Senior Data Platform Engineer

Jonsson Workwear; Durban; On-site; ZAR 900,000 - 1,350,000; Full time

Job summary

Jonsson Workwear in Durban, South Africa, is seeking a Senior Data Platform Engineer to own and optimize our data foundations. You’ll build and streamline data pipelines, improve platform performance, and ensure data is reliable, structured, and accessible for trusted insights across the business.

You’ll work with SSIS, SSAS, and Power BI to design scalable data solutions, applying dimensional modelling and star schemas.

Qualifications

• Experience with Microsoft SQL Server and T-SQL, including performance tuning.

Responsibilities

• Own end-to-end data pipelines using SSIS.

Skills

SQL Server

T-SQL

SSIS

SSAS

Data warehousing

Dimensional modelling

Star schema

Performance tuning

Problem solving

Cross-functional collaboration

Tools

SSMS

Power BI

Tabular models

Job description

Behind every report, dashboard, and business insight sits a reliable data platform. As the business continues to grow across manufacturing, distribution, retail, and digital operations, the need for trusted, high-performing data becomes increasingly important.

We’re looking for a Senior Data Platform Engineer to own and strengthen the data foundations that support decision-making across the business. This role is focused on building and optimising data pipelines, improving platform performance, and ensuring data is structured, reliable, and accessible.

This is an opportunity to play a key role in shaping and optimising the data platform that supports the business, enabling reliable insights and better decision-making across the organisation.

What you’ll be responsible for:

• Owning, modernising, and maintaining end-to-end data pipelines using SQL Server Integration Services (SSIS)
• Optimising SQL Server performance through query tuning, execution plan analysis, and indexing strategies
• Designing, maintaining, and enhancing enterprise tabular models using SQL Server Analysis Services (SSAS) and Power BI
• Applying dimensional modelling best practices to create scalable and efficient data solutions
• Troubleshooting and resolving data pipeline, database, and model refresh issues
• Supporting the reliability, performance, and scalability of the data platform across all environments

What we’re looking for:

• Advanced experience with Microsoft SQL Server and T‑SQL, including performance tuning and execution plan analysis
• Strong hands‑on experience developing and maintaining SSIS packages and workflows
• Proven experience building and optimising SSAS tabular models
• Strong understanding of data warehousing, dimensional modelling, and star‑schema design principles
• Experience diagnosing and resolving database and data platform performance issues
• A structured, analytical approach with strong problem‑solving ability
• Clear communication skills and the ability to work effectively across technical and business teams

In line with Jonsson Workwear’s commitment to employment equity, applications from candidates from designated groups, as well as candidates with disabilities, are encouraged.