Investment Accountant ET

National Grid plc; Warwick; On-site; GBP 51,000 - 63,000; Full time

Benefits offered by this job

Bonus based on performance

Pension with employee match up to 12%

Share incentive plan

Technology schemes

Employee assistance lines

Matched charity giving

Job summary

National Grid plc is seeking an Investment Accountant to support project-level financial reporting, forecasts, and cost tracking within the Capital Accounting Business Process team. The role is based in Warwick and offers some in-office flexibility with at least two days per week in the office.

You will work with finance partners, manage month-end reporting, and ensure accurate recognition of project costs, helping drive informed decision-making for ET and SI portfolios.

Qualifications

• Fully Qualified Accountant (ACA, ACCA, CIMA etc).
• Experience with budgeting, forecasting and financial reporting in a large international setting.

Responsibilities

• Build and maintain financial reports detailing project spend (ET/SI portfolios).
• Set up projects in line with approvals to accurately account for costs.
• Collaborate with finance partners and project teams to reflect progress in actual and forecast costs.

Skills

Organisational skills

Communication skills

Stakeholder management

Data management

Ability to work independently

Excel/data manipulation

Education

ACA/ACCA/CIMA

Tools

Excel

Job description

Team Finance Business Unit Finance and Enterprise Business Services Requisition No. 12678 City Warwick, GB, CV34 6DA Date posted 21 October 2026

At National Grid, our commitment to a cleaner, greener energy future is powered by the dedication and ingenuity of our people. Join our team as an Investment Accountant and be a part of something bigger, where your unique skills and passions can make a real difference. Together, we are superpowered.

We're looking for passionate Investment Accountants to join our Capital Accounting Business Process team. The role involves providing financial support to various projects, focusing on proactively managing information, forecasts, and financial reporting for projects. This includes ensuring accurate financial tracking and analysis to support project management and decision-making, ultimately contributing to the successful delivery of initiatives.

This role is based out of our Warwick office, and we'd hope to see you at least two days per week but you're welcome to be in the office more often if that would work best for you. We're happy to discuss any additional flexibility in working patterns or requirements that you feel could help to make this job work for you!

What You'll Do

• Ensure suitable financial reports are built and maintained, detailing spend by project for the Electricity Transmission (ET) / Strategic Infrastructure (SI) portfolios.
• Ensure that following approvals projects are set up in a timely manner to accurately account for project costs in accordance with the approved ET/SI investment proposal papers.
• Collaborate with stakeholders including finance business partners and project teams to ensure that actual and forecast project costs are thorough, comprehensive and reflect project progress.
• Ensure that project costs are recognised in the books based on value of work done principles, where possible provided directly from our partners.
• Provide accurate, timely and consistent month end reporting in accordance with Finance timetables to project managers and programme delivery managers.
• Run forecast, consolidation and review processes to provide robust monthly forecasts for in-flight and unsanctioned projects, accurately allocated, and including risks & opportunities.
• Support processes to ensure that approved forecasts and annual budgets and business plans are input into local financial systems in an efficient and accurate way, in accordance with financial timetables.
• Ensure that the regional financial controls in operation are efficient and effective and, in conjunction with Shared Services teams, ensure compliance with accounting policies and regulatory requirements.
• Work in partnership with UK Shared Services accounting teams, ensuring the accuracy, completeness and appropriateness of all management accounts and reporting statements.

What You'll Have

• Fully Qualified Accountant (ACA, ACCA, CIMA etc).
• Experience of major accounting systems, budgeting and forecasting, financial performance reporting and engagement with business management, preferably in a large, international corporate setting.
• Business Capabilities – Commerciality / Customer / Data management / Stakeholder management.
• Strong organisational skills.
• Strong ownership to support implementation of the new financial processes through to successful conclusion.
• Strong communication skills including ability to clearly articulate what is required by whom and by when.
• Ability to positively influence behaviours of all involved in the electricity projects financial processes, both finance and non-finance.
• Ability to work well under own initiative and within wider team.
• Good levels of Excel and data manipulation skills.

Don't meet every single requirement? Studies have shown that women and people of colour are less likely to apply for jobs unless they meet every single qualification. At National Grid, we are committed to building a diverse, inclusive, and authentic workplace for everyone. So, if you're excited about this role but your experience or qualifications don't 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.

What You'll Get

Up to £57,000 depending on experience.

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

Further Information

The closing date for this vacancy is Midnight 4 November 26, with interviews due to take place w/c 9 November 26 onwards. We encourage candidates to submit their applications as early as possible and not to wait until the published closing date. National Grid’s recruitment periods can and may vary. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process.

About us

Every day we deliver safe and secure energy to homes, communities, and businesses. We are there when people need us the most. We connect people to the energy they need for the lives they live. The pace of change in society and our industry is accelerating and our expertise and track record puts us in an unparalleled position to shape the sustainable future of our industry. To be successful we must anticipate the needs of our customers, reducing the cost of energy delivery today and pioneering the flexible energy systems of tomorrow. This requires us to deliver on our promises and always look for new opportunities to grow, both ourselves and our business

Inclusion and Diversity is not just about race, ethnicity, gender, or sexual orientation. It is about our employees who wake up every day to serve our 20 million customers. At National Grid, we aim to create an environment where everyone is welcomed for who they are and where our differences are not only accepted but are celebrated. We understand the value that a diverse team can add to our organisation and that is why we model inclusive behaviour starting with senior leadership. National Grid utilises the insights of our employees that come from all different cultures, backgrounds, and beliefs to better serve our customers and communities who are in the fore front of everything we do.

Safety, Health, Environment and Resilience

National Grid operates in both the UK and US, with a broad portfolio of energy businesses dedicated to providing safe, reliable, and sustainable power.

From electricity and gas transmission to advancing clean energy and modernising grids, our work covers every aspect of the energy system.

Our energy flows through absolutely everything we do

Life here at National Grid is more than just our purpose or our values, it’s everything we put into everything we do. It’s our commitment to diversity and inclusion; how we help our employees learn and grow; and how we partner with and support the communities where we live and work. It’s all this, and so much more.

We leverage our collective strengths to do meaningful BIG work so that we can be at the heart of a fair and affordable energy future.

Your salary is reviewed each year against the market for your role, skills, knowledge and experience.

Incentive

Annual performance plan or bonus (depending on your role) rewards your contribution to our success each year.

Retirement

Generous pension plan with company contributions up to 12%.

Private medical insurance for self and family.