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:

Defining and enforcing architecture standards, guidelines, and best practices

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

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

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

Evaluating and selecting technologies aligned with enterprise strategy

Ensuring performance, security, and scalability across systems

THE SCOPE

You will contribute to two main areas

I. Architecture Governance & Standards

Define ICT architecture frameworks, standards, and guidelines

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

Ensure consistency across solutions and teams

II. Solution Architecture Services

Provide hands-on architecture support to ICT projects

Guide delivery teams on design decisions and implementation approaches

Balance strategic alignment with practical, solution-level execution

YOUR RESPONSIBILITIES

Design and maintain enterprise and solution architectures across the full lifecycle

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

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

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

Integrate systems and assess existing applications and services

Produce clear documentation, architectural artefacts, and presentations

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.