Enterprise Architect

ENGIE; La Garenne-Colombes; On-site; EUR 110,000 - 140,000; Full time

Job summary

ENGIE Group in France seeks an Enterprise Architect ENGIE ONE B2B to own the enterprise architecture practice and drive digital transformation across BeeStone, InfiniSales and One Pulse. You will lead governance, define target landscapes, and engage leadership while ensuring data architecture alignment with Group standards.

Fluent in English and French, this senior role requires 12+ years in IT with 5+ years in enterprise architecture and a proven track record in data-intensive transformations

Qualifications

• Mastery of EA practices: governance, patterns, tooling with LeanIX recommended.
• Define target architectures and manage transformation roadmaps.
• Strong data architecture patterns: data lakehouse, data mesh, data fabric.
• Experience in leading data-intensive digital transformations.

Responsibilities

• Own the enterprise architecture practice for ENGIE ONE B2B with governance and community.
• Define as-is and to-be application landscape across BeeStone, InfiniSales and One Pulse.
• Lead data architecture including data mesh, lakehouse patterns and data contracts.
• Engage C-level and business leadership to drive digital transformation.

Skills

Enterprise Architecture

B2B business knowledge

Leadership

LeanIX

Data architecture

Data mesh

Cloud platforms

Data governance

Education

Master's degree in Computer Science / IS / Engineering

TOGAF certification

DAMA CDMP or equivalent

Tools

LeanIX

Azure

AWS

Databricks

Snowflake

Power BI

Job description

DataLakehouse, DataMesh, DataFabric;

Master Data Management (MDM) ;

ENGLISH VERSION

Hiring Manager: CIO ENGIE ONE B2B

About ENGIE and Supply & Energy Management:

ENGIE, a global leader in low-carbon energy and services, relies on its Global Business Unit Supply & Energy Management (GBU S&EM) to provide reliable, sustainable, and affordable energy to all its customers. This strategic unitoptimizesthe Group’s and clients’ production assets and designs tailored energy solutions for our 200,000 professional clients and 15 million consumers.

The Global Business Unit Supply & Energy Management leverages ENGIE’s assets to deliver secure and sustainable energy to its B2B and B2C customers. It uses itsexpertisein energy management to provide decarbonized electricity 24/7.

Joining Supply & Energy Management means becoming part of a team of over 10,000 passionate experts spread across 20 countries, all united by a shared mission: shaping a greener and more efficient energy future. Together, we push the boundaries of innovation to deliver decarbonized energy 24/7. Join us and be part of those shaping the energy of tomorrow!

Context

ENGIE ONE B2B is the commercial entity of the ENGIE Group dedicated to professional customers — corporations, publicauthoritiesand industrial players — covering the sale and management of energy solutions (gas, electricity, energy efficiency services, flexibility).

In a context of accelerating energy transition and increasing competitive pressure on B2B markets, ENGIE ONE B2B is embarking on a major digital transformation tomoderniseits information systems, strengthen its data orientation and improve commercial and operational efficiency.

The IT transformation agenda is structured around three strategicprogrammes, for which the Enterprise Architect is the overall guardian of architectural coherence:

BeeStone — Core system transformation: contract management, billing, energy operations (back-office & middle-office).

One Pulse — Data & Analytics transformation: unified data platform, 360° B2B customer view, data mesh,MDMand data governance.

The Enterprise Architecture function, anchored in the Group Digital IT policy, ensures the coherence,robustnessand sustainability of the ENGIE ONE B2B application landscape. The Enterprise Architect holds a dual accountability: towards the Group (representingENGIE ONE B2B in Group Digital IT architecture bodies) and internally (sole owner of the enterprise architecture practice).

Your Mission

As Enterprise Architect ENGIE ONE B2B, your keyobjectivesare:

Own the enterprise architecture practice within ENGIE ONE B2B: governance,toolingand community.

Define andmaintainthe as-is and to-be application landscape of ENGIE ONE B2B.

Ensure architectural coherence acrossBeeStone,InfiniSalesand One Pulse.

Represent ENGIE ONE B2B in Group Digital IT architecture bodies (Group Architecture Board).

Lead the data architecture and data governance in support of the One Pulseprogramme.

Define the transformation andlegacydecommissioning roadmap.

Act as a trusted business partner for leadership on digital transformation topics.

Your main activities:

Architecture Governance —Organiseand chair Architecture Review Boards (ARB); own the Architecture Decision Record (ADR) process; represent ENGIE ONE B2B in Group Architecture Bodies; ensure compliance with Group Digital IT standards and policies.

BeeStone — Define andvalidateapplication and integration architecture; lead the decommissioning strategy for legacy applications; enforce resilience and high-availability requirements on core business systems.

InfiniSales — Validate CRM platform architecture choices and integration patterns; ensure connectivity between commercial front-office and back-office (BeeStone); supervise data flow architecture feeding analytics tools.

One Pulse — Lead end-to-end data architecture (ingestion, storage, transformation, exposure); define data architecture patterns (data mesh,lakehouse, data contracts); frame the unified customer repository and Master Data Management architecture.

IT Landscape & Target Architecture — Define andmaintainthe ENGIE ONE B2B target application architecture inLeanIX; define the transformation roadmap including sequencing,dependenciesand investment priorities; own the decommissioning strategy for legacy systems.

What we are looking for

We are looking for a rare profile combining three key dimensions: high-level enterprise architectureexpertise, strong functional knowledge in B2B business, and strong engagement capacity with business leadership.

Mastery of EA practices: governance, patterns, tooling (LeanIXstrongly recommended).

Defining target architectures and managing transformation roadmaps; legacymodernisationand decommissioning strategy.

Data architecture patterns: datalakehouse, data mesh, data fabric, data contracts & APIs.

Cloud data platforms: Azure Synapse, Databricks, Microsoft Fabric,Snowflakeor equivalent.

BI & reporting architecture (Power BI); ML/AI architecture,MLOps, data preparation for Generative AI.

Additional Knowledge

Cloud and hybrid infrastructure (Azure / AWS).

Cybersecurity principles and Group compliance frameworks.

Knowledge of the B2B energy sector (strong asset).

Soft Skills & Professional Posture

Business engagement & leadership — ability to build trust with C-levels and commercial directors,initiatestrategic conversations and advocate architecture recommendations with authority and clarity.

Communication & influence — ability to make architecture accessible to non-technical audiences; strong alignment capability without direct hierarchical authority.

Rigour& delivery orientation — strong ownership, personalaccountabilityand delivery focus; autonomous and reliable.

Community leadership — capacity to lead and grow an architecture community; comfortable in international and multicultural environments.

Language requirements (mandatory): Fluent English and French are bothrequiredfor this role.

Education & Certifications

Master's degree (or equivalent) in Computer Science, Information Systems or Engineering (required).

Enterprise Architecture certification: TOGAF or equivalent (strong asset).

Data Architecture: DAMA CDMP or equivalent certification (strong asset).

Cloud certification: Azure Solutions Architect, AWS or equivalent (asset).

Experience

12+ years of IT experience, including at least 5 yearsinenterprise architecture across complex, multi-programmeenvironments.

Proventrack recordin digital transformation contexts with a strong data dimension.

Experience leading transformationprogrammeswith significant business impact.

Experience in data-intensive sectors: energy, utilities, industry, B2B or equivalent (strong asset).

Joining ENGIE ONE B2B means taking on one of the most strategic architecture roles in the ENGIE Group, at the heart of a major digital transformationprogrammeencompassing three large-scaleprogrammes—BeeStone,InfiniSalesand One Pulse.

You will operate in a high-autonomy environment with direct impact on Group-level decisions, as the sole owner of the enterprise architecture practice for ENGIE ONE B2B, with a dual reporting line to the CIO ENGIE ONE B2B and the Group Digital IT Architecture Practice.

Diversity & Inclusion

If you meet these requirements, then you are the talent we are looking for.

At ENGIE S&EM, we are committed to fostering a gender-neutral and inclusive environment where everyone’s potential can thrive.

All our positions are open to people with disabilities . If you need any reasonableaccommodationsduring the recruitment process, please inform your recruiter — we will be happy to support you.

About ENGIE

ENGIE is a global leader in low-carbon energy and services , committed to accelerating the transition towards a carbon-neutral world . Our purpose (“raison d’être”) is clear: act to reduceenergy consumption and develop cleaner, more sustainable solutions that balance economic performance with a positive impact on people and the planet.

We rely on our core businesses — gas, power, renewable energy, and services — to deliver competitive, tailored solutions to our customers worldwide.

With 96,000 employees and a strong network of partners and stakeholders, ENGIE is more than a company: we are acommunity of Imaginative Builders , working every day to create harmonious, sustainable progress .

Company Name: ENGIE Group

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Maximum Base Salary:

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Why this matters to us

Our organisation is an equal opportunity employer and is committed to fostering a diverse and inclusive workplace. We offer reasonable accommodations upon request for individuals with disabilities.