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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Service Integration Manager - **Company:** Sumitomo Mitsui Banking Corporation - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** Information Technology, Servicenow - **Published:** July 29, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=5ec38e35e289b295 ## About the Role Essential Experience in a SIAM or service integration operating model Strong experience in IT Service Management within a multi-supplier environment Strong stakeholder management at senior management and executive level Experience leading cross-supplier governance and service review forums Ability to influence suppliers and internal teams without direct authority Experience working across: multiple suppliers, complex delivery landscapes, regional/global teams Strong understanding of: service performance management, governance frameworks, escalation and control models Desirable Experience working across cross regional delivery models Exposure to supplier governance and outsourced service models Understanding of business service-oriented operating models Key Behaviours Operates with end-to-end accountability, not supplier or team bias Drives outcomes through influence and challenge, not hierarchy Focuses on service performance and control, not operational activity Able to align multiple stakeholders across regions and organisations Comfortable operating in complex, matrixed environments Comfortable operating with ambiguity and driving structure across complex organisational boundaries Qualifications Required: ITIL v4 Foundation SIAM Foundation or Practitioner Preferred: Experience with ServiceNow or equivalent ITSM tooling Experience operating within regulated financial services environments Competencies Customer Focus Driving Change Driving Results Embraces Diversity Enterprise Leadership Judgement and Decision Making Risk Management Strategic and Visionary Trust and Integrity What we offer ## Description End-to-End Service Integration Own end-to-end service performance across all suppliers Act as Service Integration owner for IT service(s) Provide a single, consolidated service view across regions and providers Ensure alignment of all parties to defined service outcomes and expectations Validate that service integration, support ownership, supplier accountabilities and reporting requirements are defined prior to service acceptance. Support the adoption of experience-based service measures and outcome-focused performance metrics Cross-Supplier Coordination & Control Lead cross-supplier coordination and issue resolution Drive integration across IT Suppliers Remove delivery silos and ensure services are managed end-to-end Ensure effective collaboration across suppliers for Service Performance & Accountability Hold suppliers and internal teams accountable for service performance Drive service improvement actions across multiple providers Escalate and manage cross-region and cross-supplier risks/issues Ensure a consistent approach to performance management and reporting Own service performance outcomes against agreed KPIs and service targets Review and challenge service performance data across suppliers Use KPI and MI trends to drive prioritisation and service improvement initiatives SIAM Governance & Integration Forums Lead service reviews for IT services, providing an integrated view of performance, risk, supplier delivery and improvement priorities Review and challenge supplier performance against agreed service obligations and commitments Drive governance decisions and escalation activities relating to IT services Ensure services operate in line with SIAM governance standards and frameworks Stakeholder & Supplier Engagement Acts as the authoritative integration point for IT services with: Ensure stakeholders receive a clear and consistent view of service performance Drives alignment across stakeholders and suppliers to achieve service outcomes Key Accountabilities Key Accountabilities Delivery of a single, integrated service view across regions and suppliers Effective cross-supplier coordination and escalation Driving service performance and continuous improvement Supporting the establishment and maturity of the SIAM integration capability Authority to challenge supplier and internal performance, drive corrective actions, and escalate issues where agreed service outcomes are not achieved. 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