Interim Senior Finance Analyst

JSS; Reading; On-site; GBP 55,000 - 75,000; Full time

Job summary

JSS seeks an Interim Senior Finance Analyst in Reading to deliver a hands-on analytics project within the commercial finance function, supporting the CFO. The role centers on consolidating customer-level financial data for two strategic accounts and turning fragmented information into clear insights for account management teams.

The successful candidate will be hands-on, experienced in data consolidation, analysis, and reporting, and able to work independently in a fast-paced environment with

Qualifications

• Qualified Accountant with FP&A or data-led finance experience.
• Immediately available or short notice.
• Advanced Excel and Power BI experience.
• Experience consolidating, analyzing and reporting data.
• Able to work independently in a fast-paced environment.
• Confident engaging with commercial/account teams.

Responsibilities

• Consolidate and structure customer data and reports for two key accounts.
• Build a single customer information inventory from multiple sources.
• Analyze data to provide clear, actionable insights for internal stakeholders.
• Prepare and deliver concise packs or dashboards for account management teams.
• Work through incomplete, messy data to bring structure and clarity.
• Engage with commercial/account teams to ensure outputs are practical.

Skills

Advanced Excel

Data consolidation

Data analysis

Reporting

Independent working

Stakeholder engagement

Education

Qualified Accountant

Tools

Power BI

Excel

Reporting tools

Job description

JSS are supporting a leading business based in Reading with the appointment of an Interim Senior Finance Analyst to deliver a hands on analytics project within the commercial finance function. Supporting the CFO, this role centres on consolidating customer level financial and performance data for two strategic customer accounts, turning fragmented information into clear insights that can be shared with account management teams. This is a delivery driven, hands‑on role.

Key Responsibilities:

• Consolidate and structure existing customer‑level data and reports (financial, commercial, and operational) for two key customer accounts
• Build a single, coherent customer information inventory, pulling together multiple data sources and reports
• Analyse and interpret data to produce clear, actionable insight for internal stakeholders
• Prepare and deliver concise play back materials (e.g. packs, dashboards, or summaries) to support account management teams
• Work comfortably through incomplete, messy, or inconsistent data, bringing structure and clarity
• Engage directly with commercial and account teams to ensure outputs are practical, relevant, and usable

Candidate Profile:

• Qualified Accountant
• Immediately available or short notice
• Background in FP&A or data‑led finance roles
• Advanced Excel essential; Power BI / reporting tools beneficial
• Strong hands‑on experience in data consolidation, analysis, and reporting
• Comfortable working independently in a fast‑paced environment with limited direction
• Confident engaging with non‑finance stakeholders, particularly commercial or account teams