Interim Senior FP&A Analyst

Company: JSS
Apply for the Interim Senior FP&A Analyst
Location: London
Job Description:

An exciting opportunity has arisen for a commercially focused Senior FP&A Analyst to join a fast-growing, private equity-backed international business operating in a dynamic and innovative sector. Working closely with the FP&A Director and key business stakeholders, you will play a central role in budgeting, forecasting, performance analysis and business partnering, helping to drive financial performance and support future growth in a PE-backed environment.

Key Responsibilities

  • Lead key elements of the budgeting and forecasting process, including ownership of revenue and overhead planning.
  • Prepare monthly board packs and provide insightful commentary on business performance and KPIs.
  • Partner with department heads to analyse performance, challenge assumptions and support decision‑making.
  • Deliver project profitability analysis, margin optimisation and ad‑hoc commercial modelling.
  • Support month‑end reporting and variance analysis across the business.
  • Work closely with finance, operations and commercial teams to drive efficiencies and identify cost‑saving opportunities.
  • Develop financial models and dashboards to provide meaningful business insights.
  • Support strategic initiatives and ad‑hoc projects for senior leadership.

About You

  • ACA, ACCA or CIMA qualified.
  • 4+ years’ experience in FP&A, commercial finance or business partnering roles.
  • Strong financial modelling and analytical skills.
  • Experience managing large datasets and translating data into actionable insights.
  • Excellent stakeholder management and communication skills.
  • Advanced Excel skills, with Power BI experience highly desirable.
  • Experience within a PE-backed, B2B, technology, SaaS or high‑growth environment would be particularly advantageous.

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Posted: July 10th, 2026