Data Engineer (SQL Server / SSIS) - 3 Month Initial Contract - Remote / CardiffVIQU have partnered with an NHS organisation to recruit a hands-on Data Engineer to support critical data integration and ETL workloads across a Microsoft-based environment.This Data Engineer role is focused on stabilising, improving and enhancing existing data pipelines, alongside supporting ongoing modernisation and cloud migration activities.The RoleThe successful Data Engineer will play a key role in ensuring the reliability and performance of existing ETL processes, working across a hybrid on-premise and Azure-based data platform.Key responsibilities include:Testing, troubleshooting and supporting existing ETL and data ingestion processesInvestigating and resolving data issues, failures and performance bottlenecksEnhancing and optimising existing SSIS packages and SQL-based integrationsDeveloping new ingestion pipelines and transformation logic where requiredPerforming data validation, reconciliation and quality assurance activitiesSupporting wider data platform modernisation and Azure migration initiativesCollaborating with analytics and reporting teams to ensure downstream data reliabilityKey Skills and ExperienceStrong hands-on experience with SQL Server (on-premise) and SSISAdvanced T-SQL development and debugging skillsProven experience working on ETL pipelines, particularly testing and troubleshootingExperience enhancing existing integrations rather than just building from scratchStrong