Data Specialist

Data Workstream Lead (Charity Sector)

Location: Poole (1 day a week for 1 month then more flexibility)

Contract: 6 month contract

Sector: Charity / Not-for-Profit

Day Rate: £550 - £600 per day Outside IR35

Company Overview

La Fosse is working with a well-established charity organisation undergoing a major digital and ERP transformation. With a mission-driven culture, they are investing in modern data capabilities and systems to better support the communities they serve. This role offers the chance to make a real impact at a pivotal point in their digital journey.

Role Overview

La Fosse is supporting the search for a Data Workstream Lead to own and drive all data-related delivery across a large-scale ERP transformation. This role will lead the design, migration, governance, and operationalisation ofdata, working across platforms such as Workday or Dynamics 365 (D365) and Databricks.

The role acts as a critical interface between data engineering teams, ERP vendors, and business stakeholders - ensuring data is accurate, governed, trusted, and fit for both operational and analytical use. It is ideally suited to candidates with a strong data engineering or technical background who have progressed into programme or transformation roles.

Key Responsibilities

• Lead the data workstream across the full ERP transformation lifecycle, from discovery through post-go-live stabilisation.
• Own end-to-end data migration, including source-to-target mapping, profiling, cleansing, transformation logic, validation, reconciliation, and cutover planning.
• Define and deliver data architecture and migration approaches aligned to ERP and analytics platforms.
• Work closely with data engineering teams leveraging Databricks (notebooks, Delta Lake, pipelines) to build scalable ingestion, transformation, and validation processes.
• Translate business and operational requirements into clear data models, datasets, and reporting outputs.
• Establish and embed data governance, documentation, lineage, quality controls, and auditability across ERP data domains.
• Act as the data SME for ERP data structures, integrations, reporting, and downstream analytics consumption.
• Manage risks, dependencies, timelines, and quality metrics for all data deliverables within the wider programme.

Candidate Profile

Essential:

• Experience within the charity, public sector
• Strong, hands-on experience with Databricks, including pipelines, notebooks, and Delta tables.
• Background in data engineering, analytics engineering, or technology, with experience operating in business-facing or transformation leadership roles.
• Deep understanding of data migration strategies, data quality frameworks, governance models, and end-to-end data lifecycle management.
• Ability to communicate complex data concepts clearly to senior, non-technical stakeholders.