Data Analyst - Enterprise Reporting and Analytics

PwC South Africa; Johannesburg; On-site; ZAR 600,000 - 900,000; Full time

Job summary

PwC South Africa in Johannesburg seeks a data analytics professional to design, develop, and maintain enterprise reports and dashboards using Power BI and Databricks. You will translate business requirements into rigorous KPIs and scalable analytics, building semantic models and complex SQL queries to support decision-making.

Collaborate with Data Engineers and stakeholders to ensure data quality, governance, and modernisation of reporting solutions across the data platform.

Qualifications

• 3+ years of experience in data analytics, BI, or related role.

Responsibilities

• Design, develop, and maintain enterprise reports, dashboards, and analytical solutions.
• Translate business requirements and reporting needs into effective analytical solutions.
• Develop reporting solutions using Microsoft Power BI and associated technologies.
• Develop reusable reporting datasets and semantic models.
• Define and implement KPIs, metrics, calculations, and business rules.
• Ensure reports are accurate, performant, user-friendly, and aligned with enterprise reporting standards.
• Support modernisation of existing reporting solutions as part of the data platform transformation.
• Analyse complex datasets to identify trends, patterns, anomalies, and insights.
• Develop complex SQL queries to extract, transform, validate, and analyse data.
• Work with Databricks Lakehouse environment; understand Bronze/Silver/Gold layers.

Tools

Power BI

Databricks

SQL

Delta Lake

Python

Git

Job description

• Design, develop, and maintain enterprise reports, dashboards, and analytical solutions.
• Translate business requirements and reporting needs into effective analytical solutions.
• Develop reporting solutions using Microsoft Power BI and associated technologies.
• Develop reusable reporting datasets and semantic models.
• Define and implement appropriate KPIs, metrics, calculations, and business rules.
• Ensure reports are accurate, performant, user-friendly, and aligned with enterprise reporting standards.
• Support the rationalisation and modernisation of existing reporting solutions as part of the organisation's data platform transformation.

Data Analysis & SQL:

• Analyse complex datasets to identify trends, patterns, anomalies, and business insights.
• Develop complex SQL queries to extract, transform, validate, and analyse data.
• Perform data profiling, reconciliation, and validation across source and target systems.
• Investigate data quality issues and collaborate with Data Engineers to identify and resolve root causes.
• Develop analytical datasets required to support enterprise reporting and decision-making.
• Ensure analytical outputs are based on well-understood and appropriately governed data.

Databricks & Lakehouse Analytics:

• Work with curated data within the organisation's Databricks Lakehouse environment.
• Develop a practical understanding of the Lakehouse architecture and the role of Bronze, Silver, and Gold data layers.
• Consume and analyse data stored in Delta Lake and other supported data formats.
• Collaborate with Data Engineers to define data requirements for reporting and analytics.
• Participate in the migration of legacy reporting solutions onto the modern data platform.
• Help identify opportunities to improve reporting performance, scalability, and data reuse through the Databricks platform.
• Develop an understanding of data lineage and how data flows from source systems through the Lakehouse to enterprise reporting.
• Design and maintain analytical data models suitable for enterprise reporting.
• Apply dimensional modelling principles, including fact and dimension tables.
• Understand and apply concepts such as star schemas, Slowly Changing Dimensions, surrogate keys, measures and dimensions, granularity, hierarchies, and conformed dimensions.
• Work with Data Engineers to ensure reporting datasets are appropriately structured for analytical workloads.
• Contribute to the development of reusable enterprise data models and reporting datasets.

Data Quality, Governance & Controls:

• Perform data validation and reconciliation to ensure reporting accuracy.
• Identify and document data quality issues.
• Work with Data Engineering and other technology teams to resolve data issues.
• Ensure reports and analytical datasets comply with established data governance and reporting standards.
• Maintain clear documentation of business definitions, calculations, data sources, and reporting logic.
• Contribute to enterprise data definitions and KPI standards.
• Support appropriate data access, security, privacy, and governance practices.
• Engage with business stakeholders to understand reporting requirements and analytical needs.
• Facilitate requirements-gathering sessions and translate business requirements into technical and analytical specifications.
• Challenge requirements where appropriate and identify opportunities to improve existing reporting processes.
• Communicate analytical findings clearly to both technical and non-technical stakeholders.
• Support user acceptance testing and obtain stakeholder sign-off on reporting solutions.
• Provide guidance to stakeholders on appropriate use and interpretation of enterprise data.

Reporting Migration & Modernisation:

• Participate in the migration of existing legacy reports and analytical solutions to the modern data platform.
• Assess existing reports to determine business value, usage, dependencies, and migration requirements.
• Identify opportunities to consolidate duplicate reports and datasets.
• Rebuild legacy reporting solutions using modern data and BI capabilities.
• Validate migrated reports against existing production outputs and source systems.
• Support the transition from legacy reporting architectures towards a governed enterprise reporting model.

Desired Skills and Experience:

• 3+ years of experience in data analytics, business intelligence, reporting, or a related analytical role.
• Strong SQL skills, including complex joins, CTEs, window functions, aggregations, subqueries, data transformation, and data validation/reconciliation.
• Strong experience with Microsoft Power BI.
• Experience developing enterprise dashboards and reports.
• Experience developing or consuming Power BI semantic models/datasets.
• Strong understanding of data modelling and dimensional modelling.
• Experience gathering and documenting business and reporting requirements.
• Experience delivering reporting solutions from requirements through to implementation.
• Experience working with large and/or complex datasets.
• Strong data analysis and problem-solving capabilities.
• Experience performing data quality checks and reconciliation.
• Ability to work effectively with Data Engineers, business stakeholders, and technology teams.
• Relevant Azure or Databricks certification

Preferred:

• 3+ years of relevant experience in data analytics, BI, reporting or a related field.
• Experience with Databricks.
• Experience working with Delta Lake.
• Understanding of Lakehouse architecture.
• Experience with Azure-based data platforms and Azure Data Lake Storage.
• Experience with modern data warehousing or cloud data platforms.
• Experience with Python or PySpark for data analysis.
• Familiarity with Git and modern software development practices.
• Experience with enterprise data governance and data lineage.
• Experience migrating legacy reporting platforms to modern BI/data platforms.