Data Engineer (Senior-Level)

iOCO Pty Ltd; Cape Town; On-site; ZAR 600 000 - 800 000; Full time

Job summary

A leading technology firm is seeking a Senior Data Engineer to lead the design, integration, and optimization of complex data systems. You will work closely with stakeholders to ensure high-performing data architectures that meet business needs. A successful candidate will have a minimum of 5 years' experience and expertise in data modeling and ETL workflows, along with a relevant qualification. This role offers an opportunity to shape scalable data solutions in a collaborative environment.

Qualifications

• Minimum of 5 years' experience as a Data Engineer.
• Expertise in data modeling, ETL/ELT workflows, and complex data architectures.
• Strong experience in data integration and optimization.

Responsibilities

• Design logical and physical data models to support applications.
• Implement data integration processes including ETL and ELT workflows.
• Design and manage complex data pipelines and architectures.

Skills

Data modeling

ETL workflows

Data integration

Data architecture

Collaboration skills

Analytical skills

Problem-solving skills

Education

NQF Level 6 qualification in ICT

Cloud certification (Azure, AWS, Google Cloud)

Job description

At iOCO, we design and maintain robust data infrastructure that powers intelligent business solutions. We are seeking a Senior Data Engineer to lead the design, integration, and optimization of complex data systems and pipelines. You will work closely with stakeholders to ensure scalable, high-performing data architectures that meet business requirements.

What You’ll do:

• Data Modelling
  • Design logical and physical data models to support applications and analytics.
  • Ensure data models meet business requirements and are optimized for performance and scalability.
• Data Integration
  • Design and implement data integration processes, including ETL (Extract, Transform, Load) and ELT (Extract, Load, Transform) workflows.
  • Ensure seamless integration of data from various internal and external sources.
• Data Architecture
  • Design and manage complex data pipelines and architectures.
  • Optimize data storage solutions for scalability, performance, and reliability.
  • Collaborate with stakeholders to align data infrastructure with business needs.

Your Expertise:

• Minimum of 5 years’ experience as a Data Engineer.
• Expertise in data modelling, ETL/ELT workflows, and complex data architectures.
• Strong experience in data integration and optimization for scalability and performance.
• Excellent collaboration, analytical, and problem‑solving skills.
• Ability to translate business requirements into technical solutions.

Qualifications:

• NQF Level 6 or higher tertiary qualification in Information Communication Technology (ICT), Information Systems, Computer Science, or a related field.
• Cloud certification (Azure, AWS, or Google Cloud) advantageous.