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Acutary - DB Pensions - Lorien Impellam

Lorien ImpellamLondon🇬🇧United KingdomPosted 18 Sept 2026

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
London, United Kingdom
Posted
14 hours ago
ReconciliationRisk Management

Job Description

Actuary - DB Pensions

Hybrid Working

Financial Services

Lorien's leading Pensions and Investment client is looking for an experienced Actuary with strong expertise across pensions, life insurance and/or longevity reinsurance to support complex reinsurance administration, reconciliation and actuarial modelling activities.

The successful candidate will combine strong actuarial and commercial knowledge with hands-on experience of DB pension schemes, cashflow modelling and pension de-risking solutions. The role will also work closely with Technology and Data teams to enhance reinsurance systems, data processes and controls.

The Ideal candidate has strong hands-on experience working with DB Pension Schemes, and Cash Flow Modelling.

This role is working in a Hyrid Model of 2 days a week at a local site.

This role will be Via Umbrella.

Key Responsibilities

  • Complete detailed reinsurance reconciliations, ensuring administration aligns with underlying treaty terms.
  • Reconcile inception data, claims and premium projections, movements and lump-sum settlements.
  • Assess and implement reconciliation impacts on collateral calculations and produce clear management reporting.
  • Design and maintain sophisticated Excel cashflow models covering premiums, claims, lump sums and collateral valuations.
  • Ensure historic actuarial basis reviews have been implemented accurately.
  • Act as a key escalation point for dispute resolution, investigating issues and facilitating timely outcomes.
  • Establish robust modelling processes, documentation, audit trails and version controls to support governance and risk management.
  • Work with Technology, Data and Architecture teams to design and develop centralised reinsurance treaty administration capabilities.
  • Configure, test and validate reinsurance arrangements, including calculations, cashflows, collateral mechanics and contractual benefits.
  • Develop and test end-to-end data feeds, ensuring data accuracy, completeness and auditability.

Experience & Skills

  • 5+ years' experience within pensions, life insurance and/or longevity reinsurance.
  • Extensive experience completing reinsurance reconciliations.
  • In-depth knowledge of Defined Benefit (DB) pension schemes and interpretation of scheme rules.
  • Strong knowledge of benefit calculations including GMP, revaluation, increases in payment and early/late retirement adjustments.
  • Strong experience building actuarial cashflow projection models in Excel.
  • Good understanding of reinsurance treaties, premiums, claims and collateral calculations.
  • Strong analytical, reconciliation and problem-solving capability.
  • Ability to communicate complex actuarial issues clearly to both technical and non-technical stakeholders.
  • Experience working with Technology/Data teams on systems, data feeds, testing or reinsurance administration solutions.
  • Commercial knowledge of pension de-risking products, including bulk annuities and longevity swaps, is highly desirable.

IND_PC3

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

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