Experience

Experience built inside complex organisations.

Dajci Advisory is led by Jon Dajci, whose career spans enterprise technology, cloud, cyber security, architecture, transformation and AI.

His experience includes work across

  • Aviation
  • Banking
  • Financial Services
  • Insurance
  • Education
  • Professional Services

Across organisations including

  • British Airways
  • Chartered Insurance Institute
  • UCAS
  • LBBW
  • Blevins Franks
  • A&O IT Group

Organisations Jon has worked with during his career prior to and alongside establishing Dajci Advisory.

Selected Experience

Enterprise AI Governance

Scaling Microsoft Copilot and agentic AI

Focus

  • AI
  • Governance
  • Identity
  • Security
  • Data
  • Cost

Designed enterprise governance, identity and data-protection architecture supporting a Microsoft Copilot estate of approximately 2,500 agents.

The architecture addressed areas including identity, embedded data, connectors, oversharing, auditability, lifecycle management, data protection, cost control and monitoring.

Designed least-privilege Entra ID architecture, Power Platform governance, policy controls and an operating model spanning business-built agents through to enterprise-wide capability.

Enterprise Architecture and Design Authority

Creating visibility across a 70+ application estate

Focus

  • Enterprise Architecture
  • Rationalisation
  • Governance
  • Transformation

Produced full organisation-wide system mapping across more than 70 applications, creating visibility across ownership, dependencies, integration, risk, rationalisation opportunities and change impact.

Supported Design Authority governance, architecture principles, standards, impact assessments and transformation governance.

Microsoft Cloud Transformation

Moving 1,000+ users without downtime

Focus

  • Microsoft 365
  • Azure
  • Entra
  • Intune
  • Migration
  • Adoption

Led enterprise Microsoft platform transformation across Microsoft 365, Azure, hybrid identity, security and endpoint management.

More than 1,000 users were migrated from legacy Exchange, SharePoint and collaboration environments while maintaining service continuity.

The programme achieved more than 80% user adoption and standardised endpoint management through Intune and Autopilot.

Supplier and Operating Model Transformation

Challenging cost, architecture and delivery

Focus

  • Supplier Assurance
  • Cost
  • ITSM
  • Architecture
  • Service Transition

Led technology and supplier reviews across complex MSP environments.

Work included reviewing commercial schedules, challenging supplier deliverables, redesigning end-user computing arrangements and architecting service transitions.

The resulting opportunities were projected to unlock multi-million-pound savings while maintaining operational continuity.

Banking Technology Leadership

Technology strategy for a global bank's London branch

Focus

  • Technology Strategy
  • Cloud
  • Banking
  • Leadership
  • Risk

Led technology strategy within the London branch of a global bank, including responsibility for the technology team and branch technology budget.

Developed a cloud-first roadmap and supported secure migration towards Azure and Microsoft 365 while strengthening automation, monitoring and Zero Trust controls.

Secure Remote Working Transformation

Transformation before remote working became normal

Focus

  • Cloud
  • Zero Trust
  • Collaboration
  • Resilience

Led the move towards secure enterprise remote working, aligning senior stakeholders, implementing Zero Trust principles and deploying Microsoft Teams.

The wider technology transformation reduced IT incidents by approximately 80%.

Further cloud modernisation moved services to Azure and Microsoft 365 and replaced Citrix VDI with Azure Virtual Desktop while maintaining business continuity.

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