operations  
  • Work with Audit and Security together with any other outside Government organisations to ensure that the support operations is compliant with policies and standards expected of a critical CNI system
  • Act as the contact point for IS, the Business and any outside organisations , acting in the best interests of both the business and the management and support of the CNI system
  • Provide real operational experience into the future design and development of the CNI Systems, ensuring that future developments result in a more efficient, more reliable and easier to support system. 
  • Develop enhancements to the solutions in place.
  • Expectation that the normal rules of hierarchy escalation in both internal and external organisations may need to be cut through in order to deliver the support of such a critical service so interaction with senior management may occur.


Knowledge, Experience & Technical Know How

  • Basic knowledge of utility operational technology SCADA systems, Integrated electricity Management Systems (IEMS) with critical operational systems
  • Understanding of the Valued Business Partner capabilities and behaviours required in all interactions with IS Colleagues, vendors and business stakeholders.
  • Understanding of the requirements for supporting mission critical systems.
  • Experience of and a good knowledge of system technologies, monitoring tools and processes in a 24x7 365 support environment.
  • Analytical thinker, capable of decision making when under pressure, well organised with a technical bias with clear knowledge of the associated technologies as well as skills in engineering control systems. 
  • Experience of working with Suppliers, ODC partners or system vendors. 
  • Strong skills in team working, capability to share knowledge and to learn from others easily.
  • Ability to grasp, analyse and convey complex issues and their interactions within National Grid and Supplier Organisations. 
  • Aware of impact of both security and external regulations that impact operational technology systems (CNI)


What you'll get



A competitive salary between £33,000 - £45,000 per annum – 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.


At National Grid ESO, 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. 

We're committed to building a workforce that represents the communities we serve, and a working environment in which each individual feels valued, respected, fairly treated, and able to reach their full potential.