Platform Architect

  • Contract
  • Reading

Website Coltech

Senior ServiceNow Platform Architect – Enterprise Transformation

Role Overview

We are seeking an experienced Senior ServiceNow Platform Architect to lead the strategic redesign and modernisation of an enterprise-scale ServiceNow platform. This role will define and govern the target-state architecture across core ServiceNow capabilities while driving adoption of out-of-the-box (OOTB) functionality, Common Service Data Model (CSDM) standards, and scalable platform governance.

The successful candidate will partner with business stakeholders, platform owners, delivery teams, and third-party vendors to establish a sustainable, secure, and highly governed ServiceNow ecosystem within a complex enterprise environment.

Key Responsibilities

Platform Architecture & Strategy
• Define and own the enterprise ServiceNow architecture roadmap across ITSM, ITOM, CMDB, Service Catalog, Knowledge Management, Asset Management, and integrations
• Establish scalable architectural principles aligned to ServiceNow best practices, platform upgrades, and long-term maintainability
• Lead platform transformation initiatives including greenfield implementations, platform consolidations, or major re-implementation programmes
• Provide technical leadership across solution design, environment strategy, release management, and platform governance

CMDB & CSDM Governance
• Design and govern enterprise CMDB architecture aligned to CSDM standards
• Define Discovery, Service Mapping, and Service Graph strategies to improve operational visibility and data accuracy
• Drive CMDB health initiatives including reconciliation, normalization, lifecycle governance, and data quality management
• Collaborate with infrastructure, cloud, and operations teams to ensure accurate configuration data ownership and stewardship

OOTB Optimisation & Platform Simplification
• Review and rationalise legacy customisations, technical debt, and unsupported configurations
• Promote OOTB capabilities, low-code/no-code solutions, and reusable platform components
• Re-engineer workflows using Flow Designer, IntegrationHub, Automation Engine, and platform-native capabilities
• Define architectural guardrails to minimise unnecessary scripting and custom development

Integration & Automation Architecture
• Architect secure and scalable integrations using REST/SOAP APIs, IntegrationHub spokes, MID Servers, and Service Graph Connectors
• Define enterprise integration patterns and governance standards
• Support event-driven automation and orchestration initiatives across operational tooling ecosystems
• Ensure integration solutions comply with security, audit, and regulatory requirements

Governance & Stakeholder Leadership
• Chair or contribute to Design Authority, Architecture Review Boards, and technical governance forums
• Review and approve solution designs, technical deviations, and exception requests
• Mentor developers, technical consultants, and platform administrators
• Work closely with programme leadership to manage delivery risks, dependencies, and platform roadmap priorities

Required Experience & Skills
• 15+ years of overall IT experience with at least 7+ years focused on ServiceNow architecture and enterprise platform leadership
• Strong experience delivering enterprise-scale ServiceNow transformation, greenfield, or re-platforming programmes
• Deep expertise across:
• ITSM
• ITOM (Discovery, Service Mapping, Event Management)
• CMDB & CSDM
• Service Catalog & Knowledge Management
• IntegrationHub and Flow Designer
• Strong understanding of ServiceNow platform governance, security, scalability, and upgrade management
• Experience working in regulated or highly governed enterprise environments
• Excellent stakeholder engagement and communication skills with the ability to influence senior leadership
• Strong knowledge of Agile delivery methodologies and enterprise architecture practices

Preferred Qualifications & Certifications

Preferred certifications include:
• ServiceNow Certified System Administrator (CSA)
• ServiceNow Certified Implementation Specialist – ITSM
• ServiceNow Certified Implementation Specialist – ITOM
• ServiceNow Certified Application Developer (CAD)
• ITIL 4 Foundation

Desirable Experience
• Experience with cloud platforms such as Microsoft Azure or Amazon Web Services (AWS)
• Exposure to SecOps, HRSD, SPM, or Governance Risk & Compliance modules
• Experience establishing enterprise platform operating models and Centre of Excellence functions
• Familiarity with DevOps, CI/CD pipelines, and automated testing within ServiceNow

To apply for this job please visit uk.linkedin.com.