Senior Architecture / Transformation IT + Change

Project overview

Consultant Senior - Architecture & Transformation SI (freelance)

Project details

Île-de-France - on-site presence rhythm to be specified

Start Date: end of November / beginning of December 2026

initially until the end of February 2027 (~60 days), full-time

Languages: fluent French; fluent English essential (deliverables produced in English)

Experience: minimum 8 years in enterprise architecture and IT transformation topics

CONTEXT

Large international group, within an Enterprise Architecture function currently being structured. The mission covers two phases: first, mapping and rationalizing the application portfolio, then implementing architecture processes and their governance.

MISSIONS

Phase 1 - Application Component

Phase 2 - Architecture Processes and Governance

EXPECTED SKILLS

Essential

Appreciated

• Structure and tool an APM (Application Portfolio Management) approach, including the 4R assessment of the portfolio
• Lead application rationalization work and formulate trajectory recommendations
• Challenge and formalize the group's architecture principles
• Contribute to defining the blueprint for global platforms
• Map platforms / applications business capabilities
• Implement and manage the Design Authority: bodies, approval criteria, typical deliverables
• Structure EA processes and their interfaces with projects and run operations
• Support the transformation of the EA function: target organization, roles, responsibilities, maturity increase
• Lead the change management aspect and the adoption of the approach with stakeholders
• Proven experience in enterprise architecture and IT system transformation: CIO Office, application transformation, APM approach, platform blueprints
• Mastery of architecture governance processes (Design Authority, architecture committees, validation bodies)
• Ability to model an application portfolio and link it to a business capability map
• Ease in challenging senior stakeholders (CIOs, architects, business managers) and formalizing decision-making deliverables
• Professional level written English (deliverable production)
• Experience in Change Management applied to an IT transformation
• Target Operating Model / organizational transformation work
• Practice with a market APM tool (LeanIX, Ardoq, MEGA, Bizzdesign or equivalent)
• no tool is imposed at this stage
• TOGAF (not a prerequisite)
• Start: flexible
• Remote: hybrid
• Location: Clichy, France, FR
• Rate: 100-100 EUR/h
• Languages: French