Senior IT Service Manager

Company: Ofgem
Apply for the Senior IT Service Manager
Location: Cardiff
Job Description:

Overview

As a Senior IT Service Manager within the Digital, Data and Security Services (DDSS) directorate at Ofgem, you will be accountable for the delivery and continuous improvement of a portfolio of IT services. You will set service strategy, oversee performance, and act as a senior escalation point for complex issues while managing supplier relationships to ensure that service quality meets both user expectations and organisational standards.

Responsibilities

  • Lead the development of end‑to‑end delivery of IT services, ensuring alignment with organisational objectives and adherence to ITIL‑based practices.
  • Own service performance, monitor SLAs and drive improvements to achieve high levels of reliability, availability, and user satisfaction.
  • Act as the service management authority for assigned services, ensuring governance, accountability and operational excellence.
  • Serve as the senior escalation point for complex or critical service issues, ensuring timely resolution and effective stakeholder communication.
  • Lead supplier and vendor relationships, holding partners accountable for performance and ensuring alignment with contractual and service expectations.
  • Chair service review meetings and governance forums, providing clear reporting and insight into service performance.
  • Drive continual service improvement initiatives, identifying opportunities to enhance efficiency, resilience and value delivery.
  • Maintain service documentation, including service catalogues and knowledge bases, ensuring they are accurate and accessible.
  • Support financial management of services, including cost control, forecasting and optimisation activities.
  • Build and support high‑performing teams, providing coaching and mentorship to develop capability across service management functions.
  • Support the delivery and transition of new services into live operation, ensuring operational readiness and sustainability.

Qualifications and Experience

  • Significant experience owning and managing IT services within an enterprise environment.
  • Strong knowledge of ITIL frameworks and service management best practice.
  • Experience managing supplier relationships and holding vendors accountable for performance.
  • Proven ability to drive service improvement and enhance operational performance.
  • Strong stakeholder engagement skills, with the ability to influence across technical and business domains.
  • ITIL v4 Foundation certification is required; higher‑level ITIL certifications (e.g. Create, Deliver and Support) are strongly preferred.
  • Experience operating within government or regulated environments, and in service transition or transformation activities, is beneficial.
  • Experience maturing service management processes and maintaining service documentation.
  • Experience operationalising new services (e.g. ITSM processes such as CMDB) is desirable.

Behavioural Attributes

  • Making Effective Decisions
  • Communicating and Influencing
  • Managing a Quality Service

Technical Skills

  • In-depth knowledge of ITIL frameworks.
  • Experience in service transition, change management, and service improvement.
  • Strong analytical and problem‑solving skills.

Selection Process

The selection will include an interview and a presentation; detailed instructions will be provided in the invitation.

Compensation and Benefits

The role offers an annual salary of £49,452 plus pension contributions. Annual leave and training allowances are competitive. Hybrid working arrangements and flexible hours are available.

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Posted: July 9th, 2026