Head of IT Infrastructure

SymphonyAI; City Of London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

A leading enterprise AI company in the UK seeks a Head of IT Infrastructure to lead global teams and drive modernization in IT infrastructure. The successful candidate will manage Azure AD tenants, oversee Microsoft 365 services, and promote automation and AI initiatives. Ideal applicants should have over 10 years of IT infrastructure leadership experience and a strong expertise in cloud services and security compliance.

Qualifications

• 10+ years in IT infrastructure leadership, including managing global teams.
• Strong expertise in Microsoft 365 (O365) applications and services.
• Proven experience in Azure AD tenant management, identity governance, and consolidation.
• Strong knowledge of Azure cloud services, hybrid IT, enterprise networking, and modern data centre operations.
• Experience leading automation and AI adoption initiatives within IT infrastructure.

Responsibilities

• Lead and manage globally dispersed Engineering, Network, and Data Centre teams.
• Define and deliver the enterprise infrastructure roadmap across on-premises, Azure cloud, and hybrid environments.
• Drive modernization, automation, and AI adoption to transform infrastructure operations.
• Manage multiple Azure AD tenants, leading identity governance and access control.

Skills

Leadership

Azure AD Management

Microsoft 365 Expertise

Cloud Services Knowledge

Operational Excellence

Vendor Management

Security Compliance

Team Management

Job description

Introduction

SymphonyAI is an enterprise artificial intelligence (AI) SaaS company that delivers significant benefits to customers in specific industries by transforming existing business processes and enabling new insights, innovation, revenue acceleration and cost optimization. We are excited to welcome an innovative and results-driven Head of IT Infrastructure to our team.

The Head of IT Infrastructure leads the Engineering, Network, and Data Centre teams while overseeing global identity, collaboration, and cloud services. This role is accountable for managing multiple Azure AD tenants, driving identity management and consolidation initiatives, and ensuring the resilience and scalability of the company's infrastructure. The position also oversees office technology setup, relocation, and decommissioning projects worldwide. With a globally dispersed team, the role combines operational excellence with a strong focus on modernization - including driving the adoption of automation and AI to increase efficiency, reduce risk, and enable smarter infrastructure operations.

Job Description

Leadership & Strategy

• Lead and manage globally dispersed Engineering, Network, and Data Centre teams.
• Define and deliver the enterprise infrastructure roadmap across on-premises, Azure cloud, and hybrid environments.
• Drive modernization, automation, and AI adoption to transform infrastructure operations.
• Align infrastructure, identity, and collaboration strategy with business priorities and user productivity.

Identity, Collaboration & Cloud Management

• Manage multiple Azure AD tenants, leading identity governance, access control, and consolidation programs.
• Provide technical and strategic leadership for the Microsoft 365 suite.
• Oversee cloud (Azura, GCP, OCI) and cloud workloads (compute, storage, networking, monitoring, security) and ensure seamless hybrid integration.
• Ensure secure, resilient, and scalable collaboration across global systems.

Operational Excellence & Workplace Technology

• Ensure global availability, performance, and resilience of networks, data centres, cloud services, and O365 platforms.
• Manage office technology setup, relocations, and decommissioning, ensuring smooth transitions with minimal business impact.
• Oversee capacity planning, lifecycle management, and global disaster recovery/business continuity planning.

Security & Compliance

• Partner with Information Security to enforce compliance with ISO, SOC2, GDPR, and other global standards.
• Apply robust governance and security policies across identity, cloud, and collaboration platforms.
• Regularly test DR, backup, and resilience strategies across infrastructure and O365 workloads.

People & Vendor Management

• Lead, mentor, and inspire a globally dispersed team of engineers, network, and identity specialists.
• Build a culture of accountability, innovation, and continuous improvement.
• Manage vendor relationships, contracts, and SLAs for infrastructure, O365, and cloud services.
• Oversee budgets, licensing, and cost optimization across data centre, cloud, and collaboration platforms.

Qualifications & Experience

• 10+ years in IT infrastructure leadership, including managing global teams.
• Strong expertise in Microsoft 365 (O365) applications and services.
• Proven experience in Azure AD tenant management, identity governance, and consolidation.
• Strong knowledge of Azure cloud services, hybrid IT, enterprise networking, and modern data centre operations.
• Experience leading automation and AI adoption initiatives within IT infrastructure.
• Background in office technology setup, relocations, and decommissioning projects.
• Familiarity with ITIL/ITSM frameworks and infrastructure automation.
• Excellent leadership, communication, and stakeholder engagement skills.

Key Competencies

• Strategic thinker with strong technical and operational credibility.
• Effective global leader able to manage diverse, dispersed teams across regions.
• Commercially astute with experience managing budgets.
• Innovation-driven, with a focus on automation, AI, security, and resilience

About Us

About SymphonyAI

About SymphonyAI is building the leading enterprise AI SaaS company for digital transformation across the most critical and resilient growth verticals, including retail, consumer packaged goods, financial services, manufacturing, media, and business IT. SymphonyAI verticals have many leading enterprises as clients. Since its founding in 2017, SymphonyAI has grown rapidly to 2,000 talented leaders, data scientists, and other professionals across 33 countries. SymphonyAI is an SAIGroup company, backed by a $1 billion commitment from Dr. Romesh Wadhwani, a successful entrepreneur and philanthropist.

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