Enterprise Integration Architect | EU Institution in Warsaw | Onsite

Joining KEYES means giving purpose to your talent.

Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES , we are not just looking for technical expertise; we are looking for people who share our values.

Do you want to continue your career and grow within one of Belgium’s leading IT companies?

Join KEYES as a Enterprise Integration Architect!

KEYES supports private and public organizations in Belgium and across Europe in their digital transformation by combining business expertise, technological mastery, and a long-term vision.

We support large enterprises, the public sector, healthcare organizations, and SMEs in all their digital challenges : Infrastructure & Cloud Solutions, Cybersecurity Solutions, Business Software Solutions, Mainframe Solutions, Data & AI Solutions, Advisory Solutions, and Staffing Solutions.

More information: www.keyes.eu

THE BACKGROUND

For our client, a European Institution based in Warsaw, we are looking for an experienced Enterprise Integration Architect to join a long-term mission in a cybersecurity and law enforcement environment .

You will play a key role in shaping and governing the architecture landscape, ensuring alignment between business strategy, ICT solutions, and long-term enterprise vision . This role combines strategic thinking with hands-on solution architecture , contributing directly to high-impact public sector initiatives.

YOUR MISSION

As an Enterprise Integration Architect, you will drive architectural excellence across projects and systems by:

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Defining and enforcing architecture standards, guidelines, and best practices

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Translating business needs into scalable, secure, and high-performing architectures

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Designing data, application, and technology architectures (including databases, analytics, and integration layers)

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Supporting solution delivery through design oversight, quality assurance, and change management

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Evaluating and selecting technologies aligned with enterprise strategy

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Ensuring performance, security, and scalability across systems

THE SCOPE

You will contribute to two main areas

I. Architecture Governance & Standards

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Define ICT architecture frameworks, standards, and guidelines

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Produce high-level and low-level designs supporting the architecture practice

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Ensure consistency across solutions and teams

II. Solution Architecture Services

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Provide hands-on architecture support to ICT projects

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Guide delivery teams on design decisions and implementation approaches

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Balance strategic alignment with practical, solution-level execution

YOUR RESPONSIBILITIES

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Design and maintain enterprise and solution architectures across the full lifecycle

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Analyse business requirements and map them to technical solutions and system capabilities

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Define data architecture, governance frameworks, and BI/analytics platforms

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Lead architectural support for projects (design, implementation, testing)

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Integrate systems and assess existing applications and services

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Produce clear documentation, architectural artefacts, and presentations

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Monitor system performance and drive continuous improvement

YOUR TEAM

You will join the ICT Architecture Team , responsible for providing architectural guidance and consultancy across software development initiatives. The role sits at the intersection of enterprise and solution architecture.