Service Architect - ITSM

  • Nicholas Howard Ltd
  • 22/10/2026
Contract Construction

Job Description

ITSM Service Architect - HALOITSM

Nicholas Howard are delighted to be seeking an experienced ITSM Service Architect to act as the design authority for a HaloITSM implementation, owning the end-to-end service management model and ensuring processes, data, configuration and integrations align with ITIL best practice.

Key Responsibilities

  • Define the target ITSM operating model across Incident, Service Request, Problem, Change, Knowledge, Service Level, Asset and Configuration Management.

  • Design the service hierarchy, request catalogue, workflows, categorisation, priorities and approval processes.

  • Own the CMDB and service model, including CI relationships, data ownership, reconciliation and data quality across multiple integrated systems.

  • Define SLA/OLA frameworks, support models, escalation paths, resolver groups and governance structures.

  • Review business requirements and integration designs, ensuring consistency and challenging unnecessary customisation in favour of Halo-native capabilities.

  • Maintain high-level design documentation and decision logs, and define reporting KPIs and continual improvement processes.

Essential Experience

  • 10+ years experience in IT service management, with hands-on design across multiple ITIL practices.

  • Led the end-to-end design of at least two ITSM tool implementations.

  • Strong CMDB, configuration management and service modelling experience, including multi-source data reconciliation.

  • Proven experience designing and implementing SLA/OLA frameworks, priority matrices and operational processes.

  • Previous experience acting as a design authority, confidently challenging stakeholders, suppliers and technical teams.

  • ITIL 4 certification; Managing Professional or Strategic Leader preferred.

  • Excellent communication skills, with the ability to engage both technical teams and senior stakeholders.

Desirable

  • Direct HaloITSM implementation or architecture experience.

  • Experience with Halo reporting and/or Power BI.

The ideal candidate will combine strategic service architecture with practical ITIL process design, providing the standards and governance needed to deliver a consistent, scalable and effective ITSM solution.