Senior Data Engineer BigQuery (GCP/SAP Data) (m/f/d)

About the Role

Halian | Managed Services, Recruitment Agency & Contract Staffing is seeking a Senior Data Engineer BigQuery (GCP/SAP Data) for a contract position in Al Khobar, Eastern Province. This role supports a major enterprise cloud data transformation project focused on migrating critical Finance and HR reporting workloads from SAP BW on HANA to Google BigQuery.

Role Responsibilities

The Senior Data Engineer will take ownership of the data engineering layer, including SAP S/4HANA ingestion, migration of SAP BW transformation logic, BigQuery data modelling, pipeline orchestration, security, data quality, performance optimization, and reconciliation. The role also involves supporting the creation of high-quality, AI-ready datasets for advanced analytics, conversational analytics, and predictive use cases.

• Analyze existing SAP BW data flows (DataSources, DSOs, InfoCubes, transformations, ABAP routines, APDs) and rebuild transformation logic using BigQuery SQL.
• Ingest and integrate data from SAP S/4HANA, SAP ECC, and/or SAP BW into Google Cloud-based data platforms.
• Design scalable BigQuery data models utilizing raw, curated, and reporting layers.
• Build complex data structures including hierarchies, time-dependent master data, dimensional models, and star schemas.
• Develop, orchestrate, and monitor data pipelines using Cloud Composer / Apache Airflow, including automated alerting for failures.
• Implement data security within BigQuery, covering row-level security (RLS), column-level security (CLS), authorized views, role-based access, and PII masking.
• Optimize BigQuery workloads for performance and cost through partitioning, clustering, query optimization, and efficient data modelling.
• Build automated data-quality controls and reconciliation processes to validate migrated datasets against existing SAP BW reporting.
• Produce and maintain data lineage, transformation documentation, and source-to-target mappings.
• Prepare governed AI-ready datasets for conversational analytics, predictive use cases, and downstream AI applications.
• Support downstream reporting and analytics solutions developed using Looker or custom web applications.
• Collaborate with business, Finance, HR, SAP, cloud, analytics, and reporting teams to validate business logic and data accuracy.

Candidate Qualifications

Candidates should have 5-10 years of relevant experience and demonstrate a strong focus on data accuracy, reconciliation, and quality. The role requires the ability to work effectively with various teams and manage technical deliverables independently.

• Structured and detail-oriented approach to data accuracy, reconciliation, and quality.
• Ability to work directly with SAP functional teams, business stakeholders, data engineers, and analytics teams to understand and reproduce complex transformation logic.
• Capable of independently owning technical deliverables and working effectively against tight project timelines.
• Strong communication and documentation skills, particularly for data mappings, transformation rules, lineage, and validation.

Application Process

Further details regarding the salary for this contract position will be disclosed during the application process.