Lead Modeller – Business Planning

Lead Modeller – Business Planning

Department: Actuarial

Employment Type: Permanent - Full Time

Location: UK (London)

London

Hybrid, two days in office

Permanent / full-time

We are a fast-growing global reinsurance speciality company servicing the insurance markets of Lloyd’s, Europe and North America.

Due to growth, we’re looking for our very first Lead Modeller to design, build and govern our Business Plan Model (BPM)—a core tool underpinning strategic Group decisions across forecasting, valuation, capital allocation and long‑term planning.

Reporting to the Head of Capital in Actuarial, you’ll bridge technical model development, capital management and strategic financial analysis, ensuring the BPM remains accurate, transparent, auditable and aligned to Group standards.

• Lead the development and execution of the BPM to support budgeting, forecasting and long term planning.
• Deliver scenario and sensitivity analysis to support management and board-level decisions.
• Own version control, integrity checks and documentation to ensure transparency and auditability.
• Partner with Finance, Pricing, Reserving, Underwriting, Claims and Treasury to turn modelling outputs into actionable insights.
• Support underwriting transactions, investment appraisals and strategic initiatives with robust modelling and analysis.
• Present complex outputs clearly to non-financial stakeholders.

• Right to work in this location
• Professional actuarial or accounting qualification (e.g., ACA/ACCA/CIMA/CFA/AIA/FIA or equivalent).
• 5–10 years’ financial modelling experience within a (re) insurance environment.
• Proven experience leading (re) insurance business planning model development/review.
• Advanced Excel modelling expertise (incl. structured references, dynamic arrays, Power Query/Power Pivot, VBA).
• Strong knowledge of Capital Management and Solvency II and/or BSCR frameworks.
• Deterministic modelling experience required; stochastic experience advantageous.
• Contributing positively to our culture and values.

• Competitive salary & annual bonus
• A health & wellbeing subsidy (£20 per month) (from Day
  1)