BI Analyst

1 week ago

Johannesburg, Gauteng, South Africa IOCO Full time R600 000 - R1 200 000 per year

We are looking for an experienced BI Analyst / BI Developer. The role will focus on designing data models, developing Power BI dashboards, and ensuring data accuracy to support decision-making across operations, finance, and cash logistics. The successful candidate will act as a bridge between business and technical teams, translating requirements into actionable BI solutions. Strong expertise in Power BI, DAX, SQL, and data modelling is essential, with experience in ETL/ELT pipelines and performance optimization. This is an opportunity to make a measurable impact by enabling self-service insights and reliable analytics for stakeholders across Southern Africa.

What you'll do:

  • Gather and translate business stakeholder requirements into technical specifications
  • Design and build data models (star schema, dimension/fact tables) tailored for data flows
  • Develop and optimize Power BI datasets, reports, visualizations, and dashboards
  • Write DAX measures, custom calculations, time intelligence, filters, etc.
  • Use Power Query / M to perform data transformations, cleaning, shaping
  • Work with data pipelines / ETL (or ELT) tools to integrate data into the BI layer
  • Ensure data quality, validity, consistency across sources (e.g. reconcile transactional sources, validate totals)
  • Optimize performance (refresh times, query optimization, indexing, partitioning strategies)
  • Set up relationships, hierarchies, manage granularity, and ensure proper model relationships
  • Document data models, business rules, data lineage, glossaries, definitions
  • Assist business users with ad hoc reporting and dashboard interpretation
  • Participate in testing (unit, integration, UAT)
  • Assist in embedding BI governance, versioning, deployment pipelines
  • Monitor and troubleshoot BI environment issues (refresh failures, performance bottlenecks)
  • Collaborate with IT, DBAs, data engineers, and other stakeholders to ensure architecture alignment

Your Expertise:

  • 3–6 years of experience in BI / analytics / data roles
  • Strong Power BI development experience (datasets, dashboards, reports)
  • Expertise in data modelling: dimensional modelling, relational modelling
  • Proficiency in DAX (calculations, time intelligence, filtering)
  • Experience with Power Query / M for ETL / transformations
  • Strong SQL skills, ability to write complex queries, joins, window functions
  • Experience with ETL/ELT tools and data pipelines
  • Understanding of data warehousing and BI architecture
  • Performance tuning and optimization of large models
  • Experience with data quality, validation, reconciliation
  • Good communication skills—able to engage with business and technical users
  • Experience with version control, CI/CD for BI deployments
  • Familiarity with Azure / AWS data services (Synapse, Data Factory, Databricks)
  • Familiarity with other BI tools (e.g. Paginated Reports, Tableau, etc.)
  • Experience implementing Row-Level Security (RLS) in Power BI
  • Exposure to advanced analytics / forecasting
  • Experience in financial, operations, or logistics domain
  • Microsoft Power BI / Data certifications
  • Experience in cash management, banking or similar domains

Qualifications:

  • Bachelor's degree (Computer Science, Information Systems, Engineering, or related) or equivalent

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