Migration Lead - Core Banking (Savings) | £650pd | Basingstoke | Contract
Overview Oliver James has partnered with a leading financial services organisation to support a major core banking transformation programme, focused on the migration of savings products onto a new platform.
This is a senior, programme-level role with full ownership of the end-to-end migration strategy and execution. You will be responsible for ensuring a controlled, compliant and customer-focused transition of legacy products and data, working across technology, operations, finance, risk and third-party vendors.
This role offers the opportunity to lead a high-impact migration within a regulated environment, with significant visibility across senior stakeholders and critical programme outcomes.
Key Responsibilities
* Own the end-to-end migration strategy, planning and execution across savings products (ISA and non-ISA)
* Define migration approach (phased vs big bang), scope, tooling and acceptance criteria
* Lead data mapping, transformation, reconciliation and validation frameworks
* Manage integrated migration plan, including milestones, dependencies, rehearsal cycles and cutover
* Oversee dress rehearsals, defect resolution, go-live execution and rollback readiness
* Ensure full data integrity, auditability and traceability from source to target systems
* Coordinate cross-functional teams across Technology, Operations, Finance, Risk and Compliance
* Manage third-party vendors and system integrators across migration activities
* Ensure continuity of regulatory, financial and operational reporting through migration
* Support operational readiness, training, hypercare and post-migration validation
Essential Skills
* Proven experience leading large-scale data migrations within financial services
* Strong knowledge of savings products (Fixed Term, Easy Access, Notice, ISA and non-ISA)
* Experience with core banking platforms (e.g. Mambu, Temenos, Finova, Salesforce or similar)
* Deep understanding of FCA/PRA regulated environments and stakeholder engagement
* Expertise in data migration disciplines including mapping, transformation, reconciliation and validation
* Experience managing cutover, dress rehearsals and migration risk
* Strong stakeholder management across business, technology and regulatory functions
Desirable Skills
* Experience delivering core banking transformation programmes
* Background in defining and implementing Target Operating Models (TOM)
* Exposure to regulatory reporting, data lineage and MI continuity frameworks
* Programme or project management certifications (MSP, PRINCE2, PMP)
* Experience working with system integrators and third-party vendors in complex environments