IT Integrations Manager in London

The IT Integrations Manager is a senior IT leader responsible for orchestrating the full lifecycle of technology integration activities across mergers, acquisitions, divestments, and major organisational change programmes. This role ensures that infrastructure, networks, cloud platforms, identity services, and end-user technologies are assessed, rationalised, migrated, and standardised in line with global IT architecture, security, and operational frameworks. Acting as the central coordination point across global regions, the role drives the successful execution of technical discovery, migration planning, cutover, and post-integration stabilisation. The Integrations Manager ensures that all integration initiatives are delivered securely, on time, on budget, and with minimal disruption to business operations. They lead a high-performing IT team and work in lockstep with Infrastructure, Cloud, Security, Digital Ventures, Workplace Technology, and regional IT functions to deliver predictable, repeatable, and scalable integration outcomes.

Duties and responsibilities would include:

• Integration Leadership & Delivery
  • Lead and govern IT integration workstreams during acquisitions, mergers, and organisational changes.
  • Own end-to-end integration delivery plans covering systems, infrastructure, networks, security controls, cloud services, identity platforms, and end-user technology.
  • Ensure integration programmes follow global architectural standards, service frameworks, and strategic roadmaps. Deliver clear leadership reporting status, risk posture, decision escalations, and dependency tracking.
• Technical Discovery & Standardisation
  • Lead or coordinate technical discovery across acquired environments (infrastructure, servers, networks, Cloud platforms, endpoints, SaaS and security toolsets).
  • Assess deviations from enterprise standards and define remediation, consolidation, or uplift plans.
  • Support the adoption and standardisation of AVD, patching solutions, and standard endpoint configurations.
  • Ensure all integrations meet corporate baselines for cyber security, compliance, and operational readiness.
• Cross-Functional Coordination
  • Act as the primary integration liaison between regional IT teams, central IT functions, and business stakeholders during integrations.
  • Partner closely with Cloud, Network, Workplace Transformation, and Security teams to sequence and execute integration work.
  • Establish clear handover pathways to operational support teams and ensure post-migration stability.
• Project & Change Management
  • Manage integration timelines, milestones, and deliverables using structured project frameworks.
  • Produce & maintain documentation including risk logs, design summaries, progress reports, and migration plans.
  • Drive change management & user readiness activities, ensuring users are informed, trained where needed, and supported through transitions.
• Technology Alignment & Service Readiness
  • Align acquired environment with global platforms such as AVD, O365, identity and access management, endpoint management, and ITSM tools.
  • Coordinate infrastructure and network consolidation where required.
  • Validate service performance and business continuity post-integration, ensuring operational acceptance criteria are met.
• Vendor & Partner Coordination
  • Engage external partners for specialised discovery, migration, and technical uplift activities.
  • Manage vendor delivery quality, scope adherence, technical alignment, and security compliance.
  • Oversee contract deliverables, commercial alignment, and escalation channels.
• Reporting & Governance
  • Provide regular updates to the Director of IT Integrations, Networks, and Infrastructure.
  • Identify risks, issues, and dependencies early, and drive proactive mitigation strategies.
  • Contribute to the continuous improvement of integration frameworks, playbooks, and standard operating procedures.

About us: SLR are global leaders in Sustainability Solutions, helping our clients achieve their sustainability goals. We are a consultancy with 4000+ employees across 6 regions in over 125 countries. Our ‘one team’ culture is at the heart of our business, providing a collaborative and supportive environment for professional development. Along with competitive salaries, our staff enjoy a comprehensive benefits package with a company pension plus excellent healthcare offering, travel and life insurance and a structured career framework with regular reviews offering outstanding opportunities for progression. Alongside 25 day’s annual leave, with additional flexible bank holidays, we offer flexible, agile and hybrid working which enables staff to tailor hours worked around core hours, with family friendly policies help balance the needs of professional and home life.