Data Analyst / Business Intelligence Analyst

Sizewell C; Greater London; Hybrid; GBP 45,000 - 50,000; Full time

Benefits offered by this job

Annual Leave 28 days + bank holidays (

Bonus Up to 5%

Pension Up to 7.5% employee + 15%

Career development opportunities

Job summary

Sizewell C is looking for a Data Analyst/BI Analyst to help turn complex data into insights for critical decisions. The role is hybrid with London-based work two days a week and some travel to Suffolk.

You will develop Power BI dashboards, analyse data from multiple sources, and implement reporting improvements across the programme. The position includes a London allowance and a strong progression path within a nationally significant project.

Qualifications

• Proven experience using Power BI, DAX, Power Query and Excel for reporting and data visualisation.
• Proven experience using Power Apps and Power Automate.
• Ability to gather business requirements and translate them into reporting solutions.
• Experience cleansing, transforming and analysing data from multiple sources.

Responsibilities

• Develop and maintain Power BI dashboards, reports and visualisations.
• Develop and maintain Power Apps for various functions/programmes.
• Analyse and interpret data from multiple systems and data sources.
• Produce KPI reporting, trend analysis, MI and insights.
• Work with stakeholders to understand reporting requirements and deliver practical solutions.
• Improve data quality and automate reporting processes.

Skills

Power BI

DAX

Power Query

Excel

Power Apps

Power Automate

Data analysis

Reporting

Education

Degree or equivalent in Data Analytics/BI or related

Tools

Power BI

Power Apps

Power Automate

SharePoint

Excel

Job description

Data Analyst / Business Intelligence Analyst

Location: Hybrid; London - 2 days per week; occasional travel to Suffolk when required

Salary: £45,000- £50,000 per annum (including £3,500) London allowance+ benefits

• Annual Leave: 28 days + bank holidays (rising to 30 days after 5 years)
• Bonus: Up to 5%
• Pension: Up to 7.5% employee + 15% employer contribution
• Career development and progression opportunities on a nationally significant programme

Closing Date: Sunday, 13 September 2026.

Help Deliver One of the UK's Largest Infrastructure Projects

Sizewell C is at the heart of Britain's energy future. We're looking for a talented Data Analyst / Business Intelligence Analyst (Internal job title: Programme Excellence & Innovation Technical Support) to join our Programme Excellence & Innovation team and help turn complex data into meaningful insights that support critical business decisions.

Working across a nationally significant infrastructure programme, you'll create dashboards, analyse performance data, improve reporting processes, and provide valuable insight that helps drive project success.

What You'll Be Doing

• Develop and maintain Power BI dashboards, reports and visualisations.
• Develop and maintain Power Apps for various functions / programmes
• Analyse and interpret data from multiple systems and data sources.
• Produce KPI reporting, trend analysis, management information and business insights.
• Work with stakeholders to understand reporting requirements and deliver practical solutions.
• Improve data quality, automate reporting processes and support continuous improvement initiatives.
• Utilise Power BI, Power Query, DAX, Excel, SharePoint, Power Apps and Power Automate and AI enabled technologies to drive efficiency and innovation.

What We're Looking For

You'll have experience working with data, reporting and business intelligence tools, alongside strong analytical and problem-solving skills.

Essential Skills

• Proven experience using Power BI, DAX, Power Query and Excel for reporting and data visualisation.
• Proven experience using Power Apps and Power Automate.
• Ability to gather business requirements and translate them into reporting solutions.
• Experience cleansing, transforming and analysing data from multiple sources.
• Strong attention to detail and excellent communication skills.
• Degree or equivalent experience in Data Analytics, Business Intelligence, Mathematics, Statistics, Computer Science, Engineering, Physics, Business Analytics or a related discipline.

Desirable

• Experience within infrastructure, energy, engineering, PMO or other regulated environments.
• Knowledge of ETL/ELT, data modelling and reporting best practice.
• Experience developing KPI dashboards, management information and performance reporting.

Why Join Sizewell C?

• Work on one of the UK's most ambitious infrastructure programmes
• Competitive salary and bonus
• Excellent pension scheme with up to 15% employer contribution
• Hybrid working environment
• Career development and progression opportunities
• Opportunity to shape how data drives decision-making across a major programme

Ready to Make an Impact?

If you're passionate about data, reporting, automation and creating meaningful insights that influence business decisions, we'd love to hear from you.