AISB-703 IT Sytem Architect

Brussels, Belgium

We are seeking an Expert IT System Architect to join our team and play a pivotal role in modernizing and harmonizing IT architectures. You will work in a complex technological environment combining legacy systems and modern cloud-based components. Your mission will be to ensure that architectural decisions support business goals, compliance standards (including NIS2), and the adoption of cloud-native practices.

Key Responsibilities 

  • Define, review, and maintain coherent, scalable, and secure cloud/hybrid architectures.
  • Translate enterprise architecture guidelines into actionable technical models.
  • Design aligned application and data architectures that are maintainable and high-performing.
  • Ensure architectural decisions support business objectives. 
  • Integrate security by design into architectural decisions.
  • Design secure architectures including network segmentation, IAM, access control, and encryption.
  • Translate NIS2 requirements into concrete technical measures.
  • Promote secure coding practices and implement supervision/audit mechanisms. 
  • Provide technical analyses for business projects.
  • Advise on integrations, data models, performance, and scalability.
  • Support teams in adopting architectural patterns and technologies.
  • Initiate or validate Proof-of-Concepts. 
  • Organize and lead design reviews.
  • Ensure compliance with architecture standards and best practices.
  • Continuously improve maintainability, security, and system decoupling.
  • Document architectural decisions systematically. 
  • Communicate effectively with business, development, security, and infrastructure teams.
  • Explain technical choices clearly and accessibly.
  • Support collective decision-making and align visions.
  • Contribute to team skill development. 
  • Analyze and solve complex technical challenges in an interconnected environment.
  • Ensure coherence between legacy and modern components.

Technical Skills Required

  • Advanced knowledge of containerization and orchestration (OpenShift)
  • Expertise in security standards, including NIS2
  • Strong experience in designing complex IT architectures
  • Advanced knowledge of relational databases (MySQL) and data modeling
  • Experience with resilient, high-availability architectures
  • Integrations: messaging, REST/GraphQL, event-driven systems
  • Expertise in modern Java (Spring, microservices, API-driven, event-driven)
  • Mastery of Cloud environments (GCP, Azure, AWS) and Cloud-native principles

Education & Certifications

  • Master’s degree in Computer Science or Engineering, or equivalent experience
  • Cloud or architectural certifications are a plus

Languages

  • French: Active knowledge
  • Dutch: Active knowledge
  • English: Active knowledge

Why Join Us?

  • Work on complex, high-impact IT architectures bridging legacy and cloud systems.
  • Contribute to secure, scalable, and compliant solutions in a forward-thinking environment.
  • Collaborate with a skilled and supportive team of architects and engineers.
  • Expand your expertise in cloud-native technologies, modern Java, and enterprise architecture.

Are you ready to design the next generation of IT architectures? Apply today and help us drive innovation and excellence in IT systems!

by ABAKUS IT-SOLUTIONS

Opportunities are numerous. From bare applications development to of IT infrastructures management including conception, architecture and requirements analysis.

Although open to technologies used by our customers, ABAKUS IT-SOLUTIONS seeks mainly but not only consultants mastering: Windows and Linux Servers, networks, developments (JAVA, SAP, .NET,…) as well as highly specialized experts for example in cybersecurity or in Content Management System (CMS) (SharePoint, Drupal, WebLogic…).

In terms of non-technical competencies, ABAKUS IT-SOLUTIONS hires dynamic persons, open to the world, interested by innovation and having a keen sense of client relationship.

A very good command of English is essential, the capacity to speak French, German or Dutch is an asset.

Even though most of our positions require at least 3 years of experience, some are open to new starters.

ABAKUS IT-SOLUTIONS works either in its premises or in our customer’s one, remote activities are sometime possible.
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