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Senior Systems Architect - VMware, SDDC, Infrastructure & Cloud

Hybrid in Hungary
Microsoft Azure& 5 others
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We are seeking a highly experienced Senior Systems Architect to join our consulting practice. In this client-facing role, you will advise enterprise and regulated-industry customers on the modernization and transformation of their cloud, data center, virtualization, and infrastructure platforms.

You will lead architecture engagements spanning Microsoft Azure, hybrid cloud, software-defined data centers, VMware-based private cloud, and on-premises infrastructure, helping clients modernize legacy estates while ensuring resilience, security, governance, and operational continuity.

You will act as a trusted advisor to CIOs, infrastructure leaders, and transformation programs, shaping both strategy and delivery across complex enterprise environments.

Responsibilities
  • Lead current-state assessments, discovery workshops, and target-state architecture definition
  • Translate business, security, compliance, and resilience requirements into scalable technical solutions
  • Facilitate architecture workshops with engineering teams, infrastructure leaders, and executive audiences
  • Provide architectural governance aligned to enterprise standards and regulatory expectations
  • Design Microsoft Azure landing zones, governance models, connectivity patterns, and operational guardrails
  • Architect hybrid cloud solutions integrating Azure with on-premises infrastructure, identity platforms, and security controls
  • Design SDDC architectures across compute, storage, network virtualization, backup, DR, and management domains
  • Govern VMware-based private cloud architectures, including vSphere, vCenter, ESXi, NSX, vSAN, HCX, SRM, and Aria/vRealize Suite
  • Lead modernization and migration initiatives across Azure, VMware, Hyper-V, Nutanix, and hybrid environments
  • Produce high-level and low-level design documentation, architecture decision records, and migration strategies
  • Provide architectural oversight across deployment, migration, and stabilization phases
  • Act as senior escalation point for critical platform design and implementation challenges
  • Support migration planning for workloads moving into Azure, AVS, hybrid cloud, or modernized on-premises environments
  • Support RFP/RFI/RFQ responses with solution design, architecture inputs, and scope framing
  • Contribute to effort estimation, proposal development, and delivery planning
  • Identify follow-on opportunities in cloud adoption, infrastructure modernization, and operational improvement
Requirements
  • 10+ years of experience in cloud, infrastructure architecture, virtualization, SDDC, and consulting
  • Proven background in enterprise transformation and modernization programs
  • Expertise in Microsoft Azure, including landing zones, hub-and-spoke networking, governance, identity, security, and resilience
  • Skills in hybrid cloud architecture integrating Azure with on-premises platforms and enterprise identity
  • Proficiency in VMware technologies: vSphere, vCenter, ESXi, NSX, vSAN, HCX, SRM, and Aria/vRealize Suite
  • Knowledge of SDDC, Hyper-V, and Nutanix AHV, as well as hyperconverged infrastructure platforms
  • Competency in Azure VMware Solution (AVS), workload mobility, and platform transformation
  • Understanding of enterprise storage, backup, business continuity, and disaster recovery
  • Background in network, security, identity, and governance for enterprise platform architecture
  • Showcase of designing solutions for regulated, high-availability, and mission-critical environments within financial services, public sector, or healthcare
  • Familiarity with infrastructure automation and IaC tools such as Terraform, Bicep, PowerShell, or Ansible
  • Strategic thinking combined with strong delivery awareness, ownership mindset, consulting maturity, relevant certifications, and willingness to travel to clients
  • English language proficiency at an Advanced level (C1)
Nice to have
  • Experience with Amazon Web Services