Portfolio Data Analyst

About the role

National Grid Electricity Transmission (NGET) is at the heart of energy in the UK. The electricity we provide gets the nation to work, powers schools and brings energy to life. Our energy network connects the nation, so it’s essential that it’s continually evolving, advancing, and improving.

As Portfolio Data Analyst, you’ll manage and control changes to a portfolio of assets by working with multiple stakeholders regularly. Analysing and reporting on cost, scope, and volume changes, you’ll provide a monthly performance reporting pack to show the overall portfolio position, providing narrative to highlight reasons for any changes.  You’ll also carry out impact analyses to determine and assess the impact of changes against regulatory allowances and business targets.

Analysing and highlighting the risks to the overall portfolio delivery, you’ll work with stakeholders to mitigate these risks and deliver commitments, as well as support team activities for regulatory reporting.

You’ll be based at our office in Warwick for one day per week and this can be combined with hybrid working from home.

What you'll need

With excellent skills in MS Excel and PowerBI, including complex formulae, you’ll have experience of data analysis and business reporting and be able to present information in a concise manner.

You’ll also have experience in managing stakeholder relationships, coupled with presentation skills and being able to engage and influence stakeholders.

Excellent communication skills, including written and verbal, are key as is the ability to use your own initiative and make decisions.

In addition, you’ll have a proven track record within a commercial environment.

We welcome graduates in Maths and Science fields. A passion for finding better ways to do things and a commitment to high-quality work are essential. Having some experience in a business setting is a bonus.

What's in it for you?

A competitive salary of £47,400 – £58,000 per annum

• Annual Performance Based Bonus
• 26 days annual leave, plus eight statutory days 
• The option to buy additional or sell holiday days 
• Generous contributory pension scheme - we will double-match your contribution to a maximum company contribution of 12%
• Financial support to help cover the cost of professional membership subscriptions, course fees, books, exam fees and time off for study leave – so long as it is relevant to your role
• Access to several 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.
• Family care benefits including a back-up care service for when your usual care arrangements fall through (six paid days each year as standard with the option to purchase further days)
• Access to a numerous apps which support health, fitness and wellbeing.

More Information

This role closes at midnight on 24th November 2025, however we encourage candidates to submit their application as early as possible and not wait until the published closing date as this can vary. 

Don’t meet every single requirement? At National Grid, we are committed to building a diverse, inclusive and authentic workplace for everyone. So if you are excited about this role but your experience or qualifications do not match the job description exactly, we encourage you to apply anyway. You might just be the right person for our growing business in this role or another one.  

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