Data Migration Lead
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Role: Data Migration Lead
Location: London (Oxford Circus)
Hybrid: 1–2 days per week in the office
About Monument Technology Limited
Monument Technology provides everything needed to build and run a bank with an open, configurable, end-to-end banking platform as a service which uses best-in-class components to empower small and medium-sized banks around the world to thrive in the digital age. Monument Technology takes the proven, end to end platform developed for Monument Bank, the leading bank for the mass affluent, and makes it available to financial institutions in the UK and globally as a licensed Banking Platform as a Service.
Our platform is a full-stack ‘bank or building-society-in-a-box’, delivering all the functionality needed to run and grow a modern, digital-led financial institution, including native mobile app and web experience, servicing, core and all the back-end technologies, integrated in a single, cloud-native solution (“Bank-in-a-Box”).
Monument Technology provides everything in one solution, taking care of all third-party contracts and integrations as well as ongoing maintenance and future platform enhancements - all for one annual licence fee, allowing our customers to embrace the most modern technology available, without any of the complexity.
THE ROLE
We are looking for a Data Migration Lead to own and deliver the end-to-end data migration capability across our client implementations.
This is a senior, high-impact role responsible for leading the data migration workstream across complex banking transformation programmes. You will define and embed a repeatable, scalable migration approach, ensuring migrations are well-governed, predictable and aligned to programme objectives.
You will act as the primary point of accountability for all data migration activities, working closely with clients, engineering teams and delivery stakeholders to ensure data is accurately migrated, validated and production-ready.
HOW YOU’LL MAKE AN IMPACT
- Lead the end-to-end data migration workstream, ensuring alignment with programme scope, timelines and delivery objectives.
- Define and implement a structured migration framework, including mapping catalogues, data quality thresholds, governance and runbooks.
- Oversee all phases of the migration lifecycle, including discovery, design, mapping, rehearsal, cutover and post-go-live support.
- Establish clear data readiness criteria, ensuring migrations are validated, reconciled and approved ahead of cutover.
- Act as the primary escalation point for data migration, managing risks, issues and trade-offs across client and internal stakeholders.
- Drive data mapping, transformation and validation activities, ensuring consistency and accuracy across systems.
- Lead cutover planning and execution, including rehearsal cycles, validation processes and rollback strategies.
- Embed strong governance practices, including RAID management, reporting and auditability across all migration activities.
- Build trusted relationships with clients, acting as a credible advisor on migration strategy, constraints and delivery approach.
- Develop reusable migration capabilities and standardised practices to support multiple client programmes over time.
WE LOOK FOR PEOPLE WITH
- Proven experience leading end-to-end data migration programmes within banking or building society environments.
- At least five years’ experience operating in a senior or lead capacity across migration and cutover workstreams.
- Strong hands-on experience with data mapping, transformation, validation and migration processes.
- Deep understanding of large-scale transformation programmes and the challenges associated with data migration delivery.
- Experience working in regulated financial services environments, with awareness of risk, governance and compliance requirements.
You demonstrate strong analytical rigour, attention to detail and a structured approach to problem solving. You are confident managing complex stakeholder environments, challenging constructively and making clear, pragmatic decisions under pressure. You focus on outcomes, build trust quickly and bring a disciplined, delivery-focused mindset to complex programmes.
OUR CULTURE AND VALUES
Our culture and values align with our mission to truly understand and offer exceptional service to our clients.
The Monument Technology team is passionate about building more than a bank and more than a technology platform. We are driven to create solutions that respect our clients’ time, complexity and ambition.
We are guided by integrity, attentiveness, a sense of community and innovation. We build trusted relationships through collaboration, attention to detail and a commitment to continuous improvement. Through inclusive thinking and purposeful innovation, we enable our clients and colleagues to achieve more.