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Data Migration Specialist | 6-Month Contract | Start date - early October start

£48,559 per annum | 6-month contract | Mostly Remote | 1 day per month in office | ASAP start

We're working with a leading UK not-for-profit organisation that is undertaking a major Data, Digital and Technology Transformation Programme. As part of this programme, they are looking for an experienced Data Migration Specialist to join the team on a 6-month contract, providing parental leave cover for a key technical role.

This is an excellent opportunity for a hands-on data migration professional to play a central role in a significant CRM transformation, helping ensure that data is accurately extracted, cleansed, transformed and successfully migrated into a new CRM environment.

The role

You'll act as a key technical contact for data migration activities throughout the contract, working closely with internal teams, external partners and technical stakeholders.

Your responsibilities will include:

• Extracting data from legacy systems using SQL and agreed extraction procedures.

• Analysing source data to identify quality issues, anomalies, gaps and inconsistencies.

• Cleansing, standardising and transforming data in line with approved business rules and mapping specifications.

• Designing and maintaining data mappings, migration documentation, procedures and technical runbooks.

• Creating and maintaining datasets for migration, testing, reconciliation and validation.

• Delivering migration activities across development, test and production environments.

• Supporting the design and execution of migration cutover activities.

• Investigating and categorising data quality issues and ensuring appropriate resolution.

• Reviewing extraction approaches, transformation logic and migration outputs.

• Providing technical guidance and quality assurance to colleagues.

• Tracking and reporting on migration progress, risks, issues and dependencies.

• Acting as a primary technical point of contact for internal and external stakeholders.

What we're looking for

We're particularly interested in candidates with:

• Significant hands-on experience using SQL for complex data extraction and selection.

• Strong knowledge of data migration principles and methodologies.

• Experience working with CRM data, ideally within a non-profit, charity or membership environment.

• Experience designing and implementing complex cross-system data mappings.

• The ability to translate business and data requirements into robust technical data-selection criteria.

• Experience leading or taking ownership of data migration execution.

• Strong understanding of data quality, cleansing, transformation, reconciliation and validation.

• Knowledge of payment processing, particularly Direct Debits and Gift Aid.

Desirable experience

It would be advantageous if you also have:

• Experience working within an Agile delivery environment.

• Experience with Salesforce, particularly Nonprofit Cloud/Agentforce for Nonprofits.

• Knowledge of FinDock and its data model.

• Previous experience within the charity or not-for-profit sector.

• BCS PDMv3 or an equivalent data management/migration qualification.

Contract & working arrangements

Contract: 6 months
Start: Mid-October 2026
Salary: £48,559 per annum equivalent
Working pattern: Mostly remote
Office: Approximately 1 day per month in the office
Availability: Candidates who are immediately available or available to start by mid-October are particularly encouraged to apply.

Why this opportunity?

You'll be joining a high-profile transformation programme at an organisation whose work has a significant soci