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Data Migration and Data Transition Team Lead

City of London Temporary £700 - £700 per day View Job Description
Lead the end-to-end data migration and transition strategy for a major financial services transformation programme, ensuring seamless, accurate transfer of critical client and configuration data. This senior contract role offers a £700/day rate, hybrid working, and the opportunity to shape a greenfield data migration capability through February 2026.
  • £700 per day plus hybrid working (2/3 days in London office)
  • Great opportunity to join this financial services organisation

About Our Client

Our client is a leading global financial services organisation undergoing a major transformation across its EMEA operations. They pride themselves on strong governance, innovative data practices, and a commitment to building cutting-edge capabilities within their growing Data Office.

Job Description

Key Responsibilities

  • Define and lead the end-to-end strategy for data migration and transition activities
  • Own development of data migration tooling, monitoring, and reconciliation frameworks
  • Lead on dress rehearsals, dry runs, cutover execution, and post-go-live validation
  • Coordinate business data readiness, transformation mapping, and stakeholder approvals
  • Act as SME and deputy to the Head of Data Migration & Transition for critical programmes
  • Collaborate with IT and business units to ensure clean, auditable, and fit-for-purpose data
  • Build internal data migration capability and mentor junior colleagues
  • Support production go-lives and respond to any post-migration data issues or risks



The Successful Applicant



Essential Experience:

  • Proven leadership of complex data migration and transition projects in financial services
  • Hands-on knowledge of data transformation, cleansing, and cutover practices
  • Experience with ETL tools (e.g., Alteryx), data mapping, and SQL querying
  • Strong understanding of client, product, and reference data in regulated environments
  • Excellent communication skills and experience engaging business and technical stakeholders
  • Familiarity with full migration lifecycle: from planning through go-live and post-implementation



Desirable Experience:

  • Experience building a data migration function or operating model from scratch
  • Understanding of KYC and regulatory data requirements
  • Track record of delivering customer data migration cutovers
  • Knowledge of data governance, lineage, and quality frameworks
  • RAID management and benefits realisation tracking



What's on Offer



Rate: £700/day

IR35: Inside IR35

Location: London - 2 to 3 days per week onsite

Contract: Until February 2026

Start: ASAP (flexible for the right candidate)

Contact
Hannah Kelly
Quote job ref
JN-092025-6824773
Phone number
+44 7989225567

Job summary

Job function
Technology
Subsector
Big Data
Sector
Financial Services
Location
City of London
Contract type
Temporary
Consultant name
Hannah Kelly
Consultant phone
+44 7989225567
Job reference
JN-092025-6824773