Senior Infrastructure & Cloud Architect (Datacenter Transformation)

Location: Brussels, Brussels, Belgium, Ghent, Flanders, Belgium, Antwerp, Flanders, Belgium

Department: Talent Solutions

Workplace: hybrid

Employment Type: full

Description

About Gramian

Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.

About the Role
Our client is an international organization operating complex, business-critical infrastructure across multiple regions. The company is undertaking a strategic assessment of its datacenter technology and operating model.

We are looking for a Senior Infrastructure & Cloud Architect to lead the technical evaluation of the existing environment and recommend a future-ready architecture. The role combines datacenter architecture, Microsoft Azure, virtualization, hybrid cloud, infrastructure modernization, and technology selection.

You will assess alternative solutions, compare vendors objectively, and develop a recommendation covering architecture, resilience, operational requirements, lifecycle considerations, and migration feasibility.

CONTRACT: Full-time engagement; long-term

COMMITMENT: 40 hours per week

LOCATIONS: Belgium / Europe; specific work arrangement to be confirmed

PROCESS: Initial qualification followed by technical and client interviews

NOTES: Fluent English required. The role supports infrastructure operations across EMEA, the Americas, and APAC.

Key Responsibilities

• Assess the existing datacenter infrastructure, technology landscape, and dependencies.

• Consolidate business, security, operational, and resilience requirements into architecture principles.

• Design target architectures covering compute, storage, networking, virtualization, backup, disaster recovery, and automation.

• Evaluate on-premises, hybrid cloud, and externally managed infrastructure models.

• Compare technology platforms and vendors using objective technical criteria.

• Develop architecture scenarios and assess feasibility, compatibility, risks, and long-term suitability.

• Evaluate infrastructure reuse, hardware lifecycle, and modernization requirements.

• Define a high-level migration roadmap, including dependencies and risks.

• Provide technical inputs for licensing, sizing, support, migration effort, and total cost of ownership.

• Present architecture recommendations and decision materials to senior stakeholders.

Requirements

• 10+ years of experience in infrastructure, cloud, systems, or enterprise architecture, including complex transformation projects.

• Strong end-to-end knowledge of datacenter architecture, including compute, storage, networking, virtualization, backup, disaster recovery, and monitoring.

• Advanced Microsoft Azure architecture experience, including landing zones, networking, security, storage, monitoring, and cost optimization.

• Experience designing and evaluating on-premises, hybrid cloud, and public-cloud environments.

• Strong knowledge of enterprise virtualization and VDI, including VMware, Hyper-V, and Citrix.

• Experience leading large-scale datacenter or cloud migrations, including architecture assessments, technology comparisons, and migration roadmaps.

• Strong understanding of Infrastructure as Code, FinOps, DevSecOps, and operational governance.

• Ability to evaluate infrastructure lifecycle, resilience, vendor dependencies, and operating models.

• Experience advising senior stakeholders and delivering executive-level architecture recommendations.

• Excellent written and spoken English.