Transition Lead

ThoughtLabs Belgium; Brussel; On-site; EUR 90,000 - 150,000; Full time

Job summary

Our Group seeks a Team Leader & Transition Manager to lead the IT Architecture team and oversee the merger of Architecture and Product teams into a single operating model within 3 months.

The role requires 10+ years in transition management with strong IT process knowledge (ITIL, TOGAF, ArchiMate) and experience in cloud-native architectures, microservices, and event-driven design.

Qualifications

• 10+ years in transition management and project management.
• Strong IT processes/methodologies knowledge (ITIL, TOGAF, ArchiMate).
• Experience with cloud-native architecture, microservices, and event-driven design.

Responsibilities

• Lead and execute the reorganization of Architecture & Product teams.
• Define governance, roles, and decision-making frameworks with Enterprise Architecture.
• Drive the transition plan and ensure delivery continuity and rapid adoption of the new operating model.
• Remove blockers, foster collaboration, and build team cohesion.

Skills

Team leadership

Transition management

ITIL

TOGAF

ArchiMate

DDD

Cloud-native

Microservices

Event-driven design

Sparx EA

Gartner TIME

Stakeholder engagement

Dutch or French

English

Tools

SciForma

Sparx EA

Job description

Mission:Our Group, a key player in the European energy landscape, is seeking a Team Leader & Transition Manager to join the IT Architecture team.This role combines leadership of Solution Architects with transition management, driving the merger of Architecture and Product teams into a single operating model within 3 months.You will contribute to building a sustainable, green, and reliable energy infrastructure that supports Europe’s energy transition.

This role combines leadership of Solution Architects with transition management, driving the merger of Architecture and Product teams into a single operating model within 3 months.You will contribute to building a sustainable, green, and reliable energy infrastructure that supports Europe’s energy transition.

Transition Management

• Lead and execute the reorganization of Architecture & Product teams.
• Define governance, roles, and decision‑making frameworks with Enterprise Architecture.
• Drive the transition plan, ensuring delivery continuity and rapid adoption of the new operating model.
• Remove organizational and stakeholder blockers, foster collaboration, and build team cohesion.
• Provide regular progress updates and pragmatic recommendations to leadership.
• Manage workforce allocation of Solution Architects across projects/products.
• Oversee request management and assignments in PPM tool (SciForma).
• Ensure standardized deliverables, quality controls, and operational follow‑up.
• Act as facilitator, translating vision into operational actions.
• Serve as a member of the IT Architecture steering group.
• 10+ years experience in transition management & project management.
• Strong background in IT processes/methodologies (ITIL, TOGAF, ArchiMate, DDD).
• Experience with cloud‑native architecture, microservices, event‑driven design.
• Familiarity with Gartner frameworks (e.g., TIME for APM).
• Skilled in modeling tools (Sparx EA or similar).
• Strong collaboration, presentation, and stakeholder engagement skills.
• Languages:Good level of Dutch and/or French, plus English.
• Real‑world experience in agile IT product delivery is a plus.
• Experience in merger/transformation contexts is an asset.
• Practical Details:
• Work regime: 100%
• Eligibility: Non‑EU candidates must hold a valid Belgian work & residence permit.

Why Join?

• Work at the forefront of Europe’s energy transition.
• Opportunity to shape IT architecture operating models in a high‑impact environment.
• Positive work culture with strong focus on well‑being.
• Diverse, inclusive team driving innovation and sustainability.