Technical Assurance Engineer - Data Migration QA (Hybrid)

Experis UK; Telford; Hybrid; GBP 87,000 - 114,000; Full time

Job summary

Experis is seeking an experienced Technical Assurance Engineer for a 6-month contract in Telford. The role focuses on assuring discovery outputs for a large data migration and DWIT programme, with AI-assisted analysis and human review to ensure complete, accurate, and traceable legacy data representations.

The successful candidate will work with data engineers, architects and SMEs to define QA standards, oversee governance of artefacts, and validate completeness across the backlog, ensuring

Qualifications

• Defined and implemented technical assurance or QA strategies within large-scale data migration/transformation programmes.
• Strong understanding of data warehousing concepts: ETL/ELT, mappings, lineage, schemas and interfaces.
• Experience assuring documentation against implementation evidence for accuracy and completeness.
• Practical experience using AI-assisted approaches for engineering, analysis or QA.
• Ability to define measurable quality criteria, sampling approaches and acceptance thresholds.
• Experience with legacy ETL/ELT tooling (Informatica, Pentaho, Oracle PL/SQL, COBOL, SAP Data Services) advantageous.

Responsibilities

• Establish quality standards, validation criteria and acceptance thresholds for all documentation artefacts (mappings, transformations, lineage, specifications).
• Implement QA best practices for legacy feeds aligned to project strategy.
• Design and oversee QA processes to verify AI analysis outputs reflect legacy system behaviour, including AI checks and manual reviews.
• Ensure AI-enabled tooling outputs are consistent, accurate and contextually valid.
• Validate completeness and traceability across artefacts and link outputs to source code and logic.
• Identify and manage quality risks, gaps and inconsistencies across backlog with SMEs and team.
• Collaborate with SMEs, data engineers and leads to define assurance approaches for complex transformations and edge cases.
• Oversee governance of artefact repositories and version control practices.
• Lead quality reviews, audits and walkthroughs with stakeholders before handoff to migration teams.

Skills

QA strategy

Data warehousing

ETL/ELT

AI-assisted QA

Quality criteria

Traceability

Cross-team collaboration

Tools

Informatica PowerCenter

Pentaho Data Integration

Oracle PL/SQL

Shell scripting

COBOL

SAP Data Services

Job description

Experis is seeking an experienced Technical Assurance Engineer for a 6-month contract in Telford. The role focuses on assuring discovery outputs for a large data migration and DWIT programme, with AI-assisted analysis and human review to ensure complete, accurate, and traceable legacy data representations.

The successful candidate will work with data engineers, architects and SMEs to define QA standards, oversee governance of artefacts, and validate completeness across the backlog, ensuring