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Business Actuary Specialist – Life Insurance

Location: Brussels – Belgium

About the Role

We are seeking a Business Actuary Specialist to support a major transformation initiative involving the migration of individual life insurance policies. This role is ideal for someone with deep actuarial expertise and a passion for bridging technical analysis with business impact.

You’ll work closely with business analysts, IT teams, and actuaries to ensure the accuracy and integrity of actuarial calculations throughout the migration process.

Your Responsibilities

Actuarial Analysis & Tooling

• Analyze differences in product structures and actuarial calculations between legacy and target systems.
• Develop tools to simulate and validate migrated policy calculations.
• Evaluate changes in actuarial logic and support decision-making with clear insights.
• Provide actuarial support to business analysts on technical topics.

Testing

• Define and implement a testing strategy for actuarial calculations.
• Conduct both unit and mass testing to validate migrated data.
• Track testing progress and manage defect resolution.

Change Management & Documentation

• Document actuarial logic and calculations in detailed technical notes.
• Create tools and guides to help actuaries understand the new system.
• Develop user instructions and training materials.
• Train actuarial teams on the use of new tools and systems.

Your Profile

• Strong knowledge of individual life insurance products, including “Classique” offerings.
• Expertise in actuarial calculations and life insurance migrations.
• Proven experience as an actuary in similar transformation projects.
• University degree in actuarial science or mathematics (or equivalent experience).
• Minimum 5 years of experience in the life insurance sector.
• Fluent in French and English; Dutch is a plus.
• Familiar with at least one standard business/process analysis methodology.
• Highly structured, pragmatic, and detail-oriented.
• Strong communication skills with the ability to simplify complex actuarial topics.
• Client-focused, results-driven, and adaptable.