Senior Infrastructure & Cloud Architect (Datacenter Transformation)

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.

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.