Fiduciary Accounting Specialist, Legacy Resolution

Company: Marsh & McLennan Companies
Apply for the Fiduciary Accounting Specialist, Legacy Resolution
Location: Witham
Job Description:

Overview

In this Fiduciary Accounting Specialist role, you will manage accounting and settlement tasks for aged or complex client matters within the Fiduciary Team. You’ll work with cross-functional colleagues to resolve issues, support process improvement, and ensure accurate cash handling and reinsurance transactions. The position combines autonomy with collaboration, offering hybrid work and exposure to high-stakes client accounts. You’ll contribute to a resilient control environment and meaningful client outcomes.

Pay / Benefits

  • hybrid working
  • professional development opportunities
  • supportive leadership
  • inclusive culture

Responsibilities

  • Own workload and define cases/issues when needed
  • Provide root cause analysis and help develop improved processes
  • Support reinsurance coverage assessment, processing of premiums/losses, and cash follow-up
  • Maintain clear audit trails for complex/historic matters
  • Prepare working papers supporting investigations and methodologies for management
  • Support wider CSS activities, including financial exposures reviews and KPIs
  • Manage the most complex client base with transactional processing and reinsurance recoveries
  • Coordinate with CSS and client-facing colleagues for a coordinated approach

Key requirements

  • Bureau, Accounts & Settlement knowledge
  • Experience with Open Twins, CLASS and IMR Systems (beneficial)
  • Track record in client account management and relationship management
  • Ability to manage workload and set expectations with clients and stakeholders
  • Data management and analytical skills
  • Strong client focus and problem-solving for payment queries
  • Client focus
  • Problem solving
  • Relationship management
  • Open Twins
  • CLASS
  • IMR Systems

Posted: September 14th, 2026