Technology Architect - Infrastructure Architect (Capacity & Performance, Multi-Platform) - Lond[...]

Infosys Limited; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

Infosys Limited is seeking an experienced Infrastructure Architect to design, optimize, and manage enterprise IT infrastructure across Compute, Storage, and Network domains. The role focuses on ensuring high availability, scalability, and performance across all infrastructure layers.

Key responsibilities include defining architecture across compute and network, forecasting capacity needs, leading performance optimization, and overseeing infrastructure lifecycle management. Ideal candidates should have 10–15 years of experience in large enterprise environments.

Qualifications

• 10–15+ years in infrastructure architecture/engineering within large enterprise.
• Strong stakeholder management across storage, network, and applications teams.
• Excellent problem-solving and analytical skills.

Responsibilities

• Define and maintain end-to-end architecture across compute, storage, and network.
• Forecast capacity for compute, storage, and network; analyze trends.
• Lead performance analysis and tuning across AIX/Linux/Windows environments.
• Oversee lifecycle management of AIX, Windows Server, and VMware infrastructure.
• Design and manage SAN/NAS storage environments.

Skills

IBM AIX (LPAR, Power systems, PowerVC)

Linux (RHEL)

Windows Server & AD

VMware vSphere, ESXi, vCenter

SAN/NAS

LAN/WAN, routing/switching

Infrastructure monitoring

Performance analysis & tuning

Capacity planning & trending

ITIL process awareness

Job description

Overview

The Infrastructure Architect will design, optimize, and manage enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains with a strong focus on capacity planning, performance engineering, and operational resilience. The role supports large‑scale enterprise environments, ensuring high availability, scalability, and performance across all infrastructure layers.

Key Responsibilities

• Infrastructure Architecture & Design – Define and maintain end‑to‑end architecture across compute, storage, and network; provide scalable, resilient, and secure platform solutions; and ensure alignment with enterprise standards and configuration management practices.
• Capacity Planning & Management – Forecast capacity for compute, storage, and network; analyze trends for CPU, memory, storage IO, and network utilization; recommend and implement capacity optimization; collaborate with application, database, and infrastructure teams.
• Performance Engineering & Optimization – Lead performance analysis and tuning across AIX/Linux/Windows and VMware environments; identify bottlenecks in CPU, memory, disk IO, and network throughput; drive proactive performance improvement initiatives.
• Compute Platform Leadership – Oversee AIX (POWER, LPAR, PowerVC), Windows Server & Active Directory, and VMware infrastructure lifecycle; support OS monitoring, patching, lifecycle management, VM provisioning, decommissioning, and performance tuning.
• Storage & Backup Architecture – Design and manage SAN/NAS storage environments; optimize storage performance (IOPS, throughput, latency); lead backup/recovery strategy and disaster recovery alignment.
• Network Architecture & Integration – Define and review data‑center networking, routing/switching, and connectivity between compute, storage, and application layers; work closely with network architects for performance troubleshooting.
• Monitoring, Automation & Reliability – Implement and enhance monitoring solutions for infrastructure health; drive automation for provisioning, capacity reporting, and performance tuning; improve observability across the infrastructure stack.
• Incident, Problem & Change Management – Lead resolution of complex L2/L3 infrastructure issues; conduct root cause analysis; work within ITIL processes (Incident, Problem, Change).
• Disaster Recovery & High Availability – Design DR/HA solutions for critical infrastructure; validate DR drills and ensure readiness for failover scenarios.

Required Skills & Experience

• Compute: IBM AIX (LPAR, Power systems, PowerVC), Linux (RHEL), Windows Server & AD.
• Virtualization: VMware vSphere, ESXi, vCenter, HA, DRS.
• Storage & Backup: SAN/NAS, replication, backup solutions.
• Networking: LAN/WAN, routing/switching, DC networking.
• Monitoring & Tools: Infrastructure monitoring, alerting tools, performance tools.
• Functional Expertise: Capacity planning & trending, performance analysis & tuning, infrastructure optimization, ITIL process awareness.
• Experience: 10–15+ years in infrastructure architecture/engineering within large enterprise, multi‑DC, hybrid environments.
• Soft Skills: Strong stakeholder management across storage, network, and apps teams; excellent problem‑solving and analytical skills; ability to lead design discussions and technical governance.

Employment Information

All 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.