Contract Migration Lead

TLT is recruiting an experienced Migration Lead to support a major transformation programme on a 10 month basis.

The role will lead the end-to-end data migration strategy and delivery across multiple systems, ensuring data is accurately transitioned from legacy platforms into new solutions, supporting business continuity and adoption.

This assignment will be engaged on a competitive daily rate via an Umbrella Company. The role will be predominantly hybrid, with 2–3 days per week office attendance required in Bristol in line with programme needs.

Role Overview

The Migration Lead is responsible for the end-to-end delivery of data migration activities across a large-scale transformation programme within the firm.

The role will define and implement the migration strategy, ensuring data is accurately transitioned from legacy systems into new platforms, supporting business continuity and enabling successful system adoption.

Working closely with programme teams, IT, suppliers and business stakeholders, the Migration Lead will ensure a robust, controlled and high-quality migration approach is embedded across all workstreams.

Role Responsibilities

• Define and implement the overall data migration strategy and approach across the programme
• Develop and manage detailed migration plans, timelines and sequencing aligned to programme delivery
• Lead the end-to-end migration lifecycle, including:
  • Data discovery and assessment
  • Data mapping and transformation
  • Data cleansing and validation
  • Migration execution
  • Reconciliation and sign-off
• Establish and enforce data governance, quality standards and control frameworks
• Ensure data integrity, completeness and accuracy throughout migration activities
• Act as the primary point of contact for migration across programme workstreams
• Work closely with business and technical stakeholders to ensure alignment between:
  • Business requirements
  • Data structures
  • Target system requirements
• Manage and coordinate third-party suppliers and system integrators delivering migration activities
• Lead and coordinate multi-disciplinary teams, including data analysts, SMEs and technical resources
• Ensure migration is fully integrated with:
  • Testing phases
  • Cutover planning
  • Go-live activities
• Identify and manage migration risks, issues and dependencies, ensuring appropriate mitigation
• Provide clear reporting on migration progress, data quality, risks and readiness to stakeholders and governance forums

Experience Required

• Proven experience as a Migration Lead / Data Migration Lead on large-scale transformation or system implementation programmes
• Strong experience managing end-to-end data migration lifecycles
• Experience working across multiple business systems (e.g. finance, HR, document or practice management systems)
• Strong understanding of data governance, data quality and control frameworks
• Experience managing third-party suppliers and technical delivery teams
• Ability to translate business requirements into data mapping, migration rules and validation processes
• Strong stakeholder management skills, with experience engaging senior business and technical stakeholders
• Experience working in complex, multi-stream programme environments
• Experience within a law firm or professional services environment
• Experience with systems such as practice management, document management, or ERP platforms
• Familiarity with data migration tools and ETL processes
• Experience supporting large-scale transformation or ERP programmes
• Relevant project or programme delivery exposure (e.g. PRINCE2, Agile)