Lead Business and Migration Analyst

MC Expert

Brussels, Belgiumonsitecontractsenior

We are looking for a Lead Business and Migration Analyst to support the implementation of a new digital platform. The role involves overseeing application configuration, data migration, and ensuring that key users understand the new system. The ideal candidate will have extensive experience in business analysis, data migrations, and UAT processes.

Description (English)

Lead Business & Migration Analyst

•Project Context

The Bridges platform is the central digital platform for managing:

•member administration

•contributions and financial flows

•premiums and reimbursements

•administrative and financial processes

•other applications such as CMS, Sherpa, Lighthouse, Enterprises & Social elections (not in scope phase 1)

The platform replaces legacy applications and forms the core of modern application architecture. The intention is to roll out the platform, which is already operational in a sister organization, to a new Central. Although the core activities are similar, the Central operates with:

•its own social funds

•its own contribution categories

•its own financial flows and account numbers

•specific operational processes

•…

This requires custom configuration and possibly adjustments to the software. The initial implementation focus is on the applications:

•Persons & Collections

•Premiums

•Project Phasing

The implementation of Bridges for the Central occurs in three phases.
Phase 1 – Deployment, configuration, and migration preparation
This phase includes:

•rollout of infrastructure and application environment

•configuration of Bridges tailored to the Central

•preparation and execution of three iterations of data migration

•setting up an operational UAT environment

•guiding key users to understand the new application environment

•validation of migrations by the business

•analysis of differences between current operations and Bridges

The result of phase 1 is:

•an operational UAT environment

•a validated migration

•a complete fit-gap analysis

•a report of missing functionalities

Phase 2 – Development of missing functionalities (not in scope)
Based on the fit-gap analysis:

•necessary new functionalities will be developed

•existing functionalities will be adjusted

•validations will be conducted with the business

Phase 3 – Production rollout (not in scope)
This phase includes:

•production rollout of infrastructure and application

•user training

•change management

•final migration

•go-live of the platform.

•Role Objective

For phase 1, a Lead Business & Migration Analyst – Bridges is appointed in the Central. His role is to support the responsible person for the business implementation of the new system by assisting him at technical, operational, and coordination levels. He/she takes on the operational coordination and communication with the technical teams.

This person ensures that:

•the application is correctly configured for the Central

•the data migration proceeds in a controlled and validated manner

•key users understand and can validate the new applications

•the differences between Bridges and the needs of the Central are clearly identified

•the schedule is respected

•Responsibilities

Application implementation and configuration
The Lead Business & Migration Analyst:

•guides the rollout of the Bridges applications and environments

•configures the application tailored to the Central, including:

o contribution categories
o social funds
o account numbers
o parameters for premiums and payments

•coordinates with technical teams on deployment and environments

•directs the technical specialist responsible for executing the data migrations

•directs the QA engineer who tests the application and migrated data prior to validation by key users

In this role, he/she ensures that migrations, testing, and configurations are carried out in a timely and correct order, allowing UAT validation by key users to take place in a stable and controlled environment.

Migration coordination
The role includes preparing and guiding data migrations:

•defining migration rules and data mapping

•organizing three iterations of migration

•setting up data quality controls and reconciliation

•coordinating validation by key users

The Lead Business & Migration Analyst directly supervises the technical specialist responsible for executing the migration.

UAT process
The role ensures a structured validation of the applications:

•setting up a UAT environment

•defining test scenarios and validation criteria

•preparing and following up with key users during the validation process

•tracking feedback and defects.

Preparation and organization of Workshops and training
The Lead Business & Migration Analyst organizes workshops around the validation of migrations. He/She prepares training for key users.
Fit-gap analysis
The role includes analyzing differences between:

•the existing functionalities of Bridges

•the specific needs of the Central

This results in:

•documentation of missing functionalities

•preparation of a structured fit-gap report in preparation for phase 2.

•A specifications document

•Governance and collaboration

The Lead Business & Migration Analyst assists the person responsible for the business implementation of the new system. In this role:

•he/she builds a thorough knowledge of the Bridges core applications

•understands the needs and context of the Central and formulates substantiated advice

•monitors the schedule and progress of phase 1

•timely signals risks or dependencies

•acts as a central figure between the business implementation responsible for the Central and the Bridges development teams

•ensures that the necessary functional and technical information is quickly identified, shared, and documented.

•Deliverables of phase 1

The role leads to the following concrete results:

•operational UAT environment

•three iterations of data migration

•migration validated by the business

•documented configuration of Bridges for the Central

•fit-gap analysis

•prioritized development list for phase 2

•specifications document

•Profile

Experience

•extensive experience in business analysis or application implementations

•experience with data migrations

•experience with UAT processes

•experience in complex application environments

Competencies

•strong analytical skills

•ability to structure complex trajectories

•stakeholder management

•strong communication skills

•professional knowledge of French

Advantages

•experience with financial or administrative systems

•experience with migrations from legacy systems

•experience with change management.

Competitive

Job Info

Type

contract

Level

senior

Work

onsite

Salary

Competitive

Posted

Apr 16, 2026

Start Date

Apr 24, 2026

Deadline

May 15, 2026