Senior Finance Data Analyst (Senior Finance Business Partner)

Who We Are

Join the Southern Region where your work truly matters.

Covering Wessex, Sussex, and Kent, the Southern Region is one of the busiest and most dynamic parts of the railway. Our teams keep some of the UK's most vital passenger and freight routes moving every single day.

This is a place where collaboration, innovation, and resilience are key and where your contribution will directly impact millions of journeys. We are entering an exciting new chapter as we integrate with train operating companies under one national leadership, creating even greater opportunities to shape the future of rail.

From supporting major modernisation programmes to improving performance for local communities and enhancing safety across complex operational environments, Southern offers a fast-paced, rewarding environment to grow your career and make a real difference.

About The Role

Are you a strategic thinker with a passion for partnering, influencing, and shaping business success through data and insight? We're looking for a confident and collaborative Senior Finance Business Partner with strong data, modelling and business intelligence capability to join our senior leadership community.

In this role, you'll work at the heart of decision making, providing high quality financial insight, advanced analytical modelling and robust BI solutions that help leaders understand performance, risks and opportunities.

You'll form trusted relationships with senior leaders, translate complex financial and operational requirements into clear insight, and ensure financial thinking is embedded into planning, forecasting and delivery.

If you're motivated by improving business performance, building scalable financial models, and enabling informed, future focused decisions through high-quality data, this is the opportunity for you.

This is a part-time opportunity for 12 months.

What You'll Be Doing

As an integral member of the senior leadership team, you will:

Be a Strategic Partner

Work closely with business leaders to proactively identify, plan and meet financial needs, using data led insight and modelling to drive performance improvements across the organisation.

Provide Technical Financial And Analytical Insight

Consolidate and critically review periodic results and forecasts, developing robust analytical models and dashboards that clearly highlight risks, opportunities and efficiencies.

Lead Business Intelligence And Financial Modelling

Own and maintain core financial and BI models, ensuring they are accurate, well¿controlled and aligned to business needs, supporting forecasting, budgeting and long¿term planning.

Ensure High¿quality Financial Governance

Provide professional guidance on accounting standards and financial controls, ensuring outputs remain compliant, reliable and decision¿ready.

Lead The Preparation Of Business Plans And Budgets

Oversee periodic accounts, analysis and planning activity, ensuring outputs are supported by strong data quality, transparent assumptions and clear financial logic.

Influence Key Cost And Income Drivers

Develop a deep understanding of performance drivers, translating complex datasets into clear insight that supports an achievable and aligned annual plan.

Coach And Challenge Senior Budget Holders

Support leaders to understand the financial impact of their decisions, strengthening financial capability and accountability through insight¿led discussion.

Drive Efficiency And Value For Money

Proactively challenge submissions and modelling assumptions, identifying opportunities to improve efficiency, reduce cost and optimise resource use.

Lead KPI Delivery And Insight

Own key functional metrics and dashboards, identifying trends, risks and performance issues, and clearly communicating insight to senior stakeholders.

Champion Strong Financial Leadership

Lead financial discussions and forums, ensuring decisions are rooted in strong governance, robust analysis and clear understanding of financial risk.

Shape Future Growth

Support leaders in evaluating investment cases, assessing new opportunities and ensuring decisions are supported by sound financial and analytical modelling.

Your Experience And Skills

Job Skills, Experience and Qualifications

Essential

• Membership (or working towards membership) of a relevant accounting body (CIMA / ACCA / ICAEW) or equivalent experience.
• Excellent stakeholder engagement and communication skills across all levels, including customers, third-party representatives, business leaders and functional teams.
• Proven experience working in a complex financial environment, with strong financial control, governance, forward planning and risk management.
• Demonstrable experience of budget management, forecasting and performance reporting, supported by robust analytical models and insight.
• Significant experience managing ambiguity, using strong evaluation, analytical and decision-making skills.
• Strong technical finance and accounting knowledge, applied within a complex and commercial environment.
• Degree level education in a relevant discipline (e.g. accounting, finance, business management) or equivalent experience.
• Strong experience in financial modelling, data analysis and interpretation of large, complex datasets.

Desirable

• Full membership of a relevant professional accounting body (CIMA / ACCA / ICAEW).
• Experience of Oracle based finance systems.
• Experience across multiple finance disciplines.
• Knowledge of government accounting and financial governance frameworks.
• Understanding of project management principles and experience supporting complex projects.
• Experience with business intelligence tools (e.g. Power BI), advanced Excel and data led financial reporting.

How To Apply

Band & Salary: £55,596 - £67,813

Vacancy type: FTC for 12 months on a part time basis

Location: London Blackfriars

Closing date: 24th July 2026

We're an organisation where people matter. We matter to millions.

We Offer Excellent Benefits, Including

• Generous annual leave with the option to buy/sell days.
• Defined benefit pension scheme.
• 75% subsidy on rail and underground season tickets.
• Up to 75% off leisure travel
• Carer's leave to support those who matter.
• Healthcare Scheme, GymPass discounts, Cycle to work plus more.
• We offer generous maternity, paternity, and adoption leave to support our employees during significant life moments

Discover all our benefits and what life is like at Network Rail.- click here

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Small actions lead to big impact. The way we collect and use data helps keep our teams safe and our network resilient. Find out more in this short video: Why we need diversity data

We're proud to champion a diverse and inclusive workplace that reflects the communities we serve. To explore our ED&I commitments, https://www.networkrail.co.uk/who-we-are/diversity-and-inclusion/.

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