Senior Enterprise Architect specialized in Build vs Buy and CRM strategy

Job Title:

Senior Enterprise Architect specialized in Build vs Buy and CRM strategy

Location:

1030 Brussels, Belgium Duration: 02/11/2026
- 11/12/2026 with extension Mode of work: Hybrid (2
- 3 days onsite per week) Languages: French

Job Description
In this context, several studies have already been carried out. CRM Feasibility Study An initial study concluded that the implementation of the Salesforce-based regional CRM was relevant in order to gradually replace several existing applications and centralize business processes. This study included a needs analysis, an implementation roadmap, a budget estimate and a business case. Salesforce study on business compatibility, especially for approval management A second mission, carried out in 2026, made it possible to: to analyse the business complexity of the CLIENT; to carry out workshops with the business teams; produce detailed mock-ups; model processes; Define a target architecture. Develop a transformation roadmap. Establish a functional backlog structured in the form of epics and needs. Confirm the feasibility of implementing Salesforce. provide a budget estimate, both in terms of investment and operation. Preliminary Benchmarking A comparative analysis was then carried out between Salesforce, Microsoft Dynamics 365 / Power Platform, Odoo and custom development, in order to identify possible alternatives to the Salesforce solution. This study has provided initial elements of comparison, but does not allow a final decision to be made at this stage. CLIENT therefore already has a set of elements constituting an important basis for the work of this mission. Defined functional scope The following processes have already been studied: management of approvals; management of inspections; beneficiary management; management of management standards; management of FTE sheets; management of receipts; payment management; document management; management of contacts and associations; communication with non-profit organisations; Reporting and management. Defined business backlog The needs have already been formalized in different forms: epics; user stories; user journeys; models; Target BPMNs. Documented Salesforce Solution The following already exists: target architecture; functional models; data model; BPMN; roadmap; business case; ROI analysis; Change Management Analysis. The studies previously carried out constitute the starting point for this mission and must be considered as the baseline. The service provider is therefore not expected to restart the analyses already carried out or to redefine the business needs. The work will focus on consolidating existing elements and making an in-depth comparison of the different solutions envisaged. As such, the purpose of the mission is not to: the completion of a new feasibility study; the complete reopening of the business workshops; the redefinition of the functional scope; Rebuilding the existing backlog. the questioning of needs already documented. The objective is to provide CLIENT management with a final file allowing the following three scenarios to be compared: Scenario 1 Regional CRM based on Salesforce Public Sector Solutions. Scenario 2 Microsoft Dynamics 365 et Power Platform. Scenario 3 Tailor-made development carried out by the CLIENT. The bidder will use the existing documents provided by CLIENT as a basis for work. Expected work Comparative functional analysis The service provider will carry out a detailed analysis of the functional coverage of the needs already identified by the CLIENT. This analysis will take the form of a Fit-Gap matrix to compare the three scenarios studied: Salesforce Public Sector Solutions; Microsoft Dynamics 365 / Power Platform; a solution developed specifically to meet the needs of the CLIENT. For each requirement included in the reference documents, the service provider will specify in particular whether it is: natively covered; covered by configuration; covered by a specific development; covered by means of integration; not covered. The objective is to allow CLIENT to concretely assess the adequacy of each solution with the business needs already identified. Analysis and comparison of architectures For each of the scenarios, the provider will produce an analysis of the target architecture. This analysis will address: the components used; accommodation; Identity management and authentication security; integrations with the existing ecosystem; governance; exploitation; the support; maintenance and future developments. Particular attention will be paid to the technical and organizational dependencies specific to each solution. Economic analysis The provider will carry out a homogeneous economic comparison of the three scenarios on the basis of clearly documented assumptions. Investment costs The analysis will include: analysis and design; configuration or development; integration; migration; testing; training; change management. Recurring costs The analysis will incl