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.

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.