Job Description

Senior IT Infrastructure / Application Architect

We are looking for a Senior IT Infrastructure & Application Architect to support a large-scale digital platform responsible for managing and optimizing operational processes, service delivery, and stakeholder coordination within a complex public-sector environment. The role combines architecture leadership, incident governance, infrastructure oversight, and technical coordination to ensure secure, scalable, and high-performing IT services.

Key Responsibilities

• 
  Design, define, document, implement, and monitor the overall ICT architecture for systems and applications.
• 
  Establish and enforce incident management and operational governance processes using ITSM best practices.
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  Analyze and prioritize incidents based on business impact, service interruption, affected users, financial impact, and citizen impact.
• 
  Support internal ICT teams in defining technical standards, architecture principles, and best practices.
• 
  Contribute to business analyses involving infrastructure and application architecture components.
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  Evaluate technical solutions and supplier proposals from an architectural perspective.
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  Produce estimates, planning documents, technical analyses, and implementation roadmaps.
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  Monitor project execution, quality, performance, compliance, and testing activities.
• 
  Identify risks and recommend improvements to service quality, efficiency, and delivery timelines.
• 
  Coordinate stakeholders across business, operations, and technical teams.

Requirements

• 
  Minimum 5 years of experience as a Senior IT Architect within a public-sector IT environment.
• 
  Strong knowledge of application and infrastructure architecture.
• 
  Experience with incident management, operational governance, and IT service management.
• 
  Expertise in:
  • 
    Azure (PaaS/IaaS)
  • 
    Azure Active Directory
  • 
    Terraform
  • 
    VMware
  • 
    Red Hat Enterprise Linux
  • 
    Git
  • 
    Windows Server environments
• 
  Strong understanding of infrastructure, software, and system architecture principles.
• 
  Experience working with Atlassian tools, particularly Jira.
• 
  Familiarity with ITIL and ITSM frameworks.

Soft Skills

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  Excellent communication and stakeholder management skills.
• 
  Ability to work effectively under pressure and manage critical incidents.
• 
  Strong analytical and problem-solving capabilities.
• 
  Ability to align diverse stakeholders and drive consensus.
• 
  Strong planning, coordination, and organizational skills.

Languages

• 
  French: Professional proficiency
• 
  Dutch: Professional proficiency
• 
  English: Professional proficiency

Work Environment

• Location: Brussels, Belgium
• Work Model: Hybrid
• Seniority: Senior / Expert
• Domain: Enterprise Architecture, Infrastructure Architecture, Incident Governance, and Public Sector IT Systems.