Technology Architect - Infrastructure Architect (Capacity & Performance, Multi-Platform) - Leeds, UK

InfosysLondonSenior
Activeverified Jun 12, 2026

Job description

Role - Technology ArchitectTechnology - Infrastructure Architect (Capacity & Performance, Multi-Platform)Location - Leeds/Warwick UK Role Overview: The Infrastructure Architect will be responsible for designing, optimizing, and managing enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains, with strong focus on capacity planning, performance engineering, and operational resilience.The role will support large-scale enterprise environments and ensure high availability, scalability, and performance optimization across all infrastructure layers.Key Responsibilities1. Infrastructure Architecture & Design

Role - Technology ArchitectTechnology - Infrastructure Architect (Capacity & Performance, Multi-Platform)Location - Leeds/Warwick UK Role Overview: The Infrastructure Architect will be responsible for designing, optimizing, and managing enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains, with strong focus on capacity planning, performance engineering, and operational resilience.The role will support large-scale enterprise environments and ensure high availability, scalability, and performance optimization across all infrastructure layers.Key Responsibilities1. Infrastructure Architecture & DesignRole - Technology ArchitectTechnology - Infrastructure Architect (Capacity & Performance, Multi-Platform)Location - Leeds/Warwick UK Role Overview: The Infrastructure Architect will be responsible for designing, optimizing, and managing enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains, with strong focus on capacity planning, performance engineering, and operational resilience.The role will support large-scale enterprise environments and ensure high availability, scalability, and performance optimization across all infrastructure layers.Key Responsibilities1. Infrastructure Architecture & DesignRole -Technology -Location -Role Overview:The Infrastructure Architect will be responsible for designing, optimizing, and managing enterprise IT infrastructure acrosswith strong focus onhigh availability, scalability, and performance optimizationKey Responsibilities1. Infrastructure Architecture & Design
  • Define and maintain end-to-end infrastructure architecture across:
Define and maintain end-to-end infrastructure architecture across:Define and maintain end-to-end infrastructure architecture across:
  • Compute (IBM AIX, Linux, Windows)
Compute (IBM AIX, Linux, Windows)Compute (IBM AIX, Linux, Windows)
  • Virtualization (VMware – ESXi, vCenter)
Virtualization (VMware – ESXi, vCenter)Virtualization (VMware – ESXi, vCenter)
  • Storage (SAN/NAS, backup platforms)
Storage (SAN/NAS, backup platforms)Storage (SAN/NAS, backup platforms)
  • Network (LAN/WAN, DC networking)
Network (LAN/WAN, DC networking)Network (LAN/WAN, DC networking)
  • Provide architectural solutions for scalable, resilient, and secure infrastructure platforms
Provide architectural solutions for scalable, resilient, and secure infrastructure platformsProvide architectural solutions for scalable, resilient, and secure infrastructure platforms
  • Ensure alignment with enterprise standards, CMDB, and configuration management practices.
Ensure alignment with enterprise standards, CMDB, and configuration management practices.Ensure alignment with enterprise standards, CMDB, and configuration management practices.2. Capacity Planning & Management2. Capacity Planning & Management2. Capacity Planning & Management
  • Perform capacity forecasting for compute, storage, and network resources
Perform capacity forecasting for compute, storage, and network resourcesPerform capacity forecasting for compute, storage, and network resources
  • Analyze trends for CPU, memory, storage, IO, and network utilization
Analyze trends for CPU, memory, storage, IO, and network utilizationAnalyze trends for CPU, memory, storage, IO, and network utilization
  • Recommend and implement capacity optimization strategies
Recommend and implement capacity optimization strategiesRecommend and implement capacity optimization strategies
  • Collaborate with application, DB, and infra teams for growth planning.
Collaborate with application, DB, and infra teams for growth planning.Collaborate with application, DB, and infra teams for growth planning.3. Performance Engineering & Optimization3. Performance Engineering & Optimization3. Performance Engineering & Optimization
  • Lead performance analysis and tuning across AIX/Linux/Windows and VMware environments
Lead performance analysis and tuning across AIX/Linux/Windows and VMware environmentsLead performance analysis and tuning across AIX/Linux/Windows and VMware environments
  • Identify bottlenecks across:
Identify bottlenecks across:Identify bottlenecks across:
  • CPU, memory, disk IO, network throughput
CPU, memory, disk IO, network throughputCPU, memory, disk IO, network throughput
  • Optimize workloads using tools/technologies (e.g., monitoring, alerting platforms as referenced in infra monitoring scope)
Optimize workloads using tools/technologies (e.g., monitoring, alerting platforms as referenced in infra monitoring scope)Optimize workloads using tools/technologies (e.g., monitoring, alerting platforms as referenced in infra monitoring scope)
  • Drive proactive performance improvement initiatives
Drive proactive performance improvement initiativesDrive proactive performance improvement initiatives4. Compute Platform Leadership (AIX / Windows / VMware)4. Compute Platform Leadership (AIX / Windows / VMware)4. Compute Platform Leadership (AIX / Windows / VMware)
  • Oversee:
Oversee:Oversee:
  • AIX (POWER, LPAR, PowerVC environments)
AIX (POWER, LPAR, PowerVC environments)AIX (POWER, LPAR, PowerVC environments)
  • Windows Server & Active Directory
Windows Server & Active DirectoryWindows Server & Active Directory
  • VMware infrastructure lifecycle (ESXi, vCenter, clusters)
VMware infrastructure lifecycle (ESXi, vCenter, clusters)VMware infrastructure lifecycle (ESXi, vCenter, clusters)
  • Support activities including:
Support activities including:Support activities including:
  • OS monitoring, patching, lifecycle management
OS monitoring, patching, lifecycle managementOS monitoring, patching, lifecycle management
  • VM provisioning, decommissioning, and performance tuning.
VM provisioning, decommissioning, and performance tuning.VM provisioning, decommissioning, and performance tuning.5. Storage & Backup Architecture5. Storage & Backup Architecture5. Storage & Backup Architecture
  • Design and manage SAN/NAS storage environments
Design and manage SAN/NAS storage environmentsDesign and manage SAN/NAS storage environments
  • Optimize storage performance (IOPS, throughput, latency)
Optimize storage performance (IOPS, throughput, latency)Optimize storage performance (IOPS, throughput, latency)
  • Lead backup/recovery strategy and disaster recovery alignment
Lead backup/recovery strategy and disaster recovery alignmentLead backup/recovery strategy and disaster recovery alignment
  • Work with tools like enterprise backup (e.g., Spectrum Protect, etc. based on environment patterns)
Work with tools like enterprise backup (e.g., Spectrum Protect, etc. based on environment patterns)Work with tools like enterprise backup (e.g., Spectrum Protect, etc. based on environment patterns)6. Network Architecture & Integration6. Network Architecture & Integration6. Network Architecture & Integration
  • Define and review:
Define and review:Define and review:
  • Data center networking, routing/switching
Data center networking, routing/switchingData center networking, routing/switching
  • Connectivity between compute, storage, and application layers
Connectivity between compute, storage, and application layersConnectivity between compute, storage, and application layers
  • Work closely with network architects for performance troubleshooting
Work closely with network architects for performance troubleshootingWork closely with network architects for performance troubleshooting
  • Ensure network supports infrastructure scalability and HA needs
Ensure network supports infrastructure scalability and HA needsEnsure network supports infrastructure scalability and HA needs7. Monitoring, Automation & Reliability7. Monitoring, Automation & Reliability7. Monitoring, Automation & Reliability
  • Implement and enhance monitoring solutions for infra health, alerts & performance
Implement and enhance monitoring solutions for infra health, alerts & performanceImplement and enhance monitoring solutions for infra health, alerts & performance
  • Drive automation for:
Drive automation for:Drive automation for:
  • Provisioning
ProvisioningProvisioning
  • Capacity reporting
Capacity reportingCapacity reporting
  • Performance tuning
Performance tuningPerformance tuning
  • Improve observability across infra stack
Improve observability across infra stackImprove observability across infra stack8. Incident, Problem & Change Management8. Incident, Problem & Change Management8. Incident, Problem & Change Management
  • Lead resolution of complex L2/L3 infrastructure issues
Lead resolution of complex L2/L3 infrastructure issuesLead resolution of complex L2/L3 infrastructure issues
  • Drive root cause analysis for recurring performance issues
Drive root cause analysis for recurring performance issuesDrive root cause analysis for recurring performance issues
  • Work within ITIL processes (Incident, Problem, Change)
Work within ITIL processes (Incident, Problem, Change)Work within ITIL processes (Incident, Problem, Change)9. Disaster Recovery & High Availability9. Disaster Recovery & High Availability9. Disaster Recovery & High Availability
  • Design DR/HA solutions for critical infrastructure
Design DR/HA solutions for critical infrastructureDesign DR/HA solutions for critical infrastructure
  • Ensure infrastructure readiness for failover scenarios
Ensure infrastructure readiness for failover scenariosEnsure infrastructure readiness for failover scenarios
  • Periodically validate DR drills
Periodically validate DR drillsPeriodically validate DR drillsRequired Skills & ExperienceCore Technical SkillsRequired Skills & ExperienceCore Technical SkillsRequired Skills & ExperienceCore Technical Skills
  • Compute
ComputeComputeCompute
  • IBM AIX (LPAR, Power systems, PowerVC)
IBM AIX (LPAR, Power systems, PowerVC)IBM AIX (LPAR, Power systems, PowerVC)
  • Linux (RHEL)
Linux (RHEL)Linux (RHEL)
  • Windows Server & AD
Windows Server & ADWindows Server & AD
  • Virtualization
VirtualizationVirtualizationVirtualization
  • VMware (vSphere, ESXi, vCenter, HA, DRS)
VMware (vSphere, ESXi, vCenter, HA, DRS)VMware (vSphere, ESXi, vCenter, HA, DRS)
  • Storage & Backup
Storage & BackupStorage & BackupStorage & Backup
  • SAN/NAS, replication, backup solutions
SAN/NAS, replication, backup solutionsSAN/NAS, replication, backup solutions
  • Networking
NetworkingNetworkingNetworking
  • LAN/WAN, routing/switching, DC networking
LAN/WAN, routing/switching, DC networkingLAN/WAN, routing/switching, DC networking
  • Monitoring & Tools
Monitoring & ToolsMonitoring & ToolsMonitoring & Tools
  • Infrastructure monitoring, alerting tools, performance tools
Infrastructure monitoring, alerting tools, performance toolsInfrastructure monitoring, alerting tools, performance toolsFunctional ExpertiseFunctional ExpertiseFunctional Expertise
  • Strong experience in:
Strong experience in:Strong experience in:
  • Capacity planning & trending
Capacity planning & trendingCapacity planning & trending
  • Performance analysis & tuning
Performance analysis & tuningPerformance analysis & tuning
  • Infrastructure optimization
Infrastructure optimizationInfrastructure optimization
  • ITIL process awareness (Incident, Change, Problem)
ITIL process awareness (Incident, Change, Problem)ITIL process awareness (Incident, Change, Problem)ExperienceExperienceExperience
  • 10–15+ years of experience in infrastructure architecture / engineering
10–15+ years of experience in infrastructure architecture / engineering10–15+ years of experience in infrastructure architecture / engineering
  • Proven experience in large enterprise environments (multi-DC, hybrid infra)
Proven experience in large enterprise environments (multi-DC, hybrid infra)Proven experience in large enterprise environments (multi-DC, hybrid infra)Soft SkillsSoft SkillsSoft Skills
  • Strong stakeholder management (cross teams: storage, network, apps)
Strong stakeholder management (cross teams: storage, network, apps)Strong stakeholder management (cross teams: storage, network, apps)
  • Excellent problem-solving & analytical skills
Excellent problem-solving & analytical skillsExcellent problem-solving & analytical skills
  • Ability to lead design discussions and technical governance
Ability to lead design discussions and technical governanceAbility to lead design discussions and technical governanceAbout UsInfosys is a global leader in next-generation digital services and consulting. We enable clients in 46 countries to navigate their digital transformation.With over three decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem.To learn more about Infosys and see our ideas in action please visit us at www.Infosys.comAll aspects of the hiring process and employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employer.About UsInfosys is a global leader in next-generation digital services and consulting. We enable clients in 46 countries to navigate their digital transformation.With over three decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem.To learn more about Infosys and see our ideas in action please visit us at www.Infosys.comAll aspects of the hiring process and employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employer.About UsTo learn more about Infosys and see our ideas in action please visit us at www.Infosys.com